X-ray Observations of Flow Patterns in a Mercury Boiler |
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Results 1-5 of 21
Page
... Boiler - Super heater Flow Patterns Helical streamlet Helical large - amplitude wave flow Diffuse helical streamlet . . Liquid film terminal Superheater flow pattern Flow Patterns During Metastable Intervals 11 13 15 15 16 17 17 18 18 ...
... Boiler - Super heater Flow Patterns Helical streamlet Helical large - amplitude wave flow Diffuse helical streamlet . . Liquid film terminal Superheater flow pattern Flow Patterns During Metastable Intervals 11 13 15 15 16 17 17 18 18 ...
Page 1
... boiler wall . There were long periods of stable operation during which X - ray observations showed good separation of the liquid phase and no detectable liquid carryover into the superheater . An attempt was made to explain the observed ...
... boiler wall . There were long periods of stable operation during which X - ray observations showed good separation of the liquid phase and no detectable liquid carryover into the superheater . An attempt was made to explain the observed ...
Page 2
... boiler and superheater performances degenerate , and stable operation with high - quality vapor cannot be attained . Therefore , phase separation devices are useful in forced - flow mer- cury boilers to promote sustained intimate wall ...
... boiler and superheater performances degenerate , and stable operation with high - quality vapor cannot be attained . Therefore , phase separation devices are useful in forced - flow mer- cury boilers to promote sustained intimate wall ...
Page 3
... Boiler Vapor throttle 1 2 Heater 3 Superheater Preheater Principal thermocouple locations Pressure transducer locations Figure 1. - Two - phase mercury loop . preheater , boiler , superheater , vapor throttle , condenser , condensate ...
... Boiler Vapor throttle 1 2 Heater 3 Superheater Preheater Principal thermocouple locations Pressure transducer locations Figure 1. - Two - phase mercury loop . preheater , boiler , superheater , vapor throttle , condenser , condensate ...
Page 6
... boiler - superheater tube was 115 inches ( 292 cm ) long and had a swaged helical groove along its entire length . The first 90 inches ( 228 cm ) constituted the boiler . The super- heater was a curved section beginning a few inches ...
... boiler - superheater tube was 115 inches ( 292 cm ) long and had a swaged helical groove along its entire length . The first 90 inches ( 228 cm ) constituted the boiler . The super- heater was a curved section beginning a few inches ...
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