X-ray Observations of Flow Patterns in a Mercury Boiler |
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Page 13
... corrosive attack and mass transfer increased . FLOW PATTERN OBSERVATIONS The normal operating conditions for the loop are given in table I and are illustrated in figure 11. Also included in this figure are abbreviated descriptions of ...
... corrosive attack and mass transfer increased . FLOW PATTERN OBSERVATIONS The normal operating conditions for the loop are given in table I and are illustrated in figure 11. Also included in this figure are abbreviated descriptions of ...
Page 14
... corrosion test for which the loop was designed , the loop was dis- mantled . The preheater , boiler , superheater , vapor throttle , and condenser were sec- tioned and metallurgically examined . Corrosive attack and corrosion product ...
... corrosion test for which the loop was designed , the loop was dis- mantled . The preheater , boiler , superheater , vapor throttle , and condenser were sec- tioned and metallurgically examined . Corrosive attack and corrosion product ...
Page 18
... corrosion product deposit pattern found on post - test examination of the boiler . The locus of the liquid film terminal ... corrosive attack . When deviations from normal performance occurred , there were distinct changes in the flow ...
... corrosion product deposit pattern found on post - test examination of the boiler . The locus of the liquid film terminal ... corrosive attack . When deviations from normal performance occurred , there were distinct changes in the flow ...
Page 23
... Corrosion and Instability Effects . The corrosion and mass transfer in the nucleation zone could account for the in ... corrosive and erosive attack . It is evident , therefore , that , because of radial acceleration , liquid flowed ...
... Corrosion and Instability Effects . The corrosion and mass transfer in the nucleation zone could account for the in ... corrosive and erosive attack . It is evident , therefore , that , because of radial acceleration , liquid flowed ...
Page 25
... corrosive attack and deposit patterns added information that enhanced the in situ obser- vations made by the X - ray system . It was concluded that corrosive attack of the boiler surface and consequent transfer of wall material were ...
... corrosive attack and deposit patterns added information that enhanced the in situ obser- vations made by the X - ray system . It was concluded that corrosive attack of the boiler surface and consequent transfer of wall material were ...
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