Coupling effect of substrate thermal properties and droplet geometry on Marangoni instabilities inside an evaporating droplet at quasi-steady state

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成果类型：

期刊论文

作者：

Wang, Tianshi;Chen, Jintao;Kang, Xiaomin;Zou, Jinglan;Zou, Yanan;...

通讯作者：

Shi, WY;Zou, YN

作者机构：

[Chen, Jintao; Zou, Yanan; Wang, Tianshi; Kang, Xiaomin] Univ South China, Coll Mech Engn, Hengyang 421001, Peoples R China.

[Zou, Jinglan] Univ South China, Coll Resource Environm & Safety Engn, Hengyang 421001, Peoples R China.

[Shi, Wan-Yuan] Chongqing Univ, Sch Energy & Power Engn, Key Lab Low Grade Energy Utilizat Technol & Syst, Minist Educ, Chongqing 400044, Peoples R China.

[Zou, YN] Univ South China, Sch Mech Engn, Hengyang 421001, Peoples R China.

通讯机构：

[Shi, WY ] C

[Zou, YN ] U

Chongqing Univ, Sch Energy & Power Engn, Key Lab Low Grade Energy Utilizat Technol & Syst, Minist Educ, Chongqing 400044, Peoples R China.

Univ South China, Sch Mech Engn, Hengyang 421001, Peoples R China.

语种：

英文

关键词：

Marangoni instability;Hydrothermal waves;Benard-Marangoni cell;Surface tension;Sessile droplet;Evaporation

期刊：

International Communications in Heat and Mass Transfer

ISSN：

0735-1933

年：

2025

卷：

163

页码：

108745

DOI：

10.1016/j.icheatmasstransfer.2025.108745

基金类别：

CRediT authorship contribution statement Tianshi Wang: Writing – original draft, Investigation, acquisition, Data curation. Jintao Chen: Writing – original draft, Investigation, Data curation. Xiaomin Kang: Investigation, Data curation. Jinlan Zou: Investigation, Data curation. Yanan Zou: Writing – review & editing, Supervision, acquisition, Conceptualization. Wan-Yuan Shi: Writing – review & editing, Supervision, acquisition, Conceptualization.

机构署名：

本校为第一且通讯机构

院系归属：

机械工程学院

摘要：

Although extensive researches have been conducted into influences of substrate thermal properties on droplet evaporation, few of them were aimed on the instabilities of their internal flow. In this paper, flow fields of Marangoni instabilities inside an evaporating droplet are simulated by a three-dimensional one-sided model, with considering the coupling effect of substrate thermal properties and droplet geometrical shape. Results shows that a large relative thermal conductivity and a larger droplet contact angle favor the appearance of hydrot...

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Coupling effect of substrate thermal properties and droplet geometry on Marangoni instabilities inside an evaporating droplet at quasi-steady state

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