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RESEARCH PAPERS: Arctic Engineering

Prediction of the Current Structure Under Drifting Pack Ice

[+] Author and Article Information
D. Myrhaug

Division of Marine Hydrodynamics, Norwegian Institute of Technology, Trondheim, Norway

J. Offshore Mech. Arct. Eng 110(4), 395-402 (Nov 01, 1988) (8 pages) doi:10.1115/1.3257078 History: Received January 01, 1985; Revised May 18, 1988; Online October 30, 2009

Abstract

A simple analytical theory which describes the motion in a turbulent planetary boundary layer near a rough sea bed by using a two-layer eddy viscosity model is presented. An inverted boundary layer similar to that at the sea bed is applicable under the pack ice. The vertical structure of the current in the boundary layer is presented, and comparisons are made with data from McPhee and Smith [1] obtained from measurements of the turbulent boundary layer under drifting Arctic pack ice. The present model predictions for the drag coefficient at the ice surface and the direction of the surface shear stress are also compared with corresponding formulas given in Davenport [2], which are obtained as fits to observations in atmospheric boundary layers.

Copyright © 1988 by ASME
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