Research Center for Engineering of
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Title: Design, Numerical Analysis and Practical Implementation of a Flow-Feedback System for Conical Diffuser with Swirling Flow
Published In: Scientific Bulletin of the Politehnica University of Timisoara, Transaction on Mechanics, Tom 55(69), Fascicola 2, pp. 1-7
Description: The conical diffuser (discharge cone), is an essential component of the hydraulic turbines, which converts the excess of kinetic head at runner outlet into static head, thus reducing the hydraulic losses in the draft tube. When the turbine operating far from the best efficiency point, the swirling flow in the discharge cone becomes unstable, with large pressure fluctuations and with increased of hydraulic losses. A new method for swirling flow control has been developed by Resiga et al. using a water jet injection along the cone axis. The present paper describes an efficient approach for supplying the control jet, using a flow-feedback method.
ISBN: 
ISSN:1224-6077
DOI: 
Publication year: 2010
Keywords:Hydraulic turbines, diffuser, swirling flow, flow-feedback
Download Paper: Paper
Authors: TANASA Constantin , SUSAN-RESIGA Romeo , BOSIOC Ilie Alin , MUNTEAN Sebastian ,
Type: National Journal Article
Link: http://eng.upt.ro/buletin
Laboratory: Numerical Simulation and Parallel Computing Laboratory
Institution: UPT
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Research Center for Engineering of Systems with Complex Fluids
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