International Journal of Mechanical Engineering and Research

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Optimization and Analysis of Torque Coefficient using CFD on Butterfly Valve

Research Area: Volume 3 Issue 1 Year: 2014
Type of Publication: Article Keywords: Butterfly valve, CFD flow analysis, simulation, valve opening
Authors:
  • Arun Azad
  • Deepak Baranwal
  • Rajeev Arya
  • Nilesh Diwakar
Journal: IJMER Volume: 3
Number: 1 Pages: 36-40
Month: Jan-Aug
ISSN: 2277-8128
Abstract:
Butterfly valves are widely used in hydro power plants to regulate and control the flow through hydraulic turbines. That’s why it is important to design the valve in such a way that it can give best performance so that optimum efficiency can be achieved in hydraulic power plants. Conventionally the models of large size valves are tested and analyzed in the laboratory to determine their performance characteristics. This is a time consuming and costly process. High computing facility along with these of numerical techniques can give the solution to any fluid flow problem in a lesser time. In this research work flow analysis through butterfly valve with aspect ratio 1/3 has been performed using computational software. For modelling the valve ICEM CFD 12 has been used. Valve characteristic torque coefficient has been determined using CFX 12 for different valve opening angles 30°,60°,75°, and 90° (taking 90°as full opening of the valve) for incompressible fluid. Value of torque coefficient obtained from numerical analysis has been compared with the experimental results.
Full text: 31.9.pdf

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