{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,7,16]],"date-time":"2024-07-16T06:37:07Z","timestamp":1721111827187},"reference-count":18,"publisher":"MDPI AG","issue":"8","license":[{"start":{"date-parts":[[2018,8,15]],"date-time":"2018-08-15T00:00:00Z","timestamp":1534291200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Instrumentation Program of China","award":["2013YQ040911"]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"A micro-floating element wall shear stress sensor with backside connections has been developed for accurate measurements of wall shear stress under the turbulent boundary layer. The micro-sensor was designed and fabricated on a 10.16 cm SOI (Silicon on Insulator) wafer by MEMS (Micro-Electro-Mechanical System) processing technology. Then, it was calibrated by a wind tunnel setup over a range of 0 Pa to 65 Pa. The measurements of wall shear stress on a smooth plate were carried out in a 0.6 m \u00d7 0.6 m transonic wind tunnel. Flow speed ranges from 0.4 Ma to 0.8 Ma, with a corresponding Reynold number of 1.05 \u00d7 106~1.55 \u00d7 106 at the micro-sensor location. Wall shear stress measured by the micro-sensor has a range of about 34 Pa to 93 Pa, which is consistent with theoretical values. For comparisons, a Preston tube was also used to measure wall shear stress at the same time. The results show that wall shear stress obtained by three methods (the micro-sensor, a Preston tube, and theoretical results) are well agreed with each other.<\/jats:p>","DOI":"10.3390\/s18082682","type":"journal-article","created":{"date-parts":[[2018,8,15]],"date-time":"2018-08-15T14:40:07Z","timestamp":1534344007000},"page":"2682","source":"Crossref","is-referenced-by-count":8,"title":["Accurate Measurements of Wall Shear Stress on a Plate with Elliptic Leading Edge"],"prefix":"10.3390","volume":"18","author":[{"ORCID":"http:\/\/orcid.org\/0000-0001-6227-702X","authenticated-orcid":false,"given":"Guang-Hui","family":"Ding","sequence":"first","affiliation":[{"name":"Key Laboratory of Micro\/Nano Systems for Aerospace, Ministry of Education, Northwestern Polytechnical University, Xi\u2019an 710072, China"}]},{"given":"Bing-He","family":"Ma","sequence":"additional","affiliation":[{"name":"Key Laboratory of Micro\/Nano Systems for Aerospace, Ministry of Education, Northwestern Polytechnical University, Xi\u2019an 710072, China"}]},{"given":"Jin-Jun","family":"Deng","sequence":"additional","affiliation":[{"name":"Key Laboratory of Micro\/Nano Systems for Aerospace, Ministry of Education, Northwestern Polytechnical University, Xi\u2019an 710072, China"}]},{"given":"Wei-Zheng","family":"Yuan","sequence":"additional","affiliation":[{"name":"Key Laboratory of Micro\/Nano Systems for Aerospace