机电液辅助增压技术的发展及应用分析(一)

Development and Application Analysis of Mechanically/ Electrically/Hydraulically-Assisted Boosting Technology(Part Ⅰ)

增压技术推动了往复活塞式发动机的发展,随着新技术、新材料、新工艺的综合应用和机电一体化的发展,涌现了许多新型增压技术。本研究从分析增压技术发展趋势入手,对增压技术的未来发展作了预测性分析,提出了未来增压发展的技术特征;通过跟踪机械增压、电动增压、电辅助增压、液力驱动机械增压等几种离心式辅助增压技术的发展,研究了机、电、液、气4种能量形态耦合驱动的应用特点,研究了不同型式增压器的复合应用特点,比较了这几种增压型式的技术特点;对大功率、大排量车用发动机的应用可行性进行了分析。

Boosting technology promoted the development of ICE in past decades.With the development of electromechanical integration and the integrated application of new technology,new material and new technique,many new boosting technologies emerged.The development trend of ICE boosting technology was first analyzed,the prediction of future development for boosting technology was then conducted and the future technology characters were presented.The assistant boosting technologies of centrifugal compressor such as mechanical boosting,electrical boosting,electrically-assisted boosting and hydraulically-drived mechanical boosting were tracked and discussed.Furthermore,the application characteristics of mechanical,electrical,hydraulic and pneumatic energy were analyzed,the characteristics of different composite forms for supercharger were studied and their technology features were compared.In the end,the feasibility of new boosting application to high power density and large displacement engine were presented.