本文从椭圆的特性出发,导出了椭圆筒壁的传热方程以及温度分布,给出了椭圆筒壁的传热特性与椭圆几何参数及换热系数之间的关系;探讨了椭圆几何参数对最大换热量及临界热绝缘厚度的影响;查明了椭圆筒壁传热按圆筒壁处理的条件.
参考文献
[1] | Merkin J .Free Convection Boundary Layers on Cylinders of Elliptic Cross Section[J].ASME Journal of Heat Transfer,1997,99:453-457. |
[2] | Chao B;Fagbenle R .On Merk's Method of Calculating Boundary Layer Transfer[J].International Journal of Heat and Mass Transfer,1974,17:223-240. |
[3] | 王红苗;葛绍岩;姚永庆 .b/a=0.5的椭圆形通道内非牛顿流体的强化传热[J].工程热物理学报,1996,17(02):203-208. |
[4] | Jang Jiin-Yuh;Yang Jyh-Yau .Experimental and 3-D Numerical Analysis on the Thermal-Hydraulic Characteristics of Elliptic Finned-Tube Heat Exchangers[J].Heat Transfer Engineering,1998,19(04):55-67. |
[5] | PATANKAR S V .A Calculation Procedure for TwoDimensional Elliptic Problem[J].Numerical Heat Transfer,1981,4:409-426. |
[6] | 杨世铭;陶文铨.传热学[M].北京:高等教育出版社,1998:314-315. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%