Accession Number:

AD0829161

Title:

STAGNATION POINT HEAT TRANSFER FROM A VISCOUS NONGRAY RADIATING SHOCK LAYER, INCLUDING THE APPLICABILITY OF STEP MODEL ABSORPTION COEFFICIENTS AND SENSITIVITY TO UNCERTAINTIES IN TRANSPORT PROPERTIES.

Descriptive Note:

Final rept.,

Corporate Author:

NAVAL ORDNANCE LAB WHITE OAK MD

Personal Author(s):

• Anderson, John D., Jr

Report Date:

1967-11-06

Pagination or Media Count:

52.0

Abstract:

Results are presented for several numerical experiments using an analysis of the viscous radiating stagnation region shock layer and stagnation point heat transfer. A simple step model absorption coefficient, rationally constructed from existing quantum mechanical calculations, is shown to accurately predict shock layer nongray continuum radiative heat transfer in comparison to results obtained with detailed spectral absorption coefficients. Sensitivity of the heat transfer to uncertainties in gas radiative and transport properties is also examined, as well as the effect of artificially increased absorption in the boundary layer. Author

Descriptors:

• *HEAT TRANSFER
• *REENTRY VEHICLES
• *SHOCK WAVES
• ATMOSPHERE ENTRY
• HEAT TRANSFER
• STAGNATION POINT
• SHOCK WAVES
• VISCOSITY
• TRANSPORT PROPERTIES
• ABSORPTION
• BLUNT BODIES
• SENSITIVITY
• PLASMAS(PHYSICS)
• UNCERTAINTY
• MATHEMATICAL MODELS
• BOUNDARY LAYER
• THERMAL RADIATION
• INFRARED SPECTRA
• ULTRAVIOLET SPECTRA
• VISIBLE SPECTRA

Subject Categories:

• Fluid Mechanics
• Thermodynamics
• Unmanned Spacecraft

Distribution Statement:

APPROVED FOR PUBLIC RELEASE