Cargo Fire Administration Federal Aviation Suppression by ... · Federal Aviation 2 Administration...
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Federal Aviation Administration Cargo Fire Suppression by Depressurization The 6 th Triennial Fire & Cabin Safety Research Conference Tropicana Casino Resort; Atlantic City, NJ October 25 – 28, 2010 Richard Hill Program Manager, Fire Safety Team FAA Wm. J. Hughes Technical Center Atlantic City International Airport, NJ 08405
Transcript of Cargo Fire Administration Federal Aviation Suppression by ... · Federal Aviation 2 Administration...
Federal AviationAdministrationCargo Fire
Suppression by Depressurization
The 6th Triennial Fire & Cabin Safety Research ConferenceTropicana Casino Resort; Atlantic City, NJOctober 25 – 28, 2010
Richard HillProgram Manager, Fire Safety TeamFAA Wm. J. Hughes Technical CenterAtlantic City International Airport, NJ 08405
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Cargo Fire Suppression by Depressurization
PressureTransducer
(Top View)
10 m Pressure Vessel
3Thermocouple
Line to vacuum pump
Inlet valve
Test samples
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Cargo Fire Suppression by Depressurization
Acrylic Burn Rate vs Altitude
0.000
0.005
0.010
0.015
0.020
0.025
0.030
0.035
0.040
0.045
SL 8K 16K 18K 20K 22K 24K 26K
Altitude
Bur
n R
ate
(cm
/sec
ond)
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Cargo Fire Suppression by Depressurization
JetA Burn Rate vs Altitude
0.000
0.020
0.040
0.060
0.080
0.100
0.120
SL 8k 16k 18k 20k 22k 24k 26k
Altitude
Bur
n R
ate
(gra
ms/
sec)
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Jet A Mass Loss vs. Altitude
y = -0.163x + 8.1807
0.001.002.003.004.005.006.007.008.009.00
0.0 5.0 10.0 15.0 20.0 25.0 30.0
Altitude
gm/M
inut
e
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Cargo Fire Suppression by Depressurization
Propanol mass loss Vs Altitude
y = -0.1668x + 9.2124
0.00
2.00
4.00
6.00
8.00
10.00
0.00 5.00 10.00 15.00 20.00 25.00 30.00
Altitude
gm/M
inut
e
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Acrylic Burn Rate vs. Altitude
y = -0.053x + 2.2747
0.00
0.50
1.00
1.50
2.00
2.50
0 5 10 15 20 25 30
Altitude
Burn
Rat
e c
m/m
inut
e
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Heated Lithium Ion Battery vs Altitude
0.0
2.5
5.0
7.5
10.0
12.5
15.0
17.5
20.0
22.5Se
a Le
vel (
14.7
psia
)
8K' (
10.9
2 ps
ia)
16K'
(7.9
6 ps
ia)
18K'
(7.3
4 ps
ia)
20K'
(6.7
5 ps
ia)
22K'
(6.2
0 ps
ia)
24K'
(5.6
9 ps
ia)
26K'
(5.2
2 ps
ia)
Altitude
Min
utes
Flame OutIgnitionpop
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Altitude vs Time to Battery Venting & Ignition1.6 L/min Propane Flame - 10g Single Lithium Primary Battery
0
20
40
60
80
100
120
140SL
(14.
7 ps
ia)
8K' (
10.9
2 ps
ia)
16K'
(7.9
6 ps
ia)
18K'
(7.3
4 ps
ia)
20K'
(6.7
5 ps
ia)
22K'
(6.2
psi
a)
24K'
(5.6
9 ps
ia)
26K'
(5.2
2 ps
ia)
Altitude
Seco
nds
Battery VentingIgnition
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Cargo Fire Suppression by Depressurization
PressureTransducer
(Top View)
10 m Pressure Vessel
3Thermocouple
Line to vacuum pump
Inlet valve
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Cargo Fire Suppression by Depressurization
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Cargo Fire Suppression by Depressurization
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Cargo Fire Suppression by Depressurization
8,000 Feet to 18,000 Feet
0
200
400
600
800
1,000
1,200
1,400
0:00:00 0:07:12 0:14:24 0:21:36 0:28:48 0:36:00 0:43:12 0:50:24
Time (HH:MM:SS)
Tem
pera
ture
(°F)
0
5
10
15
20
25
%O
2 / P
SI
Ch #1: T/C 1 (°F) Ch #5: PressTrans (PSI) Ch #8: Oxygen Analyzer (%O2)
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Cargo Fire Suppression by Depressurization
8,000ft (10.92 PSI) to 18,000ft (7.34 PSI)
0200400600800
1000120014001600
0:00:00 0:14:24 0:28:48 0:43:12 0:57:36
Test Time (HH:MM:SS)
Tem
pera
ture
(°F)
0
5
10
15
20
25
TC PSI %O2
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8,000 Feet to 24,000 Feet
0
200
400
600
800
1,000
1,200
1,400
0:00:00 0:07:12 0:14:24 0:21:36 0:28:48 0:36:00 0:43:12 0:50:24 0:57:36 1:04:48
Time (HH:MM:SS)
Tem
pera
ture
(°F)
0
5
10
15
20
25
%O
2 / P
SI
Ch #1: T/C 1 (°F) Ch #5: PressTrans (PSI) Ch #8: Oxygen Analyzer (%O2)
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8,000ft (10.92 PSI) to 24,000ft (5.7 PSI)
0200400600800
1000120014001600
0:00:00 0:07:12 0:14:24 0:21:36 0:28:48 0:36:00 0:43:12 0:50:24
Test Time (HH:MM:SS)
Tem
pera
ture
(°F)
0
5
10
15
20
25
TC PSI %O2
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Cruise @ 8,000 Feet
0
200
400
600
800
1,000
1,200
1,400
0:00:00 0:07:12 0:14:24 0:21:36 0:28:48 0:36:00 0:43:12 0:50:24
Time (HH:MM:SS)
Tem
pera
ture
(°F)
0
5
10
15
20
25
%0 2
/ PS
I
Ch #1: T/C 1 (°F) Ch #5: PressTrans (PSI) Ch #8: Oxygen Analyzer (%O2)
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Cruise @ 8,000 Feet (10.92 PSI)
0200
400600
8001000
12001400
1600
0:00:00 0:07:12 0:14:24 0:21:36 0:28:48 0:36:00
Test Time (HH:MM:SS)
Tem
pera
ture
(°F)
0
5
10
15
20
25
PSI /
%O 2
TC PSI %O2
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Cruise @ 8,000 feet with Halon
0
50
100
150
200
250
300
350
400
450
500
0:00:00 0:07:12 0:14:24 0:21:36 0:28:48 0:36:00 0:43:12
Test Time (HH:MM:SS)
Tem
pera
ture
-2
0
2
4
6
8
10
12
14
16
Ch #1: T/C 1 (°F) Ch #3: Analyzer (%) Ch #5: PressTrans (PSI)
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Cruise @ 8,000 Feet (10.92 PSI) w ith Halon
0
200
400
600800
1000
1200
1400
1600
0:00:00 0:07:12 0:14:24 0:21:36 0:28:48 0:36:00 0:43:12
Test Time (HH:MM:SS)
Tem
pera
ture
(°F)
0
5
10
15
20
25
PSI /
%O
2 / H
alon
%
TC Halon% %O2 PSI
