When the well-isolated office room is entered in the summer, it is seen that the temperature of the room is °C. After operating the air conditioner, the temperature of the room becomes 22 °C within At minutes. The fficient of performance of the air conditioning system is 2.5, a) find the internal energy changing in the room b) calculate the electrical power consumed by the system. Assume that the whole mass inside the room is ivalent to 700 kg of air. Take Cy = 0.72 kJ / kg°C, C, = 1.0 kJ / kg°C for air. Use the below table for At value. Last one digit of your student number Point:) At Win (minutes) 15 1 14 (A/C 35 °C 2 13 12 4 11 22 °C 10 7 8 8 7 9.

When the well-isolated office room is entered in the summer, it is seen that the temperature of the room is °C. After operating the air conditioner, the temperature of the room becomes 22 °C within At minutes. The fficient of performance of the air conditioning system is 2.5, a) find the internal energy changing in the room b) calculate the electrical power consumed by the system. Assume that the whole mass inside the room is ivalent to 700 kg of air. Take Cy = 0.72 kJ / kg°C, C, = 1.0 kJ / kg°C for air. Use the below table for At value. Last one digit of your student number Point:) At Win (minutes) 15 1 14 (A/C 35 °C 2 13 12 4 11 22 °C 10 7 8 8 7 9.

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.

Chapter8: Natural Convection

Section: Chapter Questions

Problem 8.12P: 8.12 An electric room heater has been designed in the shape of a vertical cylinder 2 m tall and 30...

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