Investigation Of Hydrodynamic Loading On Faired Towline

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Investigation Of Hydrodynamic Loading On Faired Towline

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Author : A. Brisbane
language : en
Publisher:
Release Date : 1964

Investigation Of Hydrodynamic Loading On Faired Towline written by A. Brisbane and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1964 with categories.

The results of an investigation of the steady-state hydrodynamic loads on faired towlines are reported. The lack of a firm basis for the engineering design of towlines is recognized as a critical deficiency in the existing technology and experimental procedures for attainment of data are presented. A test program and the experimental techniques and equipment utilized for an exploratory test are described. Test results obtained with a continuous, fully enclosed faired towline are presented. It is concluded that strong three-dimensional effects are present. Values of the resistance of the towline were observed to be approximately 2 to 2.5 times reported two-dimensional values. The possible influence of the aeration cavity on the observed results is recognized. It is recommended that additional fairing-types and at least one bare cable be tested. (Author).

Program Development To Study Faired Towlines

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Author : J. B Eades (Jr)
language : en
Publisher:
Release Date : 1979

Program Development To Study Faired Towlines written by J. B Eades (Jr) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1979 with categories.

A computer program has been developed to study the interactions beween hydrodynamic loading and structural response of flexible, faired, underwater towing cables. The equilibrium shape of the cable's cross-section when it is moving at an angle of attack in a steady two-dimensional viscous flow (Field) is computed. (Author).

Technical Abstract Bulletin

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Author : Defense Documentation Center (U.S.)
language : en
Publisher:
Release Date : 1967

Technical Abstract Bulletin written by Defense Documentation Center (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with Science categories.

Investigation Of A Sectional Faired Tow Line Modified With Restrainer Rings

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Author : Chester O. Walton
language : en
Publisher:
Release Date : 1967

Investigation Of A Sectional Faired Tow Line Modified With Restrainer Rings written by Chester O. Walton and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1967 with categories.

Pursuant to the Naval Ship Systems Command (NSSC) Variable Depth Sonar (VDS) Systems Sub-project S2720, Fleet Support Development Task 11309, the Naval Ship Research and Development Center (NSRDC) initiated an investigative program to improve the towing performance of the towline used with the AN/SQA-10 VDS system. The SQA-10 towline with sectional or continuous rubber fairing has been plagued with problems of kiting and fairing breakage caused by the hydrodynamic force acting on the towline during towing. A component of the hydrodynamic force acts longitudinally down the cable during towing and causes the fairing to stack progressively tighter down the cable. Often this force is large enough to cause the fairing sections to bind and/or cut into the succeeding fairing sections. This damage or binding of the fairing sections may prevent the fairing from swiveling about the cable, which may lead to the development of side forces that cause the towline to kite. One device designed by NSRDC to correct the kiting and breakage difficulties is the DTMB Mark I Cable-Fairing Restrainer. This restrainer was developed for use with rubber fairing but the ring of the Mark I Restrainer may be used with sectional fairing.

Marine Technology Society Journal

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Author : Marine Technology Society
language : en
Publisher:
Release Date : 1973

Marine Technology Society Journal written by Marine Technology Society and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1973 with Ocean engineering categories.

Proceedings Of An International Symposium On Directional Stability And Control Of Bodies Moving In Water

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Author : Richard Evelyn Donohue Bishop
language : en
Publisher:
Release Date : 1972

Proceedings Of An International Symposium On Directional Stability And Control Of Bodies Moving In Water written by Richard Evelyn Donohue Bishop and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with Ship handling categories.

Government Reports Announcements Index

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Author :
language : en
Publisher:
Release Date : 1977-05-13

Government Reports Announcements Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1977-05-13 with Science categories.

Investigation Of A Towline With Segmented Fairing For The Variable Depth Sonar System

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Author : John V. Mirabella
language : en
Publisher:
Release Date : 1972

Investigation Of A Towline With Segmented Fairing For The Variable Depth Sonar System written by John V. Mirabella and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1972 with categories.

The Naval Ship Research and Development Center has established a continuing research program directed toward improving the Variable Depth Sonar (VDS) system. One major area of concern is the system towline. The VDS system has been plagued with problems of towline kiting and fairing breakage caused by the hydromechanic forces acting on the towline during towing and reeling operations. The problem has been present with both sectional enclosed and continuous trailing fairing. The sea trial was directed toward determining whether the towline would kite during towing operation and determining the durability of the new material in the towline.

A Preliminary Study Of Hydroelastic Behavior Of Faired Towlines

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Author : J. D. Lin
language : en
Publisher:
Release Date : 1965

A Preliminary Study Of Hydroelastic Behavior Of Faired Towlines written by J. D. Lin and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1965 with categories.

A preliminary study of the hydroelastic behavior of a faired towline consists of a literature survey pertinent to the dynamics of a towline system, an examination of the stability of a sectional fairing in the light of the existing theories and experimental evidence of hydroelasticity, and a simplified calculation of the viscous flow past the AN/SQA-10 Fleet Type Towline with the USNUSL Sectional Fairing (the mid-section of the fairing is DTMB Hydrofoil Shape No. 7) in relation to the self-excited instability induced by the viscous wake.

Bulletin Of The Permanent International Association Of Navigation Congresses

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Author :
language : en
Publisher:
Release Date : 1968

Bulletin Of The Permanent International Association Of Navigation Congresses written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1968 with Hydraulic engineering categories.