Indirect Measurement Of Nitrogen In A Multi-Component Gas By Measuring The Speed Of Sound At Two States Of The Gas.
Patent
·
OSTI ID:879982
- San Antonio, TX
A methods of indirectly measuring the nitrogen concentration in a gas mixture. The molecular weight of the gas is modeled as a function of the speed of sound in the gas, the diluent concentrations in the gas, and constant values, resulting in a model equation. Regression analysis is used to calculate the constant values, which can then be substituted into the model equation. If the speed of sound in the gas is measured at two states and diluent concentrations other than nitrogen (typically carbon dioxide) are known, two equations for molecular weight can be equated and solved for the nitrogen concentration in the gas mixture.
- Research Organization:
- Southwest Research Institute (San Antonio, TX)
- DOE Contract Number:
- FC21-96MC33033
- Assignee:
- Southwest Research Institute (San Antonio, TX)
- Patent Number(s):
- US 6804610
- Application Number:
- 10/401206
- OSTI ID:
- 879982
- Country of Publication:
- United States
- Language:
- English
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