Thermal measuring and testing – Calorimetry – Throttling calorimeter
Patent
1985-07-16
1987-07-14
Frankfort, Charles
Thermal measuring and testing
Calorimetry
Throttling calorimeter
73 32A, 73 29, G01N 936, G01K 1706
Patent
active
046799478
ABSTRACT:
A method and apparatus for measuring steam quality of wet or two-phase flowing steam includes a flow-through densitometer comprised of two parallel tubes connected to two common nodes, a vibrator for causing the tubes to vibrate, and a transducer for detecting the frequency and amplitude of the vibrations. A temperature probe detects the temperature of the steam, and a computer is used to monitor the vibrations and temperature and to calculate steam quality. The computer can also be used to control the vibrator. An intake sampler is positioned in a flowing steam line to divert a representative sample of the wet steam into the densitometer. The bulk density of the steam is determined as a function of the fundamental frequency of the densitometer with the steam flowing therethrough, and the steam quality is determined as a function of the bulk density and vapor density, which is a function of temperature.
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Miller Charles E.
Schlatter Gerald L.
Yoshida Louis T.
Engineering Measurements Co.
Frankfort Charles
Will Thomas B.
Young James R.
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