# RUE-File

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Stormwater overflow (combined sewer overflow)

also refer to Theory:Branching point

## File

```*Regenüberläufe (*.RUE)
*=====================
*
*|------------|-------------------------------|--------------|-----|-----|
*| Bez.   Kng |       N a e h e r u n g       |  Kennlinie   | Ktr | Str |
*|      |     | Schwellenwert| proz. Aufteilg |              |     |     |
*|      |     |  Qdr   Trenn |(gibt nach Qdr) |  Qzu    Qdr  | ID  | ZR  |
*|------------|-------------------------------|--------------|-----|-----|
*|  -   | 1-3 |  l/s    -    |       %        |   l/s   l/s  |  -  |  -  |
*|-<-->-|-<->-|-<----><---->-|-<------------>-|-<----><---->-|-<->-|-<->-|
|   A  |  B  |   C      D   |       E        |    F     G   |  H  |  I  |
*|------------|-------------------------------|--------------|-----|-----|
```

## Explanations

• A: Unique ID of the stormwater overflow (must begin with 'R')
• B: Calculation type (1 = threshold value with the option to define a selectivity; 2 = percentage distribution; 3 = characteristic curve)

Calculation type 1: threshold value

• C: threshold value that defines as of which critical inflow Qdr the 2. outflow will be active
• D: the selectivity for the threshold value

Calculation type 2: percentage distribution

• E: Independent of the inflow a constant distribution in two outflows Qdr and Qent according to a certain percentage ratio will be used. If 100% Qdr will consist of the entire inflow.

Calculation type 3: characteristic curve

• F, G: A dependency between outflow Qdr and inflow resulting out of hydraulic calculations or operation standards is set as a polygon course. The second outflow Qent is calculated as the remaining value of (inflow - Qdr). Attention: The characteristic curve is extrapolated in the calculation which results in the slope of the last interval being used to calculate the extrapolated outflows, if greater inflows occur than the last value of the characteristic curve.

Steering options

• H: ID of the control function in the KTR-File (Parameter KTRKng). The ID must begin with the letter 'y'.
• I: ID of the time series,with which a time dependent scaling of the throttle outflow can be achieved (not yet implemented in the Quellcode)