Type of Media = Actual Air (CoolProp)

Type of Media = Ideal Air (NASA Poly)  

Density of Air calculated from pressure and temperature :

$\mathrm{\ρ}\=\frac{\mathrm{pin}}{\mathrm{R\_\_gas}\cdot \mathrm{Tin}\left[1\right]}$

Specific enthalpy of Air calculated from pressure and temperature :

$\mathrm{hflow}\=\mathrm{Function\_\_hflow}\left(\mathrm{Tin}\left[1\right]\right)$
($\mathrm{Function\_\_hflow}$ call a function of a NASA Polynomial internally)

Viscosity of Air calculated from pressure and temperature is :

$\mathrm{\μ}\=\mathrm{Function\_\_\μ}\left(\mathrm{Tin}\left[1\right]\right)$($\mathrm{Function\_\_\μ}$ call a fitted equation internally)

Thermal conductivity of Air calculated from pressure and temperature is :

$k\=\mathrm{Function\_\_k}\left( \mathrm{Tin}\left[1\right]\right)$($\mathrm{Function\_\_k}$ call a fitted equation internally)

Specific heat capacity at the constant pressure of Air calculated from pressure and temperature is :

$\mathrm{c\_\_p}\=\mathrm{Function\_\_c\_\_p}\left(\mathrm{Tin}\left[1\right]\right)$

($\mathrm{Function\_\_c\_\_p}$ call a function of NASA Polynomial internally)

Reynolds number of Air calculated from pressure, temperature flow length, and wind speed is :

$\mathrm{Re}\mathit{\=}\mathrm{Function\_\_Re}\left(\mathrm{pin}\, \mathrm{Tin}\left[1\right]\, \mathrm{Tin}\left[2\right]\,X\,\mathrm{Vin}\right)$

( $\mathrm{Re}\=\frac{\mathrm{\ρ}\cdot \mathrm{Vin}\cdot X}{\mathrm{\μ}}$, and $\mathrm{\ρ}$ and $\mathrm{\μ}$ are calculated from $T$ and $\mathrm{pin}$)

Prandtl number of Air calculated from pressure and temperature is :

$\mathrm{Pr}\=\mathrm{Function\_\_Pr}\left(\mathrm{Tin}\left[1\right]\, \mathrm{Tin}\left[2\right]\right)$

( $\mathrm{Pr}\=\frac{\mathrm{c\_\_p}\cdot \mathrm{\μ}}{k}$, and $\mathrm{c\_\_p}$ and $\mathrm{\μ}$ and $k$ is calculated from $T$ )

Grashof number of Air calculated from pressure, temperature, and flow length is :

$\mathrm{Gr}\=\mathrm{Function\_\_Gr}\left(\mathrm{Tin}\left[1\right]\, \mathrm{Tin}\left[2\right]\,9.81\, X\right)$

( $\mathrm{Gr}\=\frac{g\cdot {\mathrm{\rho }}^2\cdot \mathrm{\β}\cdot \left|T\[1\]-T\[2\]\right|\cdot X^3}{{\mathrm{\μ}}^2}$, where $g\=9.81$, $\mathrm{\β}\=\frac{1}{T}$$\,\mathrm{\μ}$ and $\mathrm{\ρ}$ are calculated from $T$ and $\mathrm{pin}$)$$

Type of Media = Simple Air (Constant)  

Density of Air calculated from pressure and temperature :

$\mathrm{\rho }\=\frac{\mathrm{pin}}{\mathrm{R\_\_gas}\cdot \mathrm{Tin}\left[1\right]}$

Specific enthalpy of Air calculated from temperature :

$\mathrm{hflow}\=\mathrm{c\_\_p}\cdot T\+\mathrm{hflow\_\_off}$

$\mathrm{hflow\_\_off}\=124648.4919$$$

Viscosity of Air is a constant$\mathrm{\μ}$.

Thermal conductivity of Air is a constant $k$.

Specific heat capacity at the constant pressure of Air is a constant $\mathrm{c\_\_p}$.

