Thermodynamics and Energy


Comments on “Aerodynamic Drag Reduction by Heat Addition Into the Shock Layer for a Large Angle Blunt Cone in Hypersonic Flow” [physics of Fluids 20, 081703 (2008)]

Authors: Anbuselvan K.K.N.

The article1 showed a 47% drag reduction and 18% increase in shock stand-off distance with chromium coated surface whereas A.M. Tahsini2 performed numerical simulations of Kulkarni et al.1 work and found a large discrepancy (>50%) with the experimental results. The reason for the discrepancy is found in this comments to be improper data analysis of the experimental drag signals.

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[v1] 2019-03-30 07:56:42

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