Discharge oscillation of particles from a vertical pipe with capillary outlet

HU Maobin; WU Qingsong; KONG Xiangzhao; WU Yonghong

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Discharge oscillation of particles from a vertical pipe with capillary outlet

机译：排出带有毛细管出口的垂直管道中的颗粒振荡

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摘要

A new style of discharge process from a vertical open-top pipe with capillary outlet is reported. The outflux fluctuates greatly with time and the bulk condensed granular flow in the pipe shows stop-and-go motion when the filling height is above a threshold. When the filling height falls towards the threshold, led by a transitional stage, the outflux and the bulk movement become much stable. The upper surface dropping velocity variation is measured. A heuristic theory is proposed to understand the stop-and-go motion and the transitional behavior.

机译：报道了一种从具有毛细管出口的垂直开口管中排放的新型方法。当填充高度超过阈值时，流出量随时间波动很大，并且管道中的大量冷凝颗粒流显示出走走停停的运动。当填充高度在过渡阶段的引导下下降至阈值时，流出量和整体运动变得非常稳定。测量上表面下落速度变化。提出了一种启发式理论来理解停走运动和过渡行为。

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来源
《Chinese science bulletin》 |2005年第11期|p.1076-1078|共3页
作者
HU Maobin; WU Qingsong; KONG Xiangzhao; WU Yonghong;
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作者单位

School of Engineering Science, University of Science and Technology of China, Hefei 230026, China;

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原文格式 PDF
正文语种 eng
中图分类自然科学现状及发展;
关键词
granular material; outflux oscillation; stop-and-go motion; interstitial air;

机译：颗粒状物质;出流振荡;走走停停;间隙空气;

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专利

1. Discharge oscillation of particles from a vertical pipe with capillary outlet [J] . HU Maobin, WU Qingsong, KONG Xiangzhao, Chinese science bulletin . 2005,第11期

机译：从带有毛细管出口的垂直管中排出颗粒的振荡
2. DEM study of granular discharge rate through a vertical pipe with a bend outlet in small absorber sphere system [J] . Li Tianjin, Zhang He, Liu Malin, Nuclear Engineering and Design . 2017,第APRa期

机译：小吸收球系统中带有弯曲出口的垂直管的颗粒排放速率的DEM研究
3. Effect of Velocity and Flow Direction at Approach Channel Outlet on the Discharge Coefficient of Vertical Pipe Intake [J] . S. M. A. Zomorodian, M. R. Bagheri Sabzevari Journal of Science and Technology of Agriculture and Natural Resources . 2006,第4期

机译：进水通道出口处的流速和流向对垂直管进水口排放系数的影响
4. THE INFLUENCE OF THE FLUID’S INLET AND OUTLET WAYS ON VERTICAL PHASE CHANGE THERMAL ENERGY STORAGE DEVICES’ CHARGE AND DISCHARGE PERFORMANCES [C] . C. Deng, C. Chen, Z. Y. Li, International symposium on heating, ventilating and air conditioning . 2011

机译：流体入口和出口方式对垂直相变热能存储装置的充电和放电性能的影响
5. Control of coal flow in pressurized vertical spindle mills with four outlet pipes. [D] . Koroglu, Can. 2009

机译：用四个出口管控制加压立式主轴磨机中的煤流量。
6. Analysis of the Vertical Driving Performance of Multiple Connected Pipe-Climbing Microrobots with Magnetic Wheels [O] . Munehisa Takeda, Isao Shimoyama 2019

机译：带磁轮的多管攀爬微型机器人的垂直驱动性能分析
7. Granular Matter Transport in Vertical Pipes: The Influence of Pipe Outlet Conditions on Gravity-driven Granular Flow [O] . Miha Jaklič, Klemen Kočevar, Stanko Srčič, 2016

机译：垂直管中的粒状输送：管道出口条件对重力驱动粒状流动的影响
8. AN INVESTIGATION OF THE DISCHARGE AND DRAG CHARACTERISTICS OF AUXILIARY-AIR OUTLETS DISCHARGING INTO A TRANSONIC STREAM [R] . Paul E. Dewey, Allen R. Vick 1955

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Discharge oscillation of particles from a vertical pipe with capillary outlet

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