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5.10 Gas turbine exhaust of Ex. 5.1 is employed in a waste heat recovery boiler to raise steam at p= 66 bar and t = 540°C. The steam expands to a condenser pressure of 0.1 bar and dryness fraction 0.90. Taking a pinch-point of 20°C determine.

5.10 Gas turbine exhaust of Ex. 5.1 is employed in a waste heat recovery boiler to raise steam at p= 66 bar and t = 540°C. The steam expands to a condenser pressure of 0.1 bar and dryness fraction 0.90. Taking a pinch-point of 20°C determine.

Elements Of Electromagnetics
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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5.10 Gas turbine exhaust of Ex. 5.1 is employed in a waste heat recovery boiler to raise steam at p= 66 bar and t= 540°C. The steam expands to a condenser pressure of 0.1 bar and dryness fraction 0.90. Taking a pinch-point of 20°C determine. (a) The steam boiler capacity, (b) Temperature of the gases in the stack, (c) Steam turbine efficiency, (d) Steam turbine plant output and efficiency, and (e) Efficiency of the combined cycle plant. (Ans.) (a) 212 tonnes/h (b) 167.60°C (d) 69.52 MW, 35.35% (c) 88.72% (e) 45.2%
Transcribed Image Text:5.10 Gas turbine exhaust of Ex. 5.1 is employed in a waste heat recovery boiler to raise steam at p= 66 bar and t= 540°C. The steam expands to a condenser pressure of 0.1 bar and dryness fraction 0.90. Taking a pinch-point of 20°C determine. (a) The steam boiler capacity, (b) Temperature of the gases in the stack, (c) Steam turbine efficiency, (d) Steam turbine plant output and efficiency, and (e) Efficiency of the combined cycle plant. (Ans.) (a) 212 tonnes/h (b) 167.60°C (d) 69.52 MW, 35.35% (c) 88.72% (e) 45.2%
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