Performance, emission and combustion characteristics of a variable compression ratio engine using methyl esters of waste cooking oil and diesel blends

被引：318

作者：

Muralidharan, K. ^{[1
]}

Vasudevan, D. ^{[1
]}

机构：

[1] PSNA Coll Engn & Technol, Dept Mech Engn, Dindigul 624622, India

来源：

APPLIED ENERGY | 2011年 / 88卷 / 11期

关键词：

Bio diesel; Methyl esters of waste cooking oil; Compression ratio; Variable compression ratio multi fuel engine; ALTERNATIVE FUEL; IGNITION ENGINE; JATROPHA OIL; BIODIESEL;

D O I：

10.1016/j.apenergy.2011.04.014

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 performance, emission and combustion characteristics of a single cylinder four stroke variable compression ratio multi fuel engine when fueled with waste cooking oil methyl ester and its 20%, 40%, 60% and 80% blends with diesel (on a volume basis) are investigated and compared with standard diesel. The suitability of waste cooking oil methyl ester as a biofuel has been established in this study. Bio diesel produced from waste sun flower oil by transesterification process has been used in this study. Experiment has been conducted at a fixed engine speed of 1500 rpm, 50% load and at compression ratios of 18:1, 19:1, 20:1, 21:1 and 22:1. The impact of compression ratio on fuel consumption, combustion pressures and exhaust gas emissions has been investigated and presented. Optimum compression ratio which gives best performance has been identified. The results indicate longer ignition delay, maximum rate of pressure rise, lower heat release rate and higher mass fraction burnt at higher compression ratio for waste cooking oil methyl ester when compared to that of diesel. The brake thermal efficiency at 50% load for waste cooking oil methyl ester blends and diesel has been calculated and the blend B40 is found to give maximum thermal efficiency. The blends when used as fuel results in reduction of carbon monoxide, hydrocarbon and increase in nitrogen oxides emissions. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：3959 / 3968

页数：10

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