Establishment of a Two-Stage Turbocharging System Model and Analysis on Influence Rules of Key Parameters

Wei Tian, Defeng Du, Juntong Li, Zhiqiang Han and Wenbin Yu
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Wei Tian: Vehicle Measurement, Control and Safety Key Laboratory of Sichuan Province, Xihua University, Chengdu 610039, China
Defeng Du: Vehicle Measurement, Control and Safety Key Laboratory of Sichuan Province, Xihua University, Chengdu 610039, China
Juntong Li: Fluid and Power Machinery Key Laboratory of Ministry of Education, Xihua University, Chengdu 610039, China
Zhiqiang Han: Fluid and Power Machinery Key Laboratory of Ministry of Education, Xihua University, Chengdu 610039, China
Wenbin Yu: Department of Mechanical Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117576, Singapore

Energies, 2020, vol. 13, issue 8, 1-20

Abstract: This paper took a two-stage turbocharged heavy-duty six-cylinder diesel engine as the research object and established a two-stage turbocharging system matching model. The influence rules between the two-stage turbocharging key parameters were analyzed, while summarizing an optimization method of key parameters of a two-stage turbocharger. The constraint equations for the optimal distribution principle of the two-stage turbocharger’s pressure ratio and expansion ratio were proposed. The results show that when the pressure ratio constraint equation and expansion ratio constraint equation are satisfied, the diesel engine can achieve the target pressure ratio, while the total energy consumption of the turbocharger is the lowest.

Keywords: two-stage turbocharger; pressure ratio; expansion ratio; matching model constraint equation (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (3)

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