SFPE Handbook | Ch. 50 | Eq. 50.15

Height limit for pressurization

Calculates the maximum height for effective stairwell pressurization

Reference

Hurley, M.J., et al., 2016. SFPE Handbook of Fire Protection Engineering. 5th ed. Springer.

Equations

H_m = 0.000289 \times \dfrac{ F_R \times ( \Delta p_{max} - \Delta p_{min} ) }{ \left| \dfrac{1}{ T_0 + 273} - \dfrac{1}{ T_s + 273} \right| }