Discharge To Atmosphere Attributes
- ID: Unique identifier assigned to this element.
- Label: Descriptive label for this element.
- Notes: Additional information about this element.
- GIS-IDs: List of associated IDs on the GIS/data-source side.
- Hyperlinks: Associate one or more web link, photo, word processing document, or other file with this element.
- Discharge Element Type: Choices: Orifice, Valve, Rating Curve
- Gas Volume (Initial): The accumulated air at the orifice at the beginning of the simulation.
- Time to Start Operating: Valve starts to operate after this time.
- Time to Fully Open or Close: Time to close (or open, if zero initial flow) the valve.
- Valve Initial Status: Choices: Open, Closed
- Pressure Head vs. Flow: Specify a collection of Pressure Head vs. Flow points.
- Report Period (Transient): Number of time steps between successive printouts of operation. By default, this printout is suppressed.
- Pressure Drop (Typical): Pressure drop corresponding to the typical flow.
- Flow (Typical): This is a typical (positive) flow through the orifice or valve.
- Elevation: Elevation at centroid of junctions, valves, and pumps; the ground elevation at tanks; the hydraulic grade at reservoirs.
- Trace (Initial): Specify the initial trace amount at the current location.
- Zone: Specify the zone for the element.
- Concentration (Initial): Specify the initial concentration for the global concentration at the selected element.
- Is Constituent Source?: If true then the selected node can inject a set concentration of the global constituent into the system.
- Pattern (Constituent): Specify the pattern which dictates how the injected constituent concentration varies over time.
- Constituent Source Type: Choices: Concentration, Flow Paced Booster, Setpoint Booster, Mass Booster
- Concentration (Base): This data field allows you to specify the corresponding constituent concentration at this node over time.
- Mass Rate (Base): This data field allows you to specify the corresponding constituent mass rate at this node over time.
- Age (Initial): Specify the initial age of the fluid at the selected element.
- Discharge (Calculated): Calculated discharge from the node.
- Pressure: Calculated pressure at node.
- Pressure Head: Calculated pressure head at node.
- Hydraulic Grade: Calculated hydraulic grade at node.
- Age (Calculated): Age at selected element for current time step.
- Trace (Calculated): Trace at selected element for current time step.
- Concentration (Calculated): Concentration at selected element for current time step.
- Has Calculation Messages Now?: If true then the current element has associated calculation warning messages for the current time step.
- Head (Maximum, Transient): Maximum head at node over the course of the transient simulation.
- Head (Minimum, Transient): Minimum head at node over the course of the transient simulation.
- Pressure (Maximum, Transient): Maximum pressure at node over the course of the transient simulation.
- Pressure (Minimum, Transient): Minimum pressure at node over the course of the transient simulation.
- Air Volume (Maximum, Transient): Maximum air volume at node over the course of the transient simulation. Not applicable to Reservoirs and Rating curves.
- Vapor Volume (Maximum, Transient): Maximum vapor volume at node over the course of the transient simulation. Not applicable to Reservoirs and Rating curves.