What is it about?
The air pressure sensors used for aerodynamic testing of high-speed trains are currently based on microelectro mechanical systems (MEMS), but which are sometimes restricted in actual. Herein, a flexible ultrathin air pressure sensor for aerodynamic testing of high-speed trains is reported, this sensor is based on a sensing material of carbon fiber beams and a sealed microchamber structure.
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Why is it important?
Air pressure sensors play a crucial role in aerodynamic tests on high-speed trains, especially when the aerodynamic problems become more significant when the speed of high-speed trains increases. The air pressure sensors used for aerodynamic testing of high-speed trains are currently based on microelectromechanical systems (MEMS), which are thick, difficult to adjust linear range, and easily damaged by overloading force and water, thus cannot satisfy all-weather train aerodynamic monitoring. Therefore, we have developed a waterproof, anti-impacted, and ultrathin air pressure sensor for aerodynamic tests on the high-speed trains. Furthermore, this sensor presents great promise toward the aerodynamic tests on highspeed trains by the successful application in real-time train surface pressure monitoring.
Perspectives
Writing this article was a great pleasure as I can share the scientific research findings of our team with the vast number of scholars, and learn from and communicate with each other.
FM H
Wuyi University
Read the Original
This page is a summary of: Waterproof, Anti‐Impacted, and Ultrathin Carbon‐Based Air Pressure Sensors Toward Aerodynamic Tests on High‐Speed Trains, Advanced Engineering Materials, May 2022, Wiley,
DOI: 10.1002/adem.202101781.
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