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DSMC - Hypersonic flow around a 70° Cone (Axisymmetric)

  • Simulation of a hypersonic N2 flow around a 70° blunted cone at M = 20
  • Test case based on Allègre, J., Bisch, D., & Lengrand, J. C. (1997). Experimental Rarefied Heat Transfer at Hypersonic Conditions over 70-Degree Blunted Cone. Journal of Spacecraft and Rockets, 34(6), 724–728. https://doi.org/10.2514/2.3302
  • Comparison of the heat flux with a reference surface state file, which was compared to the experimental values from publication mentioned above (first 4 thermocouples)
  • The wake of the heat shield was not included due to strong fluctuations and long sampling duration prohibiting the use of the test case as a regression test
  • Additionally, properties of impacting particles are sampled and tested: impact energy (trans, rot, vib), angle and number of impacts