X-ray Observations of Flow Patterns in a Mercury Boiler |
From inside the book
Results 1-5 of 7
Page 11
... figures except for pump developed pressure . Temperatures are rounded to three significant figures except for insert zone peak temperature . Condenser exit pressure was in torr range . Last 2 ft ( 62 cm ) of ... 11 METASTABLE FLUCTUATIONS.
... figures except for pump developed pressure . Temperatures are rounded to three significant figures except for insert zone peak temperature . Condenser exit pressure was in torr range . Last 2 ft ( 62 cm ) of ... 11 METASTABLE FLUCTUATIONS.
Page 13
... figure 10. Usually , the amplitudes were small , and the normal operating conditions constituted the mean about ... 11 hours and then automatically returned to normal . The type of pattern shown in figure 10 ( b ) sometimes repeated ...
... figure 10. Usually , the amplitudes were small , and the normal operating conditions constituted the mean about ... 11 hours and then automatically returned to normal . The type of pattern shown in figure 10 ( b ) sometimes repeated ...
Page 14
... Figure 11. Pressure and temperature profiles along loop and brief description of observed flow pat- tern regimes . lets Filmwise condensation- . of the flow patterns observed in the boiler , super heater , and vapor throttle . At the ...
... Figure 11. Pressure and temperature profiles along loop and brief description of observed flow pat- tern regimes . lets Filmwise condensation- . of the flow patterns observed in the boiler , super heater , and vapor throttle . At the ...
Page 15
... figure 11. There was no strong de- marcation zone between the flow pattern regimes , and the divisions in figure 11 are therefore somewhat arbitrary . In general , the liquid phase flowed as a separate stream- let and appeared to be in ...
... figure 11. There was no strong de- marcation zone between the flow pattern regimes , and the divisions in figure 11 are therefore somewhat arbitrary . In general , the liquid phase flowed as a separate stream- let and appeared to be in ...
Page 16
... . - As indicated in figure 11 , a second character- istic flow pattern appeared about 12 inches ( 31 cm ) downstream of the boiler inlet . This second pattern persisted to a point about 40 inches (. 16 Helical large-amplitude wave flow.
... . - As indicated in figure 11 , a second character- istic flow pattern appeared about 12 inches ( 31 cm ) downstream of the boiler inlet . This second pattern persisted to a point about 40 inches (. 16 Helical large-amplitude wave flow.
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