Fire Dynamics Tools | Ch. 2 | Eq. 2.10

Height of Smoke Layer Interface (Natural Ventilation)

Calculates the height of the smoke layer interface above the fire for natural ventilation

Reference

Fire Dynamics Tools (FDTs): Quantitative Fire Hazard Analysis Methods for the U.S. Nuclear Regulatory Commission Fire Protection Inspection Program. NUREG-1805.

Equations

z = \left( \frac{2 \cdot k \cdot \dot{Q}^{1/3} \cdot t }{3 \cdot A_c } + \frac{1}{ H_c^{2/3} } \right)^{-3/2}

OpenFire

Height of Smoke Layer Interface (Natural Ventilation)

Equations

Inputs