CFD Analysis on Francis Turbine to Analyse Erosion Wear Due to Sediment Flow


  • Uttam Singh Yadav M. Tech Scholar, Truba Institute of Engineering & Information Technology, Bhopal, M.P., India
  • Shravan Vishwakarma Assistance Professor , Truba Institute of Engineering & Information Technology, Bhopal, M.P., India
  • Jitendra Mishra Assistance Professor, Truba Institute of Engineering & Information Technology, Bhopal, M.P., India



Erosion wear, sedimentation, particles size, turbine, runner, CFD etc.


In present work Computational fluid dynamics analysis based erosion wear prediction is performed for Francis turbine components, especially the runner. For the geometrical parameters, Francis turbine model with steady state condition and viscous flow turbulence SST model using ANSYS Fluent. The erosion effect on all the three component such as spiral casing, runner & draft tube has been studied for different concentration of sand particles from 1% - 6%. For each of those concentration the effect of variation in size has been studied for different sizes 10 ?m - 80 ?m. Further the effect of total erosion was also analyzed for different particle size. Erosion damage is found close to the upper and lower portions of the leading edge of the stay vane. some erosion spots at guide vane on the blade pressure side where suction side has minimum erosion. Maximum erosion damage observed on runner especially at the middle of the blade. The draft tube situated closer to runner having highest velocity due to high absolute velocity of water coming out from the runner does not produce any serious erosion effect. Results shows that erosion rate is maximum on runner at particle size 80 ?m for all sand concentration 1% to 6%  and minimum at 30 ?m. Thus, 30 ?m is the optimum size of sand particles for the erosion.


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How to Cite

Yadav , U. S. ., Vishwakarma, S. ., & Mishra , J. (2021). CFD Analysis on Francis Turbine to Analyse Erosion Wear Due to Sediment Flow. SMART MOVES JOURNAL IJOSCIENCE, 7(6), 1–13.