루츠식 수퍼차저의 과급 특성
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The objective of present work is to investigate the performance characteristics of three-lobe Roots type supercharger for the applications of low-compression and high-expansion ratio gasoline engine. A performance test was conducted to obtain the drive power. volumetric efficiency. adiabatic efficiency and the influence of performance factors of supercharger. In order to analyze the supercharging characteristics. the experiments are made on operating parameters such as the supercharger speed. pressure ratio and inlet temperature on the supercharging performance of the Roots type supercharger. Based on experimental results. the drive power and now rate of supercharger increased with supercharger speed.