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Numerical Optimization of Micro Kaplan Hydro Turbine System

[+] Author Affiliations
Yi-Hsin Yen, Tarek ElGammal, Ryoichi S. Amano

University of Wisconsin-Milwaukee, Glendale, WI

Joseph Millevolte, Randal J. Mueller

Cadens LLC, Sullivan, WI

Bruno Lequesne

E-Motors Consulting, LLC, Menomonee Falls, WI

Paper No. FEDSM2016-7575, pp. V01AT09A002; 7 pages
  • ASME 2016 Fluids Engineering Division Summer Meeting collocated with the ASME 2016 Heat Transfer Summer Conference and the ASME 2016 14th International Conference on Nanochannels, Microchannels, and Minichannels
  • Volume 1A, Symposia: Turbomachinery Flow Simulation and Optimization; Applications in CFD; Bio-Inspired and Bio-Medical Fluid Mechanics; CFD Verification and Validation; Development and Applications of Immersed Boundary Methods; DNS, LES and Hybrid RANS/LES Methods; Fluid Machinery; Fluid-Structure Interaction and Flow-Induced Noise in Industrial Applications; Flow Applications in Aerospace; Active Fluid Dynamics and Flow Control — Theory, Experiments and Implementation
  • Washington, DC, USA, July 10–14, 2016
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 978-0-7918-5028-2
  • Copyright © 2016 by ASME


Micro hydro turbines with capacity ranging from 5–100 kW can provide a source of renewable energy which has high potential to grow due to the sheer number of available sites with a relatively small head difference and flow rate. Such systems would complement existing conventional large-scale hydro installations.

The paper presents a study of a 30 cm diameter Kaplan hydroturbine geometry with performance optimization through Computational Fluid Dynamics (CFD) method based on Large Eddy Simulation (LES) of transient turbulence modeling. The work under this study include: selection of horizontal or vertical setup, tail water head test, draft tube length test, draft tube angle test, intake tube geometry test and blade geometry combination test. All of these geometric parameters will be tested and compared based on power output, mass flow rate and efficiency. The optimized geometry was selected for system manufacturing and experimenting by Cadens LLC in a project site in Sullivan, WI.

Copyright © 2016 by ASME



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