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- Title
Hypersonic Nonequilibrium Flow around a Sharp Edge.
- Authors
Ankudinov, A. L.
- Abstract
We formulate a regularized problem to describe the flow of a molecular gas in a hypersonic macrokinetic nonequilibrium thin viscous shock layer (kinetic TVSL) near a sharp edge. It is shown that the solution to the regularized problem of a kinetic TVSL on a sharp edge in terms of friction and heat transfer coincides with the solution of a similar TVSL problem in the Navier–Stokes formulation. It is shown that near the sharp edge the friction stress and normal wall heat flow in the kinetic TVSL are identical to the corresponding TVSL values for the Navier–Stokes model. We point out the similarity of flows near a sharp edge in the kinetic TVSL and Navier–Stokes formulations. We suggest a method for constructing a solution to the kinetic TVSL problem near a sharp edge based on the TVSL solution within the Navier–Stokes model. A formula is obtained for calculating the surface pressure in a kinetic TVSL flow near a sharp edge from the components of the (wall) solution of the TVSL problem obtained for the Navier–Stokes model.
- Subjects
NONEQUILIBRIUM flow; HYPERSONIC flow; SURFACE pressure; HEAT transfer; FRICTION
- Publication
Fluid Dynamics, 2023, Vol 58, Issue 6, p1199
- ISSN
0015-4628
- Publication type
Article
- DOI
10.1134/S0015462823602164