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

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

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 par...

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Veröffentlicht in:Journal of engineering for gas turbines and power 2010-09, Vol.132 (9), p.092801 (6)-092801 (6)
Hauptverfasser: Savadkouhi, L, Jazayeri, S A, Shahangian, N, Tavakoli, J
Format: Artikel
Sprache:eng
Schlagworte:
Brakes
Combustion
Diesel engines
Diesel fuels
Dimethyl ether
Engines
Fuels
Torque
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container_end_page 092801 (6)
container_issue 9
container_start_page 092801 (6)
container_title Journal of engineering for gas turbines and power
container_volume 132
creator Savadkouhi, L
Jazayeri, S A
Shahangian, N
Tavakoli, J
description 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.
doi_str_mv 10.1115/1.4000584YouarenotloggedintotheASMEDigitalLibrary.
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source ASME Transactions Journals (Current)
subjects Brakes
Combustion
Diesel engines
Diesel fuels
Dimethyl ether
Engines
Fuels
Torque
title Performance and Combustion Characteristics of OM314 Diesel Engine Fueled With DME: A Theoretical and Experimental Analysis
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