In a certain heat exchanger, 50 kg of water is heated per minute from 50 °C to 110 °C by hot gases which enter the heat exchanger at 250 °C. If the flow rate of gases is 100 kg/min, estimate the net change of entropy. c, (water) = 4.186 kJ/kg K; , (gas) = 1 kJ/kg K
In a certain heat exchanger, 50 kg of water is heated per minute from 50 °C to 110 °C by hot gases which enter the heat exchanger at 250 °C. If the flow rate of gases is 100 kg/min, estimate the net change of entropy. c, (water) = 4.186 kJ/kg K; , (gas) = 1 kJ/kg K
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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In a certain heat exchanger, 50 kg of water is heated per minute from 50 °C to 110 °C by hot gases which enter the heat exchanger at 250 °C. If the flow rate of gases is 100 kg/min, estimate the net change of entropy.
c, (water) = 4.186 kJ/kg K; , (gas) = 1 kJ/kg K
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