Use of a thin liquid film moving under the action of gas flow in a mini-channel for removing high heat fluxes
| Parent link: | MATEC Web of Conferences Vol. 92 : Thermophysical Basis of Energy Technologies (TBET-2016).— 2017.— [01037, 4 p.] |
|---|---|
| Korporativna značnica: | Национальный исследовательский Томский политехнический университет (ТПУ) Энергетический институт (ЭНИН) Кафедра атомных и тепловых электростанций (АТЭС) |
| Drugi avtorji: | Zaitsev D. V. Dmitry Valerievich, Tkachenko E. Egor, Orlik E. Evgeny, Kabov O. Oleg |
| Izvleček: | Title screen Intensively evaporating liquid films shear-driven in a mini- or micro-channel under the action of cocurrent gas flow are promising for the use in modern cooling systems of semiconductor devices. In this work, we investigated the influence of liquid and gas flow rates on the critical heat flux in a locally heated film of water, moving under the action of air flow in a mini-channel. In experiments a record value of critical heat flux of 870 W/cm{2} was reached. Heat spreading into the substrate and heat losses to the atmosphere in total do not exceed 25 % at heat fluxes above 400 W/cm{2} . A comparison with the critical heat flux for water flow boiling in the channel shows that, for shear-driven liquid films the critical heat flux is almost an order of magnitude higher. |
| Jezik: | angleščina |
| Izdano: |
2017
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| Teme: | |
| Online dostop: | http://dx.doi.org/10.1051/matecconf/20179201037 http://earchive.tpu.ru/handle/11683/36692 |
| Format: | Elektronski Book Chapter |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=652984 |
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