modelGidsPhaff

Empirical expression developed by de Gids and Phaff (1982)

Extends from AixLib.Airflow.WindowVentilation.BaseClasses.PartialEmpiricalFlowStack (Partial model for empirical expressions with stack effect considered).

Information

This model contains the empirical expression developed by de Gids and Phaff.

References

Gids, W. de, & Phaff, H. (1982). Ventilation rates and energy consumption due to open windows: a brief overview of research in the Netherlands. Air Infiltration Review, 4(1), 4–5.

Parameters

TypeNameDefaultDescription
Modelica.Units.SI.LengthwinClrWidth (from PartialEmpiricalFlow)Width of the window clear opening
Modelica.Units.SI.HeightwinClrHeight (from PartialEmpiricalFlow)Height of the window clear opening
Booleanuse_opnWidth_in (from PartialEmpiricalFlow)openingArea.use_opnWidth_inUse input port for window sash opening
StringvarNameIntRes (from PartialEmpiricalFlow)Variable name of interim result

Connectors

TypeNameDefaultDescription
Modelica.Blocks.Interfaces.RealInputopnWidth_in (from PartialEmpiricalFlow)Conditional input port for window sash opening width
Modelica.Blocks.Interfaces.RealOutputV_flow (from PartialEmpiricalFlow)Ventilation flow rate
Modelica.Blocks.Interfaces.RealInputTRoom (from PartialEmpiricalFlowStack)Room temperature, ranging from 0 to 40 °C
Modelica.Blocks.Interfaces.RealInputTAmb (from PartialEmpiricalFlowStack)Ambient temperature, ranging from -30 to 50 °C
Modelica.Blocks.Interfaces.RealInputwinSpe10Local wind speed at a height of 10 m

Components

TypeNameDefaultDescription
OpeningAreaopeningArea (from PartialEmpiricalFlow)Model instance for window opening area calculation
RealintRes (from PartialEmpiricalFlow)Interim result used to check the if assertion is raised in root calculation
IntegererrCouIntRes (from PartialEmpiricalFlow)Warning counter for interim result warnings

Revisions

  • June 14, 2024, by Jun Jiang:
    First implementation (see issue 1492)