Volume 33 Issue 1
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Prediction theory and validation of shock train in variable section duct[J]. Journal of Aerospace Power, 2018, 33(1): 131-136. doi: 10.13224/j.cnki.jasp.2018.01.016
Citation: Prediction theory and validation of shock train in variable section duct[J]. Journal of Aerospace Power, 2018, 33(1): 131-136. doi: 10.13224/j.cnki.jasp.2018.01.016
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Prediction theory and validation of shock train in variable section duct

doi: 10.13224/j.cnki.jasp.2018.01.016
  • Received Date: 2016-06-14
  • Publish Date: 2018-01-28
    Abstract
  • The effect of wall heat transfer and variable section cant be analyzed in the current prediction theory of shock train in the straight pipe. Therefore,theoretical analysis model of shock train considering the effect of wall temperature, boundary layer separation and variable section was developed, and the result was compared with the experimental data. The study showed that this model can quickly calculate the isolator parameters change along the axial direction and the error in predicting the leadingedge of shock train was within 26%. Whats more, the theoretical analysis and numerical simulation of shock train in the varialle section duct were studied, indicating that the difference of analytical and numerical solutions was 11%.

     

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