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Generating renewable power from water hammer pressure surges

Author

Listed:
  • Roberts, A.
  • Thomas, B.
  • Sewell, P.
  • Hoare, E.

Abstract

Since the 18th century, hydraulic ram pumps have harnessed the water hammer effect to move water in a renewable and sustainable manner. This article demonstrates that, by substituting the pressurised water delivery system for an energy conversion mechanism, the operating principles behind hydraulic rams can also be adopted for the purposes of providing renewable energy. An experimental study involving a small scale model device driving a piston-crank mechanism is presented to demonstrate the concept. The peak mechanical efficiency of the test rig was found to be 25.7%, with the time-averaged efficiency varying from 0.3 to 1.7%.

Suggested Citation

  • Roberts, A. & Thomas, B. & Sewell, P. & Hoare, E., 2019. "Generating renewable power from water hammer pressure surges," Renewable Energy, Elsevier, vol. 134(C), pages 1392-1399.
    • Handle: RePEc:eee:renene:v:134:y:2019:i:c:p:1392-1399
    DOI: 10.1016/j.renene.2018.09.006
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    References listed on IDEAS

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    1. Falcão, António F.O. & Henriques, João C.C., 2016. "Oscillating-water-column wave energy converters and air turbines: A review," Renewable Energy, Elsevier, vol. 85(C), pages 1391-1424.
    2. Kramer, M. & Terheiden, K. & Wieprecht, S., 2018. "Pumps as turbines for efficient energy recovery in water supply networks," Renewable Energy, Elsevier, vol. 122(C), pages 17-25.
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    Cited by:

    1. Pirola, Carlo & Galli, Federico & Rinaldini, Carlo A. & Manenti, Flavio & Milani, Massimo & Montorsi, Luca, 2020. "Effects of humidified enriched air on combustion and emissions of a diesel engine," Renewable Energy, Elsevier, vol. 155(C), pages 569-577.
    2. Elgammi, Moutaz & Hamad, Abduljawad Ashour, 2022. "A feasibility study of operating a low static pressure head micro pelton turbine based on water hammer phenomenon," Renewable Energy, Elsevier, vol. 195(C), pages 1-16.
    3. Sun, Yang & Yao, Yuting & Yan, Min & Liu, Jiaming & Li, Haimiao & Bao, Yan & Lu, Mingwei, 2019. "Energy conversion efficiency from low-head water to high-pressure gas," Renewable Energy, Elsevier, vol. 138(C), pages 1-10.

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