If 250 ft 3 /s of air at122 degrees F and approximately atmospheric pressure is

Question

If 250 ft3/s of air at122 degrees F and approximately atmospheric pressure is preheatedfor a combustion process to 932 degrees F, what rate of heattransfer is required? If 250 ft3/s of air at122 degrees F and approximately atmospheric pressure is preheatedfor a combustion process to 932 degrees F, what rate of heattransfer is required? If 250 ft3/s of air at122 degrees F and approximately atmospheric pressure is preheatedfor a combustion process to 932 degrees F, what rate of heattransfer is required?

Explanation / Answer

Rate of heat transfer = volume of the heatbeing transferred   * change in temperature                                  = 250 ft3/s * (932 -122)                                 = 50625000 thus , rate of heat transfer = 50625000 (heat units ,J / s)

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