Magnetohydrodynamic Control of Hypersonic Separation Flows | Zendy

Shichao Luo | Zendy; Jun Liu | Zendy; Hao Jiang | Zendy; Junyuan Wang | Zendy

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Magnetohydrodynamic Control of Hypersonic Separation Flows

Author(s) -

Shichao Luo,

Jun Liu,

Hao Jiang,

Junyuan Wang

Publication year - 2021

Publication title -

international journal of aerospace engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.361

H-Index - 22

eISSN - 1687-5974

pISSN - 1687-5966

DOI - 10.1155/2021/6652795

Subject(s) - magnetohydrodynamic drive , magnetohydrodynamics , mechanics , lorentz force , hypersonic speed , flow separation , boundary layer , laminar flow , physics , joule heating , flow (mathematics) , flow control (data) , angle of attack , aerospace engineering , classical mechanics , magnetic field , aerodynamics , engineering , quantum mechanics , telecommunications

Magnetohydrodynamic (MHD) control of hypersonic laminar separation flows is investigated in this paper. A series of numerical simulations over various geometry configurations, namely, a compression corner and a double wedge ramp hypersonic inlet, have been conducted by application of an external electromagnetic field. Results show that the performance of MHD separation flow control is mainly determined by flow acceleration of the Lorentz force directed in the streamwise direction. The Joule heating term always brings negative effects on the MHD separation flow control and increased the static pressure locally, where the electromagnetic field is applied. With an external electromagnetic field applied, the low velocity fluid in the boundary layer can be accelerated. Moreover, there exists a best location for the MHD zone to be applied and completely eliminate the separation of the flow from the surface.

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