Accession Number : AD0681268

Title :   APPLICATION OF THE METHOD OF CHARACTERISTICS FOR THE CALCULATION OF FLOW AROUND BLUNTED CONES BY A SUPERSONIC STREAM OF AIR,

Corporate Author : FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO

Personal Author(s) : Gzhelyak,R. A. ; Dubinskaya,N. V.

Report Date : 24 MAY 1968

Pagination or Media Count : 13

Abstract : This article deals with the application of the method of characteristics to calculations of a supersonic region of the flow near a blunt body, and is based on the available data obtained from the detailed analyses of dissociation and ionization processes taking place behind a shock wave. Boundary conditions on the body and shock wave are used in the form which coincides with the case of a perfect gas with constant heat capacities, because all physicochemical processes are considered frozen when passing through a shock front. Calculations of the flow field between the body and shock wave were carried out progressively by regions bounded by the reflected characteristics. The results of the calculations of the air flow past blunt cones are presented as an illustrative example and are compared with those for an equilibrium flow. The comparison of pressure and density distributions along blunt cones is presented in graphical form.

Descriptors :   (*BLUNT BODIES, *SUPERSONIC FLOW), FLOW FIELDS, SHOCK WAVES, PARTIAL DIFFERENTIAL EQUATIONS, DISSOCIATION, GAS IONIZATION, USSR

Subject Categories : Fluid Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE