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Dynamic Characteristics and Demonstration of an Integrated Linear Engine Generator with Alternative Electrical Machines

Author

Listed:
  • Ramin Moeini Korbekandi

    (School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, UK)

  • Nick J. Baker

    (School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, UK)

  • Mehmet C. Kulan

    (School of Engineering, Newcastle University, Newcastle upon Tyne NE1 7RU, UK)

  • Aslan S. Jalal

    (Department of Electrical Engineering, College of Engineering, University of Baghdad, Baghdad 10001, Iraq)

  • Dawei Wu

    (Department of Mechanical Engineering, University of Birmingham, Birmingham B15 2TT, UK)

  • Mingqiang Li

    (Department of Mechanical Engineering, University of Birmingham, Birmingham B15 2TT, UK)

Abstract

A linear engine generator with a compact double-acting free piston mechanism allows for full integration of the combustion engine and generator, which provides an alternative chemical-to-electrical energy converter with a higher volumetric power density for the electrification of automobiles, trains, and ships. This paper aims to analyse the performance of the integrated engine with alternative permanent magnet linear tubular electrical machine topologies using a coupled dynamic model in Siemens Simcenter software. Two types of alternative generator configurations are compared, namely long translator-short stator and short translator-long stator linear machines. The dynamic models of the linear engine and linear generator, validated with lab-scale prototypes, are applied to investigate the influence of alternative topologies of the generator on system performance. The coupled model will facilitate the early design phase and reveal the optimal match of the key parameters of the engine and generator. Then, experimental tests on an integrated compressor cylinder-generator prototype were successfully performed, and it is shown that this concept is feasible and electrical power and compressed working fluid, such as air, can be generated by this prototype.

Suggested Citation

  • Ramin Moeini Korbekandi & Nick J. Baker & Mehmet C. Kulan & Aslan S. Jalal & Dawei Wu & Mingqiang Li, 2022. "Dynamic Characteristics and Demonstration of an Integrated Linear Engine Generator with Alternative Electrical Machines," Energies, MDPI, vol. 15(14), pages 1-20, July.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:14:p:5295-:d:868198
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    References listed on IDEAS

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    1. Ngwaka, Ugochukwu & Jia, Boru & Lawrence, Christopher & Wu, Dawei & Smallbone, Andrew & Roskilly, Anthony Paul, 2019. "The characteristics of a Linear Joule Engine Generator operating on a dry friction principle," Applied Energy, Elsevier, vol. 237(C), pages 49-59.
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    Cited by:

    1. Li, Mingqiang & Ngwaka, Ugochukwu & Moeini Korbekandi, Ramin & Baker, Nick & Wu, Dawei & Tsolakis, Athanasios, 2023. "A closed-loop linear engine generator using inert gases: A performance and exergy study," Energy, Elsevier, vol. 281(C).

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