Thermal measuring and testing – Calorimetry – Throttling calorimeter
Patent
1988-01-07
1989-05-23
Yasich, Daniel M.
Thermal measuring and testing
Calorimetry
Throttling calorimeter
73 29, 374 33, 364557, G01K 1712, G01N 2558
Patent
active
048336882
ABSTRACT:
A device and associated method comprising a probe (18) for drawing throttled two-phase steam into a tank (26) which has been evacuated and which can be closed when the pressure of the sample steam in the tank equals the pressure of the source steam mixture (14). The throttling tank operates on the basic thermodynamic principle that a two-phase mixture when throttled into a closed tank becomes superheated. The state of the superheated mixture is determined by temperature and pressure measurements (42, 36). The initial state of the source mixture can then be determined by application of the First Law of Thermodynamics, which is considerably simplified as a result of the way in which the sample is drawn.
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ASME Performance Test Codes, Instruments and Apparatus, Part II, Water and Steam in the Power Cycle (Parity and Quality, Leak Detection and Measurement), pp. 81-88, (Date Unknown).
Brochure, "Q: Bar Steam Quality Meter":, EMCO (5 pages), (Date Unknown).
Combustion Engineering Inc.
Yasich Daniel M.
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