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Chimney Sizing and Draft Calculation Guide by Northpy North is a document available to read on EtoBox.

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The chimney draft is created by temperature differences between inside and outside air, pulling air and gases through the chimney. The draft can be calculated based on chimney height, outside air density, and inside air density. Chimney area is required to allow flue gases to exit at an appropriate velocity without exceeding limits. The required area can be determined from the volume of gases and desired velocity. Generally, 1100 mm2 of area is needed per 1 kW of boiler heat output.

Author
Northpy North
Language
EN

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