An air conditioned room in the Basra city that measures 3 m wide, 3.5 m high and 6 m deep. The window size 1.5 m*1.5 m, mounted on the wall with no external shading and the door size 2m*1m. Calculate the sensible, latent and total heat gains on the room. What is the required cooling capacity? Assume all specification parameters that must be taken into account when calculating cooling load.

An air conditioned room in the Basra city that measures 3 m wide, 3.5 m high and 6 m deep. The window size 1.5 m1.5 m, mounted on the wall with no external shading and the door size 2m1m. Calculate the sensible, latent and total heat gains on the room. What is the required cooling capacity? Assume all specification parameters that must be taken into account when calculating cooling load.

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.

Chapter2: Steady Heat Conduction

Section: Chapter Questions

Problem 2.43P: 2.43 A turbine blade 6.3 cm long, with cross-sectional area and perimeter , is made of stainless...

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3.10 A spherical shell satellite (3-m-OD, 1.25-cm-thick stainless steel walls) re-enters the atmosphere from outer space. If its original temperature is 38°C, the effective average temperature of the atmosphere is 1093°C, and the effective heat transfer coefficient is , estimate the temperature of the shell after reentry, assuming the time of reentry is 10 min and the interior of the shell is evacuated.
2.7 A very thin silicon chip is bonded to a 6-mm thick aluminum substrate by a 0.02-mm thick epoxy glue. Both surfaces of this chip-aluminum system are cooled by air at , where the convective heat transfer coefficient of air flow is . If the heat dissipation per unit area from the chip is under steady-state conditions, draw the thermal circuit for the system and determine the operating temperature of the chip.
2.43 A turbine blade 6.3 cm long, with cross-sectional area and perimeter , is made of stainless steel . The temperature of the root, , is . The blade is exposed to a hot gas at , and the heat transfer coefficient is K. Determine the temperature of the blade tip and the rate of heat flow at the root of the blade. Assume that the tip is insulated.
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