Joint computational/experimental aerodynamics research on a reentry vehicle

Conference · Mon Jan 01 04:00:00 EST 1990

OSTI ID:6529189

Oberkampf, W L; Aeschliman, D P

Although computational aerodynamics simulation has been taking more responsibility during recent years, wind tunnel experimentation has continued to play the major role in flight vehicle analysis and design.This role, however, is changing because of the great strides in the capability and confidence in numerical simulations. For a small, well defined, class of supersonic and hypersonic flow problems, high quality numerical solutions are now believed to represent the physics of the problem more accurately than a wind tunnel experimental can simulate the free flight conditions. An example of this is the supersonic or hypersonic, laminar, perfect gas flow over a spherically blunted cone at low angle of attack. In this paper, aerodynamic force and moment measurements and flow visualization results are presented for a reentry vehicle configuration at Mach 8. All of the results were obtained in the Sandia Mach 8 long duration, blow-down, hypersonic wind tunnel. The basic vehicle configuration is a spherically blunted cone with a slice parallel with the axis of the vehicle. Onto the slice portion of the vehicle can be attached flaps with three different deflection angles, 10, 20 and 30 deg. Flow visualization results include surface oil flow, spark Schlieren, and liquid crystal photographs. 1 ref., 7 figs.

• Research Organization: Sandia National Labs., Albuquerque, NM (USA)
• Sponsoring Organization: DOE/DP
• DOE Contract Number: AC04-76DP00789
• OSTI ID: 6529189
• Report Number(s): SAND-90-1384C-Pt.1; CONF-910117--1-Pt.1; ON: DE90012759
• Country of Publication: United States
• Language: English

Related Subjects

42 ENGINEERING
420400* -- Engineering-- Heat Transfer & Fluid Flow
99 GENERAL AND MISCELLANEOUS
990200 -- Mathematics & Computers
AERODYNAMICS
COMPUTER CALCULATIONS
COMPUTER CODES
COMPUTERIZED SIMULATION
DATA
DIFFERENTIAL EQUATIONS
EQUATIONS
EXPERIMENTAL DATA
FLOW MODELS
FLOW VISUALIZATION
FLUID FLOW
FLUID MECHANICS
HYPERSONIC FLOW
INFORMATION
MATHEMATICAL MODELS
MECHANICS
NAVIER-STOKES EQUATIONS
NUMERICAL DATA
NUMERICAL SOLUTION
PARTIAL DIFFERENTIAL EQUATIONS
REENTRY VEHICLES
S CODES
SIMULATION
SPACE VEHICLES
SUPERSONIC FLOW
TUNNELS
UNDERGROUND FACILITIES
VEHICLES
WIND TUNNELS