Ultra-High Pressure Driver and Nozzle Survivability in the RDHWT/MARIAH II Hypersonic Wind Tunnel

Conference · Fri Jun 02 00:00:00 EDT 2000

DOI:https://doi.org/10.2514/6.2000-2275· OSTI ID:791325

Costantino, M; Brown, G; Raman, K; Miles, R; Felderman, J

An ultra-high pressure device provides a high enthalpy (> 2500 kJ/kg), low entropy (< 5 kJ/kg-K) air source for the RDHWT/MARIAH II Program Medium Scale Hypersonic Wind Tunnel. The design uses stagnation conditions of 2300 MPa (330,000 Psi) and 750 K (900 F) in a radial configuration of intensifiers around an axial manifold to deliver pure air at 100 kg/s mass flow rates for run times suitable for aerodynamic, combustion, and test and evaluation applications. Helium injection upstream of the nozzle throat reduces the throat wall recovery temperature to about 1200 K and reduces the oxygen concentration at the nozzle wall.

• Research Organization: Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
• Sponsoring Organization: USDOE Office of Defense Programs (DP) (US)
• DOE Contract Number: W-7405-Eng-48
• OSTI ID: 791325
• Report Number(s): UCRL-JC-139269; TRN: US200510%%154
• Resource Relation: Conference: 21st American Institute of Aeronautics and Astronautics Advanced Measurement Technology and Ground Testing Conference, Denver, CO (US), 06/19/2000--06/22/2000; Other Information: PBD: 2 Jun 2000
• Country of Publication: United States
• Language: English

Related Subjects

33 ADVANCED PROPULSION SYSTEMS
36 MATERIALS SCIENCE
COMBUSTION
CONFIGURATION
DESIGN
ENTHALPY
ENTROPY
EVALUATION
FLOW RATE
HELIUM
NOZZLES
OXYGEN
STAGNATION
TESTING
WIND TUNNELS