Hiển thị ở chế độ nhân viên: Thermocapillary migration of a fluid compound droplet

Thermocapillary migration of a fluid compound droplet

Compound and simple droplets have been studied and appeared in many life applications, e.g., drug processing and microfluidic systems. Many studies have been conducted on the thermocapillary effects on simple droplets, but similar studies on compound droplets are quite rare. Filling this missing gap...

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Tác giả chính:	Vinh T. Nguyen, Truong V. Vu, Phan H. Nguyen, Nang X. Ho, Binh D. Pham, Hoe D. Nguyen, Hung V. Vu
Định dạng:	Bài trích
Ngôn ngữ:	English
Nhà xuất bản:	Journal of Mechanical Science and Technology 2021
Chủ đề:	Compound droplet Front-tracking
Truy cập trực tuyến:	https://link.springer.com/article/10.1007%2Fs12206-021-0816-5 https://dlib.phenikaa-uni.edu.vn/handle/PNK/3293 https://doi.org/10.1007/s12206-021-0816-5
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spelling	oai:localhost:PNK-32932022-08-17T05:54:45Z Thermocapillary migration of a fluid compound droplet Vinh T. Nguyen Truong V. Vu Phan H. Nguyen Nang X. Ho Binh D. Pham Hoe D. Nguyen Hung V. Vu Compound droplet Front-tracking Compound and simple droplets have been studied and appeared in many life applications, e.g., drug processing and microfluidic systems. Many studies have been conducted on the thermocapillary effects on simple droplets, but similar studies on compound droplets are quite rare. Filling this missing gap, this paper presents the front-tracking-based simulation results of the thermocapillary effects on compound droplets in a certain limited domain. The compound droplet consists of a single inner core that is initially concentric with the outer one. Various dimensionless parameters including Reynolds number from 1 to 50, Marangoni number from 1 to 100, droplet radius ratio from 0.3 to 0.8, and viscosity ratios from 0.1 to 6.4 are varied to reveal their influences on the migration of a compound droplet from cold to hot regions. Initially, the inner droplet moves faster than the outer one, and when the leading surface of the inner droplet touches the outer one, the inner and outer droplets migrate at the same speed. The effects of these parameters on the compound droplet eccentricity are also considered. 2021-10-27T02:05:03Z 2021-10-27T02:05:03Z 2021 Bài trích https://link.springer.com/article/10.1007%2Fs12206-021-0816-5 https://dlib.phenikaa-uni.edu.vn/handle/PNK/3293 https://doi.org/10.1007/s12206-021-0816-5 en Journal of Mechanical Science and Technology
institution	Digital Phenikaa
collection	Digital Phenikaa
language	English
topic	Compound droplet Front-tracking
spellingShingle	Compound droplet Front-tracking Vinh T. Nguyen Truong V. Vu Phan H. Nguyen Nang X. Ho Binh D. Pham Hoe D. Nguyen Hung V. Vu Thermocapillary migration of a fluid compound droplet
description	Compound and simple droplets have been studied and appeared in many life applications, e.g., drug processing and microfluidic systems. Many studies have been conducted on the thermocapillary effects on simple droplets, but similar studies on compound droplets are quite rare. Filling this missing gap, this paper presents the front-tracking-based simulation results of the thermocapillary effects on compound droplets in a certain limited domain. The compound droplet consists of a single inner core that is initially concentric with the outer one. Various dimensionless parameters including Reynolds number from 1 to 50, Marangoni number from 1 to 100, droplet radius ratio from 0.3 to 0.8, and viscosity ratios from 0.1 to 6.4 are varied to reveal their influences on the migration of a compound droplet from cold to hot regions. Initially, the inner droplet moves faster than the outer one, and when the leading surface of the inner droplet touches the outer one, the inner and outer droplets migrate at the same speed. The effects of these parameters on the compound droplet eccentricity are also considered.
format	Bài trích
author	Vinh T. Nguyen Truong V. Vu Phan H. Nguyen Nang X. Ho Binh D. Pham Hoe D. Nguyen Hung V. Vu
author_facet	Vinh T. Nguyen Truong V. Vu Phan H. Nguyen Nang X. Ho Binh D. Pham Hoe D. Nguyen Hung V. Vu
author_sort	Vinh T. Nguyen
title	Thermocapillary migration of a fluid compound droplet
title_short	Thermocapillary migration of a fluid compound droplet
title_full	Thermocapillary migration of a fluid compound droplet
title_fullStr	Thermocapillary migration of a fluid compound droplet
title_full_unstemmed	Thermocapillary migration of a fluid compound droplet
title_sort	thermocapillary migration of a fluid compound droplet
publisher	Journal of Mechanical Science and Technology
publishDate	2021
url	https://link.springer.com/article/10.1007%2Fs12206-021-0816-5 https://dlib.phenikaa-uni.edu.vn/handle/PNK/3293 https://doi.org/10.1007/s12206-021-0816-5
_version_	1751856269100056576
score	8.891787

Thermocapillary migration of a fluid compound droplet

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