1. a Department of Mechanical and Industrial Engineering , Indian Institute of Technology Roorkee , India E-mail:
2. b Division of Experimental and Fluid Mechanics, Department of Engineering Sciences and Mathematics , Lulea University of Technology , Sweden
3. c Department of Mechanical and Industrial Engineering , Indian Institute of Technology Roorkee , India E-mail:
4. d Division of Experimental and Fluid Mechanics, Department of Engineering Sciences and Mathematics , Lulea University of Technology , Sweden