Experimental Investigation of Nozzle Critical Flow Characteristics of Sodium Vapor |
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16 Nozzle inlet 9 pounds Alkali Metal approximately assumed calculated calibration curve coefficient of 0.97 Comparison condensate flow condensate volumeter condenser temperature convergent-divergent nozzle critical pressure ratios critical vapor flow Critical weight flow demister derived from flow downstream effect of superheat equilibrium process Equilibrium w/CdAt expansion index expansion process experimental flows figure 6(a flow coefficient flow measurements heat at constant investigation isentropic lb/hr manometer measured flows NASA TN nozzle inlet pressure nozzle inlet temperature nozzle throat nozzle were measured obeying pvn OOOOO pansion indexes percent at pressures pounds per square pressure measurements pressure ratio measurements properties from reference psia rator heat reference 9 Rept research nozzle saturated conditions Saturated Vapor Saturated Vapor Pressure saturation temperature separator temperature shown in figure Sodium Vapor specific heat specific volume square inch absolute supersaturated process supersaturated-equilibrium process supersaturated-frozen process swirler T(OR temperature was measured thermocouple Thermodynamic Properties upstream Vapor flow rate w/At weight flow rate