Inlet (Water Overlay): Difference between revisions

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Inlets are points where water is either added to or removed from the hydrological model. It will add or remove water at a defined maximum rate, with optional thresholds for the amount of water to add or remove.
{{Inlets}} are hydraulic structures that can pump water in to the hydrological model, or out of, in which case they function as '''Outlets'''. It will add or remove water at a defined maximum rate, with optional thresholds for the amount of water to add or remove.


An inlet is a {{inlink|lcase=1|Point-based constructions}}.
[[File:waterwizard_icon_inlet.png|75px]] An {{Inlet}} is by default a [[Point-based_building_(Water_Overlay)|point-based building]], but can optionally be an [[Area-based_building_(Water_Overlay)|area-based building]].
{{Overlay attribute
 
|attribute=[[Inlet_q_(Water_Overlay)|INLET_Q]]
{{Overlay keys|suppresscategory=true|
|unit=m3/sec
{{:inlet q (Water Overlay)}}
|description=The maximum amount of water flowing into the model through this inlet. A negative value means the construction functions as an outlet, and water is removed from the hydrological model.
{{:inlet area (Water Overlay)}}
|defaultvalue=0
{{:inlet capacity (Water Overlay)}}
|attribute2=[[Inlet_capacity_(Water_Overlay)|INLET_CAPACITY]]
{{:inlet lower threshold (Water Overlay)}}
|unit2=m3
{{:inlet upper threshold (Water Overlay)}}
|description2=The maximum amount of water which can flow in or out through this construction. Water flowing back in the other direction replenishes the capacity.
{{:inlet underground (Water Overlay)}}
|defaultvalue2=0
|attribute3=[[Lower_threshold_(Water_Overlay)|Lower_threshold]]
|unit3=[[mdatum]]
|description3=If a lower threshold is set, water will only flow into the model through this inlet until the water level at the point of this inlet is equal to or greater than the threshold. If the threshold is not set, the amount of water flowing in is not limited in this fashion.
|defaultvalue3=None
|attribute4=[[Upper_threshold_(Water_Overlay)|UPPER_THRESHOLD]]
|unit4={{mdatum}}
|description4=If an upper threshold is set, water will only flow out the model through this outlet until the water level at the point of this inlet is equal to or lower than the threshold. If the threshold is not set, the amount of water flowing out is not limited in this fashion.
|defaultvalue4=None
}}
}}
==Notes==
 
* Each Inlet attribute functions as a limit to the flow. If multiple are defined, the flow is limited by the strongest limit. If neither an INLET_Q or any threshold is defined, there will be no flow.
{{article end
* A negative INLET_Q changes the Inlet to an Outlet.
|notes=
* Most {{Inlet}} attributes function as a limit to the flow. If multiple are defined, the flow is limited by the strongest limit. If neither an [[Inlet_q_(Water_Overlay)|INLET_Q]] or any threshold is defined, there will be no flow.
* A negative [[Inlet q (Water Overlay)|INLET_Q]] changes the {{Inlet}} to an {{Outlet}}.
* The [[Pump lower threshold (Water Overlay)|lower]] and [[Pump upper threshold (Water Overlay)|upper threshold]]s can be seen as a the lowest and highest of "range" of valid water levels. If the actual water level does not fall in the specified range, the {{Inlet}} will allow water to flow in or out (depending on the configuration) to correct the water level.
* A [[Pump (Water Overlay)|Pump]] is different from an [[Inlet (Water Overlay)|{{inlet}}]] in that a pump has two endpoints (or areas) within the project areas, whereas an {{inlet}} has an end point (or area) within the project area and an endpoint (or area) outside the project area; a conceptual external area with a size and a water level.
|howtos=
* [[How to correct inlets on land]]
* [[How to correct multiple buildings on the same location]]
|seealso=
* [[Inlet formula (Water Overlay)]]
 
}}
 
{{WaterOverlay hydraulic structure nav}}

Latest revision as of 09:41, 29 January 2024

Inlets are hydraulic structures that can pump water in to the hydrological model, or out of, in which case they function as Outlets. It will add or remove water at a defined maximum rate, with optional thresholds for the amount of water to add or remove.

Waterwizard icon inlet.png An Inlet is by default a point-based building, but can optionally be an area-based building.

Icon Key Unit Range Description Default value
Waterwizard icon inlet q.png INLET_Q m3/sec The maximum amount of water flowing into the model through this Inlet. A negative value means the building functions as an outlet, and water is removed from the hydrological model. 0
Waterwizard icon inlet area.png INLET_AREA boolean When true the Inlet is spread across the entire building surface. 0
Waterwizard icon inlet capacity.png INLET_CAPACITY m3 The maximum amount of water which can flow in or out through this Building. Water flowing back in the other direction replenishes the capacity. 0
Waterwizard icon inlet lower threshold.png LOWER_THRESHOLD m + datum If a lower threshold is set, water will only flow into the model through this inlet until the water level at the point of this Inlet is equal to or greater than the threshold. If the threshold is not set, the amount of water flowing in is not limited in this fashion. None
Waterwizard icon inlet upper threshold.png UPPER_THRESHOLD m + datum If an upper threshold is set, water will only flow out of the model through this inlet until the water level at the point of this Inlet is equal to or less than the threshold. If the threshold is not set, the amount of water flowing out is not limited in this fashion. None
Waterwizard icon inlet underground.png UNDERGROUND boolean When true the Inlet is connected to the groundwater. false

Notes

  • Most Inlet attributes function as a limit to the flow. If multiple are defined, the flow is limited by the strongest limit. If neither an INLET_Q or any threshold is defined, there will be no flow.
  • A negative INLET_Q changes the Inlet to an Outlet.
  • The lower and upper thresholds can be seen as a the lowest and highest of "range" of valid water levels. If the actual water level does not fall in the specified range, the Inlet will allow water to flow in or out (depending on the configuration) to correct the water level.
  • A Pump is different from an Inlet in that a pump has two endpoints (or areas) within the project areas, whereas an Inlet has an end point (or area) within the project area and an endpoint (or area) outside the project area; a conceptual external area with a size and a water level.

How-to's

See also

Water Module
Benchmarks button.png
Introduction button.png
Water Module
Benchmarks button.png
Getting started button.png
Tutorials
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Overview button.png
Overview
Benchmarks button.png
Theory button.png
Theory
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Benchmarks button.png
Benchmarks
Group
Inlet
Inlet q • Inlet area • Inlet capacity •  Lower threshold •  Upper threshold • Inlet underground
Pump
Pump q •  Lower threshold •  Upper threshold • Pump angle • Pump capacity • Pump area
Culvert
Culvert diameter • Culvert rectangular height • Culvert threshold • Culvert n
Weir
Weir height • Weir width • Weir angle • Weir coefficient • Weir target level
Sewer overflow
Sewer overflow • Sewer overflow speed
Drainage
Drainage q • Drainage datum • Drainage active • Drainage overflow threshold
Output
Object flow output • Object height output • Object datum output a • Object datum output b • Object width output
Related
Building attributes • Hydrological features •  Terrain attributes • Model attributes • Results • Simulation data
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