The exhaust gases of a gas turbine, are used in a well insulated regenerator (heat exchanger) to raise steam at 2 bar, which is subsequently fed to a steam turbine in order to produce additional power. The air enters the regenerator at 758 K and exits at 350 K. The mass flow rate of the air is 3.2 kg/s. Water at 45°C and 2 bar enters the regenerator and exits as saturated steam at the same pressure. Determine: a) The mass flow rate of the water. b) The rate of entropy production in the regenerator in kJ/s.
The exhaust gases of a gas turbine, are used in a well insulated regenerator (heat exchanger) to raise steam at 2 bar, which is subsequently fed to a steam turbine in order to produce additional power. The air enters the regenerator at 758 K and exits at 350 K. The mass flow rate of the air is 3.2 kg/s. Water at 45°C and 2 bar enters the regenerator and exits as saturated steam at the same pressure. Determine: a) The mass flow rate of the water. b) The rate of entropy production in the regenerator in kJ/s.
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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Question
Transcribed Image Text:11. The exhaust gases of a gas turbine, are used in a well insulated regenerator
(heat exchanger) to raise steam at 2 bar, which is subsequently fed to a steam
turbine in order to produce additional power. The air enters the regenerator at
758 K and exits at 350 K. The mass flow rate of the air is 3.2 kg/s. Water at
45°C and 2 bar enters the regenerator and exits as saturated steam at the same
pressure. Determine:
a) The mass flow rate of the water.
b) The rate of entropy production in the regenerator in kJ/s.
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