الفهرس 
AcknowledgmentOnly 14 pages are availabe for public view
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Abstract
The term air pollution may be defined as the presence of one or more contaminats or combination there of in such quantites and of such duration as are injurious to human,plant or animal life.In this work we deal with the gaseous emission from steady combustion of commerical butane in a combustor the two important products or pollutants which cause air pollution are Nox and Co.The main object of this reserach is to study the effect of two imprtant parameters (the effect of overall equivalence ratio and swirl vane angle).The study was concerned with theoretical and experimental investigation points of views.This thesis comprises in four chapters.