摘要
在片式散热器上冲压出涡流发生器,在自然对流下,强化散热器散热。采用数值模拟的方法分析涡发生器长度、宽度、摆放角度、散热片间距及摆放位置对散热片散热量及对流换热系数的影响。由于散热片厚1mm,考虑到实际加工工艺,最后选择涡发生器长13.5mm、宽5mm、高3mm,与空气来流方向夹角为30°,两散热片对应位置涡发生器夹角60°时,两散热片同侧涡发生器向空气入口方向移动50mm时,可使散热片散热量提高15.71%。
The heat dissipation of the radiator is enhanced by stamping type vortex generator on the plate radiator under natural convection. The influence of the length,width,angle of the generator,the distance of the radiating fin and the location of the generator on the heat dissipation and the convective heat transfer coefficient of the radiator are analyzed by numerical simulation. Since the fin thickness is 1 mm,considering the actual machining process,the final selection of the vortex generator conditions is C = 13. 5 mm,K = 5 mm,G = 3 mm,θ = 30°.When the vortex generator with the corresponding position of the two radiation fins is 60 degrees,the same side vortex generators move50 mm in the direction of the air inlet,and the heat radiation of the radiator can be increased by 15. 71%.
出处
《节能》
2017年第11期71-75,共5页
Energy Conservation
关键词
变压器
片式散热器
涡发生器
冲压工艺
强化换热
transformer
panel type radiator
vortex generator
stamping process
heat transfer enhancement
