Table 1.

Comparison of the average Sherwood number between the present study and those by others published in the literature for the case of steady flow with Sc=1000.

Re	Present	Zierenberg et al. [39]	Hilpert [40]	Zijnen [41]	Gnielinski [42]	Sparrow et al. [43]
5	14.04	13.43	16.93	13.8	14.85	14.03
10	18.85	18.46	22.11	18.92	21.00	20.13
20	26.91	27.37	28.87	26.18	29.69	28.99
30	34.74	34.20	33.75	31.78	36.37	35.94
40	40.61	39.40	37.70	36.52	42.00	41.88