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Experimental performance scaling of rotating detonation engines operated on gaseous fuels

机译：使用气体燃料的旋转爆震发动机的实验性能定标

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摘要

Thrust stand testing is conducted on rotating detonation engines of various annular detonation channel widths and the impact of different scaling parameters on the performance of the devices is discussed.Afocus is given in this work to identifying the relationship between the appropriate flow variables to facilitate comparison between geometries and the experimentally obtained specific impulses and specific thrusts, as well as an examination of stagnation pressure usage, through corrected thrust.Atradeoff space is found in the performance of the engines in which the fuel efficiency and effective usage of feed stagnation pressure can be exchanged. Operation on both hydrogen and gaseous hydrocarbon fuel is presented. A comparison is made between the resulting propulsive performances found for similar rotating detonation engine geometries.
机译：在各种环形爆震通道宽度的旋转爆震发动机上进行了推力试验，并讨论了不同缩放参数对设备性能的影响。本文着重于确定合适的流量变量之间的关系，以方便进行比较。几何形状和实验获得的特定脉冲和特定推力，以及通过校正推力检查停滞压力的使用。在发动机的性能中找到了一个折衷的空间，在该空间中可以交换燃油效率和进料停滞压力的有效使用。介绍了氢和气态碳氢燃料的运行。在发现的类似旋转爆震发动机几何形状的推进性能之间进行了比较。

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  • 来源
    《Journal of propulsion and power》 |2017年第5期|1187-1196|共10页
  • 作者

    Fotia Matthew L.; Hoke John L.; Schauer Frederick R.;

  • 作者单位

    Innovative Scientific Solutions, Inc., Dayton, OH, United States;

    Innovative Scientific Solutions, Inc., Dayton, OH, United States;

    U.S. Air Force Research Laboratory, Wright-Patterson Air Force Base, OH, United States;

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