Objective of the study Alalmyat common solid particles was to understand the nature of the material on the characteristics of run, in order to enable the design Alalmyat and devices needed to be dealt with, or where the purpose of analysis based optimization or photography or overcome the problems of operating on them. A repeal of solid objects small size was extremely interested in chemical engineering and in other disciplines with the focus of this attention on the analysis and study its impact on heat transfer and chemical reactions article.