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相关概念视频

Multiple Pipe Systems01:21

Multiple Pipe Systems

782
Multipipe systems consist of complex configurations of interconnected pipes designed to transport fluids efficiently across intricate networks. They are essential in engineering applications requiring precise control over flow distribution, pressure, and head loss. They are categorized into series, parallel, loop, and network configurations, each distinguished by unique flow characteristics and applications.
Series Configuration
In a series configuration, fluid flows sequentially from one pipe...
782
Single Pipe Systems01:24

Single Pipe Systems

164
In pipe flow analysis, problems are typically categorized into three types — Type I, Type II, and Type III — based on the known parameters and the desired outcome. Each type of problem addresses specific engineering requirements using fluid properties, pipe characteristics, and operational conditions.
In a Type I problem, fluid properties (density and viscosity), pipe characteristics (including diameter, length, and surface roughness), and the flow rate or average velocity are...
164
Application of Pascal's Law01:03

Application of Pascal's Law

8.5K
Pascal's experimentally proven observations—that a change in pressure applied to an enclosed fluid is transmitted undiminished throughout the fluid and to the walls of its container—provide the foundations for hydraulics, one of the most important developments in modern mechanical technology.
Hydraulic systems are used to operate automotive brakes, hydraulic jacks, and numerous other mechanical systems. We can derive a relationship between the forces in a simple hydraulic system...
8.5K
Bernoulli's Principle: Applications01:17

Bernoulli's Principle: Applications

3.9K
There are many devices and situations in which fluid flows at a constant height and so can be analyzed using Bernoulli's principle. These devices include, but are not limited to, entrainment devices and fluid flow measuring devices.
Entrainment devices use a high fluid speed to create low pressures and, thus, entrain one fluid into another. Some examples of these devices are given below:
3.9K
Design Example: Forces in Sluice Gate01:11

Design Example: Forces in Sluice Gate

750
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...
750
Bernoulli's Equation: Problem Solving01:16

Bernoulli's Equation: Problem Solving

1.4K
A Venturi meter is essential for measuring fluid flow rates in pipelines. It utilizes the relationship between fluid velocity and pressure described by Bernoulli's equation. When installed in a sewage system, the Venturi meter accurately determines the wastewater flow rate by measuring pressure differences.
The first step is to compute the cross-sectional areas of the pipe and the Venturi throat to analyze the pressure difference indicated by the pressure gauge. Next, the continuity...
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相关实验视频

Updated: Jul 15, 2025

High Speed Droplet-based Delivery System for Passive Pumping in Microfluidic Devices
10:22

High Speed Droplet-based Delivery System for Passive Pumping in Microfluidic Devices

Published on: September 2, 2009

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一个带有简单门系统的双进口.

Le Wang1,2, Junming Liu3, Xin Wang3

  • 1School of Intelligent Manufacturing and Elevator Mechanics, Huzhou Vocational & Technical College, Huzhou 313099, China.

Micromachines
|September 28, 2023
PubMed
概括

这项研究引入了一种新的双进口压电,以提高流量性能. 优化的设计实现了33.18毫升/分钟的最大流量,为微流体应用提供了潜力.

关键词:
悬臂门 悬臂门是什么意思微流体中的微流体.输出流表现 输出流表现压电是一个压电.度优化 度优化

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Protocol for Relative Hydrodynamic Assessment of Tri-leaflet Polymer Valves
11:12

Protocol for Relative Hydrodynamic Assessment of Tri-leaflet Polymer Valves

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相关实验视频

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科学领域:

  • * 机械工程 机械工程
  • * 微流体学 在
  • * 材料科学 材料科学

背景情况:

  • *带有悬臂的压电往往表现出缺陷的输出流量性能.
  • * 现有的设计需要改进,以实现高效的微流体应用.

研究的目的:

  • * 提出和分析一款具有简化门系统的新型双进口压电.
  • *通过门硬度和室内高度调整来优化的性能.

主要方法:

  • * 压电驱动器的有限元分析 (干燥和湿模式).
  • * 机械振动测试以确定工作频率.
  • * 试验优化门刚度和室高度.

主要成果:

  • * 对的工作原理和输出流量进行理论分析.
  • * 在180Vpp和100Hz时达到33.18mL/分钟的最大流量.
  • * 通过代设计优化证明了性能改进.

结论:

  • * 拟议的双进口压电设计有效地改善了流量缺陷.
  • *优化的显示了微流体系统的巨大潜力.
  • * 这项工作为开发小型智能提供了新的见解.