Forming the Convective Flows and a Cluster of Particles under Spot Heating; Nanoscale and Microscale Thermophysical Engineering; Vol. 25, iss. 1
| Parent link: | Nanoscale and Microscale Thermophysical Engineering Vol. 25, iss. 1.— 2021.— [P. 46-63] |
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| Autor corporatiu: | , |
| Altres autors: | , , , |
| Sumari: | Title screen The behavior of self-organization of convective flows in a thin layer of liquid under point (local) heating is investigated experimentally. The interaction of thermocapillary and thermogravitational-free convection can lead both to self-organization of a cluster of micro-vortices in the form of hexagonal structures and to its partial disintegration. Correlation analysis of the velocity field shows that the characteristic convection scales change continuously over time. The largest size of the vortex flow corresponds to the layer diameter (20 mm); the integral convection scale (2.5 mm) characterizes the established interaction of vortex structures in a wide range of sizes; and the dimensions of hexagonal convective cells (80–100 µm) show the lower limit of the characteristic scale of vortex structures. The observed flow macrostructure is determined by the complex nonlinear interaction of vortices of the specified scales. The resulting value of the average integral convection scale can be effectively used to predict the convection velocity. |
| Idioma: | anglès |
| Publicat: |
2021
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| Matèries: | |
| Accés en línia: | https://doi.org/10.1080/15567265.2020.1860170 |
| Format: | Electrònic Capítol de llibre |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=664736 |
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| 200 | 1 | |a Forming the Convective Flows and a Cluster of Particles under Spot Heating |f S. Ya. Misyura, R. I. Egorov, V. S. Morozov, A. S. Zaitsev | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: 48 tit.] | ||
| 330 | |a The behavior of self-organization of convective flows in a thin layer of liquid under point (local) heating is investigated experimentally. The interaction of thermocapillary and thermogravitational-free convection can lead both to self-organization of a cluster of micro-vortices in the form of hexagonal structures and to its partial disintegration. Correlation analysis of the velocity field shows that the characteristic convection scales change continuously over time. The largest size of the vortex flow corresponds to the layer diameter (20 mm); the integral convection scale (2.5 mm) characterizes the established interaction of vortex structures in a wide range of sizes; and the dimensions of hexagonal convective cells (80–100 µm) show the lower limit of the characteristic scale of vortex structures. The observed flow macrostructure is determined by the complex nonlinear interaction of vortices of the specified scales. The resulting value of the average integral convection scale can be effectively used to predict the convection velocity. | ||
| 461 | |t Nanoscale and Microscale Thermophysical Engineering | ||
| 463 | |t Vol. 25, iss. 1 |v [P. 46-63] |d 2021 | ||
| 610 | 1 | |a электронный ресурс | |
| 610 | 1 | |a труды учёных ТПУ | |
| 610 | 1 | |a Benard-marangoni Convection | |
| 610 | 1 | |a self-assembly | |
| 610 | 1 | |a micro-particles | |
| 610 | 1 | |a liquid Interface | |
| 610 | 1 | |a laser heating | |
| 701 | 1 | |a Misyura |b S. Ya. |c specialist in the field of power engineering |c leading researcher of Tomsk Polytechnic University, candidate of technical sciences |f 1964- |g Sergey Yakovlevich |3 (RuTPU)RU\TPU\pers\39641 | |
| 701 | 1 | |a Egorov |b R. I. |c specialist in the field of heat and power engineering |c Researcher of Tomsk Polytechnic University, candidate of physical and mathematical sciences |f 1980- |g Roman Igorevich |3 (RuTPU)RU\TPU\pers\36601 |9 19642 | |
| 701 | 1 | |a Morozov |b V. S. |g Vladimir Sergeevich | |
| 701 | 1 | |a Zaitsev |b A. S. |c specialist in the field of heat and power engineering |c Associate Professor, highly qualified worker of Tomsk Polytechnic University, Candidate of Physical and Mathematical Sciences |f 1991- |g Aleksandr Sergeevich |3 (RuTPU)RU\TPU\pers\36040 |9 19177 | |
| 712 | 0 | 2 | |a Национальный исследовательский Томский политехнический университет |b Исследовательская школа физики высокоэнергетических процессов |c (2017- ) |3 (RuTPU)RU\TPU\col\23551 |
| 712 | 0 | 2 | |a Национальный исследовательский Томский политехнический университет |b Инженерная школа энергетики |b Научно-образовательный центр И. Н. Бутакова (НОЦ И. Н. Бутакова) |3 (RuTPU)RU\TPU\col\23504 |
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