X-ray Observations of Flow Patterns in a Mercury Boiler |
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Page 1
Alex Vary. X - RAY OBSERVATIONS OF FLOW PATTERNS IN A MERCURY BOILER by Alex Vary Lewis Research Center SUMMARY Flow patterns in an electrically heated , forced - flow mercury boiler were studied with a high - resolution X - ray image ...
Alex Vary. X - RAY OBSERVATIONS OF FLOW PATTERNS IN A MERCURY BOILER by Alex Vary Lewis Research Center SUMMARY Flow patterns in an electrically heated , forced - flow mercury boiler were studied with a high - resolution X - ray image ...
Page 2
... X - ray method for observing flow patterns was developed as a part of a forced- flow mercury - loop design . The loop was ... X - ray image system for flow observation . The first prototypes used straight cylindrical boiler tubes . The ...
... X - ray method for observing flow patterns was developed as a part of a forced- flow mercury - loop design . The loop was ... X - ray image system for flow observation . The first prototypes used straight cylindrical boiler tubes . The ...
Page 6
... picture camera Television image control Television Television monitor L camera and Boiler Electronic image mirror amplifier system Lead shield Loop housing ( end view section ) X - ray generator control Control console Test cell ...
... picture camera Television image control Television Television monitor L camera and Boiler Electronic image mirror amplifier system Lead shield Loop housing ( end view section ) X - ray generator control Control console Test cell ...
Page 13
... in the boiler , superheater , and condenser . These flow patterns were ob- served by means of the X - ray image system . A detailed description is given hereinafter Temperature , ° C 200 400 Pressure , N / 13 FLOW PATTERN OBSERVATIONS.
... in the boiler , superheater , and condenser . These flow patterns were ob- served by means of the X - ray image system . A detailed description is given hereinafter Temperature , ° C 200 400 Pressure , N / 13 FLOW PATTERN OBSERVATIONS.
Page 14
... picture supplement ( C - 265 ) has been prepared to illustrate the flow patterns that were recorded with the X - ray image system . The motion pictures show details that are not readily reproduced by the half - tone photographs in this ...
... picture supplement ( C - 265 ) has been prepared to illustrate the flow patterns that were recorded with the X - ray image system . The motion pictures show details that are not readily reproduced by the half - tone photographs in this ...
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/mē 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