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Parametric Numerical Analysis of β -Type Stirling Engine

Author

Listed:
  • George-Rafael Domenikos

    (Laboratory of Applied Thermodynamics, Mechanical Engineering School, National Technical University of Athens, Heroon Polytecheiou 9, 15780 Zografou, Athens, Greece)

  • Irene Koronaki

    (Laboratory of Applied Thermodynamics, Mechanical Engineering School, National Technical University of Athens, Heroon Polytecheiou 9, 15780 Zografou, Athens, Greece)

  • Theodoros Papingiotis

    (Laboratory of Applied Thermodynamics, Mechanical Engineering School, National Technical University of Athens, Heroon Polytecheiou 9, 15780 Zografou, Athens, Greece)

  • Panagiotis Bitsikas

    (Laboratory of Applied Thermodynamics, Mechanical Engineering School, National Technical University of Athens, Heroon Polytecheiou 9, 15780 Zografou, Athens, Greece)

Abstract

This paper presents a parametric analysis of a β -type Stirling engine, focusing on the impact of various rotational speeds. The investigation employs a three-dimensional computational fluid analysis model. The study places emphasis on monitoring and understanding the temperature variations across the primary components of the engine, including the regenerator, heater, and cooler. The full apparatus is designed and simulated, acquiring the results for its energy output and thermal behavior.Using this CFD model, parameterization optimization is presented, aiming to establish the best conditions for the engine and regenerator efficiencies. Utilizing the results of the behavior of the machine, a correlation between the Nusselt and Reynolds numbers with regard to the rotational speeds is produced, giving a further understanding of the conduct of the working medium in the system.

Suggested Citation

  • George-Rafael Domenikos & Irene Koronaki & Theodoros Papingiotis & Panagiotis Bitsikas, 2023. "Parametric Numerical Analysis of β -Type Stirling Engine," Energies, MDPI, vol. 16(18), pages 1-14, September.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:18:p:6518-:d:1236751
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    References listed on IDEAS

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    1. Chin-Hsiang Cheng & Duc-Thuan Phung, 2021. "Numerical Optimization of the β-Type Stirling Engine Performance Using the Variable-Step Simplified Conjugate Gradient Method," Energies, MDPI, vol. 14(23), pages 1-14, November.
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