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Performance analysis of combined Brayton and inverse Brayton cycles and developed configurations

Lookup NU author(s): Mohamed Alabdoadaim, Professor Brian Agnew, Dr Ian Potts

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Abstract

The study presented in this paper examined the performance of a proposed thermal power system comprising Brayton and inverse Brayton cycles and their developed configurations. It has been carried out by varying the Brayton cycle pressure ratio for different values of the expansion pressure of the inverse Brayton cycle using variable, above atmospheric, inlet pressures. The results indicated that better performance could be achieved when the proposed system and developed configurations are operated at high overall pressure ratios. The results revealed that the base system is superior to the simple gas turbine cycle over the whole chosen range of Brayton cycle pressure ratios. It was observed that the system with regeneration attained the best efficiency value of 49.36% with smallest component size (almost similar to that of simple cycle) but with the smallest work output. © 2006 Elsevier Ltd. All rights reserved.

Publication metadata

Author(s): Alabdoadaim MA, Agnew B, Potts I

Publication type: Article

Publication status: Published

Journal: Applied Thermal Engineering

Year: 2006

Volume: 26

Issue: 14-15

Pages: 1448-1454

ISSN (print): 1359-4311

ISSN (electronic): 1873-5606

Publisher: Pergamon

URL: http://dx.doi.org/10.1016/j.applthermaleng.2006.01.003

DOI: 10.1016/j.applthermaleng.2006.01.003

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