X-ray Observations of Flow Patterns in a Mercury Boiler |
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... Fluid mechanics ; Flow patterns ; Two- phase flow ; Mercury boiler ; Phase separation ; Stable - metastable boiling ; Liquid metals ; Forced - flow boiling 18. Distribution Statement Unclassified - unlimited 19. Security Classif . ( of ...
... Fluid mechanics ; Flow patterns ; Two- phase flow ; Mercury boiler ; Phase separation ; Stable - metastable boiling ; Liquid metals ; Forced - flow boiling 18. Distribution Statement Unclassified - unlimited 19. Security Classif . ( of ...
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... MERCURY BOILERS C - STABILITY OF HELICAL LIQUID STREAMLET D - FLOW PATTERN PREDICTION CHART 28 31 32 E - SYMBOLS . 34 REFERENCES ..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 iii X - RAY OBSERVATIONS OF FLOW ...
... MERCURY BOILERS C - STABILITY OF HELICAL LIQUID STREAMLET D - FLOW PATTERN PREDICTION CHART 28 31 32 E - SYMBOLS . 34 REFERENCES ..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 iii X - RAY OBSERVATIONS OF FLOW ...
Page 1
... fluids . There were close similar- ities between the observed and predicted patterns , but the observed patterns depended strongly on the intimate liquid - to - boiler - wall contact produced by the helical motion of the mercury ...
... fluids . There were close similar- ities between the observed and predicted patterns , but the observed patterns depended strongly on the intimate liquid - to - boiler - wall contact produced by the helical motion of the mercury ...
Page 2
... liquid entrainment ( carryover ) with mercury became ap- parent at once . Because of surface tension and dewetting effects , there is a tendency for liquid droplets and slugs of mercury to form and separate from the mainstream . These ...
... liquid entrainment ( carryover ) with mercury became ap- parent at once . Because of surface tension and dewetting effects , there is a tendency for liquid droplets and slugs of mercury to form and separate from the mainstream . These ...
Page 3
Alex Vary. Vacuum port Water cooling jacket Condenser Condensate column ୮ Liquid level Pump Flow- meter Boiler Vapor throttle 1 2 Heater 3 Superheater Preheater Principal thermocouple locations Pressure transducer locations Figure 1 ...
Alex Vary. Vacuum port Water cooling jacket Condenser Condensate column ୮ Liquid level Pump Flow- meter Boiler Vapor throttle 1 2 Heater 3 Superheater Preheater Principal thermocouple locations Pressure transducer locations Figure 1 ...
Common terms and phrases
adiabatic appendix axially Baker chart boiler exit boiler inlet boiler insert zone Boiler satura boiler surface boiler wall boiler-superheater boiling bubbles centrifugal forces cm/sec condensate column corrosion results corrosive attack downstream droplets figure 11 flow and pressure flow conditions FLOW PATTERN OBSERVATIONS flow pattern regime Flowmeter pressure drop gas flow heat flux heater element helical groove helical liquid helical stream helical streamlet Inlet pressure Insert cylinder kg/sec Lewis Research Center liquid carryover liquid film terminal liquid mercury liquid phase liquid streamlet mass flow rate mercury loop metastable intervals metastable oscillations motion picture N/m² abs NASA NASA TN nucleation zone observed flow patterns oscillations and excursions phase separation pounds per hour Preheater psia pump radial acceleration saturation pressure shown in figure Slug stratified flow superheater surface tension swirling device tangential velocity thermocouples two-phase flow two-phase inception vapor quality vapor throttle wall contact wave X-ray image system X-ray system