Energy and Exergy Analysis and Optimization of Combined Heat and Power Systems. Comparison of Various Systems

被引：30

作者：

Feidt, Michel ^{[2
]}

Costea, Monica ^{[1
]}

机构：

[1] Univ Politehn Bucuresti, Dept Engn Thermodynam Engines Thermal & Refrigera, Bucharest 060042, Romania

[2] Lorraine Univ, CNRS, UMR 7563, LEMTA, F-54516 Vandoeuvre Les Nancy, France

来源：

ENERGIES | 2012年 / 5卷 / 09期

关键词：

thermodynamics; optimization; combined heat and power systems; exergy efficiency; First Law efficiency; constraints; COGENERATION SYSTEMS; GAS; TECHNOLOGIES; CYCLE; PERFORMANCE; MANAGEMENT; PUMP;

D O I：

10.3390/en5093701

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 paper presents a comparison of various CHP system configurations, such as Vapour Turbine, Gas Turbine, Internal Combustion Engine, External Combustion Engine (Stirling, Ericsson), when different thermodynamic criteria are considered, namely the first law efficiency and exergy efficiency. Thermodynamic optimization of these systems is performed intending to maximize the exergy, when various practical related constraints (imposed mechanical useful energy, imposed heat demand, imposed heat to power ratio) or main physical limitations (limited heat availability, maximum system temperature allowed, thermo-mechanical constraints) are taken into account. A sensitivity analysis to model parameters is given. The results have shown that the various added constraints were useful for the design allowing to precise the influence of the model main parameters on the system design. Future perspective of the work and recommendations are stated.

引用

页码：3701 / 3722

页数：22

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