[1] Garrad Hassan Pacific Pty Ltd, Hunter Region Mail Centre, P.O. Box 189, Newcastle, NSW 2310, Australia
[2] Dept. of Mechanical/Aerospace Eng., Florida Institute of Technology, Melbourne, FL 32901, United States
[3] Institut fur Aerodynamik/Gasdynamik, Universität Stuttgart, Pfaffenwaldring 21, Stuttgart 70550, Germany
[4] School of Engineering, University of Newcastle, Newcastle, NSW 2308, Australia