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CFD study of pressure loss characteristics of multi-holed orifice plates using central composite design
Pakistan Institute of Engineering and Applied Sciences, Pakistan.
Linnaeus University, Faculty of Health and Life Sciences, Department of Biology and Environmental Science.ORCID iD: 0000-0002-0021-5971
Pakistan Institute of Engineering and Applied Sciences, Pakistan.
Pakistan Institute of Engineering and Applied Sciences, Pakistan.
2019 (English)In: Flow Measurement and Instrumentation, ISSN 0955-5986, E-ISSN 1873-6998, Vol. 70, p. 1-11, article id 101654Article in journal (Refereed) Published
Abstract [en]

The study on the use of multi-holed orifice plate for measuring flow rate is a growing area of research. As compared to standard orifice plate, multi-holed orifice plates (MO) have number of advantages, such as, these plates require minimum straight piping at the upstream without compromising the pressure losses and provide better accuracy in the measurement of flow rates. In this study, a systematic methodology is adopted for investigating the effect of different geometrical parameters on pressure loss coefficient and values of parameters under investigation varied using central composite design. The geometrical parameters chosen for the study are: (a) Number of holes; (b) Multi-hole Diameter ratio and (c) Compactness of holes. Commercial computational fluid dynamics code (ANSYS Fluent) is employed to perform simulations for 15 different settings of these parameters to analyze their effect on pressure loss coefficient and flow development length at downstream of multi-holed orifice plates. It is found that values of pressure loss coefficient is a strong function of multi-hole diameter ratio, whereas, the flow conditioning properties are strongly affected by the number of holes.

Place, publisher, year, edition, pages
Elsevier, 2019. Vol. 70, p. 1-11, article id 101654
National Category
Chemical Process Engineering
Research subject
Natural Science
Identifiers
URN: urn:nbn:se:lnu:diva-90249DOI: 10.1016/j.flowmeasinst.2019.101654ISI: 000503097800023Scopus ID: 2-s2.0-85074913257OAI: oai:DiVA.org:lnu-90249DiVA, id: diva2:1372509
Available from: 2019-11-24 Created: 2019-11-24 Last updated: 2020-12-14Bibliographically approved

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Ibrahim, Muhammad Asim

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