119
1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud, Orsay Kay Wiese and Pierre Le Doussal LPT- Ecole Normale Supérieure, Paris Séverine Atis Massachusetts Institute of Technology jeudi 21 août 2014

Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

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Page 1: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

1

Reaction wave propagation in disordered flow

Dominique Salin and Laurent TalonFAST - Université Paris Sud, Orsay

Kay Wiese and Pierre Le DoussalLPT- Ecole Normale Supérieure, Paris

Séverine AtisMassachusetts Institute of Technology

jeudi 21 août 2014

Page 2: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

[Castro et al., 2012]

Vapor atom deposition Clouds

Boulder sky, summer 2011

Growth phenomena and scale invariant structures

Imbibition fronts

coffee stain on paper

jeudi 21 août 2014

Page 3: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

[Castro et al., 2012]

Vapor atom deposition Clouds

Boulder sky, summer 2011

Growth phenomena and scale invariant structures

Imbibition fronts

coffee stain on paper

[Benjacob et al., 1994]

Bacterial colonnies

[Zhang et al., 1992]

Paper combustion

Self-sustained systems

Lychen, New Hampshire

Plants growth

jeudi 21 août 2014

Page 4: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Autocatalytic chemical reaction

Self-organization

Belousov-Zhabotinskyoscillating reaction

reaction wavepropagation

[vidéo S. Morris]

flame front [vidéo FumeFX]

feedback

!"!"#"""""""""$#"!"%model equation:

Growing interfaces

propagation[movie D. Salin]

oscillations[movie S. Morris][movie Fume FX]

jeudi 21 août 2014

Page 5: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Autocatalytic chemical reaction

Self-organization

Belousov-Zhabotinskyoscillating reaction

reaction wavepropagation

[vidéo S. Morris]

flame front [vidéo FumeFX]

feedback

!"!"#"""""""""$#"!"%model equation:

Growing interfaces

propagation[movie D. Salin]

oscillations[movie S. Morris][movie Fume FX]

jeudi 21 août 2014

Page 6: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Autocatalytic chemical reaction

Self-organization

Belousov-Zhabotinskyoscillating reaction

reaction wavepropagation

[vidéo S. Morris]

flame front [vidéo FumeFX]

feedback

!"!"#"""""""""$#"!"%model equation:

Growing interfaces

propagation[movie D. Salin]

oscillations[movie S. Morris][movie Fume FX]

jeudi 21 août 2014

Page 7: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Autocatalytic chemical reaction

Self-organization

Belousov-Zhabotinskyoscillating reaction

reaction wavepropagation

[vidéo S. Morris]

flame front [vidéo FumeFX]

feedback

!"!"#"""""""""$#"!"%model equation:

Growing interfaces

propagation[movie D. Salin]

oscillations[movie S. Morris][movie Fume FX]

jeudi 21 août 2014

Page 8: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Reaction Diffusion equation

reaction term

diffusion term

u = [B ]

nonlinearityautocatalytic process

AAAA

A

AABAA

A

ABB

B

BBBBB

A

4

jeudi 21 août 2014

Page 9: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Reaction Diffusion equation

reaction term

diffusion term

u = [B ]

nonlinearityautocatalytic process

AAAA

A

AABAA

A

ABB

B

BBBBB

A

4

jeudi 21 août 2014

Page 10: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Reaction Diffusion equation

reaction term

diffusion term

u = [B ]

nonlinearityautocatalytic process

AAAA

A

AABAA

A

ABB

B

BBBBB

A

4

jeudi 21 août 2014

Page 11: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Reaction Diffusion equation

reaction term

diffusion term

u = [B ]

nonlinearityautocatalytic process

AAAA

A

AABAA

A

ABB

B

BBBBB

A

4

jeudi 21 août 2014

Page 12: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Fisher-Kolmogorov equation (FKPP model) [Kolomogorov et al. 1937, R. A. Fisher 1937]

Progressive wave solutions

FKPP

x

u(t) c

t t

50jeudi 21 août 2014

Page 13: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Fisher-Kolmogorov equation (FKPP model) [Kolomogorov et al. 1937, R. A. Fisher 1937]

Progressive wave solutions

FKPP

x

u(t) c

t t

50jeudi 21 août 2014

Page 14: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Fisher-Kolmogorov equation (FKPP model) [Kolomogorov et al. 1937, R. A. Fisher 1937]

Progressive wave solutions

FKPP

x

u(t) c

t t

50jeudi 21 août 2014

Page 15: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Fisher-Kolmogorov equation (FKPP model) [Kolomogorov et al. 1937, R. A. Fisher 1937]

Progressive wave solutions

FKPP

x

u(t) c

t t

50jeudi 21 août 2014

Page 16: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

PLAN

2 - Front dynamics in high flow strength

3 - Pinning process in low flow strength

4 - Transcient dynamics and universality

5 - Conclusion and perpectives

1 - Experimental setup

jeudi 21 août 2014

Page 17: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

PLAN

1 - Experimental setup

2 - Front dynamics in high flow strength

3 - Pinning process in low flow strength

4 - Transcient dynamics and universality

5 - Conclusion and perpectives

jeudi 21 août 2014

Page 18: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

50

Iodate acid arseneous reaction (IAA)

3rd order chemical kinetics

: autocatalists concentration: reaction rate

!

1 - Experimental setup

jeudi 21 août 2014

Page 19: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

50

Stationary solution

resulting from the balance between diffusion and reaction

reaction front velocity andthickness remain constant

concentration profile of the front

X

{

1 - Experimental setup

jeudi 21 août 2014

Page 20: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

1 - Experimental setup

camera

tank

light panel

l

L

injectors

Spatially disordered flow

flow through a granular medium

1.5 mm and 2 mm diameter glass beads

jeudi 21 août 2014

Page 21: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

1 - Experimental setup

camera

tank

light panel

l

L

injectors

Spatially disordered flow

flow through a granular medium

1.5 mm and 2 mm diameter glass beads

jeudi 21 août 2014

Page 22: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

1 - Experimental setup

camera

tank

light panel

l

L

injectors

Spatially disordered flow

flow through a granular medium

heterogeneous flow field

1.5 mm and 2 mm diameter glass beads

jeudi 21 août 2014

Page 23: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

1 - Experimental setup

0 20 40 60x (mm)

h (x

,t) (m

m)

Reaction front propagationwithout disordered flow

jeudi 21 août 2014

Page 24: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

measurements of the local flow velocity

1 - Experimental setup

Tracers dispersion experiments:

jeudi 21 août 2014

Page 25: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

measurements of the local flow velocity

1 - Experimental setup

Tracers dispersion experiments:

jeudi 21 août 2014

Page 26: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

measurements of the local flow velocity

1 - Experimental setup

Tracers dispersion experiments:Fluctuations correlation length:

jeudi 21 août 2014

Page 27: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

measurements of the local flow velocity

1 - Experimental setup

Tracers dispersion experiments:Fluctuations correlation length:

PDF of the local flowvelocity fluctuations

[Lebond & al. 1997]

jeudi 21 août 2014

Page 28: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

PLAN

1 - Experimental

2 - Front dynamics in high flow strength

3 - Pinning process in low flow strength

4 - Transcient dynamics and universality

5 - Conclusion and perpectives

jeudi 21 août 2014

Page 29: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

U U

Supportive flow Adverse flow

Soutenance de thèse, 1er Octobre 2013Séverine Atis Partie 1 1 / 131 / 1516 / 50jeudi 21 août 2014

Page 30: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

U U

Supportive flow Adverse flow

Soutenance de thèse, 1er Octobre 2013Séverine Atis Partie 1 1 / 131 / 1516 / 50jeudi 21 août 2014

Page 31: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

U U

Supportive flow Adverse flow

Soutenance de thèse, 1er Octobre 2013Séverine Atis Partie 1 1 / 131 / 1516 / 50jeudi 21 août 2014

Page 32: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Partie 2 33 / 50

2 - Front dynamics in high flow strength

x (mm)

h (x

,t) (m

m)

10 20 30 40 50 60 70

5

10

15

20

25

30

35

40

45

50

55

60

Front height spatiotemporal fluctuations measurements

jeudi 21 août 2014

Page 33: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Partie 2 33 / 50

2 - Front dynamics in high flow strength

x (mm)

h (x

,t) (m

m)

10 20 30 40 50 60 70

5

10

15

20

25

30

35

40

45

50

55

60

Front height spatiotemporal fluctuations measurements

jeudi 21 août 2014

Page 34: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Partie 2 33 / 50

2 - Front dynamics in high flow strength

0 10 20 30 40 50 60 7070

75

80

85

90

x (mm)

h (m

m)

x (mm)

h (x

,t) (m

m)

10 20 30 40 50 60 70

5

10

15

20

25

30

35

40

45

50

55

60

Front height spatiotemporal fluctuations measurements

jeudi 21 août 2014

Page 35: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Partie 2 33 / 50

2 - Front dynamics in high flow strength

0 10 20 30 40 50 60 7070

75

80

85

90

x (mm)

h (m

m)

x (mm)

h (x

,t) (m

m)

10 20 30 40 50 60 70

5

10

15

20

25

30

35

40

45

50

55

60

Front height spatiotemporal fluctuations measurements

jeudi 21 août 2014

Page 36: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Partie 2 33 / 50

2 - Front dynamics in high flow strength

0 10 20 30 40 50 60 7070

75

80

85

90

x (mm)

h (m

m)

1000 1500 2000 2500 3000 3500 4000 4500 5000

0

1

2

3

t (s)

x (mm)

h (x

,t) (m

m)

10 20 30 40 50 60 70

5

10

15

20

25

30

35

40

45

50

55

60

Front height spatiotemporal fluctuations measurements

jeudi 21 août 2014

Page 37: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Roughness

2 - Front dynamics in high flow strength

jeudi 21 août 2014

Page 38: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Roughness

power law:

2 - Front dynamics in high flow strength

jeudi 21 août 2014

Page 39: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Roughness

power law:

10-1

100

101

w(

x, t)

(mm

)

100 101 10210-1

x (mm)

U = 4.64

U > 00

20

40

60

80

100

0 20 40 60

h (x

,t) (m

m)

x (mm)

2 - Front dynamics in high flow strength

jeudi 21 août 2014

Page 40: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Roughness

power law:

100 101 102

10-1

x (mm)10-1

100

101

w(

x, t)

(mm

)

U = - 7.14

0

20

40

60

80

100

0 20 40 60 80

h (x

,t) (m

m)

x (mm)

U < 0

10-1

100

101

w(

x, t)

(mm

)

100 101 10210-1

x (mm)

U = 4.64

U > 00

20

40

60

80

100

0 20 40 60

h (x

,t) (m

m)

x (mm)

2 - Front dynamics in high flow strength

jeudi 21 août 2014

Page 41: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Temporal fluctuations

2 - Front dynamics in high flow strength

jeudi 21 août 2014

Page 42: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Temporal fluctuations

power law:

2 - Front dynamics in high flow strength

jeudi 21 août 2014

Page 43: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Temporal fluctuations

power law:

U > 00

20

40

60

80

100

0 20 40 60

h (x

,t) (m

m)

x (mm)

10-1

100

101

w(x

, t)

(mm

)

(s)101 102 103100

U = 4.64

2 - Front dynamics in high flow strength

jeudi 21 août 2014

Page 44: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Temporal fluctuations

power law:

U > 00

20

40

60

80

100

0 20 40 60

h (x

,t) (m

m)

x (mm)

10-1

100

101

w(x

, t)

(mm

)

(s)101 102 103100

U = 4.64

0

20

40

60

80

100

0 20 40 60 80

h (x

,t) (m

m)

x (mm)

U < 0

(s)101 102 10310010-1

100

101

w(x

, )(

mm

)

2 - Front dynamics in high flow strength

jeudi 21 août 2014

Page 45: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Huergo et al.2010 Yunker et al.2013Takeuchi et al.2011

Theory Kardar-Parisi-Zhang (KPZ) model:

Nonlinear continum growth equation

[Kardar & al. 1986]

2 - Front dynamics in high flow strength

jeudi 21 août 2014

Page 46: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Huergo et al.2010 Yunker et al.2013Takeuchi et al.2011

Theory Kardar-Parisi-Zhang (KPZ) model:

Nonlinear continum growth equation

[Kardar & al. 1986]KPZ et etQKPZandPredicted exponents:

2 - Front dynamics in high flow strength

jeudi 21 août 2014

Page 47: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Huergo et al.2010 Yunker et al.2013Takeuchi et al.2011

Theory Kardar-Parisi-Zhang (KPZ) model:

Nonlinear continum growth equation

[Kardar & al. 1986]KPZ et etQKPZandPredicted exponents:

2 - Front dynamics in high flow strength

jeudi 21 août 2014

Page 48: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

+ F

U

U sin

dans la limite :

with

Eikonal approximation

Small gradients limite

KPZ equation :

Advection - Reaction - Diffusion equation in thin front limit

jeudi 21 août 2014

Page 49: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

+ F

U

U sin

dans la limite :

with

Eikonal approximation

Small gradients limite

KPZ equation :

Advection - Reaction - Diffusion equation in thin front limit

jeudi 21 août 2014

Page 50: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

+ F

U

U sin

dans la limite :

with

Eikonal approximation

Small gradients limite

KPZ equation :

Advection - Reaction - Diffusion equation in thin front limit

jeudi 21 août 2014

Page 51: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

+ F

U

U sin

dans la limite :

with

Eikonal approximation

Small gradients limite

KPZ equation :

Advection - Reaction - Diffusion equation in thin front limit

jeudi 21 août 2014

Page 52: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

+ F

U

U sin

dans la limite :

with

Eikonal approximation

Small gradients limite

KPZ equation :

Advection - Reaction - Diffusion equation in thin front limit

jeudi 21 août 2014

Page 53: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

+ F

U

U sin

dans la limite :

with

Eikonal approximation

Small gradients limite

KPZ equation :

Advection - Reaction - Diffusion equation in thin front limit

jeudi 21 août 2014

Page 54: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

+ F

U

U sin

dans la limite :

with

Eikonal approximation

Small gradients limite

KPZ equation :

Advection - Reaction - Diffusion equation in thin front limit

jeudi 21 août 2014

Page 55: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

+ F

U

U sin

dans la limite :

with

Eikonal approximation

Small gradients limite

KPZ equation :

Advection - Reaction - Diffusion equation in thin front limit

jeudi 21 août 2014

Page 56: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

+ F

U

U sin

dans la limite :

with

Eikonal approximation

Small gradients limite

KPZ equation :

Advection - Reaction - Diffusion equation in thin front limit

jeudi 21 août 2014

Page 57: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

+ F

U

U sin

dans la limite :

with

Eikonal approximation

Small gradients limite

KPZ equation :

Advection - Reaction - Diffusion equation in thin front limit

jeudi 21 août 2014

Page 58: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

+ F

U

U sin

dans la limite :

with

Eikonal approximation

Small gradients limite

KPZ equation :

Advection - Reaction - Diffusion equation in thin front limit

jeudi 21 août 2014

Page 59: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

PLAN

1 - Experimental

2 - Front dynamics in high flow strength

3 - Pinning process in low flow strength

4 - Transcient dynamics and universality

5 - Conclusion and perpectives

jeudi 21 août 2014

Page 60: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

U

upwardAdverse flow

jeudi 21 août 2014

Page 61: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

U

upwardAdverse flow

jeudi 21 août 2014

Page 62: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

U

Adverse flow

backward

jeudi 21 août 2014

Page 63: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

U

Adverse flow

backward

jeudi 21 août 2014

Page 64: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

!8 !6 !4 !2 0 2 4!4

!2

0

2

4

6

V f

U

3 - Pinning process in low flow strength

jeudi 21 août 2014

Page 65: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

!8 !6 !4 !2 0 2 4!4

!2

0

2

4

6

V f

U

3 - Pinning process in low flow strength

jeudi 21 août 2014

Page 66: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

!8 !6 !4 !2 0 2 4!4

!2

0

2

4

6

V f

U

3 - Pinning process in low flow strength

jeudi 21 août 2014

Page 67: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

!8 !6 !4 !2 0 2 4!4

!2

0

2

4

6

V f

U

3 - Pinning process in low flow strength

jeudi 21 août 2014

Page 68: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

!8 !6 !4 !2 0 2 4!4

!2

0

2

4

6

V f

U

3 - Pinning process in low flow strength

jeudi 21 août 2014

Page 69: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

!8 !6 !4 !2 0 2 4!4

!2

0

2

4

6

V f

U

3 - Pinning process in low flow strength

jeudi 21 août 2014

Page 70: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

!8 !6 !4 !2 0 2 4!4

!2

0

2

4

6

V f

U

3 - Pinning process in low flow strength

jeudi 21 août 2014

Page 71: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

!8 !6 !4 !2 0 2 4!4

!2

0

2

4

6

V f

U

3 - Pinning process in low flow strength

jeudi 21 août 2014

Page 72: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

!6 !5 !4 !3 !2 !1 0!3

!2.5

!2

!1.5

!1

!0.5

0

0.5

1

V f

U

jeudi 21 août 2014

Page 73: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

!6 !5 !4 !3 !2 !1 0!3

!2.5

!2

!1.5

!1

!0.5

0

0.5

1

V f

U!6 !5 !4 !3 !2 !1 0!3

!2.5

!2

!1.5

!1

!0.5

0

0.5

1

V f

U

jeudi 21 août 2014

Page 74: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

!6 !5 !4 !3 !2 !1 0!3

!2.5

!2

!1.5

!1

!0.5

0

0.5

1

V f

U!6 !5 !4 !3 !2 !1 0!3

!2.5

!2

!1.5

!1

!0.5

0

0.5

1

V f

U

jeudi 21 août 2014

Page 75: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

!6 !5 !4 !3 !2 !1 0!3

!2.5

!2

!1.5

!1

!0.5

0

0.5

1

V f

U!6 !5 !4 !3 !2 !1 0!3

!2.5

!2

!1.5

!1

!0.5

0

0.5

1

V f

U!6 !5 !4 !3 !2 !1 0!3

!2.5

!2

!1.5

!1

!0.5

0

0.5

1

V f

U

jeudi 21 août 2014

Page 76: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

!6 !5 !4 !3 !2 !1 0!3

!2.5

!2

!1.5

!1

!0.5

0

0.5

1

V f

U!6 !5 !4 !3 !2 !1 0!3

!2.5

!2

!1.5

!1

!0.5

0

0.5

1

V f

U!6 !5 !4 !3 !2 !1 0!3

!2.5

!2

!1.5

!1

!0.5

0

0.5

1

V f

U

jeudi 21 août 2014

Page 77: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

!6 !5 !4 !3 !2 !1 0!3

!2.5

!2

!1.5

!1

!0.5

0

0.5

1

V f

U!6 !5 !4 !3 !2 !1 0!3

!2.5

!2

!1.5

!1

!0.5

0

0.5

1

V f

U!6 !5 !4 !3 !2 !1 0!3

!2.5

!2

!1.5

!1

!0.5

0

0.5

1

V f

U!6 !5 !4 !3 !2 !1 0!3

!2.5

!2

!1.5

!1

!0.5

0

0.5

1

V f

U

jeudi 21 août 2014

Page 78: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

!6 !5 !4 !3 !2 !1 0!3

!2.5

!2

!1.5

!1

!0.5

0

0.5

1

V f

U!6 !5 !4 !3 !2 !1 0!3

!2.5

!2

!1.5

!1

!0.5

0

0.5

1

V f

U!6 !5 !4 !3 !2 !1 0!3

!2.5

!2

!1.5

!1

!0.5

0

0.5

1

V f

U!6 !5 !4 !3 !2 !1 0!3

!2.5

!2

!1.5

!1

!0.5

0

0.5

1

V f

U

jeudi 21 août 2014

Page 79: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

!6 !5 !4 !3 !2 !1 0!3

!2.5

!2

!1.5

!1

!0.5

0

0.5

1

V f

U!6 !5 !4 !3 !2 !1 0!3

!2.5

!2

!1.5

!1

!0.5

0

0.5

1

V f

U!6 !5 !4 !3 !2 !1 0!3

!2.5

!2

!1.5

!1

!0.5

0

0.5

1

V f

U!6 !5 !4 !3 !2 !1 0!3

!2.5

!2

!1.5

!1

!0.5

0

0.5

1

V f

U

jeudi 21 août 2014

Page 80: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

!6 !5 !4 !3 !2 !1 0!3

!2.5

!2

!1.5

!1

!0.5

0

0.5

1

V f

U!6 !5 !4 !3 !2 !1 0!3

!2.5

!2

!1.5

!1

!0.5

0

0.5

1

V f

U!6 !5 !4 !3 !2 !1 0!3

!2.5

!2

!1.5

!1

!0.5

0

0.5

1

V f

U!6 !5 !4 !3 !2 !1 0!3

!2.5

!2

!1.5

!1

!0.5

0

0.5

1

V f

U

Moving phase

Depinning transition

Static phase

jeudi 21 août 2014

Page 81: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

!6 !5 !4 !3 !2 !1 0!3

!2.5

!2

!1.5

!1

!0.5

0

0.5

1

V f

U!6 !5 !4 !3 !2 !1 0!3

!2.5

!2

!1.5

!1

!0.5

0

0.5

1

V f

U!6 !5 !4 !3 !2 !1 0!3

!2.5

!2

!1.5

!1

!0.5

0

0.5

1

V f

U!6 !5 !4 !3 !2 !1 0!3

!2.5

!2

!1.5

!1

!0.5

0

0.5

1

V f

U

Moving phase

Depinning transition

Static phase

jeudi 21 août 2014

Page 82: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Control parameter:

3 - Pinning process in low flow strength

jeudi 21 août 2014

Page 83: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Control parameter:

3 - Pinning process in low flow strength

0

0

F

V f

jeudi 21 août 2014

Page 84: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Control parameter:

3 - Pinning process in low flow strength

Numerical simulations

0

0

F

V f

jeudi 21 août 2014

Page 85: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

PLAN

1 - Experimental

2 - Front dynamics in high flow strength

3 - Pinning process in low flow strength

4 - Transcient dynamics and universality

5 - Conclusion and perpectives

jeudi 21 août 2014

Page 86: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

x (mm)

h (x,

t) (mm

)

10 20 30 40 50 60 70 80 90

20

30

40

50

60

70

80

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1

U

upward

4 - Transcient dynamics and universality

Vf

Loca

l flow

velo

city

V /U

f

jeudi 21 août 2014

Page 87: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

10!1 100 101 10210!1

100

101

!x (mm)

w (!

x, t) (

mm)

F = 0.49F = 0.56F = 0.58F = 0.64

102 103 104 105102

103

104

F = 0.56F = 0.58F = 0.64

w (x,

!t) (

mm)

!t (s)

0.66 0.64

0.29

4 - Transcient dynamics and universality

0 10 20 30 40 50 60 70 80 9010

20

30

40

50

60

70

80

90

x (mm)

h (m

m)

jeudi 21 août 2014

Page 88: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

10!1 100 101 10210!1

100

101

!x (mm)

w (!

x, t) (

mm)

F = 0.49F = 0.56F = 0.58F = 0.64

102 103 104 105102

103

104

F = 0.56F = 0.58F = 0.64

w (x,

!t) (

mm)

!t (s)

0.66 0.64

0.29

4 - Transcient dynamics and universality

0 10 20 30 40 50 60 70 80 9010

20

30

40

50

60

70

80

90

x (mm)

h (m

m)

Roughness

jeudi 21 août 2014

Page 89: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

10!1 100 101 10210!1

100

101

!x (mm)

w (!

x, t) (

mm)

F = 0.49F = 0.56F = 0.58F = 0.64

102 103 104 105102

103

104

F = 0.56F = 0.58F = 0.64

w (x,

!t) (

mm)

!t (s)

0.66 0.64

0.29

4 - Transcient dynamics and universality

0 10 20 30 40 50 60 70 80 9010

20

30

40

50

60

70

80

90

x (mm)

h (m

m)

Roughness

jeudi 21 août 2014

Page 90: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

10!1 100 101 10210!1

100

101

!x (mm)

w (!

x, t) (

mm)

F = 0.49F = 0.56F = 0.58F = 0.64

102 103 104 105102

103

104

F = 0.56F = 0.58F = 0.64

w (x,

!t) (

mm)

!t (s)

0.66 0.64

0.29

4 - Transcient dynamics and universality

0 10 20 30 40 50 60 70 80 9010

20

30

40

50

60

70

80

90

x (mm)

h (m

m)

Roughness

Temporal fluctuations

jeudi 21 août 2014

Page 91: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

10!1 100 101 10210!1

100

101

!x (mm)

w (!

x, t) (

mm)

F = 0.49F = 0.56F = 0.58F = 0.64

102 103 104 105102

103

104

F = 0.56F = 0.58F = 0.64

w (x,

!t) (

mm)

!t (s)

0.66 0.64

0.29

4 - Transcient dynamics and universality

0 10 20 30 40 50 60 70 80 9010

20

30

40

50

60

70

80

90

x (mm)

h (m

m)

Roughness

Temporal fluctuations

jeudi 21 août 2014

Page 92: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

x (mm)

h(x,

t) (m

m)

10 20 30 40 50 60 70 80 90

15

20

25

30

35

40

450

0.2

0.4

0.6

0.8

1

x (mm)

h(x,

t) (m

m)

10 20 30 40 50 60 70

20

30

40

50

60

70

80

90

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1

4 - Transcient dynamics and universality

U

backward

Vf

Loca

l flow

velo

city

V /U

f

jeudi 21 août 2014

Page 93: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

4 - Transcient dynamics and universality

0 10 20 30 40 50 60 70 8010

20

30

40

50

60

70

80

90

100

x (mm)

h (m

m)

jeudi 21 août 2014

Page 94: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

4 - Transcient dynamics and universality

10!1 100 101 10210!1

100

101

102

F = ! 2.22F = ! 1.48F = ! 1.48F = ! 0.79F = ! 0.25

!x (mm)

w (!

x, t) (

mm) 0.87

0.66

Roughness

0 10 20 30 40 50 60 70 8010

20

30

40

50

60

70

80

90

100

x (mm)

h (m

m)

jeudi 21 août 2014

Page 95: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

4 - Transcient dynamics and universality

10!1 100 101 10210!1

100

101

102

F = ! 2.22F = ! 1.48F = ! 1.48F = ! 0.79F = ! 0.25

!x (mm)

w (!

x, t) (

mm) 0.87

0.66

Roughness

101 102 103 104

10-1

100

F = ! 2.22F = ! 1.48F = ! 1.29

101 102 103 104

F = ! 0.20F = ! 0.25F = ! 0.79

10-1

100 0.66

0.64

0.31

w (x,

!t) (

mm)

!t (s) !t (s)

Temporal fluctuations0 10 20 30 40 50 60 70 80

10

20

30

40

50

60

70

80

90

100

x (mm)

h (m

m)

jeudi 21 août 2014

Page 96: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

4 - Transcient dynamics and universality

Positif and negatif qKPZ growth process KPZ et etQKPZKPZ et etQKPZ0.63 0.63

jeudi 21 août 2014

Page 97: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

4 - Transcient dynamics and universality

Positif and negatif qKPZ growth process

growth term and the driving force term Fhave the same sign

qKPZ > 0

KPZ et etQKPZKPZ et etQKPZ0.63 0.63

jeudi 21 août 2014

Page 98: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

4 - Transcient dynamics and universality

 Vf  >  0

 V  >  0

Positif and negatif qKPZ growth process

growth term and the driving force term Fhave the same sign

qKPZ > 0

KPZ et etQKPZKPZ et etQKPZ0.63 0.63

jeudi 21 août 2014

Page 99: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

4 - Transcient dynamics and universality

 Vf  >  0

 V  >  0

Positif and negatif qKPZ growth process

growth term and the driving force term Fhave the same sign

qKPZ > 0

growth term and the driving force term Fhave opposite sign

qKPZ < 0

KPZ et etQKPZKPZ et etQKPZ0.63 0.63

jeudi 21 août 2014

Page 100: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

4 - Transcient dynamics and universality

 Vf  >  0

 V  >  0

 Vf  <  0

 V  >  0

Positif and negatif qKPZ growth process

growth term and the driving force term Fhave the same sign

qKPZ > 0

growth term and the driving force term Fhave opposite sign

qKPZ < 0

KPZ et etQKPZKPZ et etQKPZ0.63 0.63

jeudi 21 août 2014

Page 101: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

4 - Transcient dynamics and universality

qKPZ > 0

qKPZ < 0

inclined regions of the front advance faster

inclined regions of the front slowdown

x (mm)

h (m

m)

10 20 30 40 50 60 70 80 9010

15

20

25

30

35

40

45

x (mm)

h (m

m)

10 20 30 40 50 60 70 80 90

10

20

30

40

50

60

70

80

Loca

l flow

velo

city

V /U

f

jeudi 21 août 2014

Page 102: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

PLAN

1 - Experimental

2 - Front dynamics in high flow strength

3 - Pinning process in low flow strength

4 - Transcient dynamics and universality

5 - Conclusion and perpectives

jeudi 21 août 2014

Page 103: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

3 universality classes

Negatif qKPZ growth with static sawtooth pattern formation for bakward propagating fronts

KPZ behavior for moving phase

Unique control parameter

Soutenance de thèse, 1er Octobre 2013Séverine Atis Partie 1 1 / 13Conclusion 46 / 50

Positif qKPZ growth process for upward propagating fronts

Interesting connections with QKPZ theory and Advection-Reaction-Diffusion systems

5 - Conclusion and perpectives

jeudi 21 août 2014

Page 104: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

3 universality classes

Negatif qKPZ growth with static sawtooth pattern formation for bakward propagating fronts

KPZ behavior for moving phase

Unique control parameter

Soutenance de thèse, 1er Octobre 2013Séverine Atis Partie 1 1 / 13Conclusion 46 / 50

Positif qKPZ growth process for upward propagating fronts

Interesting connections with QKPZ theory and Advection-Reaction-Diffusion systems

5 - Conclusion and perpectives

jeudi 21 août 2014

Page 105: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

3 universality classes

Negatif qKPZ growth with static sawtooth pattern formation for bakward propagating fronts

KPZ behavior for moving phase

Unique control parameter

Soutenance de thèse, 1er Octobre 2013Séverine Atis Partie 1 1 / 13Conclusion 46 / 50

Positif qKPZ growth process for upward propagating fronts

Interesting connections with QKPZ theory and Advection-Reaction-Diffusion systems

5 - Conclusion and perpectives

jeudi 21 août 2014

Page 106: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

3 universality classes

Negatif qKPZ growth with static sawtooth pattern formation for bakward propagating fronts

KPZ behavior for moving phase

Unique control parameter

Soutenance de thèse, 1er Octobre 2013Séverine Atis Partie 1 1 / 13Conclusion 46 / 50

Positif qKPZ growth process for upward propagating fronts

Interesting connections with QKPZ theory and Advection-Reaction-Diffusion systems

5 - Conclusion and perpectives

jeudi 21 août 2014

Page 107: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

3 universality classes

Negatif qKPZ growth with static sawtooth pattern formation for bakward propagating fronts

KPZ behavior for moving phase

Unique control parameter

Soutenance de thèse, 1er Octobre 2013Séverine Atis Partie 1 1 / 13Conclusion 46 / 50

Positif qKPZ growth process for upward propagating fronts

Interesting connections with QKPZ theory and Advection-Reaction-Diffusion systems

5 - Conclusion and perpectives

jeudi 21 août 2014

Page 108: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Bacteria colonies dynamics in complex flows

Reaction front pinning control in microfluidic devices

5 - Conclusion and perpectives

jeudi 21 août 2014

Page 109: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Bacteria colonies dynamics in complex flows

Reaction front pinning control in microfluidic devices

5 - Conclusion and perpectives

jeudi 21 août 2014

Page 110: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

100 200 300 400 500 600

50

100

150

200

250

0

50

100

150

200

5 - Conclusion and perpectives

Avalanches phenomena at the depinning transition

100 200 300 400 500 600 700

50

100

150

200

250

0

20

40

60

80

100

120

140

160

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Thank you^^ !

jeudi 21 août 2014

Page 112: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Supplements

jeudi 21 août 2014

Page 113: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

Soutenance de thèse, 1er Octobre 2013Séverine Atis Introduction 1 / 13

Couplage hydrodynamique des fronts de réaction

Concentration en ozone au niveau du vortex polaire [Gross et al., 2006]

Panache de plancton, mer de Barents

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dégradation de l‘ozone par des composés chlorésPopulation biologique dynamique non-linéaire

Courants océaniques mélange chaotique

Biological population nonlinear dynamics

Flows in the oceans mixing

Ozone concentration in the polar vortexPhytoplankton blume in the Barents sea

ozone reduction by chlorine compounds

Reaction fronts interaction with hydrodynamics flows

jeudi 21 août 2014

Page 114: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

autocatalytic process

2nd order chemical kinectics

,{

nonlinearity

et

feedback

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jeudi 21 août 2014

Page 115: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

0 10 20 30 40 50 60 700

10

20

30

40

50

60

70

80

90

X (mm)

Y (m

m )

measurements of the local flow velocity

1 - Experimental setupTracers dispersion experiments

jeudi 21 août 2014

Page 116: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

0 10 20 30 40 50 60 700

10

20

30

40

50

60

70

80

90

X (mm)

Y (m

m )

measurements of the local flow velocity

1 - Experimental setupTracers dispersion experiments

jeudi 21 août 2014

Page 117: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

X ( mm )

Y (

mm

)

10 20 30 40 50 60 70 80 90

10

20

30

40

50

60

70

80

90

100 0

0.5

1

1.5

2

2.5

3

Loca

l flow

velo

city

u/U

1 - Experimental setupTracers dispersion experiments

Disordered flow of mean velocity U

jeudi 21 août 2014

Page 118: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

X ( mm )

Y (

mm

)

10 20 30 40 50 60 70 80 90

10

20

30

40

50

60

70

80

90

100 0

0.5

1

1.5

2

2.5

3

Loca

l flow

velo

city

u/U

1 - Experimental setupTracers dispersion experiments

Disordered flow of mean velocity U

Fluctuations correlation length:

jeudi 21 août 2014

Page 119: Reaction wave propagation in disordered flokpz2014.ws/_src/sc625/atis.pdf1 Reaction wave propagation in disordered flow Dominique Salin and Laurent Talon FAST - Université Paris Sud,

X ( mm )

Y (

mm

)

10 20 30 40 50 60 70 80 90

10

20

30

40

50

60

70

80

90

100 0

0.5

1

1.5

2

2.5

3

Loca

l flow

velo

city

u/U

1 - Experimental setupTracers dispersion experiments

PDF of the local flowvelocity fluctuations

[Lebond & al. 1997]

Disordered flow of mean velocity U

Fluctuations correlation length:

jeudi 21 août 2014