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Mach Number Determination in a High-Enthalpy Supersonic Arc-Heated Plasma Wind Tunnel

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In this experimental study, an intrinsic flow diagnostic technique involving a wedge probe is studied in a 0.4 MW class arc-jet plasma wind tunnel. The main objectives of this study are… Click to show full abstract

In this experimental study, an intrinsic flow diagnostic technique involving a wedge probe is studied in a 0.4 MW class arc-jet plasma wind tunnel. The main objectives of this study are to determine the Mach number of flow achieved in the plasma wind tunnel when operated under a typical operating condition using the experimental data obtained from the above-mentioned experimental technique and to perform comparative analysis with theoretically calculated results for the same operating conditions. Total specific enthalpy was determined using simple, yet efficient energy balance method. From total specific enthalpy, other vital flow parameters were estimated.

Keywords: mach number; wind tunnel; plasma wind; enthalpy

Journal Title: International Journal of Aeronautical and Space Sciences
Year Published: 2019

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