Evaporation and heat exchange of a thin liquid layer under various heating methods: Advantages of local heating over uniform heating of the wall; International Communications in Heat and Mass Transfer; Vol. 149

Evaporation and heat exchange of a thin liquid layer under various heating methods: Advantages of local heating over uniform heating of the wall; International Communications in Heat and Mass Transfer; Vol. 149

Opis bibliograficzny
Parent link:	International Communications in Heat and Mass Transfer.— .— Amsterdam: Elsevier Science Publishing Company Inc. Vol. 149.— 2023.— Article number 107138, 12 p.
Kolejni autorzy:	Misyura S. Ya. Sergey Yakovlevich, Egorov R. I. Roman Igorevich, Morozov V. S. Vladimir Sergeevich, Zaitsev A. S. Aleksandr Sergeevich
Streszczenie:	Title screen Intensification of heat transfer and evaporation is widely used in modern technologies at limited dimensions of heat exchange surfaces and high energy density. To date, stationary heat transfer at uniform wall heating, has been most thoroughly investigated. Meanwhile, there is no comprehensive research providing a comparison of free convection, heat transfer and evaporation with different heating methods. The novelty of the work lies in the comparison of the heat transfer efficiency using one laser beam, two beams and homogeneous heating. When heated by a single laser beam, the average temperature of the layer interface is significantly lower than at homogeneous heating. However, due to the generation of intense Marangoni flow, a small heating spot provides more intense evaporation than homogeneous heating. The effectiveness of heat transfer is analyzed in terms of the total efficiency coefficient. If it is important to take into account power input, it is preferable to use a single laser beam. If it is not decisive, then two laser beams allow achieving maximum heat transfer and evaporation rate. Homogeneous heating is significantly inferior to local non-stationary heating in terms of all key criteria. The simple expressions serve to optimize the total efficiency coefficient Текстовый файл AM_Agreement
Język:	angielski
Wydane:	2023
Hasła przedmiotowe:	электронный ресурс труды учёных ТПУ Laser heating Natural convection Heat mass transfer Velocity field instability
Dostęp online:	https://doi.org/10.1016/j.icheatmasstransfer.2023.107138
Format:	Elektroniczne Rozdział
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=679852

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