Difference between revisions of "Needs and Effluents"
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| STYLE="width:3in;height:.5in;" | '''Needs (in)''' | | STYLE="width:3in;height:.5in;" | '''Needs (in)''' | ||
| − | | STYLE="width: | + | | STYLE="width:1in;height:.5in;" | |
| STYLE="width:3in;height:.5in;" | '''Effluents (out)''' | | STYLE="width:3in;height:.5in;" | '''Effluents (out)''' | ||
|- | |- | ||
| STYLE="width:3in;" | Oxygen = 0.84 kg (1.84 lb) | | STYLE="width:3in;" | Oxygen = 0.84 kg (1.84 lb) | ||
| − | + | | | |
| − | | STYLE="width:3in;" | | + | | STYLE="width:3in;" | Carbon Dioxide = 1.00 kg (2.20 lb) |
|- | |- | ||
| STYLE="width:3in;" | Food solids = 0.62 kg (1.36 lb) | | STYLE="width:3in;" | Food solids = 0.62 kg (1.36 lb) | ||
| − | + | | | |
| − | | STYLE="width:3in;" | | + | | STYLE="width:3in;" | Respiration & Perspiration Water = 2,28 kg (5.02 lb) |
|- | |- | ||
| STYLE="width:3in;" | Water in Food = 1.15 kg (2.54 lb) | | STYLE="width:3in;" | Water in Food = 1.15 kg (2.54 lb) | ||
| − | + | | | |
| − | | STYLE="width:3in;" | | + | | STYLE="width:3in;" | Food Preperation, Latent Water = 0.036 kg (3.31 lb) |
|- | |- | ||
| STYLE="width:3in;" | Food Prep Water = 0.76 kg (1.67 lb) | | STYLE="width:3in;" | Food Prep Water = 0.76 kg (1.67 lb) | ||
| − | + | | | |
| − | | STYLE="width:3in;" | | + | | STYLE="width:3in;" | Urine = 1.50 kg (3.31 lb) |
|- | |- | ||
| STYLE="width:3in;" | Drink = 1.62 kg (3.56 lb) | | STYLE="width:3in;" | Drink = 1.62 kg (3.56 lb) | ||
| − | + | | | |
| − | | STYLE="width:3in;" | | + | | STYLE="width:3in;" | Urine Flush Water = 0.50 kg (1.09 lb) |
|- | |- | ||
| STYLE="width:3in;" | Metabolized Water = 0.35 kg (0.76 lb) | | STYLE="width:3in;" | Metabolized Water = 0.35 kg (0.76 lb) | ||
| − | + | | | |
| − | | STYLE="width:3in;" | | + | | STYLE="width:3in;" | Feces Water = 0.091 kg (0.20 lb) |
|- | |- | ||
| STYLE="width:3in;" | Hand/Face Wash Water = 4.09 kg (9.00 lb) | | STYLE="width:3in;" | Hand/Face Wash Water = 4.09 kg (9.00 lb) | ||
| − | + | | | |
| − | | STYLE="width:3in;" | | + | | STYLE="width:3in;" | Sweat Solids = 0.018 kg (0.04 lb) |
|- | |- | ||
| STYLE="width:3in;" | Shower Water = 2.73 kg (6.00 lb) | | STYLE="width:3in;" | Shower Water = 2.73 kg (6.00 lb) | ||
| − | + | | | |
| − | | STYLE="width:3in;" | | + | | STYLE="width:3in;" | Urine Solids = 0.059 kg (0.13 lb) |
|- | |- | ||
| STYLE="width:3in;" | Urinal Flush = 0.49 kg (1.09 lb) | | STYLE="width:3in;" | Urinal Flush = 0.49 kg (1.09 lb) | ||
| − | + | | | |
| − | | STYLE="width:3in;" | | + | | STYLE="width:3in;" | Feces Solids = 0.032 kg (0.07 lb) |
|- | |- | ||
| STYLE="width:3in;" | Clothes Wash Water = 12.50 kg (27.50 lb) | | STYLE="width:3in;" | Clothes Wash Water = 12.50 kg (27.50 lb) | ||
| − | + | | | |
| − | | STYLE="width:3in;" | | + | | STYLE="width:3in;" | Hygiene Water = 12.58 kg (27.68 lb) |
|- | |- | ||
| STYLE="width:3in;" | Dish Wash Water = 5.45 kg (12.00 lb) | | STYLE="width:3in;" | Dish Wash Water = 5.45 kg (12.00 lb) | ||
| − | + | | | |
| − | | STYLE="width:3in;" | | + | | STYLE="width:3in;" | Clothes Wash Water<br>Liquid = 11.90 kg (26.17 lb)<br>Latent = 0.60 kg (1.33 lb) |
|- | |- | ||
| STYLE="width:3in;" | '''Total = 30.60 kg (67.32 lb)''' | | STYLE="width:3in;" | '''Total = 30.60 kg (67.32 lb)''' | ||
| − | + | | | |
| STYLE="width:3in;" | '''Total = 30.60 kg (67.32 lb)''' | | STYLE="width:3in;" | '''Total = 30.60 kg (67.32 lb)''' | ||
|- | |- | ||
|} | |} | ||
Revision as of 20:11, 16 May 2007
This article is a work in progress
Note
These values are based on an average metabolic rate of 136.7 W/person (11,200 Btu/person/day) and a respiration quotient of 0.87. The values will be higher when activity levels are greater and for larger than average people. The respiration quotient is the molar ratio of CO2 generated to O2 consumed.
Human needs and effluents mass balance
(per person per day)
| Needs (in) | Effluents (out) | |
| Oxygen = 0.84 kg (1.84 lb) | Carbon Dioxide = 1.00 kg (2.20 lb) | |
| Food solids = 0.62 kg (1.36 lb) | Respiration & Perspiration Water = 2,28 kg (5.02 lb) | |
| Water in Food = 1.15 kg (2.54 lb) | Food Preperation, Latent Water = 0.036 kg (3.31 lb) | |
| Food Prep Water = 0.76 kg (1.67 lb) | Urine = 1.50 kg (3.31 lb) | |
| Drink = 1.62 kg (3.56 lb) | Urine Flush Water = 0.50 kg (1.09 lb) | |
| Metabolized Water = 0.35 kg (0.76 lb) | Feces Water = 0.091 kg (0.20 lb) | |
| Hand/Face Wash Water = 4.09 kg (9.00 lb) | Sweat Solids = 0.018 kg (0.04 lb) | |
| Shower Water = 2.73 kg (6.00 lb) | Urine Solids = 0.059 kg (0.13 lb) | |
| Urinal Flush = 0.49 kg (1.09 lb) | Feces Solids = 0.032 kg (0.07 lb) | |
| Clothes Wash Water = 12.50 kg (27.50 lb) | Hygiene Water = 12.58 kg (27.68 lb) | |
| Dish Wash Water = 5.45 kg (12.00 lb) | Clothes Wash Water Liquid = 11.90 kg (26.17 lb) Latent = 0.60 kg (1.33 lb) | |
| Total = 30.60 kg (67.32 lb) | Total = 30.60 kg (67.32 lb) |
