AVS 49th International Symposium
    Vacuum Technology Thursday Sessions

Session VT-ThM
Gas Dynamics and Flow

Thursday, November 7, 2002, 8:20 am, Room C-104
Moderator: R. Dobrozemsky, University of Vienna, Austria


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  in Adobe Acrobat format  

Click a paper to see the details. Presenters are shown in bold type.

8:20am VT-ThM1
Cryopump Pumping Performance Estimation Using Flow Meter Method
H.-P. Cheng, Y.-C. Lu, National Taipei University of Technology, Taiwan, M.-K. Hsu, World Hold Engineering Consultants, LTD
8:40am VT-ThM2
Developing of Calculation Methods of Diffusion Vacuum Pumps' Characteristics
M.G. Sapeshinsky, Bauman Moscow State Technical University, Russia, B.N. Kemenov, NPK INTELVAC, Russia
9:00am VT-ThM3
Comparison between Monte Carlo and Analytical Calculation of the Conductance of Cylindrical and Conical Tubes
J. Gómez-Goñi, P.J. Lobo, Universidad Politécnica de Madrid, Spain
9:20am VT-ThM4 Invited Paper
Modeling Molecular Drag Pumping in the 20th Century: A Personal View
J.C. Helmer, Consultant
10:00am VT-ThM6
Mathematic Simulation of Processes in Flow Parts of Hybrid Turbomolecular Vacuum Pumps
M.G. Sapeshinsky, A.V. Ponomarev, Bauman Moscow State Technical University, Russia
10:20am VT-ThM7
Two-Dimensional and Three-Dimensional Monte Carlo Simulation on the Pumping Performance of a Turbomolecular Pump with Rough-Surface Blades
M. Yabuki, T. Sawada, W. Sugiyama, Akita University, Japan, M. Watanabe, Osaka Vacuum Ltd., Japan
10:40am VT-ThM8
Experimental Analysis of Tapered Gaede Pumps
S. Giors, R. Gotta, J.C. Helmer, Varian S.p.A., Italy
11:00am VT-ThM9
Pumping Performance Investigation of a Turbo Booster Vacuum Pump Equipped with Spiral-Grooved Rotor and Inner Housing by CFD Method
H.-P. Cheng, C.-P. Chien, National Taipei University of Technology, Taiwan, C.-P. Lee, China Engineering Consultants, INC