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Correction: Kang et al. Fluid Flow to Electricity: Capturing Flow-Induced Vibrations with Micro-Electromechanical-System-Based Piezoelectric Energy Harvester. <i>Micromachines</i> 2024, <i>15</i>, 581.

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Synthesis and Microdiffraction at Extreme Pressures and Temperatures
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Microwave Wire Interrogation Method Mapping Pressure under High Temperatures.

Xiaoyong Chen1,2,3, Dan Yan4, Yingping Hong5

  • 1Key Laboratory of Instrumentation Science & Dynamic Measurement, Ministry of Education, North University of China, Taiyuan 030051, China. chenxiaoyong@nuc.edu.cn.

Micromachines
|November 6, 2018
PubMed
Summary
This summary is machine-generated.

This study presents a novel wired pressure sensor for high-temperature environments, overcoming limitations of wireless methods. The sensor operates reliably up to 400°C, offering a robust solution for in-situ pressure monitoring.

Keywords:
high-temperature environmentmicrowavepressure sensorwire interrogation

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Area of Science:

  • Materials Science
  • Sensor Technology
  • High-Temperature Applications

Background:

  • Wireless sensing is preferred for high-temperature pressure mapping due to electrical limitations of wired systems.
  • Existing wireless methods face challenges like environmental noise, signal security, and low efficiency.

Discussion:

  • This work demonstrates a proof-of-concept in-situ pressure sensor utilizing a microwave resonator and transmission line as a monolith.
  • The design avoids heterogeneous jointing failures and relies on microwave signal transmission, independent of electrical conduction.
  • This approach mitigates issues associated with electrical conduction deterioration under high heat loads.

Key Insights:

  • The developed sensor enables reliable in-situ pressure monitoring at temperatures up to 400°C.
  • It overcomes the limitations of wireless interrogation, including interference and signal security concerns.
  • The monolithic design ensures durability and consistent performance in harsh thermal conditions.

Outlook:

  • Further research can explore integration into various industrial high-temperature processes.
  • Optimization of the microwave resonator and transmission line could enhance sensitivity and bandwidth.
  • This technology offers a promising alternative for critical pressure sensing in extreme environments.