22
.005” H2O= 1.8 X10-4 psi
Plastic sheet covering cockpit door opening. Video shows the effect of closing and opening valve for cabin air supply.
727
727
Smoke penetration into cockpit. Cabin air supply valve open. Cockpit gasper fan on and all cockpit gaspers full open.
FPM CFM485 17.8810 29.7310 11.4240 8.8 Air changes/hr
Total 67.7 CFM 12.0
FPM CFM FPM CFM450 16.5 190 7.0700 25.7 375 13.8280 10.3 320 11.7260 9.5 250 9.2
230 8.4Total 112.1 CFM 19.9
FPM CFM FPM CFM430 15.8 330 12.1730 26.8 640 23.5340 12.5 590 21.7220 8.1 370 13.6
390 14.3Total 148.3 CFM 26.3
FPM CFM FPM CFM800 29.4 400 14.71400 51.4 900 33.0680 25.0 800 29.4450 16.5 310 11.4
570 20.9Total 231.6 CFM 41.1
Cockpit Volume: 338 cubic feetNormal airflow split, gasper fan off, gaspers closed
Floor vent left Fwd jump gasperAft jump gasper
Ceiling vent rightCeiling vent leftFloor vent rightFloor vent left
Ceiling vent right
Normal airflow split, gasper fan off, gaspers open
Ceiling vent leftFloor vent right
Pilot gasperCopilot gasperEng. Gasper
Normal airflow split, gasper fan on, gaspers open
Ceiling vent right Pilot gasperCeiling vent left Copilot gasperFloor vent right Eng. GasperFloor vent left Fwd jump gasper
Aft jump gasper
Cabin air off, gasper fan on, gaspers open
Ceiling vent right Pilot gasper
Floor vent left Fwd jump gasperAft jump gasper
Ceiling vent left Copilot gasperFloor vent right Eng. Gasper
727
FPM CFM500 18.4 Pilot gasper FPM CFM850 31.2 Copilot gasper 340 12.5415 15.2 Eng. Gasper 740 27.2280 10.3 Fwd jump gasper 785 28.8
Aft jump gasper 330 12.1390 14.3 Air changes/hr
Total 169.9 CFM 30.2
FPM CFM960 35.2 Pilot gasper FPM CFM1540 56.5 Copilot gasper 390 14.3750 27.5 Eng. Gasper 890 32.7590 21.7 Fwd jump gasper 900 33.0
Aft jump gasper 450 16.5550 20.2
Total 257.6 CFM 45.7
Floor vent rightFloor vent left
Normal airflow split, gasper fan on, gaspers open
Ceiling vent rightCeiling vent left
Floor vent left
Ceiling vent leftFloor vent right
Cabin air off, gasper fan on, gaspers open
Ceiling vent right
727
FPM CFM FPM CFM460 16.9 415 15.2850 31.2 710 26.1330 12.1 770 28.3220 8.1 330 12.1
340 12.5 Air changes/hrTotal 162.4 CFM 28.8
FPM CFM FPM CFM775 28.4 390 14.31460 53.6 910 33.4650 23.9 980 36.0490 18.0 470 17.2
330 12.1Total 236.9 CFM 42.1
Floor vent left Fwd jump gasperAft jump gasper
Ceiling vent left Copilot gasperFloor vent right Eng. Gasper
Aft jump gasper
Cabin air off, gasper fan on, gaspers open
Ceiling vent right Pilot gasper
Floor vent right Eng. GasperFloor vent left Fwd jump gasper
Normal airflow split, gasper fan on, gaspers open
Ceiling vent right Pilot gasperCeiling vent left Copilot gasper
727
747
Smoke penetration into cockpit. Flight deck fan on. All cockpit gaspers and vents full open.
FPM CFM480 17.6 FPM CFM200 7.3 190 7.0440 16.1 130 4.8330 12.1 130 4.8420 15.4 220 8.1630 23.1 250 9.2440 16.1
Air changes/hrTotal 141.7 CFM 9.2
FPM CFM FPM CFM920 33.8 250 9.2440 16.1 130 4.8700 25.7 250 9.2300 11.0 260 9.5380 13.9 320 11.71000 36.7660 24.2
Total 205.9 CFM 13.4
FPM CFM FPM CFM930 34.1 360 13.2400 14.7 130 4.8650 23.9 250 9.2300 11.0 240 8.8380 13.9 300 11.01050 38.5610 22.4
Total 205.5 CFM 13.4
Cockpit volume: 920 cubic feet
Aft jump gasper
FE floor vent Eng. GasperUpper crew rest Fwd jump gasper
Aft jump footFwd jump knee
Lower crew rest
Ceiling vent Pilot gasperCeiling vent eyeballs Copilot gasper
Ceiling vent eyeballsFE floor vent
Pilot gasperCopilot gasperEng. Gasper
Fwd jump gasper
Ceiling vent
Lower crew restAft jump foot
Fwd jump kneeAft jump gasper
Ceiling vent eyeballsFE floor vent
Upper crew rest
Pilot gasperCopilot gasperEng. Gasper
Gaspers full open, packs 1 and 2 on, flight deck fan off,, equip. cooling normal, blower select normal, main deck recirc off, foot/windshield vents off.
Gaspers full open, packs 1 and 2 on, flight deck fan on, equip. cooling normal, blower select normal, main deck recirc off, foot/windshield vents off.
Gaspers full open, packs 1 and 2 on, flight deck fan on, equip. cooling smoke mode, blower select normal, main deck recirc off, foot/windshield vents off.
Lower crew restAft jump foot
Fwd jump knee
Upper crew rest Fwd jump gasperAft jump gasper
Ceiling vent
747
