Engineering and Technology

High-resolution flexible iontronic skins for both negative and positive pressure measurement in room temperature wind tunnel applications

J. Wang, X. Wei, et al.

Discover the groundbreaking research by Jingxiao Wang, Xueyong Wei, Junli Shi, Ningning Bai, Xiao Wan, Bing Li, Yingchun Chen, Zhuangde Jiang, and Chuan Fei Guo, presenting a flexible skin equipped with two highly sensitive iontronic pressure sensors capable of measuring both negative and positive wind pressure with exceptional precision. This innovative technology has been successfully tested on a NACA-0012 wing in a wind tunnel, showcasing its potential for transformative aviation applications.

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Abstract

This paper presents a flexible skin with two iontronic pressure sensors for measuring both negative and positive wind pressure with ultrahigh resolution in room temperature wind tunnels. One sensor, using a pre-pressure to enable negative pressure sensing, achieves a resolution of -20 Pa (0.025%) from -100 kPa to -10 Pa. The other sensor, for positive pressure, achieves 100 Pa (0.025%) resolution over 600 kPa and a 400 Hz bandwidth. The skin was successfully tested on a NACA-0012 wing in a wind tunnel, demonstrating its potential for aviation applications.

Publisher

Nature Communications

Published On

Aug 17, 2024

Authors

Jingxiao Wang, Xueyong Wei, Junli Shi, Ningning Bai, Xiao Wan, Bing Li, Yingchun Chen, Zhuangde Jiang, Chuan Fei Guo

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