Air at a dew point temperature of 5°C and an enthalpy of 25 kJ/kg is heated by a heater so that the dry bulb temperature of the air becomes 45 °C. If the mass flow rate of the air is 40 kg/hr, determine the wattage of the heater. Show both data points on the Psychrometric chart.
Air at a dew point temperature of 5°C and an enthalpy of 25 kJ/kg is heated by a heater so that the dry bulb temperature of the air becomes 45 °C. If the mass flow rate of the air is 40 kg/hr, determine the wattage of the heater. Show both data points on the Psychrometric chart.
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 8.1P
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
Transcribed Image Text:Air at a dew point temperature of 5°C and an enthalpy of 25 kJ/kg is heated by a heater
so that the dry bulb temperature of the air becomes 45 °C. If the mass flow rate of the air
is 40 kg/hr, determine the wattage of the heater.
Show both data points on the Psychrometric chart.
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