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Thermal and Mass Transfer Resistance through the Liquid-Gas Interface of an Evaporating Nanodroplet.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Thermal and Mass Transfer Resistance through the Liquid-Gas Interface of an Evaporating Nanodroplet./
作者:	Gutierrez Plascencia, Jesus.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2022,
面頁冊數:	79 p.
附註:	Source: Masters Abstracts International, Volume: 83-10.
Contained By:	Masters Abstracts International83-10.
標題:	Mechanical engineering. -
ISBN:	9798426809758

Thermal and Mass Transfer Resistance through the Liquid-Gas Interface of an Evaporating Nanodroplet.
Gutierrez Plascencia, Jesus.

Thermal and Mass Transfer Resistance through the Liquid-Gas Interface of an Evaporating Nanodroplet. - Ann Arbor : ProQuest Dissertations & Theses, 2022 - 79 p.

Source: Masters Abstracts International, Volume: 83-10.

Thesis (M.S.)--California State University, Fresno, 2022.

This item must not be sold to any third party vendors.

Thermal and mass transfer resistance at a liquid-gas interface could strongly affect the evaporation of a micro/nanodroplet. One of the challenges in investigating heat and mass transfer across an evaporating liquid surface is the presence of two heat transfer modes: evaporation and heat conduction. Interfacial heat conduction was often overlooked in the analysis of evaporation of a liquid droplet. Using the kinetic theory of gases, analytical expressions for the heat and mass flow resistance across a liquid-gas interface of an evaporating droplet are derived and verified by comparing their theoretical predictions to molecular dynamics simulation results. This study simulates the evaporation of a liquid Argon nanodroplet surrounded by a heated Neon gas environment and obtained high-resolution measurements of temperature and density distributions along the system to quantify their discontinuity at the liquid-gas interface, something currently difficult by conventional experimental methods. The modeling results show that the temperature jump across the evaporating droplet surface is mainly associated with interfacial heat conduction rather than evaporation, and the vapor density near the liquid- gas interface is determined by the resistance to mass transfer, i.e., evaporation, at the interface. Using the expressions for interfacial thermal and mass transfer resistance, this work formulated the temperature jump and vapor density boundary conditions at an evaporating droplet surface and determine the scenario under which the conventional assumptions of continuous temperature profile and saturated vapor at the liquid-gas interface become invalid.

ISBN: 9798426809758Subjects--Topical Terms:

649730
Mechanical engineering.
Subjects--Index Terms:

Evaporation

Thermal and Mass Transfer Resistance through the Liquid-Gas Interface of an Evaporating Nanodroplet.
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500 $a Source: Masters Abstracts International, Volume: 83-10.
500 $a Advisor: Liang, Zhi.
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506 $a This item must not be sold to any third party vendors.
520 $a Thermal and mass transfer resistance at a liquid-gas interface could strongly affect the evaporation of a micro/nanodroplet. One of the challenges in investigating heat and mass transfer across an evaporating liquid surface is the presence of two heat transfer modes: evaporation and heat conduction. Interfacial heat conduction was often overlooked in the analysis of evaporation of a liquid droplet. Using the kinetic theory of gases, analytical expressions for the heat and mass flow resistance across a liquid-gas interface of an evaporating droplet are derived and verified by comparing their theoretical predictions to molecular dynamics simulation results. This study simulates the evaporation of a liquid Argon nanodroplet surrounded by a heated Neon gas environment and obtained high-resolution measurements of temperature and density distributions along the system to quantify their discontinuity at the liquid-gas interface, something currently difficult by conventional experimental methods. The modeling results show that the temperature jump across the evaporating droplet surface is mainly associated with interfacial heat conduction rather than evaporation, and the vapor density near the liquid- gas interface is determined by the resistance to mass transfer, i.e., evaporation, at the interface. Using the expressions for interfacial thermal and mass transfer resistance, this work formulated the temperature jump and vapor density boundary conditions at an evaporating droplet surface and determine the scenario under which the conventional assumptions of continuous temperature profile and saturated vapor at the liquid-gas interface become invalid.
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653 $a Interfacial thermal resistance
653 $a Molecular dynamics
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