DittusBoelterFunctorMaterial

The Dittus-Boelter heat transfer coefficient $var element = document.getElementById("moose-equation-b3bd12d7-cf72-42ca-92c7-d3b36a519016");katex.render("h", element, {displayMode:false,throwOnError:false});$ is computed as:

var element = document.getElementById("moose-equation-a6904300-c781-4c8a-8eeb-a7172110b417");katex.render("h = \\dfrac{Nu k}{D_h}", element, {displayMode:true,throwOnError:false});

where $var element = document.getElementById("moose-equation-2f556e97-ace6-4157-8196-4f0b7336cadf");katex.render("D_h", element, {displayMode:false,throwOnError:false});$ is the local hydraulic diameter, $var element = document.getElementById("moose-equation-75bdf9ee-c99f-490f-ae70-ee8921b7bf40");katex.render("k", element, {displayMode:false,throwOnError:false});$ is the thermal conductivity and $var element = document.getElementById("moose-equation-8a9481ea-1a7d-4e50-87c5-d48bbf2d8fa0");katex.render("Nu", element, {displayMode:false,throwOnError:false});$ is the Nusselt number. The Nusselt number in this correlation is:

var element = document.getElementById("moose-equation-dd89bee6-b305-4a32-a7f2-6547d206d69f");katex.render("Nu = 0.023 Re^{\\dfrac{4}{5}} Pr^n;", element, {displayMode:true,throwOnError:false});

with $var element = document.getElementById("moose-equation-f304b995-c3c9-499c-8c58-7714302d491e");katex.render("n = 0.4", element, {displayMode:false,throwOnError:false});$ if the fluid temperature is lower than the wall temperature and $var element = document.getElementById("moose-equation-373d8c10-6812-40d6-8f1b-569784b5691c");katex.render("n = 0.3", element, {displayMode:false,throwOnError:false});$ otherwise, $var element = document.getElementById("moose-equation-c0dc5699-6681-4ffd-8063-d00ae8117416");katex.render("Re", element, {displayMode:false,throwOnError:false});$ being the Reynolds number and $var element = document.getElementById("moose-equation-cc7f6de1-e1c8-43d3-bd63-bcd40ea2ff91");katex.render("Pr", element, {displayMode:false,throwOnError:false});$ being the Prandtl number.

This correlation is valid for Reynolds numbers in the range $var element = document.getElementById("moose-equation-c52bfca6-32ca-4312-945e-49fcb4262a82");katex.render("10^4 \\leq \\text{Re} \\leq 1.2 \\cdot 10^5", element, {displayMode:false,throwOnError:false});$ and Prandtl numbers in the range $var element = document.getElementById("moose-equation-8c4b6ddf-863e-4bd0-a90c-8f08d2731779");katex.render("0.7 \\leq \\text{Pr} \\leq 160", element, {displayMode:false,throwOnError:false});$ .

Input Parameters

D_hHydraulic diameter. A functor is any of the following: a variable, a functor material property, a function, a postprocessor or a number.
C++ Type:MooseFunctorName
Unit:(no unit assumed)
Controllable:No
Description:Hydraulic diameter. A functor is any of the following: a variable, a functor material property, a function, a postprocessor or a number.
HwHeat transfer coefficient material property. A functor is any of the following: a variable, a functor material property, a function, a postprocessor or a number.
C++ Type:MooseFunctorName
Unit:(no unit assumed)
Controllable:No
Description:Heat transfer coefficient material property. A functor is any of the following: a variable, a functor material property, a function, a postprocessor or a number.
PrThe Prandtl number. A functor is any of the following: a variable, a functor material property, a function, a postprocessor or a number.
C++ Type:MooseFunctorName
Unit:(no unit assumed)
Controllable:No
Description:The Prandtl number. A functor is any of the following: a variable, a functor material property, a function, a postprocessor or a number.
ReThe Reynolds number. A functor is any of the following: a variable, a functor material property, a function, a postprocessor or a number.
C++ Type:MooseFunctorName
Unit:(no unit assumed)
Controllable:No
Description:The Reynolds number. A functor is any of the following: a variable, a functor material property, a function, a postprocessor or a number.
T_fluidFluid temperature. A functor is any of the following: a variable, a functor material property, a function, a postprocessor or a number.
C++ Type:MooseFunctorName
Unit:(no unit assumed)
Controllable:No
Description:Fluid temperature. A functor is any of the following: a variable, a functor material property, a function, a postprocessor or a number.
T_wallWall temperature. A functor is any of the following: a variable, a functor material property, a function, a postprocessor or a number.
C++ Type:MooseFunctorName
Unit:(no unit assumed)
Controllable:No
Description:Wall temperature. A functor is any of the following: a variable, a functor material property, a function, a postprocessor or a number.
kHeat conductivity of the fluid. A functor is any of the following: a variable, a functor material property, a function, a postprocessor or a number.
C++ Type:MooseFunctorName
Unit:(no unit assumed)
Controllable:No
Description:Heat conductivity of the fluid. A functor is any of the following: a variable, a functor material property, a function, a postprocessor or a number.

Required Parameters

blockThe list of blocks (ids or names) that this object will be applied
C++ Type:std::vector<SubdomainName>
Controllable:No
Description:The list of blocks (ids or names) that this object will be applied
declare_suffixAn optional suffix parameter that can be appended to any declared properties. The suffix will be prepended with a '_' character.
C++ Type:MaterialPropertyName
Unit:(no unit assumed)
Controllable:No
Description:An optional suffix parameter that can be appended to any declared properties. The suffix will be prepended with a '_' character.
execute_onALWAYSThe list of flag(s) indicating when this object should be executed. For a description of each flag, see https://mooseframework.inl.gov/source/interfaces/SetupInterface.html.
Default:ALWAYS
C++ Type:ExecFlagEnum
Options:NONE, INITIAL, LINEAR, LINEAR_CONVERGENCE, NONLINEAR, NONLINEAR_CONVERGENCE, POSTCHECK, TIMESTEP_END, TIMESTEP_BEGIN, MULTIAPP_FIXED_POINT_END, MULTIAPP_FIXED_POINT_BEGIN, MULTIAPP_FIXED_POINT_CONVERGENCE, FINAL, CUSTOM, ALWAYS
Controllable:No
Description:The list of flag(s) indicating when this object should be executed. For a description of each flag, see https://mooseframework.inl.gov/source/interfaces/SetupInterface.html.

Optional Parameters

control_tagsAdds user-defined labels for accessing object parameters via control logic.
C++ Type:std::vector<std::string>
Controllable:No
Description:Adds user-defined labels for accessing object parameters via control logic.
enableTrueSet the enabled status of the MooseObject.
Default:True
C++ Type:bool
Controllable:Yes
Description:Set the enabled status of the MooseObject.
implicitTrueDetermines whether this object is calculated using an implicit or explicit form
Default:True
C++ Type:bool
Controllable:No
Description:Determines whether this object is calculated using an implicit or explicit form
seed0The seed for the master random number generator
Default:0
C++ Type:unsigned int
Controllable:No
Description:The seed for the master random number generator

Advanced Parameters

output_propertiesList of material properties, from this material, to output (outputs must also be defined to an output type)
C++ Type:std::vector<std::string>
Controllable:No
Description:List of material properties, from this material, to output (outputs must also be defined to an output type)
outputsnone Vector of output names where you would like to restrict the output of variables(s) associated with this object
Default:none
C++ Type:std::vector<OutputName>
Controllable:No
Description:Vector of output names where you would like to restrict the output of variables(s) associated with this object

Outputs Parameters

Input Parameters