Modelling of propeller/ice interaction during the milling process based on the scenario of ice extrusion

There are four basic events in the propeller/ice interaction: ice impact, milling of ice, hydrodynamic shock, and ice blockage. The purpose of this note is to report the mathematical models for the milling process based on the scenario of ice extrusion. A numerical simulation was first conducted to examine the effect of ice extrusion on the hydrodynamic loading on a propeller foil. Then analytic models were proposed to represent the distributions of contact pressure as well as frictional stress over this foil.NRC publication: Ye