X-ray Observations of Flow Patterns in a Mercury Boiler |
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Page 21
... chart is based on data obtained with straight cylindrical tubes . The Baker chart for the boiler is shown in figure 16. Loci of G / A against Lay / G are plotted in figure 16 for the insert zone and the remainder of the boiler . The x ...
... chart is based on data obtained with straight cylindrical tubes . The Baker chart for the boiler is shown in figure 16. Loci of G / A against Lay / G are plotted in figure 16 for the insert zone and the remainder of the boiler . The x ...
Page 22
... Baker chart would require . Nor did the calculation ac- count for the radial acceleration induced by the swirling action . According to figure 16 , a stratified - plug - slug - annular transition is predicted for the insert zone wherein ...
... Baker chart would require . Nor did the calculation ac- count for the radial acceleration induced by the swirling action . According to figure 16 , a stratified - plug - slug - annular transition is predicted for the insert zone wherein ...
Page 32
... Baker flow pattern prediction chart . The chart is reproduced in fig- ure 20 and pertains to adiabatic flow ( without heat addition ) in cylindrical horizontal tubes . ( All symbols are defined in appendix E. ) The flow pattern ...
... Baker flow pattern prediction chart . The chart is reproduced in fig- ure 20 and pertains to adiabatic flow ( without heat addition ) in cylindrical horizontal tubes . ( All symbols are defined in appendix E. ) The flow pattern ...
Page 33
... Baker chart of figure 20 are four curves , each representing a straight cylindrical tube with a different diameter , namely , 0.04 inch ( 0.10 cm ) , 0.06 inch ( 0.16 cm ) , 0.13 inch ( 0.32 cm ) , and 0.25 inch ( 0.63 cm ) . The ...
... Baker chart of figure 20 are four curves , each representing a straight cylindrical tube with a different diameter , namely , 0.04 inch ( 0.10 cm ) , 0.06 inch ( 0.16 cm ) , 0.13 inch ( 0.32 cm ) , and 0.25 inch ( 0.63 cm ) . The ...
Page 34
... Baker chart , kg / ( m2 ) ( sec ) ; 2 lbm / ( ft “ ) ( hr ) acceleration due to gravity , 9.80 m / sec2 ; 32.2 ft / sec SYMBOLS λ нг Pg 2 ρι mass velocity of liquid phase , based on total cross - sectional area of pipe in Baker chart ...
... Baker chart , kg / ( m2 ) ( sec ) ; 2 lbm / ( ft “ ) ( hr ) acceleration due to gravity , 9.80 m / sec2 ; 32.2 ft / sec SYMBOLS λ нг Pg 2 ρι mass velocity of liquid phase , based on total cross - sectional area of pipe in Baker chart ...
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