Hot-wire probes for measuring velocity and concentration in helium-air mixtures
β Scribed by LIBBY, P. A.; WAY, J.
- Book ID
- 120250528
- Publisher
- American Institute of Aeronautics and Astronautics
- Year
- 1970
- Tongue
- English
- Weight
- 443 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0001-1452
- DOI
- 10.2514/3.5814
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## Abstract This paper extends the use of hotβwire and hotβfilm anemometry to the measurement of velocities in gas mixtures. It is demonstrated that the velocity data in binary gas mixtures can be satisfactorily predicted by calibration tests in pure systems alone or at any two convenient compositi
A new simple method has been developed to measure the concentration and velocity simultaneously for the gas mixture (CO 2 Β± air) Β―ow by two hot-wire probes. By using a calibration map, the values of the instantaneous concentration and velocity can be determined from the voltages of two hot-wire prob