Search Results - "Komarov, Sergey"

Liquid jet directionality and droplet behavior during emulsification of two liquids due to acoustic cavitation by Yamamoto, Takuya, Komarov, Sergey V

“…The present study numerically investigates liquid-jet characteristics of acoustic cavitation during emulsification in water/gallium/air and water/silicone…”
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Enhancement of oscillation amplitude of cavitation bubble due to acoustic wake effect in multibubble environment by Yamamoto, Takuya, Komarov, Sergey V.

“…Acoustic cavitation occurs in ultrasonic treatment causing various phenomena such as chemical synthesis, chemical decomposition, and emulsification. Nonlinear…”
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High-speed imaging of ultrasonic emulsification using a water-gallium system by Yamamoto, Takuya, Matsutaka, Ryo, Komarov, Sergey V.

“…•An emulsification process of water-gallium system during ultrasound irradiation was investigated.•Formation of ultrafine droplets occurs when a greatly…”
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Surface vortex formation and free surface deformation in an unbaffled vessel stirred by on-axis and eccentric impellers by Yamamoto, Takuya, Fang, Yu, Komarov, Sergey V.

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Evaluation on different volume of fluid methods in unstructured solver under the optimized condition by Yamamoto, Takuya, Komarov, Sergey V.

“…We compared the accuracy of volume of fluid (VOF) methods in unstructured solvers using the following five different methods: 1 - the algebraically compressive…”
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Single-bubble fragmentation in a mechanically stirred liquid bath under trailing vortex conditions by Yamamoto, Takuya, Komarov, Sergey V.

“…•Bubble fragmentation in a stirred vessel is categorized into three types: collision with a blade, boundary layer ahead of blade, and vortex-induced viscous…”
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Characterization of acoustic streaming in water and aluminum melt during ultrasonic irradiation by Yamamoto, Takuya, Kubo, Kazuki, Komarov, Sergey V.

“…•Acoustic streaming velocity in aluminum melt and water was measured through Karman vortex frequency measurement.•The velocity of acoustic streaming is…”
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Numerical and Physical Simulation of Flux Entrainment Mechanism in Mechanical Stirring Processes by Yamamoto, Takuya, Komarov, Sergey V.

“…The entrainment mechanism of flux layer into a melt bath during its mechanical stirring was clarified in this study through numerical simulation with an aid of…”
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Mechanism of small bubble breakup in an unbaffled stirred vessel by Yamamoto, Takuya, Fang, Yu, Komarov, Sergey V.

“…•Bubbles move behind the impeller blade due to pressure distribution.•Most bubbles in an unbaffled stirred vessel are fragmented in the trailing vortices.•The…”
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Influence of ultrasound irradiation on transient solidification characteristics in DC casting process: Numerical simulation and experimental verification by Yamamoto, Takuya, Komarov, Sergey V.

“…It is well known that solidification of molten metals occurs under the influence of transient unsteady phenomena, which are difficult to control in actual…”
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Cavitation and acoustic streaming generated by different sonotrode tips by Fang, Yu, Yamamoto, Takuya, Komarov, Sergey

“…•Investigations on acoustic flow and cavitation treatment are conducted using sonotrodes with various tips.•Conical tip yields quite different pattern of…”
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Investigation on Three-Dimensional Morphology of Channel-Type Macrosegregation in DC Cast Al-Mg Billets Through Numerical Simulation by Yamamoto, Takuya, Kamiya, Keisuke, Kubo, Takashi, Tsunekawa, Masanori, Komarov, Sergey V.

“…Channel-type segregation is one of the defects in aluminum casting technology, particularly in the direct chill (DC) process, having a significant influence on…”
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Acoustic cavitation assisted plasma for wastewater treatment: Degradation of Rhodamine B in aqueous solution by Fang, Yu, Hariu, Daiki, Yamamoto, Takuya, Komarov, Sergey

“…•Investigations on acoustic cavitation assisted plasma were conducted with a novel reactor.•Treatable range of solution electric conductivity has been…”
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Investigation of impeller design and flow structures in mechanical stirring of molten aluminum by Yamamoto, Takuya, Suzuki, Aire, Komarov, Sergey V., Ishiwata, Yasuo

“…This study investigated the flow characteristics of aluminum melt agitated by differently shaped impellers. A typical impeller used in the aluminum industry…”
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Investigation on the Surface Vortex Formation During Mechanical Stirring with an Axial-Flow Impeller Used in an Aluminum Process by Yamamoto, Takuya, Kato, Wataru, Komarov, Sergey V., Ishiwata, Yasuo

“…The present study investigated the mechanism of surface vortex formation in an aluminum melt vessel stirred by an axial-flow impeller mechanically. The oxide…”
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Combined effect of acoustic cavitation and pulsed discharge plasma on wastewater treatment efficiency in a circulating reactor: A case study of Rhodamine B by Komarov, Sergey, Yamamoto, Takuya, Fang, Yu, Hariu, Daiki

“…•Combination of acoustic cavitation and plasma results in an enhancement of degradation efficiency.•Acoustic cavitation assisted plasma can be created in wide…”
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Ocean Surface Wind Speed Retrieval From the RADARSAT Constellation Mission Co- and Cross-Polarization Images Without Wind Direction Input by Komarov, Alexander S., Komarov, Sergey A., Buehner, Mark

“…New techniques for automated retrieval of ocean surface wind speed from the RADARSAT Constellation mission (RCM) without input wind direction have been…”
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Fabrication of Al-Bi frozen emulsion alloys due to high-intense ultrasound irradiation by Komarov, Sergey, Yamamoto, Takuya, Sun, Jincheng

“…•Cavitation bubbles implode causing fine droplets of bismuth to form emulsion.•Acoustic streaming transfers bismuth droplets throughout the melt.•After…”
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Sonoprocessing of materials (Special issue) by Eskin, Dmitry, Komarov, Sergey, Tzanakis, Iakovos

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Penetration depth of photons in biological tissues from hyperspectral imaging in shortwave infrared in transmission and reflection geometries by Zhang, Hairong, Salo, Daniel, Kim, David M, Komarov, Sergey, Tai, Yuan-Chuan, Berezin, Mikhail Y

“…Measurement of photon penetration in biological tissues is a central theme in optical imaging. A great number of endogenous tissue factors such as absorption,…”
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