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相关概念视频

Pipe Flowrate Measurement01:28

Pipe Flowrate Measurement

699
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,...
699

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相关实验视频

Updated: Jul 5, 2025

Synthesis and Operation of Fluorescent-core Microcavities for Refractometric Sensing
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紧型微科里奥利斯质量流量计具有光学读取输出.

Mahdieh Yariesbouei1, Remco G P Sanders1, Remco J Wiegerink1

  • 1Integrated Devices and Systems, University of Twente, 7522 NB Enschede, The Netherlands.

Micromachines
|January 23, 2024
PubMed
概括
此摘要是机器生成的。

这项研究引入了一种新的化微型科里奥利斯质流传感器,具有光学读数. 它展示了精确的流体测量,为先进的流量传感应用铺平了道路.

关键词:
紧的微型科里奥利斯质流量计.尼克尔电管的管道的光学读取输出.

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相关实验视频

Last Updated: Jul 5, 2025

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科学领域:

  • 微电机系统 (MEMS) 是指微电机系统.
  • 传感器技术 传感器技术
  • 流体动力学 流体动力学

背景情况:

  • 传统的质流传感器在小型化和集成读数方面存在局限性.
  • 开发微尺度传感器对于各种应用中先进的流体监测至关重要.

研究的目的:

  • 介绍了第一台化微型科里奥利斯质流传感器,带有集成光学读出.
  • 用不同的流体来描述传感器的性能.

主要方法:

  • 制造一个U形,化微管传感器 (60毫米长,580微米内径).
  • 通过洛伦兹力和通过光学读取 (LED和光电晶体管) 进行运动检测.
  • 在室温下测量水和异醇的质量流量.

主要成果:

  • 传感器对两种流体的扭转和摆动模式呈现出不同的共振频率.
  • 测量到的水的共振频率: 1.67 kHz (扭曲), 738 Hz (摇摆).
  • 对异醇的测量共振频率为1.70kHz (扭曲),752Hz (摇摆).
  • 阶段转移对质量流的线性反应具有高灵敏度 (0.41mdeg/g/h对于水,0.43mdeg/g/h对于异醇).

结论:

  • 化微型科里奥利斯质流传感器与光学读取成功演示.
  • 传感器显示了准确和敏感的流体质量流量测量的潜力.
  • 这项技术为微尺度流体监测提供了一个有前途的解决方案.