X-ray Observations of Flow Patterns in a Mercury Boiler |
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Page 3
... Preheater Principal thermocouple locations Pressure transducer locations Figure 1. - Two - phase mercury loop . preheater , boiler , superheater , vapor throttle , condenser , condensate column , electro- dynamic mercury pump , and ...
... Preheater Principal thermocouple locations Pressure transducer locations Figure 1. - Two - phase mercury loop . preheater , boiler , superheater , vapor throttle , condenser , condensate column , electro- dynamic mercury pump , and ...
Page 4
Alex Vary. Vacuum port Pressure transducer Preheater Flow 7 Flow 4 Condenser outline CAUTION X - ray. Figure 3.- Condensate end of mercury loop . Figure 6. Helically swaged boiler tube . Condenser exit Lines to and from electro- dynamic ...
Alex Vary. Vacuum port Pressure transducer Preheater Flow 7 Flow 4 Condenser outline CAUTION X - ray. Figure 3.- Condensate end of mercury loop . Figure 6. Helically swaged boiler tube . Condenser exit Lines to and from electro- dynamic ...
Page 5
... CAUTION Condensate . column outline Preheater outline Pressure transducers Electrodynamic mercury pump Pump motor C - 66-2688 - Figure 4. Back view of mercury corrosion loop . Condenser X - ray generator 眼 ୮ Motors and pulley. 5.
... CAUTION Condensate . column outline Preheater outline Pressure transducers Electrodynamic mercury pump Pump motor C - 66-2688 - Figure 4. Back view of mercury corrosion loop . Condenser X - ray generator 眼 ୮ Motors and pulley. 5.
Page 7
... preheater and superheater were also independently heated . Electrical resistance heater elements were used to heat each of the five separately heated zones from the preheater through the superheater ( fig . 1 ) . Each heater element was ...
... preheater and superheater were also independently heated . Electrical resistance heater elements were used to heat each of the five separately heated zones from the preheater through the superheater ( fig . 1 ) . Each heater element was ...
Page 9
... preheater through the superheater , the thermocouples were attached to the tube in the essentially adiabatic spaces between heaters . The thermo- couples were spot welded to the tube and covered with quartz - fiber insulation . The lo ...
... preheater through the superheater , the thermocouples were attached to the tube in the essentially adiabatic spaces between heaters . The thermo- couples were spot welded to the tube and covered with quartz - fiber insulation . The lo ...
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