1. Department of Mechanical Engineering, Texas Tech University, Lubbock, Texas 79409, USA
2. Department of Mechanical Engineering, University of Puerto Rico, Mayaguez, Puerto Rico 00681, USA
3. Department of Marine, Earth, and Atmospheric Sciences, North Carolina State University, Raleigh, North Carolina 27695, USA
4. National Wind Institute, Texas Tech University, Lubbock, Texas 79409, USA
5. Department of Process and Fluid Flow Technology, IFE, Kjeller, Norway
6. Department of Mathematics, University of Oslo, Oslo, Norway