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28 Sep 2019
Steam is available at a volumetric flow rate of 500 ft3/min as a saturated vapor at 25 psia (absolute). a. What is the temperature of the steam?b. What would you expect the mass flow rate to be?c. If the steam is used to heat a food product in a heat exchanger, and the steam exits the heat exchanger as a saturated liquid, what would you estimate the temperature of the steam exiting the heat exchanger to be? d. For the situation of part c, what is the rate of energy transfer to the food product on an hourly basis?e. If the steam of part c leaves the heat exchanger as a condensate at 110oF, what is the energy transfer to the food product just from the condensate on an hourly basis? The specific heat of water may be assumed as 1.0 Btu/(lbm-oF); if you need this value.
Steam is available at a volumetric flow rate of 500 ft3/min as a saturated vapor at 25 psia (absolute). a. What is the temperature of the steam?b. What would you expect the mass flow rate to be?c. If the steam is used to heat a food product in a heat exchanger, and the steam exits the heat exchanger as a saturated liquid, what would you estimate the temperature of the steam exiting the heat exchanger to be? d. For the situation of part c, what is the rate of energy transfer to the food product on an hourly basis?e. If the steam of part c leaves the heat exchanger as a condensate at 110oF, what is the energy transfer to the food product just from the condensate on an hourly basis? The specific heat of water may be assumed as 1.0 Btu/(lbm-oF); if you need this value.
Casey DurganLv2
28 Sep 2019