Draft Pressure in Heat Exchangers Formulas

Draft pressure, also known as chimney draft or flue draft, refers to the pressure difference between the inside and outside of a combustion system or chimney. And is denoted by P_Draft. Draft Pressure is usually measured using the Millimeter for Length. Note that the value of Draft Pressure is always positive.

Formulas to find Draft Pressure in Heat Exchangers

fxStack Design Pressure Draft for FurnaceGo

Heat Exchangers formulas that make use of Draft Pressure

fxStack Height of Furnace given Design Pressure and Flue Gas TemperatureGo

List of variables in Heat Exchangers formulas

fx Stack Height Go

fx Atmospheric Pressure Go

fx Ambient Temperature Go

fx Flue Gas Temperature Go

FAQ

What is the Draft Pressure?

Draft pressure, also known as chimney draft or flue draft, refers to the pressure difference between the inside and outside of a combustion system or chimney. Draft Pressure is usually measured using the Millimeter for Length. Note that the value of Draft Pressure is always positive.

Can the Draft Pressure be negative?

No, the Draft Pressure, measured in Length cannot be negative.

What unit is used to measure Draft Pressure?

Draft Pressure is usually measured using the Millimeter[mm] for Length. Meter[mm], Kilometer[mm], Decimeter[mm] are the few other units in which Draft Pressure can be measured.

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