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Evolution of Temperature Field around Underground Power Cable for Static and Cyclic Heating

Author

Listed:
  • Shahbaz Ahmad

    (Geomechanics & Geotechnics, Kiel University, 24118 Kiel, Germany)

  • Zarghaam Haider Rizvi

    (Geomechanics & Geotechnics, Kiel University, 24118 Kiel, Germany
    Current address: GeoAnalysis Engineering GmbH, 24118 Kiel, Germany.)

  • Joan Chetam Christine Arp

    (Geomechanics & Geotechnics, Kiel University, 24118 Kiel, Germany)

  • Frank Wuttke

    (Geomechanics & Geotechnics, Kiel University, 24118 Kiel, Germany)

  • Vineet Tirth

    (Mechanical Engineering Department, College of Engineering, King Khalid University, Abha 61411, Saudi Arabia
    Research Center for Advanced Materials Science (RCAMS), King Khalid University, Abha 61413, Saudi Arabia)

  • Saiful Islam

    (Civil Engineering Department, College of Engineering, King Khalid University, Abha 61411, Saudi Arabia)

Abstract

Power transmission covering long-distances has shifted from overhead high voltage cables to underground power cable systems due to numerous failures under severe weather conditions and electromagnetic pollution. The underground power cable systems are limited by the melting point of the insulator around the conductor, which depends on the surrounding soils’ heat transfer capacity or the thermal conductivity. In the past, numerical and theoretical studies have been conducted based on the mechanistic heat and mass transfer model. However, limited experimental evidence has been provided. Therefore, in this study, we performed a series of experiments for static and cyclic thermal loads with a cylindrical heater embedded in the sand. The results suggest thermal charging of the surrounding dry sand and natural convection within the wet sand. A comparison of heat transfer for dry, unsaturated and fully saturated sand is presented with graphs and colour maps which provide valuable information and insight of heat and mass transfer around an underground power cable. Furthermore, the measurements of thermal conductivity against density, moisture and temperature are presented showing positive nonlinear dependence.

Suggested Citation

  • Shahbaz Ahmad & Zarghaam Haider Rizvi & Joan Chetam Christine Arp & Frank Wuttke & Vineet Tirth & Saiful Islam, 2021. "Evolution of Temperature Field around Underground Power Cable for Static and Cyclic Heating," Energies, MDPI, vol. 14(23), pages 1-19, December.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:23:p:8191-:d:696359
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    References listed on IDEAS

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    1. Diana Enescu & Pietro Colella & Angela Russo & Radu Florin Porumb & George Calin Seritan, 2021. "Concepts and Methods to Assess the Dynamic Thermal Rating of Underground Power Cables," Energies, MDPI, vol. 14(9), pages 1-23, May.
    2. Tang, Fujiao & Nowamooz, Hossein, 2020. "Outlet temperatures of a slinky-type Horizontal Ground Heat Exchanger with the atmosphere-soil interaction," Renewable Energy, Elsevier, vol. 146(C), pages 705-718.
    3. Paweł Ocłoń & Janusz Pobędza & Paweł Walczak & Piotr Cisek & Andrea Vallati, 2020. "Experimental Validation of a Heat Transfer Model in Underground Power Cable Systems," Energies, MDPI, vol. 13(7), pages 1-10, April.
    4. Christoph Verschaffel-Drefke & Markus Schedel & Constantin Balzer & Volker Hinrichsen & Ingo Sass, 2021. "Heat Dissipation in Variable Underground Power Cable Beddings: Experiences from a Real Scale Field Experiment," Energies, MDPI, vol. 14(21), pages 1-24, November.
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    Cited by:

    1. Romuald Masnicki & Janusz Mindykowski & Beata Palczynska, 2022. "Experiment-Based Study of Heat Dissipation from the Power Cable in a Casing Pipe," Energies, MDPI, vol. 15(13), pages 1-16, June.
    2. Zarghaam Haider Rizvi & Syed Jawad Akhtar & Syed Mohammad Baqir Husain & Mohiuddeen Khan & Hasan Haider & Sakina Naqvi & Vineet Tirth & Frank Wuttke, 2022. "Neural Network Approaches for Computation of Soil Thermal Conductivity," Mathematics, MDPI, vol. 10(21), pages 1-17, October.
    3. Kui Liu & Renato Zagorščak & Richard J. Sandford & Oliver N. Cwikowski & Alexander Yanushkevich & Hywel R. Thomas, 2022. "Insights into the Thermal Performance of Underground High Voltage Electricity Transmission Lines through Thermo-Hydraulic Modelling," Energies, MDPI, vol. 15(23), pages 1-25, November.

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