Simulation Research of the Effect of Compression Ratios on Combustion and Emission for Methanol/Diesel Dual Fuel Engine

Xu Dong Zhang; Yin Nan Yuan; Jia Yi Du

doi:10.4028/www.scientific.net/AMM.709.78

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 709Simulation Research of the Effect of Compression...

Simulation Research of the Effect of Compression Ratios on Combustion and Emission for Methanol/Diesel Dual Fuel Engine

Abstract:

This paper has studied the influence of the different ratio on combustion process and emissions of air premixed methanol/diesel dual fuel engine. The research was based on 4B26 diesel engine, and the 3-D numerical simulation on combustion process and emissions of the diesel engine with intake premixed methanol was carried out using AVL FIRE software. The study showed that,with the compression ratio reducing,the ignition delay period prolonged, and the ignition timing delayed, the maximum firing pressure, the peak of pressure rise rate and the maximum combustion temperature in cylinder decreased, the crank angle postponed, the NOX emission decreased and the Soot emission increased obviously.

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Periodical:

Applied Mechanics and Materials (Volume 709)

Pages:

78-82

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.709.78

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Online since:

December 2014

Authors:

Xu Dong Zhang, Yin Nan Yuan, Jia Yi Du

Keywords:

Combustion, Emission, Methanol, Ratio

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