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相关概念视频

Pipe Flowrate Measurement01:28

Pipe Flowrate Measurement

224
In pipe flow measurement, orifice, nozzle, and Venturi meters are commonly used to determine fluid flowrates by constricting the flow area, which increases fluid velocity and reduces pressure. This pressure difference, governed by Bernoulli's principle and adjusted for real-world conditions, is essential for calculating flowrate. Each meter type is suited to specific applications based on accuracy, efficiency, and compatibility with various flow conditions.
The orifice meter is a simple,...
224
Pipe Flowrate Measurement: Problem Solving01:28

Pipe Flowrate Measurement: Problem Solving

225
A spray tank system is engineered to uniformly distribute a pest-control liquid across plants by using a pressurized mechanism. The tank, pressurized to 150 kPa, holds the pesticide at a height of 0.80 meters. Liquid flows from the tank through a 1.9 meter pipe with a diameter of 0.015 meters, angled at 0.698 radians, ultimately reaching a 0.007 meter nozzle that sprays the pesticide. Accurate calculation of the system's flow rate is crucial to ensure uniform application, and this is...
225
Multiple Pipe Systems01:21

Multiple Pipe Systems

352
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...
352
Fluid Pressure01:14

Fluid Pressure

560
In mechanical engineering, fluid pressure plays a critical role in designing systems that utilize liquid flow, such as hydraulic systems, pumps, and valves. When designing these systems, engineers must ensure they can withstand the forces created by fluid pressure to avoid damage or failure.
According to Pascal's law, a fluid at rest will generate equal pressure in all directions. This pressure is measured as a force per unit area, and its magnitude depends on the fluid's specific...
560
Measurement of Fluid Pressure01:16

Measurement of Fluid Pressure

150
Fluid pressure is commonly measured using devices called manometers, which rely on liquid columns to indicate pressure differences. The height of a liquid column in a manometer reflects the pressure exerted by the fluid, providing a simple yet effective means of measurement. Different types of manometers serve specific purposes based on their configurations and the type of fluids involved.
A basic form of manometer is the piezometer, a vertical tube open at the top and filled with the same...
150
Ultrasonography01:17

Ultrasonography

4.3K
Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called...
4.3K

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相关实验视频

Updated: May 24, 2025

Visualization of Flow Field Around a Vibrating Pipeline Within an Equilibrium Scour Hole
00:09

Visualization of Flow Field Around a Vibrating Pipeline Within an Equilibrium Scour Hole

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在管道中使用超声波技术进行非侵入性流体水平传感.

Lalith Sai Srinivas Pillarisetti, Eric S Davis, Abhishek Saini

    IEEE transactions on ultrasonics, ferroelectrics, and frequency control
    |March 3, 2025
    PubMed
    概括

    新的超声波技术改善了管道中的流体水平传感,特别是对于低填充水平的管道. 这些方法克服了传统脉冲回声测量的局限性,为工业应用提供了准确,非侵入性的流体监测.

    科学领域:

    • 应用物理 应用物理
    • 非破坏性测试 不破坏性测试
    • 信号处理 信号处理

    背景情况:

    • 在废水处理和石化工厂等工业环境中,精确的液位监测是必不可少的.
    • 传统的脉冲回声超声波方法由于信号干扰和管道共振而与低流体水平作斗争.
    • 现有的信号处理技术为低填充级别检测提供了有限的改进.

    研究的目的:

    • 为了解决传统脉冲回声超声波在低填充水平的流体水平传感方面的局限性.
    • 引入和验证基于共振和分相阵列的新型超声波技术,以改进流体检测.
    • 开发无校准的方法,用于密封管道中的非侵入性液体水平测量.

    主要方法:

    • 使用管道共振衰减的时间域有限元模拟进行数值验证.
    • 使用传感器阵列在充满流体的管道上进行实验性共振测量.
    • 开发和数值验证基于形的分相阵列成像技术,使用全焦方法 (TFM).
    • 实现图像工件过策略用于TFM.

    主要成果:

    • 基于共振的超声波技术通过利用流体诱导的共振衰减来证明对低流体水平的准确性和灵敏性.
    • 总聚焦方法 (TFM) 具有优化的形选择和阵列定位,可提供低流体水平的增强可视化.

    更多相关视频

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    相关实验视频

    Last Updated: May 24, 2025

    Visualization of Flow Field Around a Vibrating Pipeline Within an Equilibrium Scour Hole
    00:09

    Visualization of Flow Field Around a Vibrating Pipeline Within an Equilibrium Scour Hole

    Published on: August 26, 2019

    5.5K
    Ultrasound Velocity Measurement in a Liquid Metal Electrode
    08:41

    Ultrasound Velocity Measurement in a Liquid Metal Electrode

    Published on: August 5, 2015

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    Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor
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    Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor

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  • 选择性过有效地减少了TFM中的图像工件,改善了流体级别的可视化.
  • 结论:

    • 基于共振的超声波方法为低流体水平检测提供了比传统脉冲回声技术显著的改进.
    • 基于TFM的阶段阵列成像技术为非侵入性流体水平传感提供了一个有前途的无校准方法.
    • 这些先进的超声波技术对于精确,非侵入性的流体监测具有重大工业意义.