Page 27 - Domestic Smoke Nuisance and Emissions Final_Neat
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Stack effect in Chimneys
● Variablesthathaveadirectimpact in the forces of the
stack effect are:
Where ● height & temperaturegradients.
● ΔP = pressure drop.
● C =0.0342K/m(constant).
● a = atmospheric pressure. ● Ventilation affects air flow distribution and is
● h= height. critical. (depressurisation)
● T, T = outside/inside temperature.
o i
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