Ahmad Vasel-Be-Hagh is an assistant professor of Mechanical Engineering and the founder of the Fluid Mechanics Research Laboratory at Tennessee Technological University, USA. His expertise is in thermal-fluid sciences and their applications to a wide range of engineering areas, including wind turbines and wind farms. He has published his research findings in more than twenty-five journal articles and chapters. He has edited eight books, proceedings, and special issues.David S-K. Ting is a professor in Mechanical, Automotive and Materials Engineering and the founder of the Turbulence & Energy Laboratory (www.turbulenceandenergylab.org) at University of Windsor, Canada. To date, he has co/supervised over eighty graduate students primarily in the energy and turbulence areas and co-authored more than one hundred and forty related journal papers. He has also published four textbooks and co-edited ten volumes.