Fundamentals of Fire Engineering

Introduction

                        fire is an external sign of chemical reaction, usually the combustion of carbon and or hydrogen with oxygen, resulting in release if energy in form of heat, light and sound.

FIRE TRIANGLE

there are basic 3 element need to produce fire.

                  1) HEAT

                  2) FUEL

                  3) OXYGEN

if one of component is not presents the fire will not create.

FIRE TETRAHEDRON.

            beside 3 elements there is forth element which is essential for continuation of fire once ignited. This is known as "CHAIN REACTION".

            once fire occurs the burned substance produce lots of heat which tends to burn remaining fuel substance. This reaction occurs again and again. Which is called "chain reaction".

            fire is OXIDATION process which produce heat it is also called EXOTHERMIC reaction.

OXIDATION = EXOTHERMIC R.   = PRODUCE HEAT.

REDUCTION = ENDOTHERMIC R. = ABSORB HEAT.