A numerical investigation of the cooling effect of compressed natural gas throttling on engine delivery ratio

被引：0

作者：

Yacoub, Y ^{[1
]}

Marbun, L ^{[1
]}

Bata, R ^{[1
]}

机构：

[1] W Virginia Univ, Dept Mech & Aerosp Engn, Morgantown, WV 26506 USA

来源：

JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER-TRANSACTIONS OF THE ASME | 1999年 / 121卷 / 01期

关键词：

D O I：

10.1115/1.2816298

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

A theoretical study was conducted to investigate the cooling effect of throttling compressed natural gas during the pressure regulation process. The concept of using this effect in cooling down the induction air was investigated. A thermodynamic model was developed for a typical fuel delivery system used on a vehicle fueled with compressed natural gas. The model was based on a set of integral conservation laws applied to each component of the fueling system. Several heat exchanging arrangements between the throttled gas and the inlet air were examined. The effect of rite added heat exchanger on engine delivery ratio was examined for different engine sizes as well as for different operating conditions. An increase of 1 to 2.5% in engine delivery ratio was predicted due to the added heat exchanger.

引用

页码：121 / 128

页数：8

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