The air entering the turbine with 1200 K and 1200 kPa expands to 100 kPa pressure in two stages. When the air is reintroduced to 1200 K at a constant reheat pressure of 350 kPa and both expansion stages are ideally realized: a) Total expansion work (kJ/kg) b) Intermediate heating amount (kJ/kg) c) Calculate the rate of increase in work according to the stepless (without reheating) expansion. Features for air: k = 1.4 k=1,4, R=0,287 kg K,c= 1,005 kMkg K R = 0.287 kJ/kgK Cp = 1.005 kJ/kgK

The air entering the turbine with 1200 K and 1200 kPa expands to 100 kPa pressure in two stages. When the air is reintroduced to 1200 K at a constant reheat pressure of 350 kPa and both expansion stages are ideally realized: a) Total expansion work (kJ/kg) b) Intermediate heating amount (kJ/kg) c) Calculate the rate of increase in work according to the stepless (without reheating) expansion. Features for air: k = 1.4 k=1,4, R=0,287 kg K,c= 1,005 kMkg K R = 0.287 kJ/kgK Cp = 1.005 kJ/kgK

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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