M. Yousaf and S. Usman, Effects of Roughness Elements on Heat Transfer during Natural Convection. journal = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology. September 2015, vol. 107(11). 1287 - 1292 [viewed 19 September 2024]. Available from: https://publications.waset.org/pdf/10002713.