Khalid Rashid, J.C.Pisharady, P.Balachandran
A preliminary CFD analysis is carried out for the flow and heat transfer in a typical deflector plate of a semicryogenic integrated engine test facility using the multi-purpose CFD++ code. Initially, a dry pit without water cooling is analysed followed by a water cooled pit and the salient features of the flow and heat transfer are brought out. The inner gas side wall temperatures are also obtained from the analysis and it is observed that considerable reduction in temperature is possible by injecting water from the deflector plate surface into the plume. A series of predictions are required further for various configurations, water flow rates and arrangement of cooling holes to arrive at the optimum configuration of the deflector pit and amount of minimum water flowrate for cooling the deflector pit to limit the gas side wall temperatures within the permissible limits to adopt the scheme for actual engine testing
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