Summary of Seakeeping Experiments carried out on CCGA Atlantic Swell Model IOT651

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TypeTechnical Report
Series titleStudent Report
SubjectSeakeeping; Motion Induced Interrupts; Fishing Vessel
AbstractThe ?Atlantic Swell? is a 35? inshore fishing vessel. The vessel was built in St. Jones Within, Newfoundland. As part of the National Research Council?s Safer Fishing Vessels project, full-scale seakeeping trials as well as physical model tests were performed on this vessel. The data obtained over the course of these experiments was used to determine various vessel motions in a variety of vessel heading and speeds. The results from each set of trials were compared to determine the correlation between the two tests. Overall, there was an acceptable level of correlation between both sources. The major dissimilarity between the tests was in the magnitudes of the vessel?s roll angles. All other degrees of freedom examined showed some useful correlation.Major sources of error were determined as a result of this study. These fall under three major categories:1. Wave Measuring/Matching Issues; 2. Model Weight; 3. Test Basin LimitationsThe most significant of these sources is the wave matching process. Attempting to reproduce something as complicated as a seastate is a very difficult task, even with the best of wave buoys and wave-making equipment. Also, the size of the model did not allow for much flexibility to add ballast to achieve the desired static and dynamic stability attributes.
Publication date
PublisherNational Research Council Canada. Institute for Ocean Technology
PlaceSt. John's, NL
AffiliationNRC Institute for Ocean Technology; National Research Council Canada
Peer reviewedNo
NRC number6238
NPARC number8894842
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Record identifier1a9af91c-9041-4c07-a3ec-21ef443f18a7
Record created2009-04-22
Record modified2016-10-03
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