Effect of Surface Deposits on The Coefficient of Discharge of an Orifice Meter

DOI

10.2991/978-94-6463-884-4_58How to use a DOI?

Keywords

Orifice Meter; Deposits; Discharge Coefficient; Turbulent Flow; Standard k-ε model; Realizablek-ε model; Computational Fluid Dynamics

Abstract

The purpose of this research work is to investigate the effect of surface deposits on the discharge coefficient of an orifice meter by numerical analysis. Orifice meters are widely utilized in various industrial sectors to measure the flow rate of fluids within closed conduits. During the flow of fluids containing slurries or hard particles through the orifice plate, there exists a potential for the formation of deposit layers on the surface of the orifice plate. It has been observed that such deposits can cause deviation in the discharge coefficient, thereby leading to inaccuracies in flow measurements. In this research, the impact of surface deposits on the orifice plates is investigated using Computational Fluid Dynamics (CFD). The discharge coefficient is calculated for both laminar and turbulent flow regimes. For turbulent flow analysis, both the standard and realizable k-ε models are implemented. The study includes CFD calculations for various geometries of the orifice plates. Among these geometries, one represents a standard shape and size without any deformation, while the others feature deposits arranged in systematic patterns on the upstream face of the orifice plate. The aim is to demonstrate the behavior of different discharge coefficients as the pressure difference changes for different types of deposited orifice plates. The findings of this research provide insights into how surface deposits influence the discharge coefficient and subsequently affect the accuracy of flow measurements. The results show variations in the discharge coefficient for different configurations of deposits, calculating how such deposits can significantly impact the performance of orifice meters in industrial application.

Copyright

© 2025 The Author(s)

Open Access

Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

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TY  - CONF
AU  - Md. Ragib Shariar
AU  - Muhammed Mahbubur Razzaque
AU  - Mahbub Rahman
PY  - 2025
DA  - 2025/11/18
TI  - Effect of Surface Deposits on The Coefficient of Discharge of an Orifice Meter
BT  - Proceedings of the 8th International Conference on Engineering Research, Innovation, and Education 2025 (ICERIE 2025)
PB  - Atlantis Press
SP  - 484
EP  - 493
SN  - 2352-5401
UR  - https://doi.org/10.2991/978-94-6463-884-4_58
DO  - 10.2991/978-94-6463-884-4_58
ID  - Shariar2025
ER  -