... University in St. Louis in 2010. Xiaomin's research focuses on wind energy and aerodynamics. He isworking on shape optimizations for wind turbine blades and optimization for wind- farm layouts using ... William Palm Professor of Engineering in department of Mechanical Engineering and MaterialsScience at Washington University in St. Louis, MO, USA. He is a Fellow of ASME, AIAA, IEEE, and SAE. ... Double-Multiple Stream-tube Model for Studying Vertical Axis Wind Turbines. AIAA J. of Propulsion and Power. Vol. 4, pp. 37 0-3 78, 1988. [7] Manwell J.F., Mcgowan J.G. and Rogers A. L Wind Energy Explained....