Second law analysis of a natural gas-fired gas turbine cogeneration system

被引：27

作者：

Reddy, B. V. ^{[1
]}

Butcher, Cliff ^{[2
]}

机构：

[1] Univ Ontario Inst Technol, Fac Engn & Appl Sci, N Oshawa, ON L1H 7L7, Canada

[2] Univ New Brunswick, Dept Mech Engn, Fredericton, NB E3B 5A3, Canada

来源：

INTERNATIONAL JOURNAL OF ENERGY RESEARCH | 2009年 / 33卷 / 08期

关键词：

gas turbine; cogeneration; second law; exergy; reheat; intercooling; efficiency; POWER-GENERATION; DESIGN; REHEAT;

D O I：

10.1002/er.1510

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The influence of operating conditions such as reheat, intercooling, ambient temperature and pressure ratio are analyzed from a second law perspective on the performance of a natural gas-fired gas turbine cogeneration system. The effect of these operating parameters on carbon dioxide emissions is also discussed. The second law efficiency of gas turbine cogeneration system increases markedly with reheat option. Higher pressure ratios lead to decreased second law cogeneration efficiency but this effect can be reduced with a higher level of reheat option. The effect of intercooling on second law efficiency is strongly related to pressure ratio with higher pressure ratios significantly decreasing efficiency. The second law efficiency is not so sensitive to the environment temperature for levels of reheat or intercooling greater than 50%. Copyright (C) 2009 John Wiley & Sons, Ltd.

引用

页码：728 / 736

页数：9

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