DOC: Updated header documentation
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@ -28,14 +28,14 @@ Description
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Mass tranfer Lee model. Simple model driven by field value difference as:
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\f[
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mDot = C \rho \alpha (\T - T_{activate})/T_{activate}
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\dot{m} = C \rho \alpha (T - T_{activate})/T_{activate}
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\f]
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where C is a model constant.
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if C > 0:
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\f[
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mDot = C \rho \alpha*(\T - T_{activate})/T_{activate}
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\dot{m} = C \rho \alpha (T - T_{activate})/T_{activate}
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\f]
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for \f[ T > T_{activate} \f]
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@ -46,12 +46,12 @@ Description
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if C < 0:
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\f[
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mDot = -C \rho \alpha (T_{activate} - \T)/T_{activate}
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\dot{m} = -C \rho \alpha (T_{activate} - T)/T_{activate}
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\f]
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for \f[ T < T_{activate} \f]
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and
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\f[ mDot = 0.0 \f] for \f[ T > T_{activate} \f]
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\f[ \dot{m} = 0.0 \f] for \f[ T > T_{activate} \f]
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Based on the reference:
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-# W. H. Lee. "A Pressure Iteration Scheme for Two-Phase Modeling".
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@ -25,38 +25,37 @@ Class
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Foam::meltingEvaporationModels::kineticGasEvaporation
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Description
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Considering the Hertz Knudsen formula, which gives the
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evaporation-condensation flux based on the kinetic theory for flat
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interface:
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\f[
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Flux = C sqrt(M/(2 \pi \R T_{activate}))(\p - pSat)
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Flux = C \sqrt{\frac{M}{2 \pi R T_{activate}}}(p - p_{sat})
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\f]
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where:
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\vartable
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Flux | mass flux rate [Kg/s/m2]
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Flux | mass flux rate [kg/s/m2]
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M | molecular weight
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T_{activate} | saturation temperature
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C | accomodation coefficient
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R | universal gas constant
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pSat | saturation pressure
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\p | vapor partial pressure
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p_{sat} | saturation pressure
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p | vapor partial pressure
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\endvartable
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The Clapeyron-Clausius equation relates the pressure to the temperature
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for the saturation condition:
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\f[
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dp/dT = - L / (T*(nuv - nul))
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\frac{dp}{dT} = - \frac{L}{T (\nu_v - \nu_l)}
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\f]
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where:
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\vartable
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L | latent heat
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nuv | inverse of the vapor density
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nul | inverse of the liquid density
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\nu_v | inverse of the vapor density
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\nu_l | inverse of the liquid density
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\endvartable
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@ -64,10 +63,10 @@ Description
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\f[
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Flux =
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2 C/(2 - C)
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sqrt(M/(2 \pi \R T_{activate}))
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2 \frac{C}{2 - C}
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\sqrt{\frac{M}{2 \pi R T_{activate}}}
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L (\rho_{v}*\rho_{l}/(\rho_{l} - \rho_{v}))
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(\T - T_{activate})/T_{activate}
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(T - T_{activate})/T_{activate}
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\f]
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This assumes liquid and vapour are in equilibrium, then the accomodation
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@ -75,7 +74,7 @@ Description
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Hertz-Knudsen-Schrage.
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Based on the reference:
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- Van P. Carey, “Liquid-Vapor Phase Change Phenomena”, ISBN 0-89116836,
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- Van P. Carey, Liquid-Vapor Phase Change Phenomena, ISBN 0-89116836,
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1992, pp. 112-121.
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@ -28,6 +28,7 @@ Description
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A topoSetCellSource to select cells belonging to a topological connected
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region (that contains given points)
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Usage
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In dictionary input:
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\verbatim
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// optional name of cellSet delimiting search
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@ -41,7 +42,7 @@ Description
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insidePoints ((1 2 3));
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\endverbatim
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\heading Dictionary parameters
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Dictionary parameters:
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\table
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Property | Description | Required | Default
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insidePoints | Points inside regions | yes |
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@ -68,7 +69,7 @@ namespace Foam
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class regionSplit;
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/*---------------------------------------------------------------------------*\
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Class regionToCell Declaration
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Class regionToCell Declaration
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\*---------------------------------------------------------------------------*/
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class regionToCell
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@ -151,7 +152,6 @@ public:
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const topoSetSource::setAction action,
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topoSet& set
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) const;
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};
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@ -70,14 +70,14 @@ Description
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The \c rootdir normally corresponds to something like
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\c postProcessing/\<name\>
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\subheading Geometry
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where the geometry is written as:
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\verbatim
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rootdir
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`-- surfaceName
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`-- "points"
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\endverbatim
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\subheading Fields
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and field data:
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\verbatim
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rootdir
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`-- surfaceName
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