Required informationProblem 09.112 - Brayton Cycle with Regeneration using Variable Specific Heats - DEPENDENT MULTI-PART PROBLEM - ASSIGN ALL PARTSA Brayton cycle with regeneration using air as the working fluid has a pressure ratio of 7. The minimum andmaximum temperatures in the cycle are 310 and 1150 K. Assume an isentropic efficiency of 75 percent for the compressorand 82 percent for the turbine and an effectiveness of 64 percent for the regenerator. Use variable specific heats for air.Problem 09.112.c - Thermal Efficiency Brayton Cycle with RegenerationDetermine the thermal efficiency.The thermal efficiency is%.

Answered: Image /qna-images/answer/1ee614e4-0dc6-4d05-ad10-ef7e3e33c551.jpg

Answered: A Brayton cycle with regeneration using…

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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Which one of the following modifications of the simple ideal Rankine cycle increases the thermal efficiency and reduces the moisture content of the steam at the turbine outlet? A. Decreasing the condenser pressure. B. Increasing the boiler pressure. C. Decreasing the boiler pressure. D. Increasing the turbine inlet temperature.
17. A diesel engine working on an air standard cycle has a peak temperature of 1200K. If the compression ratio of the engine is 20 and that the air at the entrance condition has a temperature of 300C. Determine the efficiency of the cycle. a. 68.6990% b. 68.6998% c. 68.6989% d. 68.6986%
A rankine cycle operates between a pressure limit of 6 MPa. and 50 kPa., the steam leaves the boiler at 450 C, the isentropic efficiency of the turbine is 94%, the steam mass flow rate is 20kg/sec. draw the T-S diagram assuming point 1 is at the pumpe entrance. and determine the required power to operate the pump, cycle thermal efficiency. Ans. (122 kW, 30.25%)
An ideal Otto Cycle has a compression ratio of 10. At the beginning of the compression process, air is at 100 kPa, 0.004 m³ and 10°C. The maximum cycle temperature is 1200°C. Use cold-air-standard assumptions (c, = 1.005–, c, = 0.718-.k = 1.4), determine kgk' kgK' a) Maximum pressure in the cycle b) the heat rejection and the net work output, c) the thermal efficiency. P. kPa Isentropic Isentropic 100
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Show complete solutions. In an ideal reheat-regenerative cycle, steam enters the turbine at 8.1547 Mpa and 400.547°C. After expansion to 280.547°C the steam is withdrawn and reheated to 340°C. Extractions for feedwater heating occurs at 1.6547 Mpa and 0.70547 Mpa and condenser pressure is 0.005547 Mpa a) For ideal cycle, find e,? b) Draw the schematic diagram and T-s diagram with label.
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A gas turbine cycle has a single compression with pressure ratio of 18, and has isentropic efficiency of 80%. The air enters the compressor at 95 kPa, 27°C. The cycle has two stages of expansion, with a reheat between the stages. Air enters the first stage at 1300°C and exits the reheat at 1050°C. The cycle also includes a regenerator with an effectiveness of 76%.Calculate the compressor work,turbine work and the thermal efficiency

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