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Design, Prototyping and Testing an Axial-Flow Turbine for Low Head Micro-Hydro Power Plants

Hoghooghi, Hadi | 2015

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  1. Type of Document: M.Sc. Thesis
  2. Language: Farsi
  3. Document No: 46970 (08)
  4. University: Sharif University of Technology
  5. Department: Mechanical Engineering
  6. Advisor(s): Durali, Mohammad
  7. Abstract:
  8. Recent studies show a great number of micro hydro power potentials all over Iran. They have the capability to generate electricity for shops, residential areas, agricultural communities, and recreational tourism centers. In order to cover the micro hydro power potentials of the country, Sharif University of Technology and Iran Water and Power Resources Development Corporation decided to conduct a project to design and fabricate three types of micro hydropower for the first time in Iran. The potentials with low head and high discharge are located beside rivers and are appropriate places to install axial micro hydro turbine. In this project we tried to prototype an axial micro hydro turbine with the capability of commercialization. In this research, based on the principles of axial hydro turbine design and vital objects of the project, a 5 bladed axial turbine was designed. With the assistance of numerical solutions in commercial software, the performance of the turbine was evaluated and necessary changes were implemented on the design. The turbine was then designed in detail and fabricated. Finally, the prototype was tested in the micro hydropower lab of Iran Water Research Institute and its performance was investigated. The test results show that the difference between turbine design and test flow is less than 6.2 percent. Modifying the angle of nozzle, this difference can be decreased. The highest efficiency obtained for this axial micro hydropower plant was in 32.4 kW output power and was equal to 70.6 percent. This efficiency is equal to the efficiency of micro hydropower plants produced by famous companies in the world
  9. Keywords:
  10. Micro Hydro Power Plant ; Axial Hydro Flow Turbine ; Turbomachines ; Cavitation ; Computational Fluid Dynamics (CFD) ; Axial Flow Turbine

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