X-ray Observations of Flow Patterns in a Mercury Boiler |
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Page 1
... boiler . Using flow pattern and other observations , it was concluded that metastable oscillations were promoted by nucleation effects in the boiler inlet region . INTRODUCTION The advent of advanced nuclear space power systems has ...
... boiler . Using flow pattern and other observations , it was concluded that metastable oscillations were promoted by nucleation effects in the boiler inlet region . INTRODUCTION The advent of advanced nuclear space power systems has ...
Page 4
... boiler tube . Condenser exit Lines to and from electro- dynamic pump Condenser - exit water cooling jacket ( not in- stalled in this view ) Insert zone of boiler inlet Condensate column LHeater electrode connection Water cool- ing coil ...
... boiler tube . Condenser exit Lines to and from electro- dynamic pump Condenser - exit water cooling jacket ( not in- stalled in this view ) Insert zone of boiler inlet Condensate column LHeater electrode connection Water cool- ing coil ...
Page 6
... boiler inlet through the condenser exit . As indicated in figure 5 , a closed - circuit television monitor was used with the X - ray system . A remote control arrangement was used to scan and select views of the loop . The television ...
... boiler inlet through the condenser exit . As indicated in figure 5 , a closed - circuit television monitor was used with the X - ray system . A remote control arrangement was used to scan and select views of the loop . The television ...
Page 7
... boiler inlet . 0 2 6 mm C - 67-1258 ( b ) Half - section of shallow - swaged helical groove used downstream of boiler inlet and in superheater . - than 1/8 inch ( 0.32 cm ) . After swaging , the depth of the groove in the first 12 ...
... boiler inlet . 0 2 6 mm C - 67-1258 ( b ) Half - section of shallow - swaged helical groove used downstream of boiler inlet and in superheater . - than 1/8 inch ( 0.32 cm ) . After swaging , the depth of the groove in the first 12 ...
Page 8
... boiler insert zone with front half of helically swaged boiler cut away . C - 67-896 Quartz- fiber tape 7 1 Ceramic tube ... inlet tube ex- tended into the expansion chamber so that the throttling orifice was surrounded with an expansion ...
... boiler insert zone with front half of helically swaged boiler cut away . C - 67-896 Quartz- fiber tape 7 1 Ceramic tube ... inlet tube ex- tended into the expansion chamber so that the throttling orifice was surrounded with an expansion ...
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