New Features
Learn about new features in LINEAR software.
System Requirements
Learn more about the system requirements for using the LINEAR solutions.
Supported Norms and Standards
Learn which norms and standards support the LINEAR Solutions modules.
LINEAR Installation and Administration
Learn how to install, your LINEAR software, license and keep it up to date.
Getting Started
Get basic information about the structure, function and interaction of LINEAR Solutions-programs in AutoCAD and LINEAR Building.
Preparing Building
Learn how drawings are prepared by architects to create architecture for building analysis.
Analyzing Buildings
Get information about the requirements analysis of a building. The demand analysis includes the calculation of the heat load, the cooling load and the ventilation concept.
Dimensioning Components
Learn how to dimension radiators, convectors, panel heating and concrete core activation systems on the basis of the requirements analysis in LINEAR Building and manufacturer-specific.
Inserting Components
Learn how to insert components from the LINEAR CAD Browser into the drawing.
Drawing Networks
Learn how to draw pipe and duct networks, generate schematics, and create slots and openings.
Calculating Networks
Learn how to calculate pipe and duct networks.
- Requirements for a Calculable Pipe- and Duct Network
  Explains the requirements for a calculable pipe and duct network.
- About Virtual Components
  Explains the concept of virtual components in pipe and duct network calculations.
- About Pipe Network Calculation Heating and Cooling
  Explains the concept of pipe network calculation for heating and cooling.
- About Pipe Network Calculation Potable Water
  Explains the concept of the Potable Water Pipe Network Calculation.
- About Pipe Network Calculation for Waste Water
  Explains the concept of the Waste Water Pipe Network Calculation.
- About Pipe Network Calculation for Gas
  Explains the concept of the Gas Pipe Network Calculation.
- About the Air Duct Network Calculation
  Explains the concept of the Duct Network Calculation.
  - Calculation
    Explains the concept of the calculation dialog in Pipe and Duct Network Calculations.
  - Settings
    Explains the concept of the Settings in the Pipe and Duct Network Calculations.
  - Components
    Explains the concept of the Components section in Pipe and Duct Network Calculations.
  - About Rooms
    Explains the concept of room in the Duct Network Calculation.
  - Curve data
    Explains the concept of curve data for use in calculating pressure losses for air diffusers, silencers, filters, heaters, coolers, and humidifiers/dehumidifiers, among others.
    - Create Curve Data for Pressure Losses in Ventilation Components
      Shows step-by-step how to create custom data sets for ventilation components.
    - Assigning Custom Pressure Loss Curve Data to Ventilation Components
      Shows step-by-step how to assign custom pressure loss curve data sets to ventilation components.
    - Details on Curve Data
      Information about the dialog Curve data.
    - Details on Create Model Series
      Information on the dialog Create model series.
    - Details on Create Nominal Diameter
      Information about the dialog Create nominal diameter.
  - Details on Tables of Insulation
    Information about the Tables of insulation dialog in the Pipe and Duct Network Calculations or on the General tab.
  - Medium
    Explains the concept Medium in Pipe and Duct Network Calculations for heating, cooling and ventilation.
Dimensioning/Label
Learn how to label section parts and components in your drawing.
Output
Get information about material compilation in LINEAR Building. You will also learn how to print or export calculation results and material lists in your CAD program.

Details on Create Nominal Diameter

Information about the dialog Create nominal diameter.

You are here:

Assistants ➤ Ventilation / Drawing type ➤ Calculation ➤ Curve data ➤ Context menu Nominal diameter ➤ Create entry / Modify entry

⌀

Defines the nominal diameter for round model series.

a, b

Defines the dimensions for rectangular model series.

Item number

Defines the item number of the nominal diameter that is displayed when the nominal diameter is selected in the Curve data dialog.

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Details on Create Nominal Diameter