搜索结果: 1-15 共查到“工学 capillary”相关记录26条 . 查询时间(0.078 秒)
Development of capillary-driven microfldic biosensors for food safety and quality assurance
capillary-driven microfldic biosensors food safety quality assurance
2014/10/27
Rapid detection technologies with high sensitivity and selectivity for pathogenic bacteria are critical in food safety and quality assurance. Traditional laboratory benchtop techniques (i.e. Culture a...
A Computational Simulation of Supercritical Carbon Dioxide and Ethanol Capillary Flow
Computational Simulation Supercritical Carbon Dioxide Ethanol Capillary Flow
2014/10/23
Homogenous and separated flow metho ds have b een presented for use in the capillary tub e section of the Plasma Rapid Expansion of Sup ercritical Solutions (PRESS) pro cess using a carb on dioxide an...
Visualization of the flow profile inside a thinning filament during capillary breakup of a polymer solution via particle image velocimetry (PIV) and particle tracking velocimetry (PTV)
flow profile thinning filament polymer solution particle tracking velocimetry Fluid Dynamics
2012/5/17
We investigated the flow profile of a polymer solution in a thinning capillary bridge. Fluorescent tracer particles with a diameter of 3$\mu$m were used to visualize the flow. The cylindrical shape of...
Capillary filling with giant liquid/solid slip: dynamics of water uptake by carbon nanotubes
Capillary filling giant liquid/solid slip dynamics water uptake carbon nanotubes
2011/8/17
Abstract: This article discusses the way the standard description of capillary filling dynamics has to be modified to account for liquid/solid slip in nanometric pores. It focuses in particular on the...
Energy spectra of gravity and capillary waves with narrow initial excitation
Energy spectra gravity capillary waves narrow initial excitation
2011/8/4
Abstract: In this Letter we present a general method for describing discrete modes' generation in a turbulent wave system with narrow initial excitation. The method is based on the mechanism of modula...
锥-射流模式下毛细管静电雾化流场的PIV测量（Investigation on Electrostatic Spray of Capillary in Cone-jet Mode Using PIV）
锥-射流模式下毛细管静电雾化流场的静电雾化 锥-射流 雾滴速度 粒子图像速度场仪
2010/12/28
采用粒子图像速度场仪测量了毛细管微射流静电雾化流场，获得了毛细管静电雾化的典型雾化模式和锥-射流模式下雾场中雾滴的速度矢量图与流线图，分析了雾滴在输运过程中的受力情况和静电电压作用下的速度与流线变化。实验结果表明：在静电力与极化力、重力、流体拖曳力等共同作用下，随着荷电电压的增加，雾场流线分布均匀，雾滴在轴线上速度逐渐增加。在任一电压下，随着射流轴向距离的增加，同一截面上雾滴速度都有所增加，且速度...
Capillary instability,squeezing,and shearing in head-on microfluidic devices
Capillary instability squeezing shearing microfluidic devices
2016/12/2
We investigate two-phase (oil and water) flow in head-on microfluidic devices, which consist of two identical channels as inlets and the “long leg” as a constriction channel leading to a wider outlet ...
Formation of molecular doping patterns in organic–inorganic hybrid films by a capillary electrophoresis doping technique
molecular-doping lithography organic-inorganic hybrid films capillary electrophoresis doping (CED)
2010/1/19
A new technique is proposed for the fabrication of fine patterns of molecular doping in organic–inorganic hybrid materials by the combination of capillary electrophoresis doping (CED) and photolithogr...
Experimental Investigation of Effective Parameters on Efficiency of Capillary Imbibition in Naturally Fractured Reservoirs
Capillary imbibition Fractured reservoir EOR Heavy oil Carbonate rock
2009/8/4
When a matrix is saturated by a non-wetting phase, and the wetting phase fills the fracture network, capillary imbibition may occur. Capillary imbibition can be an effective recovery mechanism in wat...
Flow Mechanism for Fluidity of Silkworm（Bombyx mori）Blood in a Capillary
silkworm blood flow property
2009/6/18
Flow property and dispersal state of silkworm (Bombyx mori) blood in a capillary were studied using various bore-sizes of a low shear capillary viscometer combined with photomicroscopy. The viscosity ...
Quantification of Nobiletin and Tangeretin in Citrus by Micellar Electrokinetic Capillary
nobiletin tangeretin polymethoxylated flavone
2009/5/31
A micellar electrokinetic capillary chromatographic (MEKC) method was developed for the two major polymethoxylated flavones, nobiletin and tangeretin, using a fused-silica open-tubular capillary in a ...
The effect of capillary pressure and buoyancy on the production performance of the Mobara type dissolved-in-water natural gas field
dissolved-in-water natural gas field Mobara type production performance
2009/5/7
The Mobara gas field is one of the dissolved-in-water type natural gas fields. This field exists in Chiba Prefecture, Japan. The wells in this field have particular production performance curves cal...
Capillary Rise in Macro and Micro Pores of Jersey Knitting Structure
Capillary Rise Macro Micro Pores
2009/3/10
Wicking in textile materials is a very complicated, multi-faceted phenomena. This paper investigated capillary rise in a jersey knitting structure. A mathematical model was developed based on the indu...
Quantitative Analysis of in Traditional Egyptian Foods (Koushary and Foul Medams), Black Tea, Instant Coffee and Bottled Waters by Solid Phase Extraction-Capillary Gas Chromatography-Mass Spectroscopy
Phthalates Plasticizers Egyptian Foods
2016/5/31
In the present study, method of solid-phase extraction followed by capillary gas chromatography coupled to mass spectrometry (SPE-GC-MS) was used for quantitative analysis of trace levels of phthalate...
Operational Modes of Dual-capillary Electrospraying and the Formation of the Stable Compound Cone-jet Mod
Dual-capillary electrospraying Cone-jet mode Stable mode formation
2016/3/29
Experiments were performed to investigate the operational modes in a dual-capillary
electrospraying (ES) system in the point-to-plate configuration. For a fixed distance from the capillary
tip to th...