RT Journal Article ID 3038a51d0e81bdb8 A1 Wu, Yifei A1 Zou, Zhengping A1 Fu, Chao A1 Zhang, Weihao T1 NUMERICAL STUDY OF POROUS BLUNT NOSECONE TRANSPIRATION COOLING UNDER SUPERSONIC INCOMING FLOW JF Journal of Porous Media JO JPM YR 2017 FD 2017-10-23 VO 20 IS 7 SP 607 OP 618 K1 transpiration cooling K1 porous blunt nosecone K1 supersonic incoming flow K1 injection rate K1 numerical simulations AB The study is focused on the porous blunt nosecone transpiration cooling process under supersonic incoming flow conditions using a two-domain approach based on the preconditioned density-based algorithm. The protection mechanism of blunt nosecone transpiration cooling and the effects of coolant injection rate on transpiration cooling performance are discussed. Results indicate that the bowshock is pushed off the wall by coolant injection and the boundary layer becomes thicker. The effect becomes increasingly obvious with increasing injection rate. Transpiration cooling can protect the downstream noncooling wall. With increasing coolant injection rate, the increase in the cooling effect at the leading edge is larger than that at the noncooling area downstream. Transpiration cooling performs better and skin friction is reduced, but the pressure drop for porous domains increases. PB Begell House LK https://www.dl.begellhouse.com/journals/49dcde6d4c0809db,3e12bf2879e33e61,3038a51d0e81bdb8.html