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相关概念视频

Equivalent Capacitance01:19

Equivalent Capacitance

2.1K
Multiple capacitors can be connected in a circuit in series or parallel configuration. When the capacitor combination is connected to a battery, the potential drop across each capacitor and the magnitude of charge stored in the individual capacitor depends on the type of the connection. The capacitor combination is replaced by a single equivalent capacitor that stores the same amount of charge as the combination for a given potential difference.
The following strategies are adopted to calculate...
2.1K
Equivalent Capacitance01:19

Equivalent Capacitance

643
From the study of resistive circuits, it is understood that employing a series-parallel combination serves as an effective strategy for simplifying circuits. Capacitors can be arranged within a circuit in one of two ways: a series configuration or a parallel configuration. The way these capacitors are connected to a battery will influence both the potential drop across each individual capacitor and the size of the charge that each capacitor can store. This is determined by the specific type of...
643
Capacitance: Single-Phase And Three-Phase Line01:25

Capacitance: Single-Phase And Three-Phase Line

557
In electrical power systems, understanding the capacitance of transmission lines is fundamental for efficient operation.
Single-Phase Lines
Consider a single-phase, two-wire transmission line with equal phase spacing energized by a voltage source. One conductor carries a uniform positive charge, while the other carries an equal negative charge. The capacitance C of the line can be derived from the voltage V between the conductors. For a one-meter section of the line, the capacitance is given...
557
Design Example: Capacitance Multiplier Circuit01:20

Design Example: Capacitance Multiplier Circuit

1.4K
In integrated circuit technology, a capacitance multiplier is often utilized to produce a larger capacitance value when a small physical capacitance falls short. This is achieved by a circuit that multiplies capacitance values by a factor of up to 1000, such that a 10-pF capacitor can replicate the performance of a 100-nF capacitor.
The circuit illustrated in Figure 1 below incorporates two op-amps, with the first operating as a voltage follower and the second acting as an inverting amplifier.
1.4K
Pipe Flowrate Measurement01:28

Pipe Flowrate Measurement

1.1K
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,...
1.1K
Pipe Flowrate Measurement: Problem Solving01:28

Pipe Flowrate Measurement: Problem Solving

789
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 achieved...
789

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相关实验视频

Updated: Jan 10, 2026

Author Spotlight: Microfluidic Channel-Based Soft Electrodes and Their Application in Capacitive Pressure Sensing
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Author Spotlight: Microfluidic Channel-Based Soft Electrodes and Their Application in Capacitive Pressure Sensing

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优化电容传感器配置,增强灵敏度,用于环状双相流量测量.

Aryan Veisi1, Mohsen Hayati2

  • 1Electrical Engineering Department, Faculty of Engineering, Razi University, Kermanshah, Iran.

Scientific reports
|November 29, 2025
PubMed
概括

一个新的电容传感器设计在双相流系统中提供了高度灵敏的空隙分数测量. 这种增强的传感器几何结构可以提高工业应用的准确性.

科学领域:

  • 工程 工程师 工程师 工程师
  • 物理 物理学 物理
  • 流体动力学 流体动力学

背景情况:

  • 基于容量的传感器对于监控双相流量系统至关重要.
  • 准确的空隙分数测量对于工业过程控制至关重要.

研究的目的:

  • 为电容传感器引入一种新的几何配置来测量空隙分数.
  • 为了提高传感器的灵敏度和准确性,在环状两相流中.

主要方法:

  • 开发了一种新的扭曲对齐形状电极几何学.
  • 通过系统分析优化传感器叶片设计.
  • 使用水空气两相流体实验设置验证传感器性能.

主要成果:

  • 获得了2.482 pF的显著增强的灵敏度.
  • 在空虚分数测量中证明了提高准确性和可靠性.
  • 实验数据证实相对误差很低,验证了传感器的性能.

结论:

  • 新型传感器几何结构为空隙分数测量提供了卓越的灵敏度和精度.
  • 这种进步对于发电和化学制造等工业应用特别有利.

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Sensitivity Enhancement of Soft Capacitive Pressure Sensors Using a Solvent Evaporation-Based Porosity Control Technique
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Sensitivity Enhancement of Soft Capacitive Pressure Sensors Using a Solvent Evaporation-Based Porosity Control Technique

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High-precision Electromagnetic Flowmeter with Empty Pipe Detection via Complex Programmable Logic Device-based Waveform Recognition
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相关实验视频

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Author Spotlight: Microfluidic Channel-Based Soft Electrodes and Their Application in Capacitive Pressure Sensing
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Author Spotlight: Microfluidic Channel-Based Soft Electrodes and Their Application in Capacitive Pressure Sensing

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Sensitivity Enhancement of Soft Capacitive Pressure Sensors Using a Solvent Evaporation-Based Porosity Control Technique
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Sensitivity Enhancement of Soft Capacitive Pressure Sensors Using a Solvent Evaporation-Based Porosity Control Technique

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High-precision Electromagnetic Flowmeter with Empty Pipe Detection via Complex Programmable Logic Device-based Waveform Recognition
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  • 该研究为未来的传感器技术开发提供了基础,用于双相流量监测.