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Electric Field Influence on Capillar...

Safaripour Tabalvandani, Samira,

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Electric Field Influence on Capillary Condensation and Liquid-Vapor Equilibrium in Microfluidics: Thermodynamic, Experimental, and Fabrication Studies /

Record Type:	Electronic resources : Monograph/item
Title/Author:	Electric Field Influence on Capillary Condensation and Liquid-Vapor Equilibrium in Microfluidics: Thermodynamic, Experimental, and Fabrication Studies // Samira Safaripour Tabalvandani.
Author:	Safaripour Tabalvandani, Samira,
Description:	1 electronic resource (112 pages)
Notes:	Source: Dissertations Abstracts International, Volume: 86-03, Section: B.
Contained By:	Dissertations Abstracts International86-03B.
Subject:	Mechanical engineering. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=31555680
ISBN:	9798384092308

Electric Field Influence on Capillary Condensation and Liquid-Vapor Equilibrium in Microfluidics: Thermodynamic, Experimental, and Fabrication Studies /
Safaripour Tabalvandani, Samira,

Electric Field Influence on Capillary Condensation and Liquid-Vapor Equilibrium in Microfluidics: Thermodynamic, Experimental, and Fabrication Studies /Samira Safaripour Tabalvandani. - 1 electronic resource (112 pages)

Source: Dissertations Abstracts International, Volume: 86-03, Section: B.

The efficient removal of water vapor from natural gas and other gas streams is crucial in various industrial processes, including gas separation, air conditioning, and natural gas purification. Traditional methods for water vapor removal, such as absorption and adsorption, are often energy-intensive and lack efficiency. This thesis explores the potential of AC electric fields to enhance water condensation in micron deep channels, aiming to improve natural gas dehydration and other industrial applications.The research is divided into three main parts. First, a thermodynamic analysis of electric field effects on liquid-vapor equilibrium in non-ideal mixtures is conducted. An expression is developed to predict a quadratic dependence of solution composition on electric field strength. Applying this expression to a water-ethanol system demonstrates that electric fields can improve separation processes such as liquid extraction from natural gas and alcohol dehydration.The second part investigates the combined effects of capillary action and external electric fields on liquid-vapor phase equilibrium. The developed relationship shows that increasing the electric field and decreasing the capillary radius generally lead to a higher equilibrium liquid mole fraction of water. These findings suggest potential improvements in processes such as water distillation and alcohol dehydration.The final part focuses on experimental investigations of AC electric fields inducing water condensation in micron deep channels. The results reveal that water condensation occurs at lower electric field strengths and humidity levels than estimated by existing models. Discrepancies between numerical simulations and experimental observations are identified, highlighting areas for future research.The findings of this thesis have significant practical implications. Understanding how electric fields influence liquid-vapor equilibrium can lead to new strategies for manipulating phase behavior in various industrial processes. Future research should focus on refining theoretical models, enhancing experimental designs, and exploring new applications of electric field-induced condensation.In conclusion, this thesis advances the understanding of how AC electric fields and capillaries can manipulate liquid-vapor equilibrium and induce water condensation in micron deep channels. The research provides a solid foundation for future studies and practical applications, contributing to the broader goal of optimizing industrial processes through advanced thermodynamic analysis.

English

ISBN: 9798384092308Subjects--Topical Terms:

649730
Mechanical engineering.
Subjects--Index Terms:

Capillary condensation

Electric Field Influence on Capillary Condensation and Liquid-Vapor Equilibrium in Microfluidics: Thermodynamic, Experimental, and Fabrication Studies /
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520 $a The efficient removal of water vapor from natural gas and other gas streams is crucial in various industrial processes, including gas separation, air conditioning, and natural gas purification. Traditional methods for water vapor removal, such as absorption and adsorption, are often energy-intensive and lack efficiency. This thesis explores the potential of AC electric fields to enhance water condensation in micron deep channels, aiming to improve natural gas dehydration and other industrial applications.The research is divided into three main parts. First, a thermodynamic analysis of electric field effects on liquid-vapor equilibrium in non-ideal mixtures is conducted. An expression is developed to predict a quadratic dependence of solution composition on electric field strength. Applying this expression to a water-ethanol system demonstrates that electric fields can improve separation processes such as liquid extraction from natural gas and alcohol dehydration.The second part investigates the combined effects of capillary action and external electric fields on liquid-vapor phase equilibrium. The developed relationship shows that increasing the electric field and decreasing the capillary radius generally lead to a higher equilibrium liquid mole fraction of water. These findings suggest potential improvements in processes such as water distillation and alcohol dehydration.The final part focuses on experimental investigations of AC electric fields inducing water condensation in micron deep channels. The results reveal that water condensation occurs at lower electric field strengths and humidity levels than estimated by existing models. Discrepancies between numerical simulations and experimental observations are identified, highlighting areas for future research.The findings of this thesis have significant practical implications. Understanding how electric fields influence liquid-vapor equilibrium can lead to new strategies for manipulating phase behavior in various industrial processes. Future research should focus on refining theoretical models, enhancing experimental designs, and exploring new applications of electric field-induced condensation.In conclusion, this thesis advances the understanding of how AC electric fields and capillaries can manipulate liquid-vapor equilibrium and induce water condensation in micron deep channels. The research provides a solid foundation for future studies and practical applications, contributing to the broader goal of optimizing industrial processes through advanced thermodynamic analysis.
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650 4 $a Fluid mechanics. $3 528155
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653 $a Capillary condensation
653 $a External electric fields
653 $a Microfabrication
653 $a Microfluidics
653 $a Vapor-liquid phase equilibrium
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