Facility Comparison on Model Calm Water Resistance Characteristics of a Trimaran

Richard Royce, Jianjun Qi, Raju Datla, Jennifer Waters, Richard Bucknall, Alistair Greig, Tristan Smith

Research output: Contribution to conferencePaperpeer-review

4 Scopus citations

Abstract

Few efforts have been made to compare model test results from different facilities for possible bias on the measurements. The purpose of this study was to investigate the differences in model test results of a trimaran hullform that exist among the towing tank facilities at four academic institutions: Webb Institute, United States Naval Academy (USNA) and University College London (UCL) and Stevens Institute of Technology. Two models (at 1/125th scale and 1/80th scale) of a US navy’s 268m trimaran concept design were built and tested at the four facilities to study the optimal side-hull location for calm water resistance. The model is equipped to facilitate movement of the side-hull location both longitudinally and laterally. Model tests were conducted for various outrigger locations over a range of Froude numbers from 0.1 to 0.5. The measurements included resistance, trim and heave. The agreement among the four facilities was found to be acceptable and the differences were explained in terms blockage effects and test methodologies.

Original languageEnglish
Pages229-237
Number of pages9
DOIs
StatePublished - 2010
EventSNAME 29th American Towing Tank Conference, ATTC 2010 - Annapolis, United States
Duration: 11 Aug 201013 Aug 2010

Conference

ConferenceSNAME 29th American Towing Tank Conference, ATTC 2010
Country/TerritoryUnited States
CityAnnapolis
Period11/08/1013/08/10

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