가솔린 엔진에서 연료 분사량 및 오일 온도에 따른 피스톤 마찰손실 특성 연구Study on the Characteristics of Piston Friction Losses for Fuel Injected Mass and Oil Temperature in a Gasoline Engine
- Other Titles
- Study on the Characteristics of Piston Friction Losses for Fuel Injected Mass and Oil Temperature in a Gasoline Engine
- Authors
- 강종대; 조진우; 박성욱
- Issue Date
- Sep-2022
- Publisher
- 한국분무공학회
- Keywords
- Gasoline engine(가솔린 엔진); Lubricant friction(윤활마찰); Combustion pressure(연소압); Oil temperature (오일 온도)
- Citation
- 한국분무공학회지, v.27, no.3, pp.161 - 166
- Indexed
- KCI
- Journal Title
- 한국분무공학회지
- Volume
- 27
- Number
- 3
- Start Page
- 161
- End Page
- 166
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/189569
- DOI
- 10.15435/JILASSKR.2022.27.3.161
- ISSN
- 1226-2277
- Abstract
- To measure the change in friction loss due to the control of fuel mass and oil temperature in a gasoline engine, the floating liner method was used to measure the friction generated by the piston of a single-cylinder engine. First, to check the effect of combustion pressure on friction, the friction loss was measured by adjusting the fuel mass. It was confirmed that the friction loss increased as the fuel mass increased under the same lubrication conditions. In addition, it was confirmed that the mechanical efficiency decreased as the fuel mass increased. Next, to check the effect of lubrication conditions on friction, the friction loss was measured by controlling the oil temperature. It was confirmed that friction loss increased as the oil temperature decreased at the same fuel mass. As the oil temperature decreases, the viscosity increases, resulting in decreased mechanical efficiency and increased friction loss.
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