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Influence Analysis of Coupling between Tension and Torque in Single Armoured Cables
Blekinge Institute of Technology, Faculty of Engineering, Department of Mechanical Engineering.
2016 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

When single armoured cables are under tension they will start to twist in direction depending on the lay angle of the armour wires on the cable. The cables start to twist due to the induced torque that appear within the cable and this induced torque can in the worst-case cause loops and kinks on the cable. These negative consequences are the subject to exploration by implementing a known analytical solution developed by Lanteigne (1985), into an external function in OrcaFlex which is a finite element software program capable of solving 3D non-linear arbitrarily deflections. It is specifically designed to be used for doing static and dynamic analysis on marine and offshore structures.

Different cable installation scenarios cases have been created and some of these are validated through experimental testing at the testing facility at ABB, Karlskrona. The results from the different cases shows a good representation of the real twist and rotation of the cable. However, results also conclude that the induced torque that appear within the cable was not possible to be correctly represented by applying external torque from an external function. These results are important for further research within the area and they help creating a greater understanding of torque related problems with single armoured cable under tension.

Place, publisher, year, edition, pages
2016. , 106 p.
National Category
Other Mechanical Engineering
URN: urn:nbn:se:bth-12173OAI: diva2:940672
External cooperation
ABB, High Voltage Cables
Subject / course
Degree Project in Master of Science in Engineering 30.0
Educational program
MTACI Master of Science in Mechanical Engineering
Available from: 2016-06-22 Created: 2016-06-21 Last updated: 2016-06-22Bibliographically approved

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Malm, Joacim
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