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http://dx.doi.org/10.7316/KHNES.2017.28.2.225

A Study on the Performance Characteristics According to the Compression Ratio of Spark Ignition Engine Fuelled with Coal Oil  

HAN, SUNG BIN (Department of Mechanical & Automotive Engineering, Induk University)
CHUNG, YON JONG (Department of Mechanical Parts System Engineering, Gyeongju Campus, Dongguk University)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.28, no.2, 2017 , pp. 225-230 More about this Journal
Abstract
Coal oil is widely used as a home heating fuel for portable and installed coal oil heaters. Today, Coal oil is widely used as fuel for jet engines and some rocket engines in several grades. This paper describes the performance characteristics according to the compression ratio of spark ignition engine fuelled with coal oil. As a result, the following knowledge is obtained: As the compression ratio is decreased, there is an increase in torque, indicated mean effective pressure (IMEP), heat release rate, and brake thermal efficiency. Higher compression ratio of the engine decreases the ignition delay period, combustion period, and cooling loss.
Keywords
Coal oil; Compression ratio; Combustion period; Delay period; Indicated mean effective pressure; Heat release rate;
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