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The Recent Research Activities in High-speed Thermo-fluid and MAV/UAV Laboratory (HTML), HKPolyU
The Recent Research Activities in High-speed Thermo-fluid and MAV/UAV Laboratory (HTML), HKPolyU
教师介绍
Professor Wen received his Bachelor of Science degree from the Department of Mechanical Engineering at the National Taiwan University in 1986 and Master of Science and PhD from the Department of Aeronautics at the California Institute of Technology (Caltech), U.S.A. in 1989 and 1994 respectively. He worked at Caltech as a Research Fellow from February 1994 to July 1994 and then continued his teaching and research works at the Department of Mechanical Engineering at the Da-Yeh University, Taiwan. He was promoted to full professorship in February 2002. He had been the Chairman of the Department of Mechanical and Vehicle Engineering from August 1997 to July 2000, and the Provost from August 2004 to July 2006 in the Da-Yeh University, Taiwan. In August 2006, Professor Wen joined the Department of Aeronautics and Astronautics of the National Cheng Kung University (NCKU), Taiwan, before joining the Department of Mechanical Engineering, The Hong Kong Polytechnic University in 2012 as professor. Professor Wen has authored and co-authored many scientific papers, conference papers and book chapters. He was also awarded 11 patents. His current research interests are in the areas of (1) Aerodynamic applications of plasma actuators in delta-winged UAVs and MAVs; (2) Hypersonic aerodynamics and scramjet engine design; (3) Fuel cell applications in the electric power system of a micro spacecraft; and (4) Flow instabilities of magnetic fluids and their applications in micro-mixers. Professor Wen, currently an AIAA Associate Fellow, serves as a member of, various key professional boards and bodies related to the Aerospace Engineering.

本讲教师:温志勇
所属学科:工科
人  气:8816

课程介绍
The report includes two parts: The first part will give a general introduction of the recent research activities in HTML which includes: (1) High Speed Flow; (2) DBD Plasma Actuator; (3) MAV/UAV; (4) Icing Accretion; (5) Urban Environment Simulation. The second part will introduce the space-time conservation element and solution element (CE/SE) method which is a unique and efficient computational fluid dynamics (CFD) algorithm for compressible flows. The original CE/SE method is a central method which doesn’t consider the eigenvalues of concerned problems. It can simultaneously capture shock waves and acoustic waves accurately. However, its resolution for contact discontinuities is not good and the dissipation increases dramatically when Courant number is small. As a result, the central CE/SE method is not suitable for multicomponent flows. Recently, a new characteristic-based CE/SE method is developed in HTML. In this report,the basic idea of the new method and its application in single and multicomponent flows will be introduced in detail.
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