Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
Structured capillary-porous coatings for enhancement of heat transfer at pool boiling. / Surtaev, Anton; Kuznetsov, Denis; Serdyukov, Vladimir и др.
в: Applied Thermal Engineering, Том 133, 25.03.2018, стр. 532-542.Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование
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TY - JOUR
T1 - Structured capillary-porous coatings for enhancement of heat transfer at pool boiling
AU - Surtaev, Anton
AU - Kuznetsov, Denis
AU - Serdyukov, Vladimir
AU - Pavlenko, Aleksandr
AU - Kalita, Vasiliy
AU - Komlev, Dmitriy
AU - Ivannikov, Aleksandr
AU - Radyuk, Aleksey
PY - 2018/3/25
Y1 - 2018/3/25
N2 - Pool boiling heat transfer in capillary-porous coatings was experimentally studied using two coolants (water and liquid nitrogen) at atmospheric pressure. The unique type of capillary-porous coatings with different thicknesses (400–1390 μm), morphology and with high porosity (up to 60%) were fabricated by the directional plasma spraying technique. The study shows that the use of capillary-porous coatings leads to significant enhancement of heat transfer up to 4 times at boiling of liquid nitrogen and up to 3.5 times at boiling of water in the region of low heat fluxes. Based on the analysis of high-speed video, it is shown that the mechanisms of heat transfer enhancement can differ substantially depending on the properties of liquid and morphology of coatings. The enhancement factor for the developed capillary-porous coatings is compared with the results of previous studies obtained using the structured surfaces with re-entrant cavities, microchannels and coatings fabricated by the gas-thermal methods.
AB - Pool boiling heat transfer in capillary-porous coatings was experimentally studied using two coolants (water and liquid nitrogen) at atmospheric pressure. The unique type of capillary-porous coatings with different thicknesses (400–1390 μm), morphology and with high porosity (up to 60%) were fabricated by the directional plasma spraying technique. The study shows that the use of capillary-porous coatings leads to significant enhancement of heat transfer up to 4 times at boiling of liquid nitrogen and up to 3.5 times at boiling of water in the region of low heat fluxes. Based on the analysis of high-speed video, it is shown that the mechanisms of heat transfer enhancement can differ substantially depending on the properties of liquid and morphology of coatings. The enhancement factor for the developed capillary-porous coatings is compared with the results of previous studies obtained using the structured surfaces with re-entrant cavities, microchannels and coatings fabricated by the gas-thermal methods.
KW - Capillary-porous coating
KW - Heat transfer enhancement
KW - Plasma spraying
KW - Pool boiling
KW - PART I
KW - OPEN MICROCHANNELS
KW - DYNAMIC-MODEL
KW - PERFORMANCE
KW - LIQUID
KW - FREE-CONVECTION
KW - TUBES
KW - METALLIC COATINGS
KW - CRISIS PHENOMENA
KW - SURFACES
UR - http://www.scopus.com/inward/record.url?scp=85041484562&partnerID=8YFLogxK
U2 - 10.1016/j.applthermaleng.2018.01.051
DO - 10.1016/j.applthermaleng.2018.01.051
M3 - Article
AN - SCOPUS:85041484562
VL - 133
SP - 532
EP - 542
JO - Applied Thermal Engineering
JF - Applied Thermal Engineering
SN - 1359-4311
ER -
ID: 12079152