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Free-stream temperature, density, and pressure measurements in an expansion tube flow
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Haggard, K. V. |
| Copyright Year | 1973 |
| Description | An experimental study was conducted to determine test-flow conditions in the Langley pilot model expansion tube. Measurements of temperature, density, wall pressure, pitot pressure, and shock and interface velocities were compared with theoretical calculations based on various models of the flow cycle. The vibrational temperature and integrated density of the molecular oxygen component of the flow were measured by use of vacuum ultraviolet absorption techniques. These measurements indicate both the presence and possible degree of nonequilibrium in the flow. Data are compared with several simplified models of the flow cycle, and data trends are discussed. |
| File Size | 789791 |
| Page Count | 29 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19730022517 |
| Archival Resource Key | ark:/13960/t0tr0p80p |
| Language | English |
| Publisher Date | 1973-10-01 |
| Access Restriction | Open |
| Subject Keyword | Fluid Mechanics Gas Density Temperature Measurement Oxygen Test Facilities Wall Pressure Molecular Gases Gas Expansion Molecular Relaxation Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science |
| Content Type | Text |
| Resource Type | Technical Report |