Reynolds number of Air is :

$\mathrm{Re}\mathit{\=}\frac{\mathrm{\rho }\cdot \mathrm{Vin}\cdot X}{\mathrm{\μ}}$

Prandtl number of Air is :

$\mathrm{Pr}\=\frac{\mathrm{c\_\_p}\cdot \mathrm{\mu }}{k}$

Grashof number of Air is :

$\mathrm{Gr}\=\frac{9.81\cdot {\mathrm{\rho }}^2\cdot \frac{1}{T}\cdot \left|T\[1\]-T\[2\]\right|\cdot X^3}{{\mathrm{\mu }}^2}$

Type of Media = Water (IAPWS/IF97)  

Density of Water calculated from pressure and temperature :

$\mathrm{\ρ}\=\mathrm{Function\_\_\ρ}\left(\mathrm{pin}\, \mathrm{Tin}\left[1\right]\right)$

($\mathrm{Function\_\_\ρ}$ call a function of Modelica.Media.Water,IAPWS/IF97, internally)

Specific enthalpy of Air calculated from pressure and temperature :

$\mathrm{hflow}\=\mathrm{Function\_\_hflow}\left(\mathrm{pin}\, \mathrm{Tin}\left[1\right]\right)$
($\mathrm{Function\_\_hflow}$ call a function of Modelica.Media.Water,IAPWS/IF97, internally)

Viscosity of Air calculated from pressure and temperature is :

$\mathrm{\μ}\=\mathrm{Function\_\_\μ}\left(\mathrm{pin}\, \mathrm{Tin}\left[1\right]\right)$($\mathrm{Function\_\_\μ}$ call a function of Modelica.Media.Water,IAPWS/IF97, internally)

Thermal conductivity of Air calculated from pressure and temperature is :

$k\=\mathrm{Function\_\_k}\left(\mathrm{pin}\, \mathrm{Tin}\left[1\right]\right)$($\mathrm{Function\_\_k}$ call a function of Modelica.Media.Water,IAPWS/IF97, internally)

Specific heat capacity at the constant pressure of Air calculated from pressure and temperature is :

$\mathrm{c\_\_p}\=\mathrm{Function\_\_c\_\_p}\left(\mathrm{pin}\, \mathrm{Tin}\left[1\right]\right)$

($\mathrm{Function\_\_c\_\_p}$ call a function of Modelica.Media.Water,IAPWS/IF97, internally)

Reynolds number of Air calculated from pressure, temperature, flow length, and wind speed is :

$\mathrm{Re}\mathit{\=}\mathrm{Function\_\_Re}\left(\mathrm{pin}\, \mathrm{Tin}\left[1\right]\, \mathrm{Tin}\left[2\right]\, X\, \mathrm{Vin}\right)$

( $\mathrm{Re}\=\frac{\mathrm{\ρ}\cdot \mathrm{Vin}\cdot X}{\mathrm{\μ}}$, and $\mathrm{\ρ}$ and $\mathrm{\μ}$ is calculated from $\mathrm{pin}$ and $T$ )

Prandtl number of Air calculated from pressure and temperature is :

$\mathrm{Pr}\=\mathrm{Function\_\_Pr}\left(\mathrm{pin}\, \mathrm{Tin}\left[1\right]\, \mathrm{Tin}\left[2\right]\right)$

( $\mathrm{Pr}\=\frac{\mathrm{c\_\_p}\cdot \mathrm{\μ}}{k}$, and $\mathrm{c\_\_p}$ and $\mathrm{\μ}$ and $k$ is calculated from $\mathrm{pin}$ and $T$ )

Grashof number of Air calculated from pressure, temperature, and flow length is :

$\mathrm{Gr}\=\mathrm{Function\_\_Gr}\left(\mathrm{pin}\, \mathrm{Tin}\left[1\right]\, \mathrm{Tin}\left[2\right]\,9.81\, X\right)$

( $\mathrm{Gr}\=\frac{g\cdot {\mathrm{\rho }}^2\cdot \mathrm{\beta }\cdot \left|T\[1\]-T\[2\]\right|\cdot X^3}{{\mathrm{\mu }}^2}$, where $g\=9.81$, $\mathrm{\β}\=\frac{1}{T}$$\,\mathrm{\μ}$ and $\mathrm{\ρ}$ are calculated from $\mathrm{pin}$ and $T$ )

