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Geometric Modeling of a Propeller Turbine Runner Using ANSYS BladeGen, Meshing Using ANSYS TurboGrid and Fluid Dynamic Simulation Using ANSYS Fluent

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Abstract:

This paper aims to demonstrate how to model, mesh and simulate a hydraulic propeller turbine runner based on the geometrical specification of the runner blade. Modeling process is divided into preparation and implementation phase. Preparation phase illustrates how to develop stream surfaces and passages, how to create and transform meanline and how to create an rtzt file. The profile in rtzt file has a certain fix thickness which has to be altered later. Implementation phase describes operations necessary in creating a propeller runner model in ANSYS BladeGen which consist of importing rtzt file, modifying the trailing edge properties and altering profile thickness distribution to that of 4 digits NACA airfoil standard. Grid is generated in ANSYS TurboGrid utilizing ATM Optimized topology. CFD simulation is done using the ANSYS Fluent with pressure inlet and pressure outlet boundary conditions and k-ε turbulence model. Hydraulic efficiency of the runner is calculated utilizing Turbo Topology module in ANSYS Fluent. The authors will share the advantages that may be obtained by using ANSYS BladeGen compared with the use of general CAD Systems.

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Periodical:

Applied Mechanics and Materials (Volume 842)

Pages:

164-177

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.842.164

Citation:

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Online since:

June 2016

Authors:

Indra Djodikusumo*, I. Nengah Diasta, Iwan Sanjaya Awaluddin

Keywords:

ANSYS BladeGen, ANSYS Fluent, ANSYS TurboGrid, ANSYS TURBOSYSTEM FRAMEWORK, Geometric Model, Propeller Turbine Runner, Propeller Turbine Runner Blade

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© 2016 Trans Tech Publications Ltd. All Rights Reserved

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* - Corresponding Author

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