Accession Number:

AD0429309

Title:

STUDY OF HYPERSONIC CONTAMINATED WAKE BY AN EXACT NUMERICAL SOLUTION,

Descriptive Note:

Corporate Author:

GENERAL ELECTRIC CO PHILADELPHIA PA MISSILE AND SPACE DIV

Personal Author(s):

Report Date:

1963-12-01

Pagination or Media Count:

30.0

Abstract:

A theoretical study is presented of hypersonic wake with and without contaminants. The nonlinear coupling equations of gas dynamics and chemical kinetics are solved numerically by a finite-difference scheme. Typical calculations of laminar and turbulent non-equilibrium wake are shown for a slender body with square root of C sub D A approximately equal to 10 cm. The results indicate that the air system and the air-plus-sodium system are in non-equilibrium at the altitude of 100,000 ft. This non-equilibrium characteristic may exist at even lower altitudes. The effects of sodium on the electron concentration are important. Since the deionization processes of sodium are relatively slow, the sodium-contaminated wake has a longer electron trail. Author

Subject Categories:

Distribution Statement:

APPROVED FOR PUBLIC RELEASE