Effect of Flow Regime on Total Interfacial Area of Two Immiscible Fluids in Microchannel Reactor Using VOF Model

The application of microfluidic in chemical processing, for example, the microchannel reactor has received much attention. This type of reactor can enhance the reaction efficiency due to high total interfacial area for the interaction of reactants in a multiphase reaction. The behavior of multiphase...

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Main Authors: Laziz, A.M., Shaari, K.Z.K.
Format: Article
Institution: Universiti Teknologi Petronas
Record Id / ISBN-0: utp-eprints.24766 /
Published: Springer 2020
Online Access: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85075715995&doi=10.1007%2f978-981-13-8297-0_61&partnerID=40&md5=6da0eec3be825bf00df1d26e7d8f55a3
http://eprints.utp.edu.my/24766/
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spelling utp-eprints.247662021-08-27T05:53:16Z Effect of Flow Regime on Total Interfacial Area of Two Immiscible Fluids in Microchannel Reactor Using VOF Model Laziz, A.M. Shaari, K.Z.K. The application of microfluidic in chemical processing, for example, the microchannel reactor has received much attention. This type of reactor can enhance the reaction efficiency due to high total interfacial area for the interaction of reactants in a multiphase reaction. The behavior of multiphase flow can create several different types of regimes such as segmented, annular, or droplet flow, depending on the flow conditions between the two immiscible liquids. The droplet flow has relatively higher total interfacial area than the annular flow. Depending on the total volumetric flow rate and volumetric ratio, the size of the microdroplet can be varied. In this study, the size of the microdroplet is investigated by varying the volumetric ratio of oil-to-methanol, O/M, and the total volumetric flowrate, QTotal. Computational fluid dynamics (CFD) method using Volume of Fluid (VOF) model is implemented to predict the size of the microdroplet produced in the microchannel reactor. In addition, the model is first validated with the experimental data which showed good agreement between numerical and experimental results. It was found that the droplet size is decreasing as the total volumetric flow rate and oil-to-methanol ratio increases, which will increase the total interfacial area. In addition, droplet regime has the highest total interfacial area, while segmented regime has the lowest total interfacial area. This finding is useful especially in designing a microreactor that controls the size of droplet and maximizes the total interfacial area, overall enhancing the reaction process. © 2020, Springer Nature Singapore Pte Ltd. Springer 2020 Article NonPeerReviewed https://www.scopus.com/inward/record.uri?eid=2-s2.0-85075715995&doi=10.1007%2f978-981-13-8297-0_61&partnerID=40&md5=6da0eec3be825bf00df1d26e7d8f55a3 Laziz, A.M. and Shaari, K.Z.K. (2020) Effect of Flow Regime on Total Interfacial Area of Two Immiscible Fluids in Microchannel Reactor Using VOF Model. Lecture Notes in Mechanical Engineering . pp. 585-597. http://eprints.utp.edu.my/24766/
institution Universiti Teknologi Petronas
collection UTP Institutional Repository
description The application of microfluidic in chemical processing, for example, the microchannel reactor has received much attention. This type of reactor can enhance the reaction efficiency due to high total interfacial area for the interaction of reactants in a multiphase reaction. The behavior of multiphase flow can create several different types of regimes such as segmented, annular, or droplet flow, depending on the flow conditions between the two immiscible liquids. The droplet flow has relatively higher total interfacial area than the annular flow. Depending on the total volumetric flow rate and volumetric ratio, the size of the microdroplet can be varied. In this study, the size of the microdroplet is investigated by varying the volumetric ratio of oil-to-methanol, O/M, and the total volumetric flowrate, QTotal. Computational fluid dynamics (CFD) method using Volume of Fluid (VOF) model is implemented to predict the size of the microdroplet produced in the microchannel reactor. In addition, the model is first validated with the experimental data which showed good agreement between numerical and experimental results. It was found that the droplet size is decreasing as the total volumetric flow rate and oil-to-methanol ratio increases, which will increase the total interfacial area. In addition, droplet regime has the highest total interfacial area, while segmented regime has the lowest total interfacial area. This finding is useful especially in designing a microreactor that controls the size of droplet and maximizes the total interfacial area, overall enhancing the reaction process. © 2020, Springer Nature Singapore Pte Ltd.
format Article
author Laziz, A.M.
Shaari, K.Z.K.
spellingShingle Laziz, A.M.
Shaari, K.Z.K.
Effect of Flow Regime on Total Interfacial Area of Two Immiscible Fluids in Microchannel Reactor Using VOF Model
author_sort Laziz, A.M.
title Effect of Flow Regime on Total Interfacial Area of Two Immiscible Fluids in Microchannel Reactor Using VOF Model
title_short Effect of Flow Regime on Total Interfacial Area of Two Immiscible Fluids in Microchannel Reactor Using VOF Model
title_full Effect of Flow Regime on Total Interfacial Area of Two Immiscible Fluids in Microchannel Reactor Using VOF Model
title_fullStr Effect of Flow Regime on Total Interfacial Area of Two Immiscible Fluids in Microchannel Reactor Using VOF Model
title_full_unstemmed Effect of Flow Regime on Total Interfacial Area of Two Immiscible Fluids in Microchannel Reactor Using VOF Model
title_sort effect of flow regime on total interfacial area of two immiscible fluids in microchannel reactor using vof model
publisher Springer
publishDate 2020
url https://www.scopus.com/inward/record.uri?eid=2-s2.0-85075715995&doi=10.1007%2f978-981-13-8297-0_61&partnerID=40&md5=6da0eec3be825bf00df1d26e7d8f55a3
http://eprints.utp.edu.my/24766/
_version_ 1741196865352761344
score 11.62408

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