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Energy Loss in Pulse Detonation Engine due to Fuel Viscosity

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  • Weipeng Hu
  • Zichen Deng
  • Gongnan Xie

Abstract

Fluid viscosity is a significant factor resulting in the energy loss in most fluid dynamical systems. To analyze the energy loss in the pulse detonation engine (PDE) due to the viscosity of the fuel, the energy loss in the Burgers model excited by periodic impulses is investigated based on the generalized multisymplectic method in this paper. Firstly, the single detonation energy is simplified as an impulse; thus the complex detonation process is simplified. And then, the symmetry of the Burgers model excited by periodic impulses is studied in the generalized multisymplectic framework and the energy loss expression is obtained. Finally, the energy loss in the Burgers model is investigated numerically. The results in this paper can be used to explain the difference between the theoretical performance and the experimental performance of the PDE partly. In addition, the analytical approach of this paper can be extended to the analysis of the energy loss in other fluid dynamic systems due to the fluid viscosity.

Suggested Citation

  • Weipeng Hu & Zichen Deng & Gongnan Xie, 2014. "Energy Loss in Pulse Detonation Engine due to Fuel Viscosity," Mathematical Problems in Engineering, Hindawi, vol. 2014, pages 1-5, May.
    • Handle: RePEc:hin:jnlmpe:735926
    DOI: 10.1155/2014/735926
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