APPENDIX 1 Protocols for tasks to be performed during the ...
Recent Simulator Activity Baseline Testing –Fire testing performed during the first week of May...
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Transcript of Recent Simulator Activity Baseline Testing –Fire testing performed during the first week of May...
Recent Simulator Activity
• Baseline Testing– Fire testing performed during the first week of May 2000
– Agent testing performed during the third and fourth weeks of May2000
– Results/General simulation :• The air flow passing through the test section no longer attains the 400°F MPSE criteria
• During past core heating trials, fuel leaked through openings in the lower portions of the core to the test bay floor due to excessively rich conditions in the core volume
• The core heating burner was nozzled back from 6 gph to 2 gph to relieve the fuel leak
• Air flow heating to specific temperature is difficult due to the simplicity of the simulator
– Results/fire testing :• Used a heat flux transducer in a reference location within the spray fire zone to bench
mark fire intensity and behavior; NOTE: this is intended for in-house reference only
• Determined existing fuel nozzle array is insufficient (fuel not atomizing acceptably)
• A fire is occurring outside the annular fire zone within the core volume
• Electrical feeds to both hot plates damaged and require repair
– Results/agent testing :• Difficulty attaining low temperature agent storage profile
• Agent pressurization insufficient @70°F, 360 psig N2 top off
• Agent pressurization sufficient @70°F, 600 psig N2 top off
WJ Hughes Technical Center
Atlantic City International Airport, NJ 08405
USA
Contact :
Douglas Ingerson
tel : 609-485-4945
Recent Simulator Activity
• Short Term Actions– Install process controller for the in-line duct heaters (week of 22May)
– Characterize the new nozzle arrays for spray fire scenario (week of 29May)
– Modify firex to attain colder agent storage temperatures (week of 29May)
– Repair/fire-harden electrical feeds and correct fuel leak problems around the hot plates (2-6June)
WJ Hughes Technical Center
Atlantic City International Airport, NJ 08405
USA
Contact :
Douglas Ingerson
tel : 609-485-4945
Recent Simulator Activity
• Test Data Plots– 6 tests are provided for viewing
– simulator settings and calculations for each test are provided on the next slide
– a table deciphering the plot legend text references is provided
– plot break down :• article test plots 411.21 and 525.12 are shown to illustrate air flow heating ability and
control as of now
• article test plots 502.11 and 503.11 are shown to illustrate the differences in fire behavior between conditions of ambient air/fuel and hot air/fuel
• article test plots 518.10 and 518.11 illustrate the generic response of the simulator environment during an agent release
• gas distribution plots 518.10 and 518.11 illustrate the distribution in the simulator
• Most of this information is "gee-whiz"
• The information is primarily the result of learning the simulator behavior/characteristics and bugging it out
WJ Hughes Technical Center
Atlantic City International Airport, NJ 08405
USA
Contact :
Douglas Ingerson
tel : 609-485-4945
Recent Simulator Activity
WJ Hughes Technical Center
Atlantic City International Airport, NJ 08405
USA
Contact :
Douglas Ingerson
tel : 609-485-4945
File Reference : rtcl.00.411.21.d rtcl.00.502.11.d rtcl.00.503.11.d rtcl.00.518.10.d rtcl.00.518.11.d rtcl.00.525.12.dInlet free area (in^2) : 84 96.6 96.6 84 84 84
Ambient bay temperature (°F) : 55 68 64 71 73 73Core air flow temperature (°F) : varying 71 160 125 115 98
Mass flow (lbm/s) : 2.6 2.9 2.5 2.5 2.4 2.4Type of test : other - see comments other - see comments other - see comments agent distribution agent distribution other - see commentsAgent used : n/a n/a n/a HFC-125 HFC-125 n/a
Agent quantity (lbf) : n/a n/a n/a 3.75 3.75 n/aStorage temperature (°F) : n/a n/a n/a -45 -42 n/a
Storage pressure (psig) : n/a n/a n/a 165 165 n/aFirex bottle volume (in^3) : n/a n/a n/a 200 200 n/a
Fire scenario : n/a spray spray n/a n/a n/a Fuel type : n/a JP8/Jet-A JP8/Jet-A n/a n/a n/a
Quantity (gpm or q) : n/a see below see below n/a n/a n/aTemperature (°F) : n/a ambient hot n/a n/a n/a
fire out ? n/a n/a n/a n/a n/a n/aComment #1 : htg comparisons; core s/p=650°F;HFT profiles, f.flows@ 0.072,FSS ramp up, HFT trials@3965 s;MPSE phI trial MPSE phI trial ILDH run w/ new temp ctlr;Comment #2 : core and duct htrs on... 0.073, & 0.088 gpm; 2 min warm up0.072, 0.073, & 0.088 gpm(some agent lost due to inadvertent valve opening)none set point=103°F, dead band=2°F
Recent Simulator Activity
WJ Hughes Technical Center
Atlantic City International Airport, NJ 08405
USA
Contact :
