3-D simulation of hydrodynamic loading on a propeller with ice blockage at proximity

AuthorSearch for: ; Search for:
TypeTechnical Report
Series titleLaboratory Memorandum
Subjectcomputer simulation, propeller-ice interaction, hydrodynamic load, ice blockage, 3-D BEM
AbstractThis memorandum presents a complete account of the simulation results. A 3-D boundary element method is developed to calculate unsteady hydrodynamic force acting on a propeller with ice blockage at proximity condition. The boundary surfaces are discretized into triangular elements, and on each panel the velocity potential is distributed uniformly. The potential jump on the helical wake surface is determined by applying Kutta condition at trailing edge. A part of influence coefficients are renewed at each time step due to the motion of ice-block. Computed results show that the maximum thrust and torque of propeller can be 1.6 times of the normal value when the ice-block reaches the propeller; the local loading at blade section can be about 6 times of the normal value.
Publication date
PublisherNational Research Council Canada. Institute for Marine Dynamics
PlaceSt. John's, NL
AffiliationNRC Institute for Ocean Technology; National Research Council Canada
Peer reviewedNo
NRC number5622
NPARC number8895959
Export citationExport as RIS
Report a correctionReport a correction
Record identifier07aba1b5-4ba6-4d35-9d4b-91866eedf4e0
Record created2009-04-22
Record modified2016-10-03
Bookmark and share
  • Share this page with Facebook (Opens in a new window)
  • Share this page with Twitter (Opens in a new window)
  • Share this page with Google+ (Opens in a new window)
  • Share this page with Delicious (Opens in a new window)