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Effect of Wind Cavity Thickness on the Efficiency of Forced Air Cooling System
Pages: 225-228
Year: Issue:  2
Journal: Radar Science and Technology

Abstract: In this paper,the effect of wind cavity thickness on the efficiency of forced air cooling system in the radar antenna is researched by the thermal simulation software of the Icepak.The results show that the thickness of wind cavity has obvious effect on the forced air cooling system.When the model of the fan and the structure of heat radiator are certain,the efficiency of the fan is decreased when the thickness of wind cavity is small;while the thickness of wind cavity is increased,the efficiency of the fan is improved observably,and the temperatures of thermal elements are decreased at the same time.When the thickness is more than a certain value,on the contrary,the efficiency of the fan is decreased,and the temperatures of thermal elements are increased accordingly.In the engineering design,the value of wind cavity thickness is suggested to be more than 16 mm and less than 40 mm.
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