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All Journal Turbo : Jurnal Program Studi Teknik Mesin
Rivai, Mokhammad Bahtiar
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Mechanical Engineering

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Investigation of the Influence of Plate Thickness on Orifice Flow Using the Computational Fluid Dynamics Method Rivai, Mokhammad Bahtiar; Julian, James; Wahyuni, Fitri; Purba, Riki Hendra
TURBO [Tulisan Riset Berbasis Online] Vol 14, No 2 (2025): TURBO: Jurnal Program Studi Teknik Mesin
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v14i2.4286

Abstract

Piping systems provide effective fluid distribution and are crucial to industrial operations. Despite their effectiveness, flow control devices like orifice plates can result in significant pressure drop that can lower system efficiency and wear out the system’s mechanical components. This study aims to optimize orifice plate design by examining the effect of plate thickness on flow characteristics using Computational Fluid Dynamics (CFD). Simulations were conducted on orifice plates with thicknesses ranging from 1.5T to 3.0T under Reynolds numbers from 10⁴ to 10⁶. Results show that increasing the thickness reduces pressure loss, with the 3T configuration achieving a 1.35% reduction compared to the baseline. Improvements are linked to a higher discharge coefficient (Cd), shorter flow reattachment distance (Xr), smaller recirculation zones, and reduced velocity through the orifice throat. These findings suggest that geometric modifications can enhance flow performance and reduce the risk of mechanical damage in piping systems.
Co-Authors Fitri Wahyuni James Julian Purba, Riki Hendra