Author: Alvin L. MurrayPublisher:
ISBN:
Category : Boundary layer (Meteorology)
Languages : en
Pages : 92
Book Description
An implicit finite-difference method was used to solve the compressible boundary-layer equations, and to study the effects of mass transfer through porous plates, slots, and a combination of the two. The effects of the external pressure field were also included by using a global pressure interaction scheme. Two different eddy viscosity models were used for the slot and slot-porous combination cases: one was a two-layer model with inner and outer laws, and the other was a multi-layer model with as many as five separate layers. Results of the present method were compared with experimental data at a Mach number of 2.8. Comparisons of the skin friction reduction and Mach number profiles gave good to excellent agreement. Pressure interaction had little effect on the slot injection skin friction but increased the skin friction of the porous and slot-porous combination markedly.
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Author: United States. National Aeronautics and Space Administration
Author: Environmental Science Information Center. Library and Information Services Division
Author: Environmental Science Information Center. Library and Information Services Division
Author: United States. National Aeronautics and Space Administration Scientific and Technical Information Division
Author: United States. National Aeronautics and Space Administration. Scientific and Technical Information Division