Two-phase flow in microchannels
WebAug 31, 2024 · The microchannel cooling technology is an effective method to solve heat dissipation problems caused by high power electronic devices In this work, the heat transfer and flow characteristics of microchannels with solid and porous ribs are comprehensively investigated using numerical approaches It is reported that the thermal performance of … WebAug 8, 2010 · In view of these differences, the correlations used for tubes with a larger diameter cannot be used to calculate the boundaries of the transitions between different …
Two-phase flow in microchannels
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WebFlow regime map abstract Gaseliquid two-phase flow in microchannels with hydraulic diameters of 100e500 mm exhibits drasti-cally different flow behaviors from its … WebOct 1, 2002 · Characterization of Two -Phase Flow in Microchannels @inproceedings{Nio2002CharacterizationOT, title={Characterization of Two -Phase Flow …
WebJan 26, 2024 · At first, the copper microchannels were submerged into KOH (2.5 mol/L) and K 2 S 2 O 8 (0.065 mol/L) mixture solution. The solution was warmed for 30 min in a water … WebBenchmark simulations reveal that omission of gas flow, i.e. neglecting convective transport in gas phase, results in the underestimation of evaporation rates by 23–54%. When gas flow is considered but the effect of buoyancy is modeled using Boussinesq approximation instead of assigning temperature dependent density throughout the gas domain, …
WebThis item appears in the following Collection(s) Georgia Tech Theses and Dissertations [23878] Theses and Dissertations; School of Mechanical Engineering Theses and … WebIn this paper, flow patterns and mass transfer characteristics of two immiscible fluids in a T-junction circular microchannel were investigated. Four flow patterns, i.e. slug flow, …
WebFor gas–liquid two-phase flow in comb-shaped microchannels, operating conditions could change the flow pattern and the uniformity of flow distribution and further affect the mass transfer performance. In this study, the hydrodynamics and mass transfer of gas–liquid two-phase flow in comb-shaped microchannels are investigated. Four flow patterns are …
WebMay 16, 2024 · A set of experimental platforms with widths of 0.5, 1.0, 1.5, and 2.0 mm was established to explore the mechanism of flow boiling bubble dynamics in microchannels, … charter arms professional 357 for saleWebThe vapor-water two-phase flow patterns were observed in the parallel microchannels through a microscope and high-speed video camera. It was observed that hydraulic instabilities occur. Existence of a periodic annular flow was also observed, which consists of a symmetrically distributed liquid ring surrounding the vapor core. charter arms professional 357 problemsWebThe liquid flow-focusing was achieved by introducing a lipid solution with a water-miscible organic solvent and an aqueous surfactant solution simultaneously through the two branches of the cross-junction into the main channel, while the gas displacing was accomplished by injecting an inert gas (N 2) through the T-junction at the downstream of … charter arms professional 32 reviewsWebThe objective of this work is to experimentally study frictional pressure drop and void fraction associated with gas±liquid two-phase ¯ow in microchannels. Horizontal, circular … current urkrain battle warsWebfluid and the mass flow rate ranged from 0.95 to 67.62 g/min. The heating power was 0 W for the adiabatic single-phase pressure measurements and 12 W for the flow-boiling … current usaf aircraft inventoryWebAbout. I am Assistant Professor in Computational Fluid Mechanics at the University of Nottingham. My research activity focuses on fluid mechanics, heat transfer, and theoretical/numerical methods, with particular interest on multiphase flows, thin films, phase change and phase separation in mini/microchannels, and applications such as compact ... charter arms professional 32 mag shootingWebIn this paper, flow patterns and mass transfer characteristics of two immiscible fluids in a T-junction circular microchannel were investigated. Four flow patterns, i.e. slug flow, irregular flow, parallel flow and annular flow, were captured by a CCD method, which were resulted from the competition among interfacial tension, viscous force and inertia force. Besides, … current usa aquarium light