Analysis of Pressure-drop Function in Rankine Space Power Boilers with Discussion of Flow Maldistribution Implications |
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Page
... Effect of Boiling Pressure Level and Its Dependence on the Exit Boundary Condition . Eliminating Negative - Slope Region in Pressure - Drop Function Effect of Plug Geometry Effect of Heat- Flux Distribution on Pressure - Drop Function ...
... Effect of Boiling Pressure Level and Its Dependence on the Exit Boundary Condition . Eliminating Negative - Slope Region in Pressure - Drop Function Effect of Plug Geometry Effect of Heat- Flux Distribution on Pressure - Drop Function ...
Page 1
... effects on the pressure- drop function caused by variations in some of the geometric and thermodynamic param- eters ... effect is strongly influenced by a boiler - tube insert , but the characteristic could exist even with an open tube ...
... effects on the pressure- drop function caused by variations in some of the geometric and thermodynamic param- eters ... effect is strongly influenced by a boiler - tube insert , but the characteristic could exist even with an open tube ...
Page 2
... effects on the pressure - drop func- tion caused by some of the geometric and thermodynamic parameters of the boiler were examined , and from these effects the causes of the multivalued characteristic were established . Finally ...
... effects on the pressure - drop func- tion caused by some of the geometric and thermodynamic parameters of the boiler were examined , and from these effects the causes of the multivalued characteristic were established . Finally ...
Page 3
... effect of the spiral wire and the effect of the bends in the spiral flow passages of the plug . The derivative dP / dl was taken with respect to the axial distance along the tube so that in the plug region a multiplication factor dl pl ...
... effect of the spiral wire and the effect of the bends in the spiral flow passages of the plug . The derivative dP / dl was taken with respect to the axial distance along the tube so that in the plug region a multiplication factor dl pl ...
Page 4
... effect of the variation of length and geometry , but also the local variation in velocity resulting from quality changes . A correlation based on that proposed by W. L. Owens ( ref . 8 ) , and which assumes homogeneous flow , was used ...
... effect of the variation of length and geometry , but also the local variation in velocity resulting from quality changes . A correlation based on that proposed by W. L. Owens ( ref . 8 ) , and which assumes homogeneous flow , was used ...
Common terms and phrases
analysis average heat-transfer coefficient boiler exit boiler tube boiling length boiling region boiling tube boundary condition calculated choked nozzle CONTINUE counterflow boiler DTSH EBOIL effect ELPH ELSH EPLUG equation ESHP EXIT QUALITY flow in plug flow maldistribution fraction of design gradients for vapor heat flux heat transfer heating fluid heating-fluid flow heating-fluid inlet temperature hydraulic diameter increase inlet temperature design input variables ITERATION KCMAX KQUAL KSPR lb/ft³ MERCURY BOILER multivalued multivalued function negative-slope region orifice overall average heat-transfer PLNTU plug insert plug length plug region preheat length preheat region pressure drop pressure gradient pressure-drop characteristic pressure-drop function PSAT psia rated flow Ratio of pressure region at design saturation pressure saturation temperature superheat length superheat region swirl-wire region temperature design value Tsat tube length vapor at rated vapor density variation water boiler WhCh WHDG working-fluid flow working-fluid inlet temperature ΔΡ