A Parametric Survey Of Hydrofoil Strut Flutter

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A Parametric Survey of Hydrofoil Strut Flutter

Peter K. Besch,Edwin P. Rood
A Parametric Survey of Hydrofoil Strut Flutter Book PDF

Author : Peter K. Besch,Edwin P. Rood
Publisher : Unknown
Page : 128 pages
File Size : 41,6 Mb
Release : 1976
Category : Hydrodynamics
ISBN : UOM:39015083990393

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A Parametric Survey of Hydrofoil Strut Flutter by Peter K. Besch,Edwin P. Rood Pdf

In order to explore the fundamental nature of hydrofoil flutter, a hydroelastic instability which is a potential cause of structural failure of lifting surfaces operating at high speeds in water, a series of hydrofoil models was tested in a towing basin. Flutter data were obtained from four surface-piercing hydrofoil strut models with various pod and foil configurations. Flutter occurred in two independent hydroelastic modes having predominantly first bending and first torsion mode shapes, respectively. The unstable modes were found to exist simultaneously in at least one strut. Flutter inception speed of the bending flutter mode was affected by strut submergence and the presence or absence of a foil. Flutter inception speed of the torsional flutter mode was dependent on strut cavitation pattern, strut submergence, pod moment of inertia, pod length, and the presence or absence of a foil. (Author).

Applied Mechanics Reviews

Anonim
Applied Mechanics Reviews Book PDF

Author : Anonim
Publisher : Unknown
Page : 736 pages
File Size : 44,6 Mb
Release : 1969
Category : Mechanics, Applied
ISBN : UCAL:C2682429

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Applied Mechanics Reviews by Anonim Pdf

R & D Abstracts

Technology Reports Centre (Great Britain)
R D Abstracts Book PDF

Author : Technology Reports Centre (Great Britain)
Publisher : Unknown
Page : 562 pages
File Size : 49,5 Mb
Release : 1976
Category : Electronic
ISBN : STANFORD:36105014644301

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R & D Abstracts by Technology Reports Centre (Great Britain) Pdf

A Study of Flutter at Low Mass Ratios with Possible Application to Hydrofoils

Robert W. Herr
A Study of Flutter at Low Mass Ratios with Possible Application to Hydrofoils Book PDF

Author : Robert W. Herr
Publisher : Unknown
Page : 32 pages
File Size : 47,9 Mb
Release : 1961
Category : Electronic
ISBN : UIUC:30112106742817

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A Study of Flutter at Low Mass Ratios with Possible Application to Hydrofoils by Robert W. Herr Pdf

Experimental flutter-test results for some flexible cantilever-wing models partly submerged in water are presented. The results tend to corroborate theoretical predictions of a stable region at low ratios of structural mass to fluid mass. Theoretical studies indicate this dynamic stability to be closely associated with the presence of fluid damping forces. An explicit expression is presented which defines the lowest mass ratios for which representative section (flexure-torsion) flutter solutions are obtainable as a function of the various structural parameters. Classical flutter of hydrofoils is possible, especially for heavy sections with the center of gravity located far aft. Theoretical indications are that the flutter boundary at low mass ratios is very sensitive to small differences in the various theories. Inclusion of sweep in a modal analysis resulted in flutter solutions in the low mass-ratio range where none had previously been obtained. (Author).

A Collection of Technical Papers

Anonim
A Collection of Technical Papers Book PDF

Author : Anonim
Publisher : Unknown
Page : 412 pages
File Size : 43,8 Mb
Release : 1976
Category : Hydrofoil boats
ISBN : PSU:000012051359

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A Collection of Technical Papers by Anonim Pdf

Journal of Abstracts of the British Ship Research Association

British Ship Research Association
Journal of Abstracts of the British Ship Research Association Book PDF

Author : British Ship Research Association
Publisher : Unknown
Page : 518 pages
File Size : 41,8 Mb
Release : 1977
Category : Shipbuilding
ISBN : UOM:39015032418322

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Journal of Abstracts of the British Ship Research Association by British Ship Research Association Pdf

Consists largely of abstracts of articles and papers of interest to shipbuilders, ship owners and marine engineers.

Government Reports Annual Index

Anonim
Government Reports Annual Index Book PDF

Author : Anonim
Publisher : Unknown
Page : 1050 pages
File Size : 49,8 Mb
Release : 1976
Category : Government reports announcements & index
ISBN : MINN:30000008703120

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Government Reports Annual Index by Anonim Pdf

U.S. Government Research Reports

Anonim
U S Government Research Reports Book PDF

Author : Anonim
Publisher : Unknown
Page : 1600 pages
File Size : 53,8 Mb
Release : 1964
Category : Science
ISBN : OSU:32435022153456

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U.S. Government Research Reports by Anonim Pdf

Hydraulic Research in the United States

Anonim
Hydraulic Research in the United States Book PDF

Author : Anonim
Publisher : Unknown
Page : 206 pages
File Size : 43,7 Mb
Release : 1962
Category : Hydraulic engineering
ISBN : UOM:39015086578765

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Hydraulic Research in the United States by Anonim Pdf

NBS Special Publication

Anonim
NBS Special Publication Book PDF

Author : Anonim
Publisher : Unknown
Page : 264 pages
File Size : 54,7 Mb
Release : 1962
Category : Weights and measures
ISBN : UOM:39015023122735

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NBS Special Publication by Anonim Pdf

Miscellaneous Publication - National Bureau of Standards

United States. National Bureau of Standards
Miscellaneous Publication National Bureau of Standards Book PDF

Author : United States. National Bureau of Standards
Publisher : Unknown
Page : 216 pages
File Size : 40,7 Mb
Release : 1934
Category : Weights and measures
ISBN : STANFORD:36105112092437

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Miscellaneous Publication - National Bureau of Standards by United States. National Bureau of Standards Pdf