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

Table 3

Heat transfer parameters of the copper-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	61.812	17	0.441	256.69	8.7	0.72
2	77.211	27	0.726	155.92	14.32	0.72
3	91.5	33.6	0.93	121.72	18.34	0.72
4	101.8	38.6	1.08	104.81	21.3	0.72
5	109.52	43.8	1.21	93.55	23.87	0.72