wind tunnel / arc jet re-compete potential bidders conference 10-28-03 aerospace directorate space...
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Wind Tunnel / Arc Jet Re-Compete Potential Bidders Conference10-28-03
Aerospace Directorate
Space Technology Division
Thermophysics Facilities BranchScott Eddlemon, Deputy Chief
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Space Technology Division Mission Statement
• The Space Technology Division develops data bases, physical models, computer codes, and technologies which enable execution of agency and national missions involving space.
• These technologies include thermal protection systems for space launch vehicles, planetary entry probes; life support systems; human extravehicular systems; IR sensors, and cryogenic coolers.
• Data bases and models are developed for advances in the fields of astrophysics, Earth, and Life Sciences.
• Support of the Agency work in aeronautics is provided in the fields of scramjet propulsion in the range from Mach 8 - 16 and by developing thermochemistry data bases required to model combustion processes in air-breathing subsonic, supersonic, and hypersonic engines.
• Technology transfer to the U.S. space industry is of utmost importance to the division as is its dual-use to ensure U.S. economic competitiveness.
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APOLLO
SPACE SHUTTLE
NASP
X-33
X-34
DC-XA
BLUNT BODY CONCEPT(H. Allen)
PAET
PIONEER-VENUS VIKING
AFEMAGELLAN
GALILEO
MARS PATHFINDER
RLV• VentureStar
• X-37••
PLANETARY• StarDust
• Mars Aerocapture• Mars Sample Return
• “Fast” Neptune• HEDS
Sharp BodyConcept
NASA Entry Vehicles and Missions Supported
1960
1970
1980
1990
2000
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Thermophysics Facilities Branch
Mission Statement• The safe operation, maintenance, repair, and improvement of the Thermophysics Facilities at ARC. These facilities consist of:– Arc Jet Complex
• Panel Test Facility (PTF)• Aerodynamic Heating Facility (AHF)• Interactive Heating Facility (IHF)• Steam Vacuum System (SVS)• Power Supplies (20 & 60 MW)• Arc Jet Air System (AJAS)
– Range Complex• Hypervelocity Free-Flight Aerodynamic Facility (HFFAF)• Electric Arc Shock Tube (EAST)• Ames Vertical Gun Range (AVGR)
• The ASF facilities support national programs by providing ground-based high enthalpy simulation capabilities to support R&D activities in aerothermodynamics, thermal protection materials, vehicle structures, and hypersonic propulsion.
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Thermophysics Facilities BranchPrimary Facilities
• Arc Jet Complex• Panel Test Facility (PTF)• Aerodynamic Heating Facility (AHF)• Interactive Heating Facility (IHF)
• Support Systems• Steam Vacuum System (SVS) • 60 Mwatt Power Supply• 20 Mwatt Power Supply• Arc Jet Air System (AJAS)
• Ballistic Ranges and Shock Tubes• Hypervelocity Free Flight Facility (HFFF)• Electric Arc Shock Tube (EAST)• Ames Vertical Gun Range (AVGR)
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Arc Jet Complex Aerial View
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• The Ames Arc Jet Complex has a long heritage in TPS development for every Agency Space Transportation and Planetary program, including Apollo, Space Shuttle, Viking, Pioneer-Venus, Galileo, and Mars Pathfinder.
• Presently on the critical path for X-37, Shuttle Upgrades, Gen2, Mars Exploration, Discovery, New Frontiers…
• The Complex is currently operating at production rates averaging ~400 test runs per year.
• Single Shift operations.
Arc Jet Complex
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Arc Jet Air System
The Arc Jet Air System “AJAS" provides high pressure air services (3000 [psi]) to the Arc Jet Complex. The compressor is a 4000 [hp] electric motor driven compressor located at building N-250, with pumping rates of ~10 [lbm/sec], coupled with ~7 M [scf] of high pressure storage. High pressure air distribution to the Arc Jet Complex as well as other test facilities on Center is performed using a data acquisition and control system located at the central control room located at N-229A
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Steam Vacuum System
• The SVS provides vacuum services to Arc Jet Complex, and the Aeolian Research Facility.
• Vacuum for the Arc Jet complex is created by a five stage steam ejector pumping system driven by a M-Type Babcox and Wilcox naval propulsion boiler.
• Vacuum services to Arc Jet facilities are supplied from the north and south plenum of the steam vacuum system which interface buildings N-234 and N-238. Flow rates at both plenums at 100 [microns Hg] are .5 [lbm/sec].
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• The Hypervelocity Free-Flight Aerodynamic Facility (HFFAF) is used for research on gasdynamics of atmospheric entry. High relative speeds are achieved by launching models from high-speed guns into a counter current airstream driven by a combustion powered shock tube.
• The Ames Vertical Gun Range (AVGR) is used to simulate the planetary impact cratering phenomena. The facility utilizes various model launching guns that can achieve impact velocities up to 8 [km/sec].
• The Electric Arc Shock Tube Facility (EAST) is used to investigate the effects of radiation and ionization during planetary entries. The driven section of the facility is supplied by a 1.25 [MJ] capacitor storage system.
• Single Shift Operations utilizing Roaming Crew Operations
Range Complex