Date of Award
Mechanical, Automotive, and Materials Engineering
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The thermal response from in-cylinder combustion to exhaust aftertreatment was investigated for a 4-stroke single cylinder Yanmar diesel engine. The thermal characteristics of late post-injection inside the cylinder for enabling aftertreatment operations were simulated and experimentally verified. The cylinder head of the Yanmar engine was modified for measurement of in-cylinder pressure and temperature. A real-time heat release model was developed for analyzing the diesel combustion based upon the acquired cylinder pressure. However, the in-cylinder measurements could not be realized due to limitations of the thermocouple signal conditioning system. The thermal response from in-cylinder combustion to exhaust aftertreatment for the Yanmar diesel engine was characterized in terms of a heat loss coefficient and a time constant. Moreover, the effect of mass flowrate on both these factors was also evaluated. The procedure for quantifying the overall thermal response has been reported in detail. (Abstract shortened by UMI.)Dept. of Mechanical, Automotive, and Materials Engineering. Paper copy at Leddy Library: Theses & Major Papers - Basement, West Bldg. / Call Number: Thesis2006 .A83. Source: Masters Abstracts International, Volume: 45-01, page: 0446. Thesis (M.A.Sc.)--University of Windsor (Canada), 2006.
Asad, Usman, "Thermal response analysis from in-cylinder combustion to exhaust aftertreatment." (2006). Electronic Theses and Dissertations. 4375.