Comprehensive Evaluation of the Performances of Heat Exchangers with Aluminum and Copper Finned Tubes

Table 4

Heat transfer parameters of the aluminum-tube finned heat exchanger.

(m/s)	h W (m^2·k)	Nu	Q (W)	Material cost per unit heat exchange	Heat transfer strength	L (m)
1	56.688	15.5	0.404	22.3	39.22	0.72
2	71.077	24	0.663	13.59	43.33	0.72
3	84	29.4	0.846	10.64	55.33	0.72
4	93	33.51	0.988	9.12	64.58	0.72
5	100.12	36.74	1.103	8.17	72.09	0.72