搜索结果: 1-15 共查到“工学 Droplets”相关记录16条 . 查询时间(0.078 秒)
At a time when astronomers around the world are reveling in new views of the distant cosmos, an experiment on the International Space Station has given Cornell researchers fresh insight into something...
While brooms and sponges are the means of choice to fight contamination in everyday life, cleaning sensitive surfaces such as electronic components requires different tools, including evaporation-base...
中国地质大学科学技术发展院宋潮龙等机电学院, Lab on a Chip, 27 March 2018. Opto-acousto-fluidic microscopy for three-dimensional label-free detection of droplets and cells in microchannels（图）
荧光剂；纳米颗粒；实现；物质；检测；分析
2021/10/21
2018年3月27日，微流控领域国际顶级期刊《Lab on a Chip》刊发了中国地质大学机电学院宋潮龙教授的最新研究成果：“Opto-acousto-fluidic microscopy for three-dimensional label-free detection of droplets and cells in microchannels”，该论文被推荐为封面文章。
Jumping droplets whisk away hotspots in electronics
Jumping droplets whisk away hotspots electronics
2017/4/27
Engineers have developed a technology to cool hotspots in high-performance electronics using the same physical phenomenon that cleans the wings of cicadas.
When water droplets merge, the reduction in...
TURBULENT TRASITION IN ELECTROMAGNETICALLY LEVITATED LIQUID METAL DROPLETS
TURBULENT TRANSITION ELECTROMAGNETICALLY LEVITATED LIQUID METAL DROPLETS
2014/10/23
The condition of fluid flow has been proven to have a significant influence on a wide variety of material processes. In electromagnetic levitation (EML) experiments, the internal flow is driven primar...
Viscous coalescence of droplets -- a Lattice Boltzmann study
Viscous coalescence of droplets Lattice Boltzmann study Fluid Dynamics
2012/5/29
The coalescence of two resting liquid droplets in a saturated vapor phase is investigated by Lattice Boltzmann simulations in two and three dimensions. We find that, in the viscous regime, the bridge ...
Particle tracking for polydisperse sedimenting droplets in phase separation
particle tracking image processing droplet size distribution phase separation
2011/8/3
Abstract: When a binary fluid demixes under a slow temperature ramp, nucleation, coarsening and sedimentation of droplets lead to an oscillatory evolution of the phase separating system. The advection...
Thermocapillary migration and interactions of two nondeformable droplets
Thermocapillary migration nondeformable
2011/8/29
A numerical study on interactions of two spherical drops in thermocapillary migration in microgravity is presented. Finite-difference methods were adopted and the interfaces of drops were captured by ...
3种喷头雾滴输运沉积参数的试验与分析（Experiment and Analysis on Droplets Motion and Deposition Parameters of 3 Nozzles）
荷电雾滴 图像处理 沉积面积
2009/11/3
为了研究在感应荷电状态下高电压对雾滴输运沉积参数的影响，选用3种德国Lechler公司生产的不同流量的TR80-01c、TR80-02c、TR80-03c型喷头，在相同的喷雾压力和液体介质条件下进行试验。利用显微图像结合数字图像处理技术对荷电雾滴输运沉积面积、覆盖率、沉积密度、分布均匀性等状态参数进行取样和分析。试验结果表明：随着输运距离的增加，3种喷头的雾滴覆盖率δ先上升后下降，最高峰值分别达到...
CFD Analysis of Generation of Soybean Oil-in-Water Emulsion Droplets Using Rectangular Straight-Through Microchannels
Straight-through microchannel rectangular channel droplet generation
2009/5/20
This study reports a three-dimensional computational fluid dynamics (CFD) analysis of generation of soybean oil-in-water emulsion droplets using rectangular straight-through microchannels (MCs) with s...
提出了一种雾滴沉积分布的空间解析方法，并利用该方法对棚室内常温烟雾机雾滴的当量直径、覆盖率和沉积密度等参数进行了分析研究。试验结果表明：雾滴当量直径和覆盖率在棚室的两侧大，中轴线小，而沉积密度正好相反；雾滴当量直径和覆盖率在距棚室入口25m处的两侧皆出现峰值，沉积密度在棚室中轴线上距入口13、35和52m处出现峰值。表明采用空间解析方法比单曲线分析方法更能反映雾滴在棚室内沉积分布的状况。 A ne...
Size distribution of droplets above a rotating stream tray and model of droplet motion therein
rotating stream tray droplet size distribution model for droplet motion
2009/3/23
Size distribution of droplets above a rotating stream tray and model of droplet motion therein.
Potential Photooxidation Pathways of Dicarboxylic Acids in Atmospheric Droplets
Dicarboxylic acid reaction pathway intermediates photooxidation
2009/1/5
Low molecular weight (LMW) dicarboxylic acids (DCAs) have received increasing attention because of their hygroscopic properties and capability of acting as cloud condensation nuclei (CCN). Based on th...
Evaporation of Water Droplets by Radiation: Effect of Absorbing Inclusions
Cloud droplets Evaporation Radiation.
2016/3/30
Numerical solutions are obtained for transient response of water droplets to radiative heating.
Results are presented for evaporation of polydispersed droplets in the solar radiation field. The
evol...
Stability and Uniformity of Oil Droplets in Preparation of O/W Emulsion Agar Gel
emulsion gel agar stability, uniformity
2010/11/22
We investigated the stability of a monodispersed o/w emulsion and the uniformity of oil droplet distribution in an agar-based emulsion gel during successive stages of gel preparation. At each stage of...