Device for precision measurement of speed of sound in a gas
Patent
·
OSTI ID:1175153
A sensor for measuring the speed of sound in a gas. The sensor has a helical coil, through which the gas flows before entering an inner chamber. Flow through the coil brings the gas into thermal equilibrium with the test chamber body. After the gas enters the chamber, a transducer produces an ultrasonic pulse, which is reflected from each of two faces of a target. The time difference between the two reflected signals is used to determine the speed of sound in the gas.
- Research Organization:
- Southwest Research Institute, San Antonio, TX (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- FC21-96MC33033
- Assignee:
- Southwest Research Institute
- Patent Number(s):
- 6,823,716
- Application Number:
- 10/406,518
- OSTI ID:
- 1175153
- Country of Publication:
- United States
- Language:
- English
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