Chimney height

Online calculator for calculating the height of a chimney or flue. Helps determine the optimal height of your chimney for effective smoke gas discharge.

1. Coefficient depending on the atmospheric temperature stratification for adverse meteorological conditions (NMU), determining the conditions of horizontal and vertical dispersion of harmful substances in the ambient air, with^2/3 mg K^1/3 / g.
2. Dimensionless coefficient accounting for the rate of deposition of harmful substances in the ambient air (the value of the dimensionless coefficient is 1 because the rate of orderly deposition of gaseous harmful substances and fine aerosols is practically zero)
3. Mass of harmful substance emitted into the atmosphere per unit of time (When emitting sulfur dioxide and sulfur trioxide, their combined effect on the atmosphere is taken into account. In this case, the emission is converted to an emission of sulfur dioxide according to the expression MSO₂ + 5.88 MNO₂)
4. Dimensionless coefficient accounting for the conditions of gas exit from the chimney
5. Dimensionless coefficient accounting for the conditions of gas exit from the chimney
6. Dimensionless coefficient considering the influence of terrain (in case of flat or slightly dissected terrain with a height difference not exceeding 50 m per 1 km, this coefficient equals 1)
7. Background pollution from other sources
8. Number of identical chimneys
9. Volume of smoke gases attributed to chimneys, m³/s
10. Temperature of emitted atmospheric gases
11. Temperature of the ambient atmospheric air (average maximum temperature of the hottest month)
12. Maximum permissible concentration of the substance limiting the purity of the air basin, mg/m³ (MPCSO₂ = 0.5 mg/m³, and MPCNO₂ = 0.2 mg/m³)


Calculated chimney height (meters)

See also:

Calculation of blocks and bricks	Brick calculator	Calculation of foam blocks	Calculation of cement mortar	Calculation of stairs
Concrete calculation	Timber calculator	Sawn timber