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The Potential of Wobble Plate Opposed Piston Axial Engines for Increased Efficiency

Author

Listed:
  • Paweł Mazuro

    (Department of Aircraft Engines, Faculty of Power and Aeronautical Engineering, Warsaw University of Technology, 00-665 Warsaw, Poland)

  • Barbara Makarewicz

    (Department of Aircraft Engines, Faculty of Power and Aeronautical Engineering, Warsaw University of Technology, 00-665 Warsaw, Poland)

Abstract

Recent announcements regarding the phase out of internal combustion engines indicate the need to make major changes in the automotive industry. Bearing in mind this innovation trend, the article proposes a new approach to the engine design. The aim of this paper is to shed a new light on the forgotten concept of axial engines with wobble plate mechanism. One of their most important advantages is the ease of use of the opposed piston layout, which has recently received much attention. Based on several years of research, the features determining the increase in mechanical efficiency, lower heat losses and the best scavenging efficiency were indicated. Thanks to the applied Variable Compression Ratio (VCR), Variable Angle Shift (VAS) and Variable Port Area (VPA) systems, the engine can operate on various fuels in each of the Spark Ignition (SI), Compression Ignition (CI) and Homogeneous Charge Compression Ignition (HCCI)/Controlled Auto Ignition (CAI) modes. In order to quantify the potential of the proposed design, an initial research of the newest PAMAR 4 engine was presented to calculate the torque curve at low rotational speeds. The achieved torque of 500 Nm at 500 rpm is 65% greater than the maximum torque of the OM 651 engine of the same 1.8 L capacity. The findings lead to the conclusion that axial engines are wrongfully overlooked and can significantly improve research on new trends in pollutant elimination.

Suggested Citation

  • Paweł Mazuro & Barbara Makarewicz, 2020. "The Potential of Wobble Plate Opposed Piston Axial Engines for Increased Efficiency," Energies, MDPI, vol. 13(21), pages 1-22, October.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:21:p:5598-:d:435041
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    References listed on IDEAS

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    1. Jorge Martins & F. P. Brito, 2020. "Alternative Fuels for Internal Combustion Engines," Energies, MDPI, vol. 13(16), pages 1-34, August.
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