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Comparison of Numerical Simulation and Experiment of Designed Vortex Type Micro hydro Water Turbine
Ema Amalia,Hendarko,Muhammad N Hamzah,Faridl A Maulana,Farhan H Budisatrio,Muhammad Rafie,Mochammad A Moelyadi 한국유체기계학회 2022 International journal of fluid machinery and syste Vol.15 No.3
Vortex type's micro hydro water turbine is a new technology for harvesting energy from water which the performance is still providing more c hallenge . After h aving designed the vortex type water turbine in previous work, a laboratory scale experimental apparatus is built to prove the design and to val idate numerical simulations of the turbine The important design parameters such as torque, powe r, and efficiency are considered. It is found that the CFD results gives higher t orque , power, and efficiency compared to experiments results with a similar tren d This is due to no feature in the used CFD software in evaluating mechanical friction that ha ppened in experim ents device , for more specific in torque meter used Head of CFD for discharge of 2.7 L/s and 2.8 L/s are 0.06 m and 0.06 m while from experimen t is 0.07 m and 0.072 respectively. A NSYS has been used for CFD simulation.