Development of a New-Concept Supercharged Single-Cylinder Engine for Race Car

Chuanxue Song, Gangpu Yu, Shuai Yang, Ruoli Yang, Yi Sun and Da Wang
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Chuanxue Song: State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China
Gangpu Yu: State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China
Shuai Yang: State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China
Ruoli Yang: State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China
Yi Sun: State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China
Da Wang: State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun 130022, China

Energies, 2020, vol. 13, issue 14, 1-37

Abstract: This article summarises the development and experience of the Formula Student race car engine from 2018. According to the technical rules of Formula Student after the change in 2017, this engine adopts a new design concept, employs a 690-mL single-cylinder engine as the base, and applies ‘response enhancement technology’ with supercharging as the core to achieve a high-power output, a wide high-torque range and an excellent response capability. During the development, various studies on the dynamic performance of the vehicle and the engine were conducted, including vehicle dynamics analysis and track simulation, parameter matching of the supercharger and the engine, control strategy design, and the intake and exhaust system design. This research builds a supercharger air flow and efficiency test bench and an engine performance test bench. Test results show that the developed engine can output 122% of the original power and 120% of the original torque with a 20-mm diameter intake restrictor. Compared with previous generation race cars with a turbocharged four-cylinder engine, the new race car‘s 0–100 km/h acceleration time is shortened by 0.2 s, the torque response time under typical condition is shortened by 80%, and the lap time of the integrated circuit is reduced by 7%.

Keywords: race car dynamics; Formula Student; engine; supercharging; intake system; exhaust system (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
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