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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AGROVOC Keywords

channels ice ice cover ship models snow velocity

Bibliographic information

Other Subjects

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

Language

English

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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

Source

DAVID TAYLOR RESEARCH CENTER BETHESDA MD SHIP HYDROMECHANICS DEPTDTIC AND NTIS

Corporate Author

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

AGROVOC Keywords

Bibliographic information