2ND-LAW ANALYSIS OF DIESEL-ENGINE COMBUSTION

被引：86
作者：
VANGERPEN, JH
SHAPIRO, HN
机构：
[1] Department of Mechanical Engineering, Iowa State University, Ames, IA
来源：
JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER-TRANSACTIONS OF THE ASME | 1990年 / 112卷 / 01期
关键词：
D O I：
10.1115/1.2906467
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
A second-law analysis of the combustion process in a diesel engine is presented for a single-zone model. Expressions for availability and the availability balance are developed in detail from the energy and entropy balances and applied in a manner that allows the irreversibility due to combustion to be separated from that associated with heat transfer to the walls. Availability is divided into two components: thermomechanical and chemical availability. For the first time, chemical availability of the cylinder contents is dealt with rigorously, which allows for a correct determination of combustion irreversibilities. The analysis is applied in a parametric study of the effects of combustion timing, mass burning rate, and heat transfer rate on the irreversibility and system availability. © 1990 by ASME.
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页码：129 / 137
页数：9
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