In this paper there were a number of errors that we have corrected below.

Problem Formulation

There was a typing error in the last terms of the momentum equations 1b,1c that ended up as an oversight. The correct form of the governing equations is

1
1a
1b
1c
1d
Consequently, the correct form of Eqs. 5a,5b,5c,5d is
5
5a
5b
5c
5d
The numerical calculations were made with the correct form of the equations and the conclusions drawn from the results therefore remain sound.

Results and Discussion

The incorrect temperature profiles in Figs. 2a,4,5 that were a result of small calculation domain used have been recomputed and the correct profiles are given below. All the figures were computed for ξ=5.

In the original paper there was a mix-up in the figures and captions for Figs. 6,7,8. The correct figures and captions are as follows: