mirror of
https://develop.openfoam.com/Development/openfoam.git
synced 2025-11-28 03:28:01 +00:00
DOC: Updated header documentation
This commit is contained in:
@ -28,14 +28,14 @@ Description
|
|||||||
Mass tranfer Lee model. Simple model driven by field value difference as:
|
Mass tranfer Lee model. Simple model driven by field value difference as:
|
||||||
|
|
||||||
\f[
|
\f[
|
||||||
mDot = C \rho \alpha (\T - T_{activate})/T_{activate}
|
\dot{m} = C \rho \alpha (T - T_{activate})/T_{activate}
|
||||||
\f]
|
\f]
|
||||||
|
|
||||||
where C is a model constant.
|
where C is a model constant.
|
||||||
|
|
||||||
if C > 0:
|
if C > 0:
|
||||||
\f[
|
\f[
|
||||||
mDot = C \rho \alpha*(\T - T_{activate})/T_{activate}
|
\dot{m} = C \rho \alpha (T - T_{activate})/T_{activate}
|
||||||
\f]
|
\f]
|
||||||
for \f[ T > T_{activate} \f]
|
for \f[ T > T_{activate} \f]
|
||||||
|
|
||||||
@ -46,12 +46,12 @@ Description
|
|||||||
|
|
||||||
if C < 0:
|
if C < 0:
|
||||||
\f[
|
\f[
|
||||||
mDot = -C \rho \alpha (T_{activate} - \T)/T_{activate}
|
\dot{m} = -C \rho \alpha (T_{activate} - T)/T_{activate}
|
||||||
\f]
|
\f]
|
||||||
for \f[ T < T_{activate} \f]
|
for \f[ T < T_{activate} \f]
|
||||||
|
|
||||||
and
|
and
|
||||||
\f[ mDot = 0.0 \f] for \f[ T > T_{activate} \f]
|
\f[ \dot{m} = 0.0 \f] for \f[ T > T_{activate} \f]
|
||||||
|
|
||||||
Based on the reference:
|
Based on the reference:
|
||||||
-# W. H. Lee. "A Pressure Iteration Scheme for Two-Phase Modeling".
|
-# W. H. Lee. "A Pressure Iteration Scheme for Two-Phase Modeling".
|
||||||
|
|||||||
@ -25,38 +25,37 @@ Class
|
|||||||
Foam::meltingEvaporationModels::kineticGasEvaporation
|
Foam::meltingEvaporationModels::kineticGasEvaporation
|
||||||
|
|
||||||
Description
|
Description
|
||||||
|
|
||||||
Considering the Hertz Knudsen formula, which gives the
|
Considering the Hertz Knudsen formula, which gives the
|
||||||
evaporation-condensation flux based on the kinetic theory for flat
|
evaporation-condensation flux based on the kinetic theory for flat
|
||||||
interface:
|
interface:
|
||||||
|
|
||||||
\f[
|
\f[
|
||||||
Flux = C sqrt(M/(2 \pi \R T_{activate}))(\p - pSat)
|
Flux = C \sqrt{\frac{M}{2 \pi R T_{activate}}}(p - p_{sat})
|
||||||
\f]
|
\f]
|
||||||
|
|
||||||
where:
|
where:
|
||||||
\vartable
|
\vartable
|
||||||
Flux | mass flux rate [Kg/s/m2]
|
Flux | mass flux rate [kg/s/m2]
|
||||||
M | molecular weight
|
M | molecular weight
|
||||||
T_{activate} | saturation temperature
|
T_{activate} | saturation temperature
|
||||||
C | accomodation coefficient
|
C | accomodation coefficient
|
||||||
R | universal gas constant
|
R | universal gas constant
|
||||||
pSat | saturation pressure
|
p_{sat} | saturation pressure
|
||||||
\p | vapor partial pressure
|
p | vapor partial pressure
|
||||||
\endvartable
|
\endvartable
|
||||||
|
|
||||||
The Clapeyron-Clausius equation relates the pressure to the temperature
|
The Clapeyron-Clausius equation relates the pressure to the temperature
|
||||||
for the saturation condition:
|
for the saturation condition:
|
||||||
|
|
||||||
\f[
|
\f[
|
||||||
dp/dT = - L / (T*(nuv - nul))
|
\frac{dp}{dT} = - \frac{L}{T (\nu_v - \nu_l)}
|
||||||
\f]
|
\f]
|
||||||
|
|
||||||
where:
|
where:
|
||||||
\vartable
|
\vartable
|
||||||
L | latent heat
|
L | latent heat
|
||||||
nuv | inverse of the vapor density
|
\nu_v | inverse of the vapor density
|
||||||
nul | inverse of the liquid density
|
\nu_l | inverse of the liquid density
|
||||||
\endvartable
|
\endvartable
|
||||||
|
|
||||||
|
|
||||||
@ -64,10 +63,10 @@ Description
|
|||||||
|
|
||||||
\f[
|
\f[
|
||||||
Flux =
|
Flux =
|
||||||
2 C/(2 - C)
|
2 \frac{C}{2 - C}
|
||||||
sqrt(M/(2 \pi \R T_{activate}))
|
\sqrt{\frac{M}{2 \pi R T_{activate}}}
|
||||||
L (\rho_{v}*\rho_{l}/(\rho_{l} - \rho_{v}))
|
L (\rho_{v}*\rho_{l}/(\rho_{l} - \rho_{v}))
|
||||||
(\T - T_{activate})/T_{activate}
|
(T - T_{activate})/T_{activate}
|
||||||
\f]
|
\f]
|
||||||
|
|
||||||
This assumes liquid and vapour are in equilibrium, then the accomodation
|
This assumes liquid and vapour are in equilibrium, then the accomodation
|
||||||
@ -75,7 +74,7 @@ Description
|
|||||||
Hertz-Knudsen-Schrage.
|
Hertz-Knudsen-Schrage.
|
||||||
|
|
||||||
Based on the reference:
|
Based on the reference:
|
||||||
- Van P. Carey, “Liquid-Vapor Phase Change Phenomena”, ISBN 0-89116836,
|
- Van P. Carey, Liquid-Vapor Phase Change Phenomena, ISBN 0-89116836,
|
||||||
1992, pp. 112-121.
|
1992, pp. 112-121.
|
||||||
|
|
||||||
|
|
||||||
|
|||||||
@ -28,6 +28,7 @@ Description
|
|||||||
A topoSetCellSource to select cells belonging to a topological connected
|
A topoSetCellSource to select cells belonging to a topological connected
|
||||||
region (that contains given points)
|
region (that contains given points)
|
||||||
|
|
||||||
|
Usage
|
||||||
In dictionary input:
|
In dictionary input:
|
||||||
\verbatim
|
\verbatim
|
||||||
// optional name of cellSet delimiting search
|
// optional name of cellSet delimiting search
|
||||||
@ -41,7 +42,7 @@ Description
|
|||||||
insidePoints ((1 2 3));
|
insidePoints ((1 2 3));
|
||||||
\endverbatim
|
\endverbatim
|
||||||
|
|
||||||
\heading Dictionary parameters
|
Dictionary parameters:
|
||||||
\table
|
\table
|
||||||
Property | Description | Required | Default
|
Property | Description | Required | Default
|
||||||
insidePoints | Points inside regions | yes |
|
insidePoints | Points inside regions | yes |
|
||||||
@ -68,7 +69,7 @@ namespace Foam
|
|||||||
class regionSplit;
|
class regionSplit;
|
||||||
|
|
||||||
/*---------------------------------------------------------------------------*\
|
/*---------------------------------------------------------------------------*\
|
||||||
Class regionToCell Declaration
|
Class regionToCell Declaration
|
||||||
\*---------------------------------------------------------------------------*/
|
\*---------------------------------------------------------------------------*/
|
||||||
|
|
||||||
class regionToCell
|
class regionToCell
|
||||||
@ -151,7 +152,6 @@ public:
|
|||||||
const topoSetSource::setAction action,
|
const topoSetSource::setAction action,
|
||||||
topoSet& set
|
topoSet& set
|
||||||
) const;
|
) const;
|
||||||
|
|
||||||
};
|
};
|
||||||
|
|
||||||
|
|
||||||
|
|||||||
@ -70,14 +70,14 @@ Description
|
|||||||
The \c rootdir normally corresponds to something like
|
The \c rootdir normally corresponds to something like
|
||||||
\c postProcessing/\<name\>
|
\c postProcessing/\<name\>
|
||||||
|
|
||||||
\subheading Geometry
|
where the geometry is written as:
|
||||||
\verbatim
|
\verbatim
|
||||||
rootdir
|
rootdir
|
||||||
`-- surfaceName
|
`-- surfaceName
|
||||||
`-- "points"
|
`-- "points"
|
||||||
\endverbatim
|
\endverbatim
|
||||||
|
|
||||||
\subheading Fields
|
and field data:
|
||||||
\verbatim
|
\verbatim
|
||||||
rootdir
|
rootdir
|
||||||
`-- surfaceName
|
`-- surfaceName
|
||||||
|
|||||||
Reference in New Issue
Block a user