Journal ArticleDOI
Flow characteristics of water in microtubes
Gh. Mohiuddin Mala,Dongqing Li +1 more
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TLDR
In this paper, a roughness-viscosity model was proposed to interpret the experimental data and the results indicated significant departure of flow characteristics from the predictions of the conventional theory for microtubes with smaller diameters.About:
This article is published in International Journal of Heat and Fluid Flow.The article was published on 1999-04-01. It has received 711 citations till now. The article focuses on the topics: Water flow & Pressure drop.read more
Citations
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Loss characteristics and flow rectification property of diffuser valves for micropump applications
TL;DR: In this paper, the authors provide data on the loss characteristics and flow rectification performance of flat-walled microdiffuser valves for Reynolds numbers between 100 and 2000 which is considered deficient in literature.
Journal ArticleDOI
Pressure Drop in Rectangular Microchannels as Compared With Theory Based on Arbitrary Cross Section
TL;DR: In this article, the effects of different losses, such as developing region, minor flow contraction and expansion, and streaming potential on the measured pressure drop, are investigated, and the results compare well with the theory based on the presure drop in channels of arbitrary cross-section.
Journal ArticleDOI
Microfluidics for Production of Particles: Mechanism, Methodology, and Applications
TL;DR: An overview of the recent progress of the microfluidics technology for nano-, microparticles or droplet fabrication, and their biological applications is provided.
Journal ArticleDOI
Heat transfer enhancement of nanofluids flow in microtube with constant heat flux
TL;DR: In this article, a two-dimensional microtube with 50μm diameter and 250μm length with constant heat flux is numerically investigated using the finite volume method (FVM) with the aid of SIMPLE algorithm.
Journal ArticleDOI
Experimental and Computational Investigation of Flow Development and Pressure Drop in a Rectangular Micro-channel
TL;DR: In this article, the velocity field was measured using a micro-particle image velocimetry system and a three-dimensional computational model was constructed which provided a detailed description of liquid velocity in both the developing and fully developed regions.
References
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Boundary layer theory
TL;DR: The flow laws of the actual flows at high Reynolds numbers differ considerably from those of the laminar flows treated in the preceding part, denoted as turbulence as discussed by the authors, and the actual flow is very different from that of the Poiseuille flow.
Journal ArticleDOI
Measurement of friction factors for the flow of gases in very fine channels used for microminiature Joule-Thomson refrigerators
Wu Peiyi,W.A. Little +1 more
TL;DR: In this article, the friction factors for the flow of gases in the fine channels used for microminiature Joule-Thomson refrigerators have been measured using a photolithographic technique.
Journal ArticleDOI
Experimental Investigation on Liquid Forced-Convection Heat-Transfer Through Microchannels
B. X. Wang,Xiaofeng Peng +1 more
TL;DR: In this paper, the authors investigated the single-phase forced-flow convection of water or methanol flowing through microchannels with rectangular cross-section and found that the fully developed turbulent convection regime was initiated at about Re = 1000-1500.
Journal ArticleDOI
Frictional flow characteristics of water flowing through rectangular microchannels
TL;DR: In this paper, the authors investigated the flow characteristics of water flowing through rectangular microchannels having hydraulic diameters of 0.133-0.367 mm and H/W ratios between 0.333-1.72i.
Journal ArticleDOI
Measurement of the heat transfer characteristics of gas flow in fine channel heat exchangers used for microminiature refrigerators
Peiyi Wu,W.A. Little +1 more
TL;DR: In this article, heat transfer characteristics have been measured for the flow of gas in the fine channels of the heat exchangers used for microminiature J-T refrigerators.
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Xiaofeng Peng,G. P. Peterson +1 more