Influence of surface roughness and porosity of inclusion in water droplet on heat transfer enhancement / A. G. Borisova, V. M. Gumerov, M. V. Piskunov
Уровень набора: (RuTPU)RU\TPU\network\4526, MATEC Web of ConferencesЯзык: английский.Резюме или реферат: Using high-speed camera, the experiments were performed to research evaporation of 10 µl water droplets containing 2 mm solid inclusions in the shape of cube, when heated (up to 850 K) in combustion products of technical ethanol. Adding solid inclusions in water droplets allowed considerably decreasing (by 70%) their evaporation times. Also, the artificial irregularities (roughness and porosity) at the surfaces of solid inclusions were manufactured to increase heat transfer area. Such approach enabled to decrease evaporation times of heterogeneous liquid droplets in high-temperature gases by 40% (when comparing inclusions with artificial irregularities and smooth surface)..Примечания о наличии в документе библиографии/указателя: [References: 5 tit.].Тематика: электронный ресурс | труды учёных ТПУ | поверхности | пористость | вода | капли | теплопередача | водяные капли | испарение | твердые включения | теплообмен Ресурсы он-лайн:Щелкните здесь для доступа в онлайнTitle screen
[References: 5 tit.]
Using high-speed camera, the experiments were performed to research evaporation of 10 µl water droplets containing 2 mm solid inclusions in the shape of cube, when heated (up to 850 K) in combustion products of technical ethanol. Adding solid inclusions in water droplets allowed considerably decreasing (by 70%) their evaporation times. Also, the artificial irregularities (roughness and porosity) at the surfaces of solid inclusions were manufactured to increase heat transfer area. Such approach enabled to decrease evaporation times of heterogeneous liquid droplets in high-temperature gases by 40% (when comparing inclusions with artificial irregularities and smooth surface).
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