sand flow

Effect of Thermal Diffusion and Electrostatic Force on the Evolution of Wind-Blown Sand Flow

热扩散和电场对风沙流发展过程的影响

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Barchan dunes is a fundamental pattern of aeolian landform. Generally speaking, it is moulded by non saturated wind sand flow which is the high concentration.

新月形沙丘是风沙地貌基本形态之一，一般为高浓度非饱和风沙流所塑造。

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all these seem uninhibited absurdity of life is always light pen color, slowly and over time slowly grinding sand flow swab.

似乎这些都是荒诞不羁的，生活的笔彩总是轻描淡写，慢慢地又随着时间的沙流慢慢地磨拭。

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Now, There are three kinds of means in the application of sand exclusion by spiral flow, the vortex tube sand exclusion, the sand funnel and the spiral flow in the horizontal pipe.

目前螺旋流在水利上用来进行排沙减淤，主要有以下三种方式：涡管排沙，漏斗排沙和平轴螺旋管流排沙。

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Particle size and concentration profiles in water-sand two phase flow through a separator model were measured by Malvern Particle Sizer and observation window technique. Numerical simulation of water-sand two-phase flow through a curved square duct was also performed.

本文利用Malvern粒度仪和观察窗技术测量了分离器模型中水-砂两相流动的颗粒浓度和粒度分布，并且对具有相似结构和流动参数的平面组合方管液固两相流动进行了数值模拟。

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Can sand flow upward in the hour glass?

时间的沙漏能倒流吗？

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The structure of the filter is optimized at last. The process includes the waste purification from oil emulsion in Tilted-Plate Separator and the suspension separation in the downward-flow sand-gravel filter.

处理方法包括使用倾斜盘式分离器分离油乳化剂，使用下流式砂砾过滤器分离悬浮颗粒物。

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The underwater split-flow channel sand body and river mouth bar sand body have been found by using this identifying approach, which provided concrete objects for deployment of lithologic exploration in this region.

利用这种识别方法在该区找到水下分流河道砂体和河口坝砂体，为该区的岩性勘探部署提供了具体目标。

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Quantitative study on sand flow by wind in Takla Makan desert

塔克拉玛干沙漠风沙流定量研究

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The thesis focus on the response time of sand transport rate to wind speed fluctuations of near-surface saltation sand flow and the dust transport law of high-altitude in the role of the gust.

本学位论文针对跃移风沙流输沙率对变化风场的响应时间以及沙尘在阵风作用下向高空的输运规律展开数值模拟研究。

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A method that is used to monitor water flow in the bottom of drain sand pipe is designed.

设计了一种通过监测排砂管线底部水流量来估算地层出水量的方法。

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Finally, the stream flow field and sand flow field models are discretized, and nucleation, growth and moving process of sand ripple are simulated well with comparing experimental results.

最后，对气流场和沙流场模型进行离散化处理并很好地模拟了气流场和沙流场作用下的沙纹生成、增长、移动过程并其数值模拟结果与现场试验结果进行了对比分析。

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And By using dispersed phase model in Fluent, floating track and flow velocity of green sand is analyzed.

并应用Fluent软件提供的离散相模型，对砂粒的流动轨迹、流动速度进行了分析。

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Can tomorrow's sand flow through the glass before today's?

想着明天的种种,今天的时光也白白流逝了.

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After giving the relationship of equilibrium sand-bed height and average flow velocity, a new probability model for predicting the equilibrium height of sand-bed was built up.

根据平衡砂床高度与摩阻流速和平均流速的关系，建立了计算水平固液两相管流平衡砂床高度的概率模型。

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Hourglass in the sand flow out so fast, You are still in the game of life.

沙漏中的沙流得如此之快，你却还在游戏人生。

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in order to obtain the sand sample of good uniformity and high repeatability, a set of automatic sanding equipment is developed. a series of tests are conducted to study the relative density on the influence of sand flow rate and drop height with fujian standard sand.

为获得均匀性好、可重复性高的砂样，本文在以往研究成果的基础上，自主开发研制了一套自动撒砂设备，并针对福建标准砂进行了多组装样对比试验。

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quantitative analysis of bottom sand flow failed to measure in the test of water and sand at headwork of yellow river diversion

引黄渠首工程水沙测验中漏测底沙的定量分析

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Development of Diversion Valve for Sand Laden Flow in Tidal Hydraulic Model With Movable Bed

浑水紊动强度的探讨潮汐动床模型试验中浑水分流阀的研制

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Conduct the cutting as soon as possible using the most ideal pressure and flow rate of sand.

使用使用最理想的压力和最理想的砂料流量尽快切割。

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