Effects of Diesel/1-Butanol Fuel Blends on the Performance of a Diesel Engine

Jaesung Kwon; Beomsoo Kim

doi:10.15231/jksc.2023.28.4.030

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2023 Vol.28, Issue 4 Preview Page Next Page

Research Article

Effects of Diesel/1-Butanol Fuel Blends on the Performance of a Diesel Engine 경유/1-부탄올 혼합유가 디젤 엔진 성능에 미치는 영향

31 December 2023. pp. 30-35

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Abstract

This study compared the changes in engine performance variables using diesel/1-butanol blended fuels for a naturally aspirated compression ignition diesel engine. The concentrations of 1-butanol were 10%, 30%, and 50% by volume. The experimental results showed a decrease in brake torque and brake power using blended fuels due to the lower calorific value and the cooling effect caused by the high heat of vaporization that suppresses combustion reactions. The oxygen contained in 1-butanol can promote combustion reactions and increase thermal efficiency. However, as the 1-butanol volume ratio increases, overall thermal efficiency decreases due to the ignition delay and the lower combustion temperatures. As the engine speed increases, the air-fuel ratio decreases, forming a richer mixture, and the longer ignition delay leads to an increasing trend in exhaust gas temperature.

Keywords

1-Butanol

Diesel engine

Brake torque

Brake thermal efficiency

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Information

Publisher :The Korean Society Combustion
Publisher(Ko) :한국연소학회
Journal Title :Journal of The Korean Society Combustion
Journal Title(Ko) :한국연소학회지
Volume : 28
No :4
Pages :30-35
Received Date : 2023-11-25
Revised Date : 2023-12-18
Accepted Date : 2023-12-18
DOI :https://doi.org/10.15231/jksc.2023.28.4.030

Journal of The Korean Society CombustionISSN:1226-0959(Print) 2466-2089(Online)한국연소학회

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