Answered: 1200 kJ/min 20°C 4.2 kg/s Mixing…

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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Liquid water at 200 kPa and 20 degress celcius is heated in a chamber by mixing it with superheated steam at 200 kPa and 250 degrees celcius. Liquid water enters the mixing chamber at a rate of 4.2 kg/s, and the chamber is estimated to lose heat to the surrounding air at 23 degress celcius at a rate of 1200 kJ/min. If the mixture leaves the mixing chamber at 200 kPa and 85 degrees celcius determine (a) the mass flow rate of the superheated steam, and (b) the rate of entropy generation during the mixing process.

1200 kJ/min
20°C
4.2 kg/s
Mixing
chamber85°C
200 kPa
250°C

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