Results 21 to 30 of about 39,649 (226)

Flow Characteristics of the Entrance Region with Roughness Effect within Rectangular Microchannels

Micromachines, 2019
We conducted systematic numerical investigations of the flow characteristics within the entrance region of rectangular microchannels. The effects of the geometrical aspect ratio and roughness on entrance lengths were analyzed.
Haiwang Li, Yujia Li, Binghuan Huang, Tiantong Xu   +3 more
doaj   +1 more source

Organ-on-a-Chip: Design and Simulation of Various Microfluidic Channel Geometries for the Influence of Fluid Dynamic Parameters

Applied Sciences, 2022
Shear stress, pressure, and flow rate are fluid dynamic parameters that can lead to changes in the morphology, proliferation, function, and survival of many cell types and have a determinant impact on tissue function and viability.
Francesca Pisapia, Wamadeva Balachandran, Manoochehr Rasekh   +2 more
doaj   +1 more source

Analysis of Hydraulic Mixing Efficiency in Widespread Models of Micromixers

Fluids, 2020
In this paper, we present the results of a systematic numerical study of the flow and mixing modes of fluids in micromixers of various configurations, in particular, an analysis of passive micromixers, the most widely used in practice, as well as the ...
Andrey V. Minakov, Alexander S. Lobasov, Anna A. Shebeleva, Alexander V. Shebelev   +3 more
doaj   +1 more source

Pseudo-Desublimation of AdBlue Microdroplets through Selective Catalytic Reduction System Microchannels and Surfaces

Micromachines, 2023
In the present paper, the occurrence and development of the pseudo-desublimation process of AdBlue microdroplets in the microchannels and surfaces of catalytic reduction systems (SCR) are reported.
Claudiu Marian Picus, Ioan Mihai, Cornel Suciu   +2 more
doaj   +1 more source

Computational fluid dynamics simulations to improve performance characteristics of a manifold having a central inlet and outlet

Frontiers in Energy Research, 2022
In the present work, performance/flow characteristics (namely, the effect of operating parameters like pressure on flow patterns, pressure drop, and the extent of flow uniformity) and transport phenomena of a manifold (header tube assembly) having an ...
Arijit A. Ganguli, Arijit A. Ganguli, Aniruddha B. Pandit   +2 more
doaj   +1 more source

Fibroblast Derived Skin Wound Healing Modeling on Chip under the Influence of Micro-Capillary Shear Stress

Micromachines, 2022
Fibroblast cell migration plays a crucial role in the wound-healing process. Hence, its quantitative investigation is important to understand the mechanism of the wound-healing process.
Sharda Gupta, Lavish Patel, Kunal Mitra, Arindam Bit   +3 more
doaj   +1 more source

Parametrical Study on the Capillary Flowing Characteristics of the Parallel Microchannel Array

Crystals, 2022
The flow mechanism within a silicon-based micro heat sink plays a crucial role in two-phase thermal dissipation technology. In this study, the effect of geometrical properties on the flow behavior within a silicon-based array parallel microchannel as the
Lihong Xue, Chunsheng Guo, Yuankun Zhang, Yanfeng Xu, Baorui Li   +4 more
doaj   +1 more source

Heat Transfer Enhancement in the Microscale: Optimization of Fluid Flow

Nanomaterials, 2022
The focus of this paper is to investigate the effects of the addition of a connector between two serial microchannels. The idea of adding connector at the inlet of microchannels to enhance the random motion of molecules or nanoparticles in low Reynolds ...
Joshua Beck, Michael Palmer, Kallie Inman, Jake Wohld, Marcus Cummings, Ryan Fulmer, Branden Scherer, Saeid Vafaei   +7 more
doaj   +1 more source

Nanowires Reinforce Oriented Macroporous Aerogels for Rapid Uranium Removal from Acidic Radioactive Wastewater. [PDF]

Adv Sci (Weinh)
A “reinforced concrete” structural aerogel with directional microchannels is engineered for rapid uranium capture. The interconnected architecture enables ultrafast water permeation, and the nanowire reinforcement yields a 70‐fold increase in mechanical strength.
Liu Z, Guan S, Shi S, Wang H, Zhou W, Wang H, Liu T, Yuan Y, Wang N.   +8 more
europepmc   +2 more sources

Experimental Studies of Droplet Formation Process and Length for Liquid–Liquid Two-Phase Flows in a Microchannel

Energies, 2021
In this study, changes in the droplet formation mechanism and the law of droplet length in a two-phase liquid–liquid system in 400 × 400 μm standard T-junction microchannels were experimentally studied using a high-speed camera.
Li Lei, Yuting Zhao, Wukai Chen, Huiling Li, Xinyu Wang, Jingzhi Zhang   +5 more
doaj   +1 more source