6.106 TABLE 6.11: VALUES FOR VARIABLES IN THE ENVIRONMENTAL CONTROL PROBLEM Assume that air is extracted at the design condition. Design Condition (point A, Figure 6.38) DB 72°F WB 61°F RH 60% hl 45.68 BTU/lb Wl .026 Vl 33. 72 ft 3 / lb Supply Condition (point c, Figure 6. 38) DB 55°F WB 54 °F RH 95% h2 36.5 w2 .0215 v2 32.42 ft 3 /lb h water 23.12 BTU/lb Air density, colony atmosphere: .03 lb/ft 3 Specific heat of colony atmosphere: .241 BTU/lb°F h = .24t + W(l061 + .444t)
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