Type of Media = Liquid water (Lookup table of IAPWS/IF97)  

Density of Water calculated from pressure and temperature :

$\mathrm{\ρ}\=\mathrm{LUT\_\_\ρ}\left(\mathrm{pin}\, \mathrm{Tin}\left[1\right]\right)$

($\mathrm{LUT\_\_\ρ}$ is a lookup table which is generated with Modelica.Media.Water, IAPWS/IF97)

Specific enthalpy of Water calculated from pressure and temperature :

$\mathrm{hflow}\=\mathrm{LUT\_\_hflow}\left(\mathrm{pin}\, \mathrm{Tin}\left[1\right]\right)$
($\mathrm{LUT\_\_hflow}$ is a lookup table which is generated with Modelica.Media.Water, IAPWS/IF97)

Viscosity of Water calculated from pressure and temperature is :

$\mathrm{\μ}\=\mathrm{LUT\_\_\μ}\left(\mathrm{pin}\, \mathrm{Tin}\left[1\right]\right)$($\mathrm{LUT\_\_\μ}$ is a lookup table which is generated with Modelica.Media.Water, IAPWS/IF97)

Thermal conductivity of Water calculated from pressure and temperature is :

$k\=\mathrm{LUT\_\_k}\left(\mathrm{pin}\, \mathrm{Tin}\left[1\right]\right)$($\mathrm{LUT\_\_k}$ is a lookup table which is generated with Modelica.Media.Water, IAPWS/IF97)

Specific heat capacity at the constant pressure of Water calculated from pressure and temperature is :

$\mathrm{c\_\_p}\=\mathrm{LUT\_\_c\_\_p}\left(\mathrm{pin}\, \mathrm{Tin}\left[1\right]\right)$

($\mathrm{LUT\_\_c\_\_p}$ is a lookup table which is generated with Modelica.Media.Water, IAPWS/IF97)

Reynolds number of Water calculated from pressure, temperature, flow length, and wind speed is :

$\mathrm{Re}\mathit{\=}\frac{\mathrm{\rho }\cdot \mathrm{Vin}\cdot X}{\mathrm{\μ}}$

Prandtl number of Water calculated from pressure and temperature is :

$\mathrm{Pr}\=\frac{\mathrm{c\_\_p}\cdot \mathrm{\mu }}{k}$

Grashof number of Water calculated from pressure, temperature, and flow length is :

$\mathrm{Gr}\=\frac{g\cdot {\mathrm{\rho }}^2\cdot \mathrm{\β}\cdot \left|T\[1\]-T\[2\]\right|\cdot X^3}{{\mathrm{\mu }}^2}$

$\mathrm{\beta }\=\frac{1}{T}$

Type of Media = Simple Water (Constant)  

Density of Water calculated from pressure and temperature :

$\mathrm{\rho }\=\frac{\mathrm{pin}}{\mathrm{R\_\_gas}\cdot \mathrm{Tin}\left[1\right]}$

Specific enthalpy of Water calculated from temperature :

$\mathrm{hflow}\=\mathrm{c\_\_p}\cdot T\+\mathrm{hflow\_\_off}$
$\mathrm{hflow\_\_off}\=-1142798.49977$

Viscosity of Water is a constant$\mathrm{\μ}$.

Thermal conductivity of Water is a constant $k$.$$

Specific heat capacity at the constant pressure of Water is a constant $\mathrm{c\_\_p}$.$$

Reynolds number of Water is :

$\mathrm{Re}\mathit{\=}\frac{\mathrm{\rho }\cdot \mathrm{Vin}\cdot X}{\mathrm{\μ}}$

Prandtl number of Water is :

$\mathrm{Pr}\=\frac{\mathrm{c\_\_p}\cdot \mathrm{\mu }}{k}$

Grashof number of Water is :

$\mathrm{Gr}\=\frac{9.81\cdot {\mathrm{\rho }}^2\cdot \frac{1}{T}\cdot \left|T\[1\]-T\[2\]\right|\cdot X^3}{{\mathrm{\mu }}^2}$