In the present paper, a numerical fluid flow and induced stresses are studied for single hole and multi-hole orifice plates. Three multi hole configurations are studied; orifice with 3 holes, 5 holes and 7 holes. Turbulence characteristics behind each configuration are analyzed and orifice geometry strength and safety factor are assessed. The multi-hole orifice showed promising results in reducing the turbulence which would increase the system reliability and performance. On the other hand, multi-hole orifice showed weaker strength for same orifice plate thickness and higher probability for pipe wall erosion.
A Numerical Study of Turbulence Generation and Induced Stresses in Pressure Reducing Orifice
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Gabr, MMM, Younan, MYA, & El-Baz, AMR. "A Numerical Study of Turbulence Generation and Induced Stresses in Pressure Reducing Orifice." Proceedings of the ASME 2014 Pressure Vessels and Piping Conference. Volume 4: Fluid-Structure Interaction. Anaheim, California, USA. July 20–24, 2014. V004T04A084. ASME. https://doi.org/10.1115/PVP2014-29110
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