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e following calculated cooli atained at the following con PC, Room RH = 55% Cand RH 50%. And 10% E ir sunnlied to the sn000 lo

e following calculated cooli atained at the following con PC, Room RH = 55% Cand RH 50%. And 10% E ir sunnlied to the sn000 lo

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
Publisher:Kreith, Frank; Manglik, Raj M.
Chapter4: Numerical Analysis Of Heat Conduction
Section: Chapter Questions
Problem 4.25P
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a buildiug has the following calculated cooling loads: RSH gain 300 kW RLH gain = 110 kW The space is maintained at the following conditions Room DBT 25°C, Room RH = 55% Outdoor is at 40°C and RH 50%. And 10% by mass of air supplied to the buildings is out door. If the air supplied to the space is not to be at a temperature lower than 18°C. Find (i) Miu amount of air supplied to space in m/sec. (ii) Mass flow rates of return air, exhaust air and out door air (i) Capacity, BPFand sensible heat factor of cooling coil. Given: Condition DBT RH Sp. Humidity Enthalpy °C g.w.v./kg d.a. kJ/kg d.a. outside 40 50 23.6. 100 inside 25 55 10.6 52.5 supply Specitic valume of air supply point 0.836 m³/kg, coil ADP=9°C. 18 41.2
Transcribed Image Text:a buildiug has the following calculated cooling loads: RSH gain 300 kW RLH gain = 110 kW The space is maintained at the following conditions Room DBT 25°C, Room RH = 55% Outdoor is at 40°C and RH 50%. And 10% by mass of air supplied to the buildings is out door. If the air supplied to the space is not to be at a temperature lower than 18°C. Find (i) Miu amount of air supplied to space in m/sec. (ii) Mass flow rates of return air, exhaust air and out door air (i) Capacity, BPFand sensible heat factor of cooling coil. Given: Condition DBT RH Sp. Humidity Enthalpy °C g.w.v./kg d.a. kJ/kg d.a. outside 40 50 23.6. 100 inside 25 55 10.6 52.5 supply Specitic valume of air supply point 0.836 m³/kg, coil ADP=9°C. 18 41.2
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