Validating MOTAN : Results from model-scale impact tests with the CCGS Terry Fox

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TypeArticle
Proceedings titleProceedings 18th International Conference on Port and Ocean Engineering under Arctic Conditions, POAC'05
Conference18th International Conference on Port and Ocean Engineering under Arctic Conditions (POAC'05), June 26-30, 2005, Potsdam, New York, USA
Volume1
Pages409419; # of pages: 11
AbstractThis paper describes a model-scale test program that was designed to simulate the type of impacts that occurred during the Bergy Bit Trials. The model tests were conducted as part of a validation study of the inertial measurement system called MOTAN. Various types of controlled impact tests were conducted, during which global impact forces on a model of the TERRY FOX were compared to those measured independently on the impact plate. Percent differences between the two measurement systems ranged from 6.3 to 12.1% for the sway and pitch forces, depending upon whether the impact was symmetrical or oblique. The surge force from MOTAN was about 20% less than the longitudinal force measured on the impact plate. Results showed that MOTAN is a viable means of measuring ice-induced global impact forces and, therefore, is feasible for measuring loads on ships, at full-scale, during icebreaking operations.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada; NRC Canadian Hydraulics Centre; NRC Institute for Ocean Technology
Peer reviewedYes
IdentifierIR-2005-40
NRC number6315
NPARC number12327796
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Record identifiereec8e813-465f-477b-b572-ad9040a5409d
Record created2009-09-10
Record modified2016-05-09
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