数字研究的颗粒流在一个裂漏斗的新型结构,以避免颗粒堵塞
Yi Peng1,2, Sheng Zhang3,4, Jiangfeng Wan5
1Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, China.
PloS one
|June 2, 2023
概括
一种新的隙阻隔道设计可以防止粒子堵塞,确保稳定的颗粒流速. 这一创新对于处理散装固体的行业至关重要,提高了效率和可靠性.
科学领域:
- 工程 工程师 工程师 工程师
- 物理 物理学 物理
- 材料科学 材料科学 材料科学
背景情况:
- 裂漏斗中的颗粒堵塞是一个持续的问题,导致不稳定的放电率.
- 现有的漏斗设计往往无法防止堵塞,尤其是颗粒状材料.
研究的目的:
- 为了引入和研究一个新的切口波结构.
- 分析漏斗几何对粒子流和堵塞的影响.
主要方法:
- 使用离散元件方法 (DEM) 进行系统调查.
- 对漏斗半角 (θ),出口宽度 (W) 和阻隔高度 (H) 的参数研究.
主要成果:
- 裂遮漏斗可以有效地防止粒子堵塞.
- 即使出口宽度小,也可以实现连续和稳定的流量.
- 观测到最优的流速时,阻隔高度 (H) 大于粒子直径 (d) 的3倍,漏斗半角较小.
结论:
- 裂纹波形道为稳定的颗粒物物质排放提供了强大的解决方案.
- 这种设计在采矿,农业,食品和制药行业具有广泛的适用性,以减轻堵塞问题.
更多相关视频
11:03An Analog Macroscopic Technique for Studying Molecular Hydrodynamic Processes in Dense Gases and Liquids
Published on: December 4, 2017
8.6K
11:51Visually Based Characterization of the Incipient Particle Motion in Regular Substrates: From Laminar to Turbulent Conditions
Published on: February 22, 2018
8.8K
相关概念视频
01:17Steady, Laminar Flow Between Parallel Plates
248
Understanding steady, laminar flow between parallel plates is essential for analyzing and designing flow in narrow rectangular channels, commonly found in various water conveyance and drainage systems. The Navier-Stokes equations govern fluid motion and are generally challenging to solve due to their nonlinearity. However, simplifications are possible in certain cases, like the steady laminar flow between parallel plates. For this scenario, we assume steady, incompressible, laminar flow.
248
01:23Steady, Laminar Flow in Circular Tubes
264
Hagen-Poiseuille flow describes a viscous fluid's steady, incompressible flow through a cylindrical tube with a constant radius R. This flow profile is often applied to understand fluid transport in narrow channels, such as capillaries. It serves as a foundational example of laminar flow. In this model, cylindrical coordinates (r,θ,z) are used to describe the radial (r), angular (θ), and axial (z) dimensions within the tube. For Hagen-Poiseuille flow, the velocity profile is...
264
01:11Design Example: Forces in Sluice Gate
899
In hydraulic engineering, sluice gates are essential for managing water flow through channels, reservoirs, and irrigation systems. Sluice gates, acting as vertical barriers, regulate water by adjusting the gate's opening height, which changes the velocity and pressure of water flowing beneath the gate. Understanding the forces involved is crucial to designing sluice gates that can withstand dynamic pressure differences, especially when the gate is closed or partially open.
Key variables in...
Key variables in...
899