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Tables of Thermodynamic Properties of Air in Chemical Equilibrium Including Second Viral Corrections From 1500 Degrees K to 15,000 Degrees K
Report Number: AEDC TR 65-58
Author(s): Joeseph Hilsenrath and Max Klein
Corporate Author: Nation Bureau of Standards
Publication Date: 3/1/1965
Pages: 339
Contract: DO 40(600)59-24
Project: 8950
Task: 895003
AD Number: AD0612301
Photo Enhancement: Not Needed
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The NTIS Order Number for this report is: AD612301
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Expansion of a Jet into Near Vacuum
Report Number: AEDC TR 65-151
Author(s): Cassanova, R. A.; Stephenson, W. B.
Corporate Author: Arnold Engineering Development Center
Publication Date: 8/1/1965
Contract: AF 40(600)-1000
Project: None Given
Task: None Given
AD Number: AD0469041
Photo Enhancement: Incomplete
Abstract Text:
The flow field of nozzles exhausting into a vacuum was investigated both analytically and experimentally. The applicability of the method of characteristics for jet expansions into a free molecular environment is discussed. Fifteen-degree, half-angle, conical nozzles with area ratios of 1.0 to 207 were tested with argon and nitrogen at total pressures of 100, 50, and 35 psia. Ambient pressures of .0001 to .000001 torr yielded total pressure to ambient pressure ratios of 10,000,000 to 1,000,000,000. Properties of the flow field were determined by the use of flat plates and flow direction vanes.
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The NTIS Order Number for this report is: AD469041
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