Heat reduction mechanism of hypersonic spiked blunt body with installation angle at large angle of attack
Sign Up to like & getrecommendations! Published in 2019 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2019.07.003
Abstract: Abstract The spiked blunt body is usually adopted to reduce the aerodynamic heating of hypersonic vehicles. In this paper, the heat reduction mechanism of hypersonic spiked blunt body with installation angle at large angle of… read more here.
Keywords: angle attack; blunt body; body; installation angle ... See more keywords
Multi-objective design optimization of blunt body with spike and aerodisk in hypersonic flow
Sign Up to like & getrecommendations! Published in 2019 at "Aerospace Science and Technology"
DOI: 10.1016/j.ast.2019.04.030
Abstract: Abstract In order to reduce the aerodynamic drag and aerodynamic heating of the hypersonic blunt body, the aerodisk and spike are installed on the blunt body. In this paper, the influences of the aerodisk on… read more here.
Keywords: coefficient; aerodisk; method; blunt ... See more keywords
Parametric study on the heat transfer of a blunt body with counterflowing jets in hypersonic flows
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2017.12.115
Abstract: Abstract A quantified parametric study for the heat transfer acting on a hypersonic blunt body with counterflowing jets is presented. Three-dimensional turbulent Navier-Stokes equations are solved to simulate freestream-jet interactive flowfields. The freestream and jet… read more here.
Keywords: heat; blunt body; heat transfer; transfer ... See more keywords
Parameter study on drag and heat reduction of a novel combinational spiked blunt body and rear opposing jet concept in hypersonic flows
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2019.119236
Abstract: Abstract A novel combinational configuration is proposed for drag and heat reduction in this paper, the CFD numerical method is adopted to study its drag and heat reduction performance. The results show that the aerodisk… read more here.
Keywords: reattachment shock; blunt body; shock wave; shock ... See more keywords
Passive Control of Transonic Flow over a Blunt Body Using Aerospikes
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Spacecraft and Rockets"
DOI: 10.2514/1.a34668
Abstract: Blunt nose cones used in launch vehicles can excite buffet due to shock oscillations over the payload fairing on the leeward side at transonic Mach numbers and small angles of attack. Wind-tunnel t... read more here.
Keywords: control transonic; flow blunt; blunt; passive control ... See more keywords