| 发明名称 |
Process and apparatus for measuring travel time differences of ultrasonic pulses for the determination of flow fields |
| 摘要 |
Laser beams are modulated by ultrasonic pulses transmitted through gaseous media as a means of determining flow field patterns and temperatures without disturbing the test media.
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| 申请公布号 |
US4493217(A) |
申请公布日期 |
1985.01.15 |
| 申请号 |
US19820408862 |
申请日期 |
1982.08.17 |
| 申请人 |
DEUTSCHE FORSCHUNGS- UND VERSUCHSANSTALT FUR LUFT- UND RAUMFAHRT E.V. |
发明人 |
ENGLER, ROLF;WULF, RUDOLF |
| 分类号 |
G01M9/06;G01P5/00;(IPC1-7):G01F1/66 |
主分类号 |
G01M9/06 |
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