An Analysis of Variable Compression Ratio Engine

Variable compression ratio;Forced induction;Turbocharger;VCR;Mechanical engineering;Mechanical Engineering, College of Engineering and Computer Science

Mitchell, Andrew MaxfieldZhang, Yi ;

University of Michigan

关键词: Variable compression ratio;    Forced induction;    Turbocharger;    VCR;    Mechanical engineering;    Mechanical Engineering, College of Engineering and Computer Science;   

Others  :  https://deepblue.lib.umich.edu/bitstream/handle/2027.42/140732/The%20Variable%20Compression%20Ratio%20Engine%20%28revision%202%29.pdf?sequence=1&isAllowed=y

瑞士|英语

来源: The Illinois Digital Environment for Access to Learning and Scholarship

【 摘 要 】

The variable compression ratio engine presents several advantages to efficiency and power density.Atlow poweroutput,theenginecanbemadetooperateasahighcompressionrationaturally aspirated engine.When high power output is demanded, the engine can be made to operate as a lowcompressionratioheavilyboostedengine.Thetremendouspowerdensity potentialalso presentstheenginedesignerwithalargeopportunityfordisplacementdownsizingwhilestill meeting power requirements for the application.