Douglas Ingerson
tel : 609-485-4945
Air Stream Heating Response, rtcl.00.411.21.c2(In-line duct htrs & core@2gph nozzle, s/p=650°F, AFS on @ 84.0 in^2, bay vent on)
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HW
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igna
l (m
V)
ave_sta453
ave_sta551
TCel Temp (TC)
sen/Inlt HWA
Recent Simulator Activity
WJ Hughes Technical Center
Atlantic City International Airport, NJ 08405
USA
Contact :
Douglas Ingerson
tel : 609-485-4945
Simulator maximum
heating ability @ 84 in2 open inlet
ILDH Process Control Trial, rtcl.00.525.12.c1Set Point @ 103°, dead band @ 2°F
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Time (sec)
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igna
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ave_sta453
ave_sta551
frt/170/t/FWD3:00
TCel Temp (TC)
sen/Inlt HWA
Recent Simulator Activity
WJ Hughes Technical Center
Atlantic City International Airport, NJ 08405
USA
Contact :
Douglas Ingerson
tel : 609-485-4945
Simulator air stream
heating, via process
control (84 in2)
Recent Simulator Activity
WJ Hughes Technical Center
Atlantic City International Airport, NJ 08405
USA
Contact :
Douglas Ingerson
tel : 609-485-4945
Fire behavior from spray
nozzle array
Fire Behavior, rtcl.00.502.11.c1(AFS on @77.7 in^2, FZS nozzle fuel flow @ 0.072, 0.073, 0.088 gpm respectively)
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ft^
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ave_sta453
ave_sta515 upr
ave_sta551 upr
tst/490/t/spr_f.l
HFT
Recent Simulator Activity
WJ Hughes Technical Center
Atlantic City International Airport, NJ 08405
USA
Contact :
Douglas Ingerson
tel : 609-485-4945
Fire behavior from spray
nozzle array
Fire Behavior, rtcl.00.503.11.c1(AFS [email protected] in^2 open, in-line duct htrs, FZS nozl flo @0.072, 0.073, & 0.088 gpm)
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ave_sta453
ave_sta515 upr
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tst/490/t/spr_f.l
HFT
Recent Simulator Activity
WJ Hughes Technical Center
Atlantic City International Airport, NJ 08405
USA
Contact :
Douglas Ingerson
tel : 609-485-4945
Typical simulator
response for agent
discharge
Recent Simulator Activity
WJ Hughes Technical Center
Atlantic City International Airport, NJ 08405
USA
Contact :
Douglas Ingerson
tel : 609-485-4945
Typical simulator
response for agent
discharge
Recent Simulator Activity
WJ Hughes Technical Center
Atlantic City International Airport, NJ 08405
USA
Contact :
Douglas Ingerson
tel : 609-485-4945
• Channel Allocations for the Halonyzer
– Forward RingA 12:00 ch # 11B 3:00 ch # 9C 6:00 ch # 8D 9:00 ch # 4
– Mid RingE 1:30 ch # 1F 4:30 ch # 7G 7:30 ch # 5H 11:30 ch # 2
– Aft RingI 12:00 ch # 10J 3:00 ch # 12K 6:00 ch # 6L 9:00 ch # 3
MPSE phI Trials, Test No. V114 Date:05/18/00 HFC-125, h125.00.518.10.c1
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Recent Simulator Activity
WJ Hughes Technical Center
Atlantic City International Airport, NJ 08405
USA
Contact :
Douglas Ingerson
tel : 609-485-4945
Agent discharge,
HFC-125
MPSE phI Trials, Test No. V115 Date:05/18/00 HFC-125, h125.00.518.11.c1
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Recent Simulator Activity
WJ Hughes Technical Center
Atlantic City International Airport, NJ 08405
USA
Contact :
Douglas Ingerson
tel : 609-485-4945
Agent discharge,
HFC-125
Recent Simulator Activity
WJ Hughes Technical Center
Atlantic City International Airport, NJ 08405
USA
Contact :
Douglas Ingerson
tel : 609-485-4945
• Comments– still bugging out systemic difficulties...
• fuel nozzle arrays for the spray fire scenario have been modified and characterized regarding flow/pressure curves; fire test behavior requires evaluation
• air flow heating– the in-line duct heaters are now controlled with a temperature process controller to provide tighter air
flow heating control
– the core is plumbed for 2 burners; only one is currently used, the second can be attached at a later time, if needed
• to rectify agent super-cooling difficulties :– have spoken with the testing contractor at WPAFB to learn from their experiences
– have additional simple modifications planned for the firex
• Summary/Observations– comparison of flux plots illustrates difference in fire zone behavior with respect to
air temperature (heat sink effects)
– agent releases performed with HFC-125 (simulation protocol); of 5 MPSE phase I attempts, 2 were considered reviewable (agent temp for HFC-125 was -42 and -45°F => representative of Halon 1301 @ -65°F)
– for the current simulator configuration, an agent weight for HFC-125 is somewhere between 3.50 and 3.75 lbm (Halon 1301 predicted to be 100/77 times that mass to achieve an MPSE-acceptable distribution profile)