Preliminary Results of DD-963 Model Tests in Broken Ice Fields

Thomas, III, William L.; Bishop, Richard C.; Devine, Edward A.

Preliminary Results of DD-963 Model Tests in Broken Ice Fields

1990

Thomas, III, William L. | Bishop, Richard C. | Devine, Edward A.

This report presents the preliminary results of tow basin tests conducted with a model of the DD963 in fields of simulated broken ice cover representing conditions found in the Marginal Ice Zone (MIZ). Model tests were also performed in conditions representing broken ice in a confined ice channel which has been prepared for passage by an icebreaker. The test program was directed toward the definition of speed limits as a function of ice concentration for non-interference of ice floes with the sonar dome, bilge keels, propellers, and rudders. Recommendations for future model tests are discussed.

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Original contains color plates: All DTIC and NTIS reproductions will be in black and white.

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Mots clés AGROVOC

channels ice ice cover ship models snow velocity

Informations bibliographiques

D'autres materias

Confinement(general); Coverings; Marginal ice zones; Pe63514; Bilge keels; Marine propellers; Marine engineering; Broken ice; *dd-963 vessel; Marine rudders; Model tests; Concentration(composition); Rudders; Sonar domes; Model basins; Limitations; Ice and permafrost; Destroyers; *destroyers; Towing; *sea ice

Langue

anglais

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http://stinet.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA221285Approved for public release; distribution is unlimited.

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Text

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DAVID TAYLOR RESEARCH CENTER BETHESDA MD SHIP HYDROMECHANICS DEPTDTIC AND NTIS

Auteur institutionnelle

DAVID TAYLOR RESEARCH CENTER BETHESDA MD SHIP HYDROMECHANICS DEPT

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Preliminary Results of DD-963 Model Tests in Broken Ice Fields

1990

Mots clés AGROVOC

Informations bibliographiques