A physical model of micro-bubble growth in the rectangular microchannel was established by considering the micro layer of liquid in the heater.
通过对微机电系统微流体器件中气泡生长实验结果的分析,考虑加热元表面液体微层的作用,将微气泡生长分为晶核形成、球形气泡、受侧壁挤压的气泡、沿微通道生长的气泡4个阶段,建立了矩形微通道内微气泡控制生长物理模型;采用Level Set Method模拟了矩形微通道内微气泡控制生长过程,获得了微气泡生长特性。
With the silicon microfabrication process,six micro-electro-mechanical systems(MEMS) devices for exploring micro-bubble growth were designed and fabricated.
采用微机电系统(MEMS)硅加工工艺,设计、加工出了6种不同规格的实验用微气泡控制生长MEMS器件;构建了MEMS器件中微气泡控制生长实验系统并完成了实验,讨论了热负荷、微加热元宽度、微通道截面参数、工质流速及物性参数等对微气泡生长的影响。
Momentum balance equations were established for both x-direction and y-direction, by which bubble growth rate and departure diameter can be calculated.
采用图象捕集与处理系统，对竖直矩形通道内液体流动沸腾气泡长大与脱离行为进行实验测定，结合模型求解，获得了气泡生长速率、气泡脱离直径、气泡与加热壁面的接触角等参数随操作条件的变化；由模型计算所得的气泡脱离直径与实测值较为符合。
The continuity equation,motion equation and mass diffusion conservation equation of bubble growth were deduced from island model.
利用海岛模型导出金属流体中气泡长大的连续性方程、运动方程和扩散质量守恒方程,与气泡表面的质量守恒、西华特定律和理想气体状态方程构成气泡长大动力学方程组,在确定粘度、扩散系数和表面张力以及忽略部分惯性力的基础上,对动力学方程组进行了求解,得到金属流体中气泡长大动力学方程,可用于描述泡沫铝气泡长大过程中时间、温度、第二相质量分数及压强各参数对气泡半径变化的影响,是金属流体中气泡演变过程动力学的首次理论描述。
The principle of bubble free growth was studied in microcellular plastics extrusion processing for supercritical CO_2/PS,and the globe (model) was chosen as the physical model of the foaming system,and the Dewitt constitutive equation,the equated law and the ideal gas law etc were used to study and discuss the mathematical models of the bubble growth in t.
研究探讨了超临界CO2/PS微孔塑料挤出成型中气泡核自由长大的机理,选用球形模型为表征气泡长大的物理模型,利用Dewitt本构方程、守恒定律和理想气体状态方程,研究探讨了气泡核自由长大阶段的数学模型,并对数学模型进行了求解和实验验证。
The study of the bubble growth is significant to the molding and solidification of foamed plastics.
气泡长大过程的研究对泡沫塑料的成型与定型具有相当重要的意义。
Slug flow is an alternation in space and time of long bubbles and liquid slugs.
气液两相段塞流是液塞和长气泡在空间和时间上的交替,在流动过程中表现出发展特性。
Bubble growth in the preparation of mesophase-pitch-based carbon foams
中间相沥青基泡沫炭的气泡生长过程(英文)
The Study on the Characteristics of Air Bubble Growth and Departure at the Orifice of Capillary Tubes;
毛细管管口气泡生长及脱离特性研究
Study on Growth Characteristics of Cavitation Bubble in Throttling Grooves of Hydraulic Valve
液压阀节流槽内气穴气泡生长特性的研究
draw-bar bubble
引砖(产生的)气泡
Study on Transfer Characteristics of Slug Flow and Crystal Layer Growth in Bubbling Tubes;
气泡管内弹状流传递特性与晶层生长的研究
Gas bubbles coalesce to grow as they rise.
气泡在上升中聚集成长。
A silicone oil bubbler provides a positive gas pressure head inside the growth tube at all times.
硅酮油起泡器能始终在生长管内产生一正气压位差。
air aspirator foam maker
吸入空气式泡沫发生器
If the burst duration is too long, or the gas pressure too high, the bubbles tend to collect and rise in columns.
如果放泡时间太长或气压太高，气泡将聚在一起以气柱状上升。
Numerical simulation of predict bubble generation diameter of aluminum foam
泡沫铝制备过程气泡生成尺寸的数值模拟研究
Study on Microcellular Foam and Cellular Morphologic Control;
聚合物发泡的泡孔生长及连通理论的研究
Analysis on growth dynamics and difference in fruit traits of different Species of Pawpaw
泡泡树不同品种果实性状差异及生长动态分析
Effect of Ring Incision and Trimming the Branches on Pawpaw's Branches Growth and the Flowering
拉枝与环割对泡泡树枝梢生长与成花的影响
The Study of Expression of Vascular Endothelial Growth Factor and Endostatin in Serum and in Bronchoalveolar Lavage Fluid in Patients with Lung Cancer;
血管内皮生长因子、内皮抑素在肺癌患者外周血清及支气管肺泡灌洗液中的表达研究
IGF-1 express and BAL inhibitive effect on lung fibrosis of experimental silicosis
实验性矽肺胰岛素样生长因子-1表达及支气管肺泡灌洗术对肺纤维化的抑制作用
air bubble viscosimeter
气泡粘度计气泡粘度计
The liquid or gas exerting the pressure.
泡沫产生压力的液体或气体
the act of charging a liquid with a gas making it effervescent.
用气使液体发生变化（使其冒泡）。