skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Theoretical and experimental analysis of a multiphase screw pump, handling gas-liquid mixtures with very high gas volume fractions

Journal Article · · Experimental Thermal and Fluid Science
 [1]; ;  [2];  [3]
  1. LEISTRITZ Pumpen GmbH, Nuremberg (Germany)
  2. Faculty of Advanced Technology, University of Glamorgan, Pontypridd, Wales (United Kingdom)
  3. Department of Mechanical Engineering and Building Services Engineering, University of Applied Sciences, Nuremberg (Germany)

In the investigation of the pumping behaviour of multiphase screw pumps, handling gas-liquid mixtures with very high gas volume fractions, theoretical and experimental analyses were performed. A new theoretical screw pump model was developed, which calculates the time-dependent conditions inside the several chambers of a screw pump as well as the exchange of mass and energy between these chambers. By means of the performed experimental analysis, the screw pump model was verified, especially at very high gas volume fractions from 90% to 99%. The experiments, which were conducted with the reference fluids water and air, can be divided mainly into the determination of the steady state pumping behaviour on the one hand and into the analysis of selected transient operating conditions on the other hand, whereas the visualisation of the leakage flows through the circumferential gaps was rounded off the experimental analysis. (author)

OSTI ID:
21116058
Journal Information:
Experimental Thermal and Fluid Science, Vol. 32, Issue 8; Other Information: Elsevier Ltd. All rights reserved; ISSN 0894-1777
Country of Publication:
United States
Language:
English