Surface Roughness

A description of the roughness of the exposed surface of a material. This property is used to approximate the effect of the surface condition on the convection of air across the surface. In energy simulation models, it is used to help determine the convection coefficients for a surface.

Data Type: 
Constrained List
Category: 
Unit of Measure: 
N/A
Source: 
Sector: 
Commercial, Residential, Multifamily
List Options Option Definition Unit of Measure Source
Medium rough Medium rough surface such as concrete. N/A IBPSA-USA
Medium smooth Medium smooth surface such as clear pine. N/A IBPSA-USA
Rough Rough surfaces such as brick. N/A IBPSA-USA
Smooth Smooth surface such as smooth plaster. N/A IBPSA-USA
Very rough Very rough surfaces such as stucco. N/A IBPSA-USA
Very smooth Very smooth surface such as glass. N/A IBPSA-USA
Term ID: 63fe4d28-ea8c-4eb4-ac6d-6b61846d6049
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