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Volume 17
Issue 7
10.3390/en17071754
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Article

Optimal Design for New Rotary Engine with Geometric Shape Functions on Combustion Chamber and Ports

by
Young-Jic Kim
,
Tae-Joon Park
,
Ji-Hyuck Yang
and
Chang-Eon Lee
*
Department of Mechanical Engineering, Inha University, Incheon 22212, Republic of Korea
*
Author to whom correspondence should be addressed.
Energies 2024, 17(7), 1754; https://doi.org/10.3390/en17071754
Submission received: 10 March 2024 / Revised: 31 March 2024 / Accepted: 3 April 2024 / Published: 6 April 2024
(This article belongs to the Special Issue Disruptive Solutions for Innovative Internal Combustion Engines and Advanced Combustion)
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Abstract

This study presents an optimal design for a new rotary engine. Instantaneous shape functions were applied to the combustion chamber, and intake and exhaust ports were derived based on the rotor and housing design functions; then optimized design parameters were derived for a rotary engine. The three main parameters were shape distance, eccentric distance and rotor thickness. The design process for the optimized internal shape was subsequently defined considering target specifications for the rotary engine, and a prototype engine was designed and fabricated with a 336 cm3 intake volume. The compression pressure for the prototype engine was compared with the motoring test and calculated. These outcomes confirmed the new engine’s feasibility, and the derived geometric shape functions will be helpful to ensure optimal design for rotary engines using one- or three-dimensional computational fluid dynamics.
Keywords: new rotary engine; geometric shape function; design parameter; housing and rotor; motoring test new rotary engine; geometric shape function; design parameter; housing and rotor; motoring test

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MDPI and ACS Style

Kim, Y.-J.; Park, T.-J.; Yang, J.-H.; Lee, C.-E. Optimal Design for New Rotary Engine with Geometric Shape Functions on Combustion Chamber and Ports. Energies 2024, 17, 1754. https://doi.org/10.3390/en17071754

AMA Style

Kim Y-J, Park T-J, Yang J-H, Lee C-E. Optimal Design for New Rotary Engine with Geometric Shape Functions on Combustion Chamber and Ports. Energies. 2024; 17(7):1754. https://doi.org/10.3390/en17071754

Chicago/Turabian Style

Kim, Young-Jic, Tae-Joon Park, Ji-Hyuck Yang, and Chang-Eon Lee. 2024. "Optimal Design for New Rotary Engine with Geometric Shape Functions on Combustion Chamber and Ports" Energies 17, no. 7: 1754. https://doi.org/10.3390/en17071754

APA Style

Kim, Y.-J., Park, T.-J., Yang, J.-H., & Lee, C.-E. (2024). Optimal Design for New Rotary Engine with Geometric Shape Functions on Combustion Chamber and Ports. Energies, 17(7), 1754. https://doi.org/10.3390/en17071754

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