Using wallheatflux to calculate heat fluxes on cylinder -- CFD Online Discussion Forums

January 10, 2015, 09:26	Using wallheatflux to calculate heat fluxes on cylinder	#1
Le0nid New Member Join Date: Jan 2015 Posts: 1 Rep Power: 0	Hi everyone I am trying to simulate a 2D hypersonic flow around cylinder (using rhoCentralFoam) based on the experimental data presented in “STUDIES OF AEROTHERMAL LOADS GENERATED IN REGIONS OF SHOCK/SHOCK INTERACTION IN HYPERSONIC FLOW” paper (Run 40). Although excellent agreement with experimental data in terms of wall pressure was obtained, the wall heat flux values (calculated using wallheatflux utility) turned out to be 1.5 times smaller. This is a large error considering the fact that the boundary layer was laminar in the experiment. Anybody had similar problems with wallheatflux? Calorically perfect air with viscosity described by Sutherland's law and Pr=0.72 was used. EDIT: problem is solved. Last edited by Le0nid; January 12, 2015 at 08:48.

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