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Ice loads acting on a model podded propeller blade (OMAE2005-67416)

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Wang, Jungyong, Akinturk, A, Jones, Stephen J, Bose, N, Kim, MC and Chun, H 2007 , 'Ice loads acting on a model podded propeller blade (OMAE2005-67416)' , Journal of Offshore Mechanics and Arctic Engineering, vol. 129, no. 3 , pp. 236-244 , doi: 10.1115/1.2426993.

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Abstract

With the increase in popularity of podded propulsors and arctic navigation, understanding the interaction between a podded propulsor and ice has become more important. Propeller-ice interaction itself is a complicated process with a high level of uncertainty resulting from the uncertainties associated with the properties of the ice and with the propeller-ice interaction conditions. Model tests provide relatively well-controlled ice properties and interaction conditions to reduce the uncertainties. In order to improve the understanding of this interaction and to develop numerical models of it, a model podded propulsor was used in “Puller” mode, and ice loads were measured on its instrumented blade and propeller shaft. The results of the experiments conducted to simulate the interactions (milling) of the instrumented blade with ice in different operating conditions are reported in this paper. Loads measured during the milling consist of ice milling loads, “inseparable” hydrodynamic loads, and “separable” hydrodynamic loads. The sample results presented here include ice milling and inseparable hydrodynamic loads for various advance coefficients and depths of cut (amount of blade penetration into ice). Some results are compared with existing ice load models.

Item Type: Article
Authors/Creators:Wang, Jungyong and Akinturk, A and Jones, Stephen J and Bose, N and Kim, MC and Chun, H
Keywords: ice class, propeller, propeller-ice interaction, model test, ice tan
Journal or Publication Title: Journal of Offshore Mechanics and Arctic Engineering
ISSN: 0892-7219
DOI / ID Number: 10.1115/1.2426993
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