Knowledge Base Revit
Analyzing Buildings
Get information about the demands analysis of a building with LINEAR Building. The demands analysis includes the calculation of the heat load, the cooling load and the determination of the required air volumes.
Ventilation
Explains the concept of determining air volumes for residential and non-residential buildings.
About Air Volume Calculation for Residential and Non-Residential Buildings
Explains the concept of determining air volumes for residential buildings and for rooms in non-residential buildings.
About the Approximate Determination of Required Air Volumes
Explains the concept of approximately determining the required air volumes for rooms in non-residential buildings.

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 the LINEAR Solutions programs in Revit and LINEAR Building.
Preparing Building
Learn how architects prepare plans and models to create a building model for building analysis.
Pre-conception design
Learn how to plan the positionining and dimensioning of technical control centers and create the route concept in collaboration with all parties involved in the planning.
Analyzing Buildings
Get information about the demands analysis of a building with LINEAR Building. The demands analysis includes the calculation of the heat load, the cooling load and the determination of the required air volumes.
- About Building Detection
  Explains the concept of building detection in LINEAR Building from a connected CAD program.
- Heat Load
  Select a calculation method for the calculation of the heat load according to the location and requirements of your project.
- Cooling Load Short Procedure
  Learn how to calculate a cooling load for your building based on the short procedure of VDI 2078 (1996), section 6.
- Cooling Load, dynamic
  Select a method for determining the cooling load to suit the location and requirements of your project.
- Ventilation
  Explains the concept of determining air volumes for residential and non-residential buildings.
  - Exclude Structural Levels from the Air Volume Calculation
    Shows step-by-step how to deactivate levels of the building structure for the air volume determination and, if necessary, for the creation of a ventilation concept for residential buildings.
  - Define the Calculation Method for Determining the Air Volume
    Shows step-by-step how to define the calculation procedure for determining the required air volumes in LINEAR Building.
  - About Air Volume Calculation for Residential and Non-Residential Buildings
    Explains the concept of determining air volumes for residential buildings and for rooms in non-residential buildings.
    - About the Number of Persons in the Room
      Explains the concept of the number of persons in the room in the context of the Ventilation module.
    - About the “DIN 1946-6 Domestic Ventilation” Calculation Method
      Explains the concept of determining the required air volumes for domestic ventilation and the creation of ventilation concepts based on the DIN 1946-6 Domestic Ventilation calculation method.
    - About the Calculation Method “DIN 18032-1 Gymnasiums”
      Explains the concept of determining the required air volumes for rooms in non-residential buildings based on the calculation method DIN 18032-1 Gymnasiums.
    - About the Calculation Method “VDI 2082 Sales Premises”
      Explains the concept of determining the required air volumes for rooms in non-residential buildings based on the calculation method VDI 2082-7 Laboratories.
    - About the Calculation Method “Workplace Guidelines”
      Explains the concept of determining the required air volumes for rooms in non-residential buildings based on the calculation method Workplace Guidelines.
    - About the Calculation Method “DIN EN 16798-1 Air Pollution, Procedure 1”
      Explains the concept of determining the required air volumes for rooms in non-residential buildings based on the calculation method DIN EN 16798-1 Air Pollution, Procedure 1.
    - About the Calculation Method “DIN EN 16798-1 Air Pollution, Procedure 2”
      Explains the concept of determining the required air volumes for rooms in non-residential buildings based on the calculation method DIN EN 16798-1 Air Pollution, Procedure 2.
    - About the Calculation Method “DIN 1946-4 Healthcare”
      Explains the concept of determining the required air volumes for rooms in non-residential buildings based on the DIN 1946-4 Healthcare calculation method.
    - About the Calculation Method “DIN 1946-7 Laboratories”
      Explains the concept of determining the required air volumes for rooms in non-residential buildings based on the calculation method DIN 1946-7 Laboratories.
    - About Air Volume Determination acc. to Isso 51 & 53
      Explains the concept of air volume calculation according to ISSO 51 & 53.
    - About the Approximate Determination of Required Air Volumes
      Explains the concept of approximately determining the required air volumes for rooms in non-residential buildings.
      - Details on Approximate” Section (Project Level)
        Information on the Approximation area of the Ventilation module in LINEAR Building.
      - Details on the Area “Approximate” (Room Level)
        Information on the area of Approximate Room Data of the Ventilation module in LINEAR Building.
  - Details on the “Air Volumes” Section
    ation on the Air Volumes section of the Ventilation module in LINEAR Building.
  - Transfer Supply and Extract Air Volume Flow to a CAD Program
    Shows step-by-step how to transfer the supply and extract air volume flows determined in the Ventilation module to a connected CAD program in LINEAR Building.
Dimensioning Components
Learn how radiators, convectors, panel heating/cooling systems and concrete core activation systems and components of ventilation systems are designed based on the requirement analysis in LINEAR Building.
Create Pipe Run Scheme
Learn how to create pipe run schemes for pipe networks in LINEAR Building.
Calculate Pipe Run Schemes
Learn how to calculate pipe run schemes in LINEAR Building.
Inserting Components
Learn how to insert components from the LINEAR CAD Browser, from the libraries and configurators of the Library tab or from LINEAR Building into a model.
Constructing Networks
Learn how to create pipe and duct networks, design slots and openings and manage discipline-related reports and tasks.
Calculating Networks
Learn how to calculate pipe and duct networks.
Creating a Scheme
Get information on the workflow Scheme for the disciplines Potable Water and Heating in Revit.
Construction Design
Get information about the workflow Construction design in connection cable trays as well as pipe and duct networks.
Labeling
Learn how to label pipe/duct sections and components in the model.
Output
Obtain information on the output of calculation results and material extracts in your CAD program in LINEAR Building. In addition, find out how you can customize the layout of the output documents using the print mask editor.
Troubleshooting
Get information about possible sources of errors when working with LINEAR Solutions.

About the Approximate Determination of Required Air Volumes

Explains the concept of approximately determining the required air volumes for rooms in non-residential buildings.

When approximately determining the required air volumes, you can calculate or specify the air volumes using various procedures. You can calculate the required air volumes on the basis of a minimum air exchange rate and/or on the basis of an area-related minimum volume flow rate. You can also specify a fixed minimum volume flow rate. The air volume flow rate with the highest value is used as the required air volume.

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About the Approximate Determination of Required Air Volumes