Performance and Combustion Characteristics of OM314 Diesel Engine Fueled With DME: A Theoretical and Experimental Analysis-Reference-Cited by-同舟云学术

Performance and Combustion Characteristics of OM314 Diesel Engine Fueled With DME: A Theoretical and Experimental Analysis

Published:2010-06-07 Issue:9 Volume:132 Page:
ISSN:0742-4795
Container-title:Journal of Engineering for Gas Turbines and Power
language:en
Short-container-title:

Author:

Savadkouhi L.¹,Jazayeri S. A.²,Shahangian N.²,Tavakoli J.³

Affiliation:

1. Mechanical Research Institute, IROST, Tehran 19788-76114, IR Iran

2. Department of Mechanical Engineering, KNTU, Tehran 19697-64499, IR Iran

3. Chemical and Biomolecular Engineering, Lafayette College, Easton, PA 18042

Abstract

Use of dimethyl ether (DME) as a diesel fuel alternative has been increased due to the unique combustion characteristics of this oxygenated fuel. We have investigated performance and combustion characteristics of a naturally aspirated diesel engine using DME as the main fuel. In the experimental part of this work, OM314 direct-injection diesel engine was used as a base engine. A comprehensive full cycle was coupled with a multizone combustion model to simulate performance characteristics of the engine. Results of the volumetric efficiency showed that the highest brake torque was achievable in midspeed range. The power speed diagram showed that the brake torque tended to be much higher for diesel fuel than for DME when the engine speed was less than 1900 rpm. However, in engine speeds higher than 1900 rpm, brake torque in DME mode of operation was larger. Calculated emission results also suggested that negligible soot is produced in DME mode operation.

Publisher

ASME International

Subject

Mechanical Engineering,Energy Engineering and Power Technology,Aerospace Engineering,Fuel Technology,Nuclear Energy and Engineering

Link

http://asmedigitalcollection.asme.org/gasturbinespower/article-pdf/doi/10.1115/1.4000584/5739095/092801_1.pdf

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