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Temperature Effect on Capillary Flow Dynamics in 1D Array of Open Nanotextured Microchannels Produced by Femtosecond Laser on Silicon

Capillary flow of water in an array of open nanotextured microgrooves fabricated by femtosecond laser processing of silicon is studied as a function of temperature using high-speed video recording. In a temperature range of 23–80 °C, the produced wicking material provides extremely fast liquid flow...

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Autores principales: Fang, Ranran, Zhu, Hongbo, Li, Zekai, Zhu, Xiaohui, Zhang, Xianhang, Huang, Zhiyu, Li, Ke, Yan, Wensheng, Huang, Yi, Maisotsenko, Valeriy S., Vorobyev, Anatoliy Y.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7221948/
https://www.ncbi.nlm.nih.gov/pubmed/32326234
http://dx.doi.org/10.3390/nano10040796
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author Fang, Ranran
Zhu, Hongbo
Li, Zekai
Zhu, Xiaohui
Zhang, Xianhang
Huang, Zhiyu
Li, Ke
Yan, Wensheng
Huang, Yi
Maisotsenko, Valeriy S.
Vorobyev, Anatoliy Y.
author_facet Fang, Ranran
Zhu, Hongbo
Li, Zekai
Zhu, Xiaohui
Zhang, Xianhang
Huang, Zhiyu
Li, Ke
Yan, Wensheng
Huang, Yi
Maisotsenko, Valeriy S.
Vorobyev, Anatoliy Y.
author_sort Fang, Ranran
collection PubMed
description Capillary flow of water in an array of open nanotextured microgrooves fabricated by femtosecond laser processing of silicon is studied as a function of temperature using high-speed video recording. In a temperature range of 23–80 °C, the produced wicking material provides extremely fast liquid flow with a maximum velocity of 37 cm/s in the initial spreading stage prior to visco-inertial regime. The capillary performance of the material enhances with increasing temperature in the inertial, visco-inertial, and partially in Washburn flow regimes. The classic universal Washburn’s regime is observed at all studied temperatures, giving the evidence of its universality at high temperatures as well. The obtained results are of great significance for creating capillary materials for applications in cooling of electronics, energy harvesting, enhancing the critical heat flux of industrial boilers, and Maisotsenko cycle technologies.
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spelling pubmed-72219482020-05-22 Temperature Effect on Capillary Flow Dynamics in 1D Array of Open Nanotextured Microchannels Produced by Femtosecond Laser on Silicon Fang, Ranran Zhu, Hongbo Li, Zekai Zhu, Xiaohui Zhang, Xianhang Huang, Zhiyu Li, Ke Yan, Wensheng Huang, Yi Maisotsenko, Valeriy S. Vorobyev, Anatoliy Y. Nanomaterials (Basel) Article Capillary flow of water in an array of open nanotextured microgrooves fabricated by femtosecond laser processing of silicon is studied as a function of temperature using high-speed video recording. In a temperature range of 23–80 °C, the produced wicking material provides extremely fast liquid flow with a maximum velocity of 37 cm/s in the initial spreading stage prior to visco-inertial regime. The capillary performance of the material enhances with increasing temperature in the inertial, visco-inertial, and partially in Washburn flow regimes. The classic universal Washburn’s regime is observed at all studied temperatures, giving the evidence of its universality at high temperatures as well. The obtained results are of great significance for creating capillary materials for applications in cooling of electronics, energy harvesting, enhancing the critical heat flux of industrial boilers, and Maisotsenko cycle technologies. MDPI 2020-04-21 /pmc/articles/PMC7221948/ /pubmed/32326234 http://dx.doi.org/10.3390/nano10040796 Text en © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Fang, Ranran
Zhu, Hongbo
Li, Zekai
Zhu, Xiaohui
Zhang, Xianhang
Huang, Zhiyu
Li, Ke
Yan, Wensheng
Huang, Yi
Maisotsenko, Valeriy S.
Vorobyev, Anatoliy Y.
Temperature Effect on Capillary Flow Dynamics in 1D Array of Open Nanotextured Microchannels Produced by Femtosecond Laser on Silicon
title Temperature Effect on Capillary Flow Dynamics in 1D Array of Open Nanotextured Microchannels Produced by Femtosecond Laser on Silicon
title_full Temperature Effect on Capillary Flow Dynamics in 1D Array of Open Nanotextured Microchannels Produced by Femtosecond Laser on Silicon
title_fullStr Temperature Effect on Capillary Flow Dynamics in 1D Array of Open Nanotextured Microchannels Produced by Femtosecond Laser on Silicon
title_full_unstemmed Temperature Effect on Capillary Flow Dynamics in 1D Array of Open Nanotextured Microchannels Produced by Femtosecond Laser on Silicon
title_short Temperature Effect on Capillary Flow Dynamics in 1D Array of Open Nanotextured Microchannels Produced by Femtosecond Laser on Silicon
title_sort temperature effect on capillary flow dynamics in 1d array of open nanotextured microchannels produced by femtosecond laser on silicon
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7221948/
https://www.ncbi.nlm.nih.gov/pubmed/32326234
http://dx.doi.org/10.3390/nano10040796
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