Symbol

Units

Description

Modelica ID

$\mathrm{T\_\_}$

$K$

Averaged temperature between Tin[1] and Tin[2]

$h$

$\frac{W}{m^2\cdot K}$

Heat transfer coefficient

$\mathrm{Nu}$

Nusselt number

$\mathrm{Pr}$

Prandtl number

$\mathrm{Gr}$

Grashof number

$\mathrm{Ra}$

Rayleigh number

$k$

$\frac{W}{m\cdot K}$

Thermal conductivity

Name

Units

Condition

Description

Modelica ID

$\mathrm{pin}$

$\mathrm{Pa}$

-

Pressure input

pin

$\mathrm{Tin}\left[2\right]$

$K$

-

Temperature inputs

Tin[2]

$\mathrm{out}$

$\frac{W}{m\cdot K}$

-

Heat transfer coefficient of Natural convection

out

Symbol

Default

Units

Description

Modelica ID

$X$

$0.1$

$m$

Streamwise length

X

$C_{\mathrm{lam}}$

$0.59$

Gain parameter for Reynolds number in the generalized experimental equation of Natural convection generalized equation when Fluid is laminar.

C_lam

$n_{\mathrm{lam}}$

$\frac{1}{4}$

Exponent parameter for Reynolds number in the generalized experimental equation of Natural convection generalized equation when Fluid is laminar.

n_lam

$C_{\mathrm{tur}}$

$0.1$

Gain parameter for Reynolds number in the generalized experimental equation of Natural convection generalized equation when Fluid is Turbulent.

C_tur

$n_{\mathrm{tur}}$

$\frac{1}{3}$

Exponent parameter for Reynolds number in the generalized experimental equation of Natural convection generalized equation when Fluid is Turbulent.

n_tur

$\mathrm{Threshold}$

${10}^9$

Threshold value for Reynolds number to define Laminar or Turbulent.

TH

Symbol

Units

Description

Modelica ID

$\mathrm{T\_\_0}$

$K$

Initial condition of the averaged temperature

T(0)