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Microwave interferometry technique for obtaining gas interface velocity measurements in an expansion tube facility
| Content Provider | NASA Technical Reports Server (NTRS) |
|---|---|
| Author | Laney Jr., C. C. |
| Copyright Year | 1974 |
| Description | A microwave interferometer technique to determine the front interface velocity of a high enthalpy gas flow, is described. The system is designed to excite a standing wave in an expansion tube, and to measure the shift in this standing wave as it is moved by the test gas front. Data, in the form of a varying sinusoidal signal, is recorded on a high-speed drum camera-oscilloscope combination. Measurements of average and incremental velocities in excess of 6,000 meters per second were made. |
| File Size | 1259791 |
| Page Count | 31 |
| File Format | |
| Alternate Webpage(s) | http://archive.org/details/NASA_NTRS_Archive_19750003232 |
| Archival Resource Key | ark:/13960/t58d4pg96 |
| Language | English |
| Publisher Date | 1974-11-13 |
| Access Restriction | Open |
| Subject Keyword | Standing Waves Test Facilities Signal Measurement Microwave Interferometers Shock Wave Propagation Gas Flow Oscilloscopes Cameras Shock Tubes Velocity Measurement 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 |
