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Effect of size and concentration of silt particles on erosion of Pelton turbine buckets

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  • Padhy, M.K.
  • Saini, R.P.

Abstract

Erosive wear of hydro turbine runners depends upon different parameters such as size, hardness and concentration of silt particles, velocity of flow, properties of the base material of the turbine components and operating hours of the turbine. Various researchers have conducted experiments to study the effect of these parameters on erosive wear. Most of these experiments were on small-size samples at different types of test rigs to simulate the flow conditions in turbines, however actual flow conditions and the phenomenon of erosive wear are too complex to simulate. Under the present study, effect of these parameters on erosion in actual conditions has been investigated experimentally. An extensive experimental study has been carried out on a small scale Pelton turbine. Based on the experimental data collected for different parameters, correlations have been developed for wear rate of Pelton turbine buckets as a function of critical parameters, i.e., size and concentration of silt particles and jet velocity.

Suggested Citation

  • Padhy, M.K. & Saini, R.P., 2009. "Effect of size and concentration of silt particles on erosion of Pelton turbine buckets," Energy, Elsevier, vol. 34(10), pages 1477-1483.
    • Handle: RePEc:eee:energy:v:34:y:2009:i:10:p:1477-1483
    DOI: 10.1016/j.energy.2009.06.015
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    References listed on IDEAS

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    1. Padhy, Mamata Kumari & Saini, R.P., 2008. "A review on silt erosion in hydro turbines," Renewable and Sustainable Energy Reviews, Elsevier, vol. 12(7), pages 1974-1987, September.
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    1. Jing Dong & Zhongdong Qian & Biraj Singh Thapa & Bhola Thapa & Zhiwei Guo, 2019. "Alternative Design of Double-Suction Centrifugal Pump to Reduce the Effects of Silt Erosion," Energies, MDPI, vol. 12(1), pages 1-22, January.
    2. Ge, Xinfeng & Sun, Jie & Zhou, Ye & Cai, Jianguo & Zhang, Hui & Zhang, Lei & Ding, Mingquan & Deng, Chaozhong & Binama, Maxime & Zheng, Yuan, 2021. "Experimental and Numerical studies on Opening and Velocity Influence on Sediment Erosion of Pelton Turbine Buckets," Renewable Energy, Elsevier, vol. 173(C), pages 1040-1056.
    3. Thapa, Biraj Singh & Thapa, Bhola & Dahlhaug, Ole G., 2012. "Empirical modelling of sediment erosion in Francis turbines," Energy, Elsevier, vol. 41(1), pages 386-391.
    4. Messa, Gianandrea Vittorio & Mandelli, Simone & Malavasi, Stefano, 2019. "Hydro-abrasive erosion in Pelton turbine injectors: A numerical study," Renewable Energy, Elsevier, vol. 130(C), pages 474-488.
    5. Wang, Zhiyuan & Qian, Zhongdong, 2017. "Effects of concentration and size of silt particles on the performance of a double-suction centrifugal pump," Energy, Elsevier, vol. 123(C), pages 36-46.
    6. Padhy, M.K. & Saini, R.P., 2012. "Study of silt erosion mechanism in Pelton turbine buckets," Energy, Elsevier, vol. 39(1), pages 286-293.
    7. Guo, Bao & Xiao, Yexiang & Rai, Anant Kumar & Liang, Quanwei & Liu, Jie, 2021. "Analysis of the air-water-sediment flow behavior in Pelton buckets using a Eulerian-Lagrangian approach," Energy, Elsevier, vol. 218(C).
    8. Babu, Abhishek & Perumal, G. & Arora, H.S. & Grewal, H.S., 2021. "Enhanced slurry and cavitation erosion resistance of deep cryogenically treated thermal spray coatings for hydroturbine applications," Renewable Energy, Elsevier, vol. 180(C), pages 1044-1055.
    9. Padhy, M.K. & Saini, R.P., 2011. "Study of silt erosion on performance of a Pelton turbine," Energy, Elsevier, vol. 36(1), pages 141-147.
    10. Hauer, C. & Wagner, B. & Aigner, J. & Holzapfel, P. & Flödl, P. & Liedermann, M. & Tritthart, M. & Sindelar, C. & Pulg, U. & Klösch, M. & Haimann, M. & Donnum, B.O. & Stickler, M. & Habersack, H., 2018. "State of the art, shortcomings and future challenges for a sustainable sediment management in hydropower: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 98(C), pages 40-55.
    11. Masoodi, Junaid H. & Harmain, G.A., 2017. "A methodology for assessment of erosive wear on a Francis turbine runner," Energy, Elsevier, vol. 118(C), pages 644-657.
    12. Leguizamón, Sebastián & Alimirzazadeh, Siamak & Jahanbakhsh, Ebrahim & Avellan, François, 2020. "Multiscale simulation of erosive wear in a prototype-scale Pelton runner," Renewable Energy, Elsevier, vol. 151(C), pages 204-215.
    13. Rai, Anant Kumar & Kumar, Arun & Staubli, Thomas & Yexiang, Xiao, 2020. "Interpretation and application of the hydro-abrasive erosion model from IEC 62364 (2013) for Pelton turbines," Renewable Energy, Elsevier, vol. 160(C), pages 396-408.

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