Results ofResults ofRadiant Panel Radiant Panel Testing Round Testing Round

Robin 8Robin 8Pat CahillPat Cahill

Patricia.Cahill@FAA.govPatricia.Cahill@FAA.gov

Round Robin 8 Round Robin 8 ResultsResults

18 Participating Labs18 Participating Labs Three Materials, Three Three Materials, Three

Samples of EachSamples of Each All Warp DirectionAll Warp Direction

Round Robin 8 Results:Round Robin 8 Results:Polyimide FilmPolyimide Film

≤ 3 Seconds

> 3 Seconds

95.8%

4.2%0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

After Flame

Round Robin 8 Results:Round Robin 8 Results:Polyimide FilmPolyimide Film

≤ 2 Inches

> 2 Inches

91.7%

8.3%0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

Flame Propagation

Round Robin 8 Results:Round Robin 8 Results:Polyimide FilmPolyimide Film

FAA Polyimide Samples after

Testing

Round Robin 8 Results:Round Robin 8 Results:Polyester FilmPolyester Film

≤ 3 Seconds

> 3 Seconds

12.0%

88.0%

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

After Flame

Round Robin 8 Results:Round Robin 8 Results:Polyester FilmPolyester Film

≤ 2 Inches

> 2 Inches

14.6%

85.4%

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

Flame Propagation

Round Robin 8 Results:Round Robin 8 Results:Polyester FilmPolyester Film

FAA Polyester Samples after

Testing

Round Robin 8 Results:Round Robin 8 Results:Metallized Tedlar with Metallized Tedlar with

TapeTape

≤ 3 Seconds

> 3 Seconds

90.7%

9.3%0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

After Flame

Round Robin 8 Results:Round Robin 8 Results:Metallized Tedlar with Metallized Tedlar with

TapeTape

≤ 2 Inches

> 2 Inches

81.5%

18.5%

0%

10%

20%

30%

40%

50%

60%

70%

80%

90%

100%

Flame Propagation

Round Robin 8 Results:Round Robin 8 Results: Metallized Tedlar with Metallized Tedlar with

TapeTape

FAA Metallized Metallized Tedlar with TapeTedlar with Tape

Samples after Testing

Round Robin 8 Results:Round Robin 8 Results:Heat Flux ComparisonHeat Flux Comparison

Heat Flux

0.00

0.50

1.00

1.50

2.00

2.50

3.00

A B C D E F G H I J K L M N O P Q R

Ave

rag

e

Std

De

v

Avg

De

v

BT

Us

pe

r F

T2 p

er

Se

co

nd

Initial Recheck

Round Robin 8 Results:Round Robin 8 Results:Controller Setpoint Controller Setpoint

ComparisonComparisonController Setpoint

1072

.011

01.0

1078

.011

80.0

1117

.4 1174

.0

1111

.011

39.0

1142

.6

1148

.0

1103

.0

1110

.0

1087

.011

20.0

1049

.010

65.0

37.2

29.1

1082

.011

10.5

0

250

500

750

1000

1250

1500

A B C D E F G H I J K L M N O P R

Avera

ge

Std D

ev

Avg D

ev

De

gre

es

Fa

ren

he

it

Round Robin 8 Results:Round Robin 8 Results:Stabilization Time Stabilization Time

ComparisonComparisonStabilization Time

45

62.9

0

20

40

60

80

100

120

140

160

180

200

A B C D E F G H I J K L M N O P R

Avera

ge

Std D

ev

Avg D

ev

Tim

e (

Min

ute

s)

Round Robin 8 Round Robin 8 ObservationsObservations

Calorimeter Cooling Water cannot be Calorimeter Cooling Water cannot be tootoo hot. hot. Keep in mind that it’s Keep in mind that it’s cooling watercooling water and the and the water temperature should be checked water temperature should be checked periodically. periodically.

There were no significant differences in test There were no significant differences in test results during this Round Robin with the labs results during this Round Robin with the labs using Kaowool vs. other refractory board.using Kaowool vs. other refractory board.

Labs using an Electric Radiant Panel that are Labs using an Electric Radiant Panel that are experiencing higher than average stabilization experiencing higher than average stabilization times should check their controller settings for times should check their controller settings for their mode of operation.their mode of operation.

Non-Participating Labs will be included in Non-Participating Labs will be included in future Round Robins.future Round Robins.