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- W2808555831 abstract "Reduction of aerodynamic heating is a critical issue for the development of the hypersonic vehicles. In this study, a computational fluid dynamic is applied to study the effect of location of coolant jet in the vicinity of the aerodome on the heat reduction of the nose cone at M = 5. In addition, the influence of the gas types (Air, He and CO2) on the cooling performance is investigated. This research mainly focused the flow feature and mass distributions of various coolant jets. In order to study these effects, a two-dimensional model with spike is chosen to simulate the various shocks in the vicinity of the nose cone. The effect of significant parameters is studied by using the Reynolds-averaged Navier–Stokes equations with Menter's Shear Stress Transport (SST) turbulence model. Results show that the injection of the coolant gas from the top of aerodome significantly decreases the heat load on the nose cone. In addition, injection of the coolant jet from the top is more efficient on the recirculation region on the top of spike. The obtained results reveal that the injection of coolant from the front of the aerodome does not reduce the heat load substantially. In addition, the cooling performance of helium jet as the lateral jet is 15% more than other gases." @default.
- W2808555831 created "2018-06-21" @default.
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- W2808555831 date "2018-10-01" @default.
- W2808555831 modified "2023-10-14" @default.
- W2808555831 title "The influence of coolant jet direction on heat reduction on the nose cone with Aerodome at supersonic flow" @default.
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- W2808555831 doi "https://doi.org/10.1016/j.actaastro.2018.06.026" @default.
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