Fully transient CFD analyses of waterjet pumps

N.W.H. Bulten, B.P.M. Esch, van

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

14 Citations (Scopus)
4 Downloads (Pure)

Abstract

This paper presents results of fully transient calculations of flow through waterjet pumps. The fully transient method is based on a moving mesh option to implement the rotation of the impeller. In this way, the time-dependent forces acting on the impeller can be determined. These forces can be divided into axial and radial forces, for example, as a result of rotor-stator interaction. In waterjet applications, the nonuniform inflow velocity distribution creates an additional radial impeller force that is steady in the inertial frame of reference. Computational fluid dynamics (CFD) analyses are made of two Lips-Jets waterjet pumps equipped with three- and six-bladed impellers to investigate the rotor-stator interaction force for various flow rates. Calculations with nonuniform inflow velocity distributions are made to determine the steady radial forces. The strength of this steady force depends on the level of inflow nonuniformity and the flow rate through the pump.
Original languageEnglish
Title of host publicationProceedings of the SNAME 11th Propellers and Shafting Symposium, 12-13 September 2006, Williamsburg, Virginnia
Pages185-193
Publication statusPublished - 2007
EventSociety of Naval Architects and Marine Engineers Propellers/Shafting 2006 Symposium - Williamsburg, VA, United States
Duration: 12 Sep 200613 Sep 2006

Publication series

NameMarine Technology and SNAME News
Volume44
ISSN (Print)0025-3316

Conference

ConferenceSociety of Naval Architects and Marine Engineers Propellers/Shafting 2006 Symposium
CountryUnited States
CityWilliamsburg, VA
Period12/09/0613/09/06

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