Symbol

Units

Description

Modelica ID

$\mathrm{dp}$

$\mathrm{Pa}$

Pressure difference

p

$\mathrm{mflow}$

$\frac{\mathrm{kg}}{s}$

Mass flow rate

mflow

$v$

$\frac{m}{s}$

Velocity of flow

v

$Q$

$\frac{m^3}{s}$

Volume flow rate

Q

$\mathrm{Q\_\_target}$

$\frac{m^3}{s}$

Targeted volume flow rate

Q_target

Name

Units

Condition

Description

Modelica ID

$\mathrm{port\_\_a}$

Air Port

$\mathrm{port\_a}$

$\mathrm{port\_\_b}$

Air Port

$\mathrm{port\_b}$

$w$

$\frac{\mathrm{rad}}{s}$

Fan speed

$\mathrm{w}$

$\mathrm{Q\_\_in}$

If External input of Designed volume flow rate is true

Designed volume flow rate input.

$\mathrm{Qin}$

Symbol

Default

Units

Description

Modelica ID

$$\begin{gathered} \mathrm{Air} \\ \mathrm{simulation} \\ \mathrm{settings} \end{gathered}$$

$\mathrm{AirSettings1}$

$-$

Specify a component of Air simulation settings

Settings

$\mathrm{w\_\_max}$

$200$

$\frac{\mathrm{rad}}{s}$

Maximum fan speed

w_max

$A$

$\frac{1}{400} \mathrm{Pi}$

$-$

Flow area

A

$\mathrm{data} \mathrm{source\_\_PQ}$

inline

-

See Data Source Options section above.

PQ_datasourcemode

$P-Q \mathrm{curve}$

$\left[\begin{array}{cc}0& 140\\ \frac{1}{144}& 138\\ \frac{1}{72}& 135\\ \frac{7}{360}& 130\\ \frac{1}{45}& 125\\ \frac{1}{30}& 100\\ 0.0375& 75\\ \frac{1}{24}& 50\\ \frac{31}{720}& 25\\ \frac{2}{45}& 0\end{array}\right]$

$-$

P-Q characteristic curve, if $\mathit{data}\mathbf{ }\mathrm{source\_\_PQ}$ = inline.

[1] :Volume flow rate

[2] :Pressure difference

PQ_curve

$P-Q \mathrm{data}$

$2$

-

P-Q characteristic curve, if $\mathit{data}\mathbf{ }\mathrm{source\_\_PQ}$ =file or attachment. You can specify data by using an attached file or specifying the path of file (.csv and .xls, .xlsx)

PQ_data

$\mathrm{columns\_\_PQ}$

$\left[2\right]$

-

Determines which columns of the data table will be used to interpolate.

For example, in an Excel spreadsheet, column A corresponds with 1, column B corresponds with 2, and so on.

PQ_columns

$\mathrm{skip} \mathrm{rows\_\_PQ}$

0

-

Number of rows that are skipped from the top of the data table.

PQ_skiprows

$\mathrm{smoothness\_\_PQ}$

Table points are linearly interpolated

-

Determines whether the data points will be interpolated linearly or with a cubic spline.

PQ_smoothness

$\mathrm{T\_\_const}$

$0.001$

$s$

Time constant for Volume flow rate if Dynamics of mass is Dynamic.

T_const

$\mathrm{Q\_\_designed}$

$0.1$

$\frac{m^3}{s}$

use as Designed volume flow rate if Dynamics of mass is Static and External input of Designed volume flow rate is false.

Q_designed

$$\begin{gathered} \mathrm{External} \\ \mathrm{input} \mathrm{of} \\ \mathrm{Designed} \\ \mathrm{Volume} \\ \mathrm{flow} \mathrm{rate} \end{gathered}$$

$\mathrm{false}$

$-$

If External input of Designed volume flow rate is false, input port $\mathrm{Q\_\_in}$ is used as the designed volume flow rate.

useExtQ_designed