Performance Characteristics of a Huels-Type Arc Heater Operating on Hydrogen, Helium, or Air
Final rept. 15 Apr 1974-17 Jun 1975
MCDONNELL DOUGLAS RESEARCH LABS ST LOUIS MO
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The performance characteristics of a scale 0.5 Huels-type arc heater were determined operating on hydrogen, helium, or air. Data were acquired on hydrogen at pressures from 10 to 50 atm, on helium from 25 to 100 atm, and on air from 10 to 100 atm. All three gases were tested at three arc current levels 240, 320, and 400 A using the same basic arc heater. The hydrogen enthalpies were five to seven times those of air, and the helium enthalpies were 41 to 69 higher than air. Prediction codes for scaling hydrogen and helium arc heaters to larger scale were developed from a similar code for air which was shown to accurately predict the performance of the present AEDC Dust Erosion Tunnel N 1.73 arc heater.
- Air Conditioning, Heating, Lighting and Ventilating
- Test Facilities, Equipment and Methods