Numerical simulation of the nozzle angle effect on PDE performance

Zhiwu Wang, Kun Zhang, Longxi Zheng, Jie Lu, Yang Zhang

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

In order to investigate the effects of nozzles with different angles on PDE performance, PDE with nozzles of different convergent and divergent angles was simulated and propane-air mixture was used. The simulation results indicated that the effects of nozzles with different angles on PDE performance were not the same. While a series of expansion wave appeared earlier in the outlet of the convergent nozzle, the gas expanded perfect in the outlet of the divergent nozzle. For the PDE with convergent nozzle, the thrust augmentation was always positive no matter how the convergent angle changed. For the PDE with a divergent nozzle, there was a thrust loss with a divergent angle of over 9°. When the nozzle convergent angle was 9°, PDE obtained the highest performance.

Original languageEnglish
Pages (from-to)456-461
Number of pages6
JournalXibei Gongye Daxue Xuebao/Journal of Northwestern Polytechnical University
Volume33
Issue number3
StatePublished - 1 Jun 2015

Keywords

  • Compute Simulation
  • Convergent angle
  • Divergent angle
  • Nozzle
  • Pulse detonation engines

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