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Optimized Design of Screw-Type Vacuum Pumps

Title: Optimized Design of Screw-Type Vacuum Pumps
Autor(en): Prof. Dr.-Ing. K. Kauder, Dipl.-Ing. D. Pfaller
erschienen: 2006
in: VDI-Berichte 1932, S. 161- 176, VDI-Verlag, Düsseldorf, 2006
Abstract This paper concentrates on the efficiency-optimised design of machine parameters for dry-running screw-type vacuum pumps. To model screw-spindle vacuum pumps, an automatic chamber model generator is presented.

With these models the variation of the geometrical parameters (rotor crown and root diameter, number of lobes, rotor gradient) and operating point variables are simulated. The simulation results are discussed to point out possible design criteria for such pumps. Therefore the influences of the different parameters on the delivery rate, the volume flow rate and the specific power are analyzed.

  vdi_sm2006_pfaller
  vdi_sm2006_poster_pfaller