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Access Type

WSU Access

Date of Award

January 2017

Degree Type

Thesis

Degree Name

M.S.

Department

Mechanical Engineering

First Advisor

Naeim A. Henein

Abstract

A Gasoline Direct Injection Compression Ignition (GDICI) engine combines the high thermal efficiency of the diesel engine caused by its high compression ratio and the lower soot emissions as a result of using gasoline instead of diesel fuel. In addition, the GDICI has lower NOx emissions than the conventional gasoline engine because of the higher volatility of gasoline which forms a more homogeneous charge of a lower equivalence ratio. However, the GDICI engine faces problems related to the poor auto-ignition quality (low Cetane Number) of gasoline. These problems include difficulty in starting the engine particularly at lower atmospheric temperatures and combustion instability. The goal of this research is to investigate the use of a glow plug in the GDICI engine and to solve these problems.

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