Results 21 to 30 of about 2,568,461 (274)

Heat Transfer Characteristics of Conventional Fluids and Nanofluids in Micro-Channels with Vortex Generators: A Review

open access: yesEnergies, 2022
An effective way to enhance the heat transfer in mini and micro electronic devices is to use different shapes of micro-channels containing vortex generators (VGs).
Mushtaq T. Al-Asadi   +2 more
doaj   +1 more source

Modelling of Geometric Features of Micro-Channel Made using Abrasive Assisted Electrochemical Jet Machining

open access: yesInternational Journal of Electrochemical Science, 2020
Geometric features of micro channel can significantly affect heat transfer rate or fluid mixing rate in applications where the micro channels are functioning.
Changshui Gao   +3 more
doaj   +1 more source

Preliminary experiment of supersonic micro-channel gas flow visualization by using Interferometer

open access: yesJournal of Fluid Science and Technology, 2014
In this study, a cooling device using supersonic flow inside a micro-channel has been evaluated. To confirm the density measurement and temperature estimation of the supersonic air flow inside a micro-channel, a preliminary experiment using an ...
Yuya TAKAHASHI   +4 more
doaj   +1 more source

Microfluidic Cooling System in High-Power Bare Chip Modules Based on New Process Technology

open access: yesZhileng xuebao, 2023
A closed-loop integrated microfluidic cooling system was designed to mitigate the heat dissipation problem in a high-power bare chip. The heat dissipation capabilities of a microchannel manufactured in the cavity and an unmanufactured cavity were ...
Li Lidan   +5 more
doaj  

Development of a MEMS channel device for hydrogen gas separation based on the Soret effect

open access: yesJournal of Thermal Science and Technology, 2014
Energy sources independent of fossil fuels or atomic power are of great importance to achieve a sustainable society from the viewpoint of environmental conservation and benefits. Hydrogen is considered as one of the main candidates for new sources.
Takahiro WAKO   +3 more
doaj   +1 more source

Effects of the Wall Temperature on Rarefied Gas Flows and Heat Transfer in a Micro-Nozzle

open access: yesMicromachines, 2023
When the satellite is in orbit, the thruster will experience drastic temperature changes (100–1000 K) under solar radiation, which will affect the rarefied gas flow state in the micro-nozzle structure of the cold gas micro-thruster.
Shurui Zhang   +5 more
doaj   +1 more source

Prediction of Surface Roughness in Abrasive Assisted Electrochemical Jet Machining of Micro-Channels

open access: yesInternational Journal of Electrochemical Science, 2018
Abrasive assisted electrochemical jet machining (AECJM) is capable of fabricating micro-channels effectively at metal surface through erosion, corrosion and synergistic effect simultaneously.
Kai Zhao   +3 more
doaj   +1 more source

Investigation of Optimal Coupling Velocities of the Sample and Sheath Flows for Hydrodynamic Focusing

open access: yesJournal of Marine Science and Engineering, 2020
Focusing performance is a major concern for systems based on hydrodynamic focusing. In this study, the hydrodynamic focusing subsystem of a microscopic imaging system was analysed and modelled.
Dingpeng Huang   +6 more
doaj   +1 more source

Turbulent Flow in a Micro-Channel [PDF]

open access: yesASME 4th International Conference on Nanochannels, Microchannels, and Minichannels, Parts A and B, 2006
Turbulent flow of water in a narrow gap of an emulsifier is investigated experimentally using micro-PIV (micro Particle Image Velocimetry) technique and compared with numerical predictions performed using the commercial code Fluent. The purpose of the investigations is to develop a procedure for well-controlled generation of mono-disperse suspension of
Tomasz A. Kowalewski   +2 more
openaire   +1 more source

Development of Micro Channel Heat Exchanging

open access: yesJSME International Journal Series B, 2000
In order to investigate the performance of the micro channel heat exchanger, three-dimensional numerical simulations and experiments on heat transfer behavior and pressure loss were carried out. So far as the heat transfer phenomena is concerned, results obtained using a silicon chip micro channel model showed a very small thermal resistance, about 0.1
KAWANO, Koichiro   +4 more
openaire   +3 more sources

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