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

Other Titles
Effects of Diesel/1-Butanol Fuel Blends on the Performance of a Diesel Engine
Authors
권재성김범수
Issue Date
Dec-2023
Publisher
한국연소학회
Keywords
1-Butanol; Diesel engine; Brake torque; Brake thermal efficiency
Citation
한국연소학회지, v.28, no.4, pp 30 - 35
Pages
6
Indexed
ESCI
KCI
Journal Title
한국연소학회지
Volume
28
Number
4
Start Page
30
End Page
35
URI
https://scholarworks.gnu.ac.kr/handle/sw.gnu/69077
DOI
10.15231/jksc.2023.28.4.030
ISSN
1226-0959
2466-2089
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.
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해양과학대학 > 기계시스템공학과 > Journal Articles

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