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Flame Spread on Ppma

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Submitted By kamare
Words 2735
Pages 11
Table of Contents
Abstract 2

Introduction 2

The Fire Problem 2

Methodology 5

Results and discussion 6

Processes of flame spread 7

Diffusion flame spread 8

Thermal Model 8

Transition to Turbulence 10

References 13

Abstract

The fires problem is one of the hazard pose a threat to life and property. Flames behave differently under various conditions which include: the oxygen available, combustible material, orientation of surfaces, etc. this a complex phenomena which is influenced by multiple factors that includes ignition, heat release rate, flame spread and the generation of different products of combustion like carbon IV oxide and carbon II oxide. The research was performed by studying various sources in the library and in the internet and also performing experiments to simulate a real life situation.

Introduction

The Fire Problem

The flammability of a material is a complex event which is influenced by multiple factors that includes ignition, heat release rate, flame spread and the generation of different products of combustion like carbon IV oxide and carbon II oxide. In order to better protect the people and property from risk posed by the unwanted fires, it become necessary to understands all these factors under different conditions.
Babrauskas and Vytenis 1992 suggested that heat release rate is the main variable in fire hazard; but Kashiwagi and Ito argued effectively that, the flame spread over the surface of combustible material such a wall and a floor is the main variable responsible for the growth of fire at the initial stages of fire. In addition, the angle of orientation of the combustible material has been found to contribute to the flame spread; specifically, upward flame spread on a vertical surface has been recognized as important since it is often present during the development of

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