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Delivery Characteristics of Newly Designed Twin Screw Pumps for Offshore Applications

[+] Author Affiliations
Galabina Aleksieva, Alexander Scharf, Dieter Mewes

Leibniz University of Hannover, Hannover, Germany

Gerhard Rohlfing, Mark Reichwage

Bornemann Pumps, Obernkirchen, Germany

Paper No. OMAE2007-29411, pp. 507-514; 8 pages
  • ASME 2007 26th International Conference on Offshore Mechanics and Arctic Engineering
  • Volume 1: Offshore Technology; Special Symposium on Ocean Measurements and Their Influence on Design
  • San Diego, California, USA, June 10–15, 2007
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 0-7918-4267-3 | eISBN: 0-7918-3799-8
  • Copyright © 2007 by ASME


Twin screw pumps with declining pitches designed for multiphase operation are experimentally investigated. The pumps are operated in single, serial or parallel mode within a closed loop pipe system of half technical scaled size. The continuously transported mixtures consist of air, water and oil. In the theoretical part of the investigation a model is deduced for the calculation of the delivering behavior of the multiphase screw pumps. The measured and the predicted flow rates as well as the pumping efficiencies are given as a function of the differential pressure, which is built up by the pumps.

Copyright © 2007 by ASME



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