Enter a unique name for this object.

Defined at 1 Pa pressure difference. Enter the coefficient used in the following equation: Mass Flow Rate = Air Mass Flow Coefficient * (dP)^Air Mass Flow Exponent. Used only when opening (window or door) is closed.

Unit: kg/s-m

Enter the exponent used in the following equation: Mass Flow Rate = Air Mass Flow Coefficient * (dP)^Air Mass Flow Exponent. Used only when opening (window or door) is closed.

Unit: dimensionless

Minimum: 0.5

Maximum: 1.0

Default: .65

Enter the minimum density difference above which two-way flow may occur due to stack effect.

Unit: kg/m3

The Discharge Coefficient indicates the fractional effectiveness for air flow through a window or door at that Opening Factor.

Unit: dimensionless