Results 41 to 50 of about 21,224 (168)

Heat Transfer Enhancement for Rarefied Flow Within a Microchannel Featuring Obstructions

Revue des Énergies Renouvelables
The present study investigates forced convection heat transfer of rarefied flow within a microchannel containing obstacles using the thermal lattice Boltzmann method using a double distribution function model and BGK approximation.
Siham Hammid, Khatir Naima, Abdelkrim Liazid, Cheikh Kezrane   +3 more
doaj   +1 more source

The Effect of Microfluidic Geometry on Myoblast Migration

Micromachines, 2019
In vitro systems comprised of wells interconnected by microchannels have emerged as a platform for the study of cell migration or multicellular models.
Rahul Atmaramani, Bryan J. Black, Kevin H. Lam, Vinit M. Sheth, Joseph J. Pancrazio, David W. Schmidtke, Nesreen Zoghoul Alsmadi   +6 more
doaj   +1 more source

Experimental investigation on flow boiling heat transfer of R1233zd(E) in a variable width parallel microchannel

Zhileng xuebao
In this study, the subcooled flow boiling heat transfer of R1233zd(E) in uniform width microchannel and variable width parallel microchannel was experimentally investigated. The flow boiling curves, heat transfer coefficients and pressure drop of the two
CAI Huayu, FANG Yidong, LU Di, JIANG Chenhan   +3 more
doaj  

A surface acoustic wave micropump to pump fluids from a droplet into a closed microchannel using evaporation and capillary effects

AIP Advances, 2014
A new method for converting a microdroplet on a piezoelectric substrate into continuous fluid flow in microchannels is presented. An interdigital transducer with 27.5 MHz center frequency is fabricated on a 1280 yx-LiNbO3 piezoelectric substrate for ...
Anliang Zhang, Yan Zha, Jiansheng Zhang
doaj   +1 more source

Computational analysis of heat transfer and fluid flow characteristics in a diamond microchannel heat sink with orthogonal ribs

Case Studies in Thermal Engineering
As electronic devices advance toward higher power densities and increased miniaturization, the resulting rise in heat flux presents significant challenges to their performance, reliability, operational lifespan, and energy efficiency.
Liang Du, Wenbo Hu, Ningkang Deng, Zhaoyang Zhang, Hongxing Wang   +4 more
doaj   +1 more source

Drag Reduction Properties of Nanofluids in Microchannels

The Journal of Engineering Research, 2015
An experimental investigation of the drag reduction (DR) individualities in different sized micro channels was carried out with nanopowder additives (NAs) (bismuth(III) oxide, iron(II/III) oxide, silica, and titanium(IV) oxide) water suspensions/fluids ...
H.A. Abdulbari, F.L.W. Ming
doaj   +1 more source

Ultrafast Laser-Enabled 3D Glass Microchannel Reactors

Sensors
Microchannel reactors are among the most important tools used for high-performance continuous-flow synthesis. However, most microchannel reactors manufactured with conventional micromachining techniques are limited to two-dimensional (2D) planar ...
Xiaolong Li, Jinxin Huang, Jian Xu, Ya Cheng   +3 more
doaj   +1 more source

3D Multi-Microchannel Helical Mixer Fabricated by Femtosecond Laser inside Fused Silica

Micromachines, 2018
Three-dimensional (3D) multi-microchannel mixers can meet the requirements of different combinations according to actual needs. Rapid and simple creation of 3D multi-microchannel mixers in a “lab-on-a-chip” platform is a significant challenge in ...
Chao Shan, Feng Chen, Qing Yang, Zhuangde Jiang, Xun Hou   +4 more
doaj   +1 more source

Analysis of Evaporative Heat Transfer by Expansion Bubble in a Microchannel for High Heat Flux Cooling

Journal of Thermal Science and Technology, 2012
The objectives of this study were to establish a theoretical model of the phase change heat transfer in a microchannel and to investigate the possibility of cooling under higher heat flux than the critical heat flux for nucleate boiling.
Junnosuke OKAJIMA, Atsuki KOMIYA, Shigenao MARUYAMA   +2 more
doaj   +1 more source

Review on Research Status of Frosting Characteristics of Microchannel Heat Exchanger

Zhileng xuebao, 2020
When operated under low ambient temperature conditions, the frosting rate of a microchannel evaporator is high, which restricts its application in refrigeration systems.
Xiong Tong, Yan Gang, Fan Chaochao, Yu Jianlin   +3 more
doaj