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Expansion tube test time predictions
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Gourlay, Christopher M. |
| Copyright Year | 1988 |
| Description | The interaction of an interface between two gases and strong expansion is investigated and the effect on flow in an expansion tube is examined. Two mechanisms for the unsteady Pitot-pressure fluctuations found in the test section of an expansion tube are proposed. The first mechanism depends on the Rayleigh-Taylor instability of the driver-test gas interface in the presence of a strong expansion. The second mechanism depends on the reflection of the strong expansion from the interface. Predictions compare favorably with experimental results. The theory is expected to be independent of the absolute values of the initial expansion tube filling pressures. |
| File Size | 2238574 |
| Page Count | 102 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19890002385 |
| Archival Resource Key | ark:/13960/t7bs3ph3b |
| Language | English |
| Publisher Date | 1988-09-01 |
| Access Restriction | Open |
| Subject Keyword | Research And Support Facilities (air) Interfaces Hypervelocity Stability Predictions Shock Tests Shock Tubes Time Expansion Shock Tunnels 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 |
