Enver Gezer sees that there is 32 ºC in the summer house and after operating the air conditioner, the temperature of the house becomes 20 ºC in 15 minutes. Calculate the electrical power drawn by the system since the air conditioning system has a COP of 2.5. The mass of the Air in the house is 800 kg. For air (CV: 0.72 kJ/kg ºC and Cp: 1.0 kJ/kg ºC) A-3,265 kW B-5,492 kW C-3,897 kW D-5,046 kW E-3,072 kW

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Chapter8: Natural Convection
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Problem 8.46P
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12- Enver Gezer sees that there is 32 ºC in the summer house and after operating the air conditioner, the temperature of the house becomes 20 ºC in 15 minutes. Calculate the electrical power drawn by the system since the air conditioning system has a COP of 2.5. The mass of the Air in the house is 800 kg. For air (CV: 0.72 kJ/kg ºC and Cp: 1.0 kJ/kg ºC)

A-3,265 kW
B-5,492 kW
C-3,897 kW
D-5,046 kW
E-3,072 kW

(Note: This question is Turkish) orginal question:

12- Enver Gezer yazın evinde 32 ºC olduğunu görmekte ve Klimayı çalıştırdıktan sonra evin sıcaklığı 15 dakika içerisinde 20 ºC olmaktadır. iklimlendirme sisteminin COP değeri 2.5 olduğuna göre sistemin çektiği elektrik gücünü hesaplayın . Evin içerisindeki Havanın kütlesi 800 kg dır. Hava için (CV :0.72 kJ/kg ºC ve Cp : 1.0 kJ/kg ºC )

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