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Cabin Air Guidelines
Hi,
>From the ABS book, Section 8.5.2 Standard Man
Item Quantity Units
Oxygen Consumption 0.083 Lbs. per hour at 1atm
Drinking water 6 Lbs. per day
Food, Dry 1.4 Lbs. per day
Respiration Quotient 0.72 Weight ratio of oxygen consumed carbon
dioxide produced
CO2 Produced 0.115 Lbs. per hour at 1atm
Water Vapor Produced 4 Lbs. per day
Urine 4 Lbs. per day
Feces 0.4 Lbs. per day
Flatus 0.1 Cu. Ft. per day
Heat Output Sensible 250 BTU per hour
Latent 220 BTU per hour
8.17 Carbon Dioxide (CO2) Removal System
Capable of maintining the CO2 concentration at or below 0.00989 kg/m3 or
0.5percent by volume at 1atm.
8.21 Emergancy Life Support System
8.21.2 CO2
The system is to be designed such that CO2 levels in the gas being breathed
do not exceed 0.0198 kg/m3 or 1 percent by volume at 1atm.
Regards,
Ray