Results 31 to 40 of about 58,986 (291)

Optofluidic microchannels in aerogel [PDF]

Optics Letters, 2011
We report optofluidic waveguides made by filling microchannels in aerogel with water. The aerogel cladding is a nanoporous material with an extremely low refractive index of ~1.05, giving a large index step from the water core. Channels were formed by removing embedded optical fibers, which could be nonuniform or multiple.
Xiao, Limin, Birks, T.A.
openaire   +3 more sources

Pressure Driven Rapid Reconfigurable Liquid Metal Patterning

Micromachines, 2023
This paper proposes a method for pressure driven rapid reconfigurable liquid metal patterning. A sandwich structure of “pattern—film—cavity” is designed to complete this function.
Bingxin Liu, Peng Qin, Mingyang Liu, Wei Liu, Pan Zhang, Zi Ye, Zhongshan Deng, Zhenming Li, Lin Gui   +8 more
doaj   +1 more source

Experimental investigation of non-uniform heating effect on flow boiling instabilities in a microchannel-based heat sink [PDF]

, 2011
Copyright @ 2011 ElsevierTwo-phase flow boiling in microchannels is one of the most promising cooling technologies for coping with high heat fluxes produced by the next generation of central processor units (CPUs).
A.J. Walton, Bergles, Bogojevic, D. Bogojevic, D.B.R. Kenning, G. Cummins, H. Lin, Hetsroni, K. Sefiane, Kandlikar, Kenning, Kosar, Lin, Qu, Revellin, T.G. Karayiannis, Wang, Zhang   +17 more
core   +1 more source

The Effect of Hydraulic Diameter on Flow Boiling within Single Rectangular Microchannels and Comparison of Heat Sink Configuration of a Single and Multiple Microchannels

Energies, 2021
Phase change heat transfer within microchannels is considered one of the most promising cooling methods for the efficient cooling of high-performance electronic devices.
Konstantinos Vontas, Manolia Andredaki, Anastasios Georgoulas, Nicolas Miché, Marco Marengo   +4 more
doaj   +1 more source

Fabrication of Perfluoropolyether Microfluidic Devices Using Laser Engraving for Uniform Droplet Production

Micromachines
A perfluoropolyether (PFPE)-based microfluidic device with cross-junction microchannels was fabricated with the purpose of producing uniform droplets. The microchannels were developed using CO2 laser engraving.
Eun Seo Kim, Mincheol Cho, Inseong Choi, Sung-Wook Choi   +3 more
doaj   +1 more source

Study on the Coupling Effect of Heat Transfer and Refrigerant Distribution in the Flat Tube of a Microchannel Evaporator

Energies, 2022
Refrigerant maldistribution severely deteriorates the heat transfer performance of a microchannel evaporator. Compared with the refrigerant distribution among flat tubes along the header, refrigerant distribution among microchannels in the flat tube in ...
Wenju Hu, Xin Zhang
doaj   +1 more source

Population genetics in microchannels

Proceedings of the National Academy of Sciences, 2022
Significance Many microbial populations proliferate in small channels. In such environments, reproducing cells organize in parallel lanes. Reproducing cells shift these lanes, potentially expelling other cells from the channel. In this paper, we combine theory and experiments to understand how these dynamics affects the diversity
Anzhelika Koldaeva, Hsieh-Fu Tsai, Amy Q. Shen, Simone Pigolotti   +3 more
openaire   +3 more sources

Biomimetic inner helicoidal microfluidics with enhanced capillary rise for step liquid lifting mimicking transpiration

International Journal of Extreme Manufacturing
Bionic microfluidics is garnering increasing attention due to the superior fluidic performance enabled by biomimetic microstructures. Inspired by the unique structures of young pumpkin stems, we fabricate helicoidally patterned microchannels with ...
Zhaolong Wang, Yinfeng Li, Ziheng Zhan, Mingzhu Xie, Yingying Li, Chengqi Zhang, Zhichao Dong, Yong Shuai   +7 more
doaj   +1 more source

Similarities and differences between flow boiling in microchannels and pool boiling [PDF]

, 2009
This paper was presented at the 2nd Micro and Nano Flows Conference (MNF2009), which was held at Brunel University, West London, UK. The conference was organised by Brunel University and supported by the Institution of Mechanical Engineers, IPEM, the ...
2nd Micro and Nano Flows Conference (MNF2009), Kandlikar, SG   +1 more
core  

MODELLING THE INFLUENCE OF NUCLEUS ELASTICITY ON CELL INVASION IN FIBER NETWORKS AND MICROCHANNELS [PDF]

, 2013
Cell migration in highly constrained extracellular matrices is exploited in scaffold-based tissue engineering and is fundamental in a wide variety of physiological and pathological phenomena, among others in cancer invasion and development. Research into
Preziosi, Luigi, Scianna, Marco
core   +1 more source