Calibration of a drag disc turbine transducer and a gamma beam densitometer to measure the mass flow rate in separated horizontal two-phase flow

Conference · Mon Jan 01 04:00:00 EST 1979

OSTI ID:5765827

Reimann, J; Solbrig, C W

The accurate measurement of two-phase mass flow rate is very important in experiments, such as the LOFT experiment, which investigate the hypothetical Loss-of-Coolant Accident (LOCA). This paper analyzes experiments designed to determine the behavior of a LOFT free field drag disc turbine transducer (DTT) and a LOFT-type three-beam gamma densitometer in a steady state, horizontal high pressure steam-water flow. The experiments were conducted in a mass flow and void fraction range where a variety of separated flow regimes existed which strongly influenced the performance of the DTT. It is shown that the accuracy of the instruments is mainly a function of the void fraction.

• Research Organization: Kernforschungszentrum Karlsruhe G.m.b.H. (Germany, F.R.). Inst. fuer Reaktorbauelemente; Idaho National Engineering Lab., Idaho Falls (USA)
• DOE Contract Number: EY-76-C-07-1570
• OSTI ID: 5765827
• Report Number(s): CONF-790803-45
• Country of Publication: United States
• Language: English

Related Subjects

21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
220600* -- Nuclear Reactor Technology-- Research
Test & Experimental Reactors
ACCURACY
DENSITOMETERS
FLOWMETERS
FLUID FLOW
LOFT REACTOR
MEASURING INSTRUMENTS
PERFORMANCE
PHOTOMETERS
PWR TYPE REACTORS
REACTOR INSTRUMENTATION
REACTORS
RESEARCH AND TEST REACTORS
TANK TYPE REACTORS
TEST REACTORS
TWO-PHASE FLOW
WATER COOLED REACTORS
WATER MODERATED REACTORS