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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Fluid flow and heat transfer characteristics of liquid cooling microchannels in LTCC multilayered packaging substrate
TL;DR: In this article, the fluid flow and heat transfer of liquid cooling microchannels embedded in low temperature co-fired ceramic (LTCC) multilayered electronic packaging substrate have been investigated.
Journal ArticleDOI
Effects of Corrugated Roughness on Developed Laminar Flow in Microtubes
Zhipeng Duan,Yuri S. Muzychka +1 more
TL;DR: In this article, the effects of corrugated surface roughness on developed laminar flow in microtubes are investigated, and analytical models are developed to predict friction factor and pressure drop in CORrugated rough micro-tubes for continuum flow and slip flow.
Journal ArticleDOI
Huge reduction in pressure drop of water, glycerol/water mixture, and aqueous solution of polyethylene oxide in high speed flows through micro-orifices
TL;DR: In this paper, pressure drops were measured for water, a 50/50 glycerol/water mixture, and a 0.1% aqueous solution of polyethylene oxide (PEO) 8000 flowing at high velocities through various sizes of micro-orifice.
Journal ArticleDOI
Numerical investigation of the influence of roughness on the laminar incompressible fluid flow through annular microchannels
TL;DR: In this article, the effects of surface roughness on the laminar fluid flow through annular microchannels were investigated by means of numerical simulation, and a method was proposed to take into account the roughness effects in the calculation or simulation of the fluid flow, based on the classical viscous flow equations.
Journal ArticleDOI
Microscopic particle image velocimetry measurements of transition to turbulence in microscale capillaries
TL;DR: The character of transitional capillary flow is investigated using pressure-drop measurements and instantaneous velocity fields acquired by microscopic PIV in the streamwise-wall-normal plane of a 536-μm capillary over the Reynolds-number range 1,800 ≤ Re ≤ 3,400 in increments of 100 as mentioned in this paper.
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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