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H.W. 3.1 Find the cycle efficiency and specific steam consumption of a reheat cycle operating between pressures of 3 MPa and 0.004 MPa, with superheat temp of 450°C. Assume that the first expansion is carried out to the point where the steam is dry saturated and then the steam is reheated to the original superheat temp. The feed pump term may be neglected.

H.W. 3.1 Find the cycle efficiency and specific steam consumption of a reheat cycle operating between pressures of 3 MPa and 0.004 MPa, with superheat temp of 450°C. Assume that the first expansion is carried out to the point where the steam is dry saturated and then the steam is reheated to the original superheat temp. The feed pump term may be neglected.

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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H.W. 3.1 Find the cycle efficiency and specific steam consumption of a reheat cycle operating between pressures of 3 MPa and 0.004 MPa, with superheat temp of 450°C. Assume that the first expansion is carried out to the point where the steam is dry saturated and then the steam is reheated to the original superheat temp. The feed pump term may be neglected. H.W. 3.2 A smaller power plant produces steam at 3 MPa, 600•C, in the boiler. It keeps the condenser at 45 C by the transfer of 10MW out as heat transfer. The first turbine section expands to 500 kPa, and then flow is reheated followed by the expansion in the low-pressure turbine. Find the reheat temperature so that the turbine output is saturated vapor. For this reheat, find the total turbine power output and the boiler heat transfer. Dakaa LA07 1-J 41. Chp F3 fs fo f8 f1o 24 & 7 8 4€ 5 7 W3D Y ! Ox ق DI F1 GY HA J
Transcribed Image Text:H.W. 3.1 Find the cycle efficiency and specific steam consumption of a reheat cycle operating between pressures of 3 MPa and 0.004 MPa, with superheat temp of 450°C. Assume that the first expansion is carried out to the point where the steam is dry saturated and then the steam is reheated to the original superheat temp. The feed pump term may be neglected. H.W. 3.2 A smaller power plant produces steam at 3 MPa, 600•C, in the boiler. It keeps the condenser at 45 C by the transfer of 10MW out as heat transfer. The first turbine section expands to 500 kPa, and then flow is reheated followed by the expansion in the low-pressure turbine. Find the reheat temperature so that the turbine output is saturated vapor. For this reheat, find the total turbine power output and the boiler heat transfer. Dakaa LA07 1-J 41. Chp F3 fs fo f8 f1o 24 & 7 8 4€ 5 7 W3D Y ! Ox ق DI F1 GY HA J
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