HEAT TRANSFER AND FLUID FLOW IN FIRE SAFETY ENGINEERING
Learning outcomes of the course unit
The aim of the course is to provide an applicative knowledge on the physical aspects of fire safety engineering. Part of the course id devoted to the numerical analysis applied to heat transfer anf fluid flow problems involved in fire safety engineering.
Basic knowldege of applied physics.
Course contents summary
- Fire science and combustion. The combustion process. Theoretical air for combustion. Combustion by-products and energy release. Oxygen required for combustion. Tempertaures of flames. Adiabatic flame temperature.
-Limits of Flammability and premixed flames. Measurement of flammability limits. Flammability diagram. The structure of a premixed flame. Heat losses froma a premixed flame. Measurement of burning velocity. -Diffusion flames and fire plumesLaminar and turbulent jet flames. Flames from natural fires: the buoyant plume, the fire plume.
-IgnitionIngnition of flammable vapour/air mixtures. Ignition of liquids. Pilot ignition of solids. Spontaneous ignition. Exctinction of flame.
-Spread of flame. Flame spread over liquids and solids.
-The pre-flashover and postflashover in compartment fire. The growth period and the definition of flashover. Regimes of burning. Fire resistance and severity.
-The productuion and movement of smoke. Rate of smoke production in fires.
-Fire modelling. Two zone and field models. C.Fast amd FDS codes. Practical applications.
INGEGNERIA DELLA SICUREZZA ANTINCENDIO (IV EDIZIONE)
AUTORE: Antonio La Malfa
Case Editrice "Lagislazione Tecnica Editrice" di Roma
-An Introduction to Fire Dynamics, by D. Drysdale, John Wiley Edition
Practical and oral examination.