Abstract
The above article, published online on 21 February 2018 in Wiley Online Library (wileyonlinelibrary.com), has been retracted by agreement between the authors, the journal Editor in Chief, Y. Martin Lo, and Wiley Periodicals, Inc. The retraction has been agreed at the authors’ request due to unattributed overlap between this article and the following article published in the Journal of Mechanical Engineering and Sciences, “Analysis of ginger drying inside a natural convection indirect solar dryer: An experimental study” by S. K. Sansaniwal and M. Kumar, Volume 9, pp. 1671–1685.