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NanoMet3 First PEMS-‐PN Instrument
Presented by Andreas Knecht
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Contents
Introduction
Motivation
Measuring and technical requirements
NanoMet3 technology
Features and specifications
Validation and performance
Summary and outlook
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1995 nothing than nano-particlesSince
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Heavy duty Machinery.
Nano-partticle emission control for safety
Matter is a spin-off the ETH & Swiss government particle
counting project
Tunnels in the Swiss alps alone1000
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Contents
Introduction
Motivation
Measuring and technical requirements
NanoMet3 technology
Features and specifications
Validation and performance
Summary and outlook
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Why are Nano Particle dangerous
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Small & Insoluble = Health Hazard
F-Actin 1-!m particles
control + cyt. D0
20
40
60
80
100
120
1 20
20
40
60
100
80
[% o
f ce
lls] without particles
with particles
control + cytochalasin D1 µm
F-Actin 78-nm particles (neutral)
0
10
20
30
40
50
60
70
80
90
100
1 2control + cyt. D0
20
40
60
100
80
[% o
f ce
lls] without particles
with particles
control + cytochalasin D0.078 µm
F-Actin 78-nm particles (neutral)
0
10
20
30
40
50
60
70
80
90
100
1 2control + cyt. D0
20
40
60
100
80
[% o
f ce
lls] without particles
with particles
control + cytochalasin D0.078 µm
Human Cell Exposed Micro and Nano Particles
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100nm 800nm
Par?cle mass
Particle Mass
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100nm 800nm
Par?cle number
Particle Number
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Particle MassParticle Number
Most Hazardous Polluant
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2017 European Commission’s PEMS-‐PN
approach
PMP Measurement
MaAer Aerosol NanoMet3
Real Driving
Emissions
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Contents
Introduction
Motivation
Measuring and technical requirements
NanoMet3 technology
Features and specifications
Validation and performance
Summary and outlook
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NanoMet3 Technology
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exhaust with nano-droplets
Dilution
droplets remain despite hot dilution
dilution air (pre-heated)
sample with nano-droplets
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Par@cle Coun@ng: Diffusion Size
Classifier
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What do we measure?
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1fA=0.000000000000001A
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Contents
Introduction
Motivation
Measuring and technical requirements
NanoMet3 technology
Features and specifications
Validation and performance
Summary and outlook
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NanoMet3
Ø Particle number concentration [#/cm3] or [#/s] with flow meter
Ø Average particle diameter [nm]
Ø Calculated particle mass [mg/m3]
Ø Lung deposition surface area [µm2/cm3]
Measuring Data
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On Road Particle Counting
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Cabine Counting
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Contents
Introduction
Motivation
Measuring and technical requirements
NanoMet3 technology
Features and specifications
Validation and performance
Summary and outlook
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NanoMet3 valida@on @ 60nm
NM3 (DF 10) vs PMP (DF 1000)
NM3 (DF 100) vs PMP (DF
1000) NM3 (DF 300) vs PMP
(DF 1000) Linear NM3 (DF 10)
vs PMP (DF 1000)
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NanoMet3 valida@on @ 85nm
NM3 (DF 10) vs PMP (DF 1000)
NM3 (DF 100) vs PMP (DF
1000) NM3 (DF 300) vs PMP
(DF 1000) Linear NM3 (DF 10)
vs PMP (DF 1000)
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Outlook -‐ Field Measurement
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Outlook -‐ Field Measurement
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Thanks very much
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