The cable geometry for a platform/submersible configuration is analyzed; the resulting closed form solution for a restricted but useful form of fluid drag is developed and demonstrated with typical cable data. Developed with this is the cable equation where cable weight is neglected. The three-dimensional cable model is established and whilst there appears to be no closed form solution to this, the equations lead to the conclusion that cable tension is depth dependent even with this specific form of fluid drag. This conclusion is well accepted for the two-dimensional cable problem, and is shown here to be equally applicable to the three-dimensional problem. Also shown are typical cable geometries for heavy and light cables with following and head currents. Finally, all the equations used to generate the graphs were programmed using a spread-sheet, a useful facility since there is an immediate response to what-if queries relating to the cable and fluid parameters.
The cable geometry for a towed submersible
Die Kabel-Geometrie für ein geschlepptes Unterwasserfahrzeug
International Journal of Mechanical Sciences ; 37 , 10 ; 1079-1087
1995
9 Seiten, 5 Bilder, 1 Tabelle, 5 Quellen
Article (Journal)
English
Schleppvorrichtung , Tau (Seil) , Unterwasserfahrzeug , belastetes Bauteil , Wasserwiderstand , Zug (Beanspruchung) , Auftrieb , Flexibilität , geometrische Form , mathematisches Modell , Differenzialgleichung , Gewicht , Strömungsgeschwindigkeit , dreidimensionale Darstellung , Vektor , Euler-Gleichung
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