X-ray Observations of Flow Patterns in a Mercury Boiler |
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Page 11
... psia ; N / m2 abs . Inlet temperature , ° F ; ° C 2 • Peak insert zone temperature , ° F ; ° c Insert zone pressure , psia ; N / m2 abs Insert zone pressure drop , psid ; N / m2 Exit temperature , ° F ; ° C . Average heat flux , Btu ...
... psia ; N / m2 abs . Inlet temperature , ° F ; ° C 2 • Peak insert zone temperature , ° F ; ° c Insert zone pressure , psia ; N / m2 abs Insert zone pressure drop , psid ; N / m2 Exit temperature , ° F ; ° C . Average heat flux , Btu ...
Page 14
... psia 400 300 200 100 0 1400 1200 1000 800 Two - phase flow 600 Preheater 400 200 Boiler inlet insert 0 Radiation and natural convec- tion cooled Vapor throttle Water cooled- Superheater Boiler Condenser 0 10 20 30 40 50 60 70 80 90 100 ...
... psia 400 300 200 100 0 1400 1200 1000 800 Two - phase flow 600 Preheater 400 200 Boiler inlet insert 0 Radiation and natural convec- tion cooled Vapor throttle Water cooled- Superheater Boiler Condenser 0 10 20 30 40 50 60 70 80 90 100 ...
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