Effect of a Variable-geometry Diffuser on the Operating Characteristics of a Helium Tunnel Designed for a Mach Number in Excess of 20
| Author | : Patrick J. Johnston |
| Publisher | : |
| Total Pages | : 24 |
| Release | : 1960 |
| Genre | : Mach number |
| ISBN | : |
Effect Of A Variable Geometry Diffuser On The Operating Characteristics Of A Helium Tunnel Designed For A Mach Number In Excess Of 20
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Monthly Catalog of United States Government Publications
| Author | : United States. Superintendent of Documents |
| Publisher | : |
| Total Pages | : 1812 |
| Release | : 1960 |
| Genre | : Government publications |
| ISBN | : |
Ideal-gas Tables for Helium Flow in the Mach Number Range from 40 to 100
| Author | : James N. Mueller |
| Publisher | : |
| Total Pages | : 36 |
| Release | : 1962 |
| Genre | : Aerodynamics, Hypersonic |
| ISBN | : |
Low-density Hypervelocity Wind Tunnel Diffuser Performance
| Author | : Mancil W. Milligan |
| Publisher | : |
| Total Pages | : 56 |
| Release | : 1963 |
| Genre | : Hypersonic wind tunnels |
| ISBN | : |
Measurement of Flow Angularity at Supersonic and Hypersonic Speeds with the Use of a Conical Probe
| Author | : Frank Edwin Swalley |
| Publisher | : |
| Total Pages | : 28 |
| Release | : 1961 |
| Genre | : |
| ISBN | : |
The characteristics of a 40° half-angle cone for measuring flow angularity were determined experimentally. Tests were conducted at a Mach number of 21 in helium with check points at Mach number 3.55 in air for angles of pitch up to 5°. The air tests confirmed theoretical indications of small or negligible Mach number and test-medium effects for the case of air and helium. The instrument is capable of measuring flow angularity at high Reynolds numbers and speeds greater than that necessary for shock attachment to within ± 1/3°.
