无线自动供电的基于三电传感器,用于实时量化监测气液混合流量
Yang Dong1,2, Nannan Wang3, Zhichen Cao1
1School of Mechanical Science and Engineering, Huazhong University of Science and Technology, Wuhan, P. R. China.
Small (Weinheim an der Bergstrasse, Germany)
|February 10, 2026
概括
研究人员开发了一种无线,自动供电的液体流量传感器,用于气液系统. 该系统使用 triboelectric 纳米发电机来准确地实时测量液体流量,从而提高安全性和性能.
科学领域:
- 多相流系统工程多相流系统工程.
- 三电纳米发电机三电纳米发电机
- 无线传感器网络是无线传感器网络.
背景情况:
- 在气液双相系统中实时定量监测液体流量是具有挑战性的.
- 现有的方法通常需要相位分离或外部电源.
- 需要用于多相流的自动供电,非侵入式传感技术.
研究的目的:
- 开发一种无线,自动供电,实时定量液体流量测量系统,用于气液混合流.
- 为了利用基于 triboelectric 效应的气液电力发电机 (GLEG) 来获取能量.
- 为了证明一个完全自给自足的传感系统在现场参数分析.
主要方法:
- 设计了一种具有双电极配置 (外部环和内部多孔电极) 的GLEG,用于从流中收集能量.
- 集成GLEG与传感器电路,功率调节,微控制器和无线传输组件.
- 在连续流量条件下测试系统 (0.6 MPa气压,30 m/s流速).
主要成果:
- 该GLEG成功地从气液流中收集机械能量,并将其转化为电能.
- 综合系统实现了液体流速的实时定量测量,从0-90毫升/分钟.
- 该系统在测试条件下测量液体流量时显示出高精度 (95%).
结论:
- 基于 triboelectric纳米发电机的无线,自动供电的传感平台成功地证明了气液混合流.
- 开发的系统可以实时进行定量液体流量监测,而无需相位分离.
- 这项技术为多相流系统的现场参数分析提供了有前途的解决方案.
相关概念视频
01:19Mixing Time
486
The concept of mixing time is significant in producing a uniform concrete mix with the required strength. The mixing period starts once all components are in the mixer. Initially, the mixer is charged with 10% of the water, followed by the consistent addition of solids and then 80% of the water. The remaining water is added later, within the first quarter of the mixing period. The minimum mixing time varies according to the mixer's capacity; for example, mixers with up to 1 cubic yard...
486
01:26The Power Flow Problem and Solution
881
Power flow problem analysis is fundamental for determining real and reactive power flows in network components, such as transmission lines, transformers, and loads. The power system's single-line diagram provides data on the bus, transmission line, and transformer. Each bus k in the system is characterized by four key variables: voltage magnitude Vk, phase angle δk, real power Pk, and reactive power Qk. Two of these four variables are inputs, while the power flow program computes...
881
01:30Control of Power Flow
701
There are several methods to control power flow in power systems:
701
01:23Maximum Power Flow and Line Loadability
623
The maximum power flow for lossy transmission lines is derived using ABCD parameters in phasor form. These parameters create a matrix relationship between the sending-end and receiving-end voltages and currents, allowing the determination of the receiving-end current. This relationship facilitates calculating the complex power delivered to the receiving end, from which real and reactive power components are derived.
623
02:57Real Time RT-PCR
65.3K
Real-time reverse transcription-polymerase chain reaction, or Real-time RT-PCR, is an analytical tool used to determine the expression level of target genes. The method involves converting mRNA to complementary DNA with the help of an enzyme known as reverse transcriptase, followed by the PCR amplification of the cDNA. These two processes can be performed simultaneously in a single tube or separately as a two-step reaction.
The real-time quantification of the number of amplified products is...
The real-time quantification of the number of amplified products is...
65.3K
01:20Gas Exchange and Transport
77.1K
Gas exchange, the intake of molecular oxygen (O2) from the environment and the outflow of carbon dioxide (CO2) into the environment, is necessary for cellular function. Gas exchange during respiration occurs largely via the movement of gas molecules along pressure gradients. Gas travels from areas of higher partial pressure to areas of lower partial pressure. In mammals, gas exchange occurs in the alveoli of the lungs, which are adjacent to capillaries and share a membrane with them.
77.1K