EXERGY ANALYSIS OF A SOLAR STIRLING ENGINE ASSEMBLY

被引：0

作者：

Stanciu, Dorin ^{[1
]}

Stanciu, Camelia ^{[1
]}

Dobrovicescu, Alexandru ^{[1
]}

Gheorghian, Adina ^{[1
]}

机构：

[1] Politeh Univ Bucharest, Dept Engn Thermodynam, Bucharest 060042, Romania

来源：

ENVIRONMENTAL ENGINEERING AND MANAGEMENT JOURNAL | 2011年 / 10卷 / 09期

关键词：

exergy analysis; exergy destruction rate; solar Stirling engine; RADIATION; OPTIMIZATION; REGENERATOR; COLLECTORS;

D O I：

暂无

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A thermodynamic model for studying the overall efficiency and power output of a solar assembly using a Stirling engine is presented. It is based on the application of the energy and exergy balance equations to the system components. The results of the proposed model are generated as a function of solar incident radiation whose analytical estimation is presented. The numerical application is set for a solar assembly operating in Bucharest, composed by a parabolic dish mirror, a plane receiver for concentrating the solar radiation on a solar Stirling engine that is coupled to an electric generator. Receiver and gas temperatures are determined hourly along a day, and so are the performances of both the engine and whole assembly. The distribution of exergy destruction rates is emphasized between the components.

引用

页码：1345 / 1353

页数：9

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