Calibration Of The Affdl 50 Megawatt Arc Heated Hypersonic Wind Tunnel With A Two Foot Nozzle
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Calibration Of The Affdl 50 Megawatt Arc Heated Hypersonic Wind Tunnel With A Two Foot Nozzle
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Author : James L. Folck
language : en
Publisher:
Release Date : 1969
Calibration Of The Affdl 50 Megawatt Arc Heated Hypersonic Wind Tunnel With A Two Foot Nozzle written by James L. Folck and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with categories.
The study consisted of the experimental investigation of test flow in an arc heated hypersonic wind tunnel. These tests utilized a high voltage DC arc heater which operated at input powers in excess of 50 megawatts and provided reservoir pressures ranging from 100 to 1500 psi and bulk enthalpies from 1500 to 4000 BTU/lb. Local free stream measurements of pitot pressure, mass flux, stagnation point heat transfer rate and wall static pressures were obtained at the exit of a nominal two-foot diameter conical nozzle. Stagnation enthalpy profiles at the nozzle exit became peaked at high stagnation pressures. From these data, center line enthalpies as high as 6500 BTU/lb were indicated in the flow. Selective comparisons between one-dimensional expansion theory and experiment are presented. At a reservoir enthalpy of approximately 2500 BTU/lb and for stagnation pressure in excess of 500 psi the expanded flow data were in good agreement with equilibrium expansion theory. However, below 500 psi the data compared more closely with nonequilibrium theory with the flow frozen downstream of the nozzle throat. (Author).
Description And Preliminary Calibration Tests Of A Small Arc Heated Hypersonic Wind Tunnel
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Author : William B. Boatright
language : en
Publisher:
Release Date : 1962
Description And Preliminary Calibration Tests Of A Small Arc Heated Hypersonic Wind Tunnel written by William B. Boatright and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with Wind tunnels categories.
Scientific And Technical Aerospace Reports
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Author :
language : en
Publisher:
Release Date : 1970
Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Aeronautics categories.
Design And Calibration Of An Arc Heated Hypersonic Low Density Wind Tunnel
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Author : Ruth N. Weitmann
language : en
Publisher:
Release Date : 1962
Design And Calibration Of An Arc Heated Hypersonic Low Density Wind Tunnel written by Ruth N. Weitmann and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with Chemistry, Physical and theoretical categories.
Flow Calibration Of Two Hypersonic Nozzles In The Aedc Heat H2 High Enthalpy Arc Heated Wind Tunnel
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Author :
language : en
Publisher:
Release Date : 1993
Flow Calibration Of Two Hypersonic Nozzles In The Aedc Heat H2 High Enthalpy Arc Heated Wind Tunnel written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with categories.
The Arnold Engineering Development Center (AEDC) has added to its test facility inventory an arc-heated wind tunnel that can provide a large free-jet (up to 42-in. diam at the nozzle exit) hypersonic flow. The tunnel, designated HEAT-H2, uses air for true-temperature, true-pressure simulations at velocities up to 15,000 ft/sec and altitudes up to 165,000 ft. Existing conical nozzles yield flow Mach numbers from 4 to 8. Included herein is a summary of facility capabilities and selected results from an initial flow-field calibration. Two free-jet nozzles were calibrated, a 9-in exit diam nozzle and a 24-in exit diam nozzle, both with 1.5-in diam throats. Measurements within the free jet included distributions of pitot pressure, total enthalpy, and flow angle. Surface pressure and heat flux data on blunt cones and wedges were also obtained. Arc heater chamber conditions ranged from 31 to 65 atm pressure, with total enthalpy from 1,500 to 2,160 Btu/lbm. The facility should prove useful for a wide variety of hypersonic testing requirements including aerothermal testing of structures, heat shields, antenna windows, etc., and aeropropulsion testing of scramjet combustors.
Aiaa 28th Thermophysics Conference 93 2760 93 2799
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Author :
language : en
Publisher:
Release Date : 1993
Aiaa 28th Thermophysics Conference 93 2760 93 2799 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Thermodynamics categories.
A 50 Megawatt Arc Heater Scaling Parameters And Performance Prediction
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Author : Richard T. Smith
language : en
Publisher:
Release Date : 1964
A 50 Megawatt Arc Heater Scaling Parameters And Performance Prediction written by Richard T. Smith and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with Aerodynamic heating categories.
The Air Force Flight Dynamics Laboratory 50-Megawatt Electrogasdynamics Test Facility is a continuous flow, electric arc heated, hypersonic, wind tunnel for re-entry heat transfer and aerodynamic testing in air. A brief description of arc wind tunnel work at the Laboratory is presented. Arc heater test data up to 5 megawatts of power are presented and problems associated with highpressure operation of these high-voltage heaters are discussed. The 50-Megawatt Arc Heater design is discussed along with the expected performance of the heater and facility. (Author).
Description And Initial Calibration Of The Langley 20 Inch Hypersonic Arc Heated Tunnel
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Author : Raymond E. Midden
language : en
Publisher:
Release Date : 1968
Description And Initial Calibration Of The Langley 20 Inch Hypersonic Arc Heated Tunnel written by Raymond E. Midden and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Hypersonic wind tunnels categories.
Nasa Sp
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Author :
language : en
Publisher:
Release Date : 1970
Nasa Sp written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1970 with Aeronautics categories.
Description And Preliminary Calibration Tests Of A Small Arc Heated Hypersonic Wind Tunnel
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Author : William B. Boatright
language : en
Publisher:
Release Date : 1962
Description And Preliminary Calibration Tests Of A Small Arc Heated Hypersonic Wind Tunnel written by William B. Boatright and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1962 with categories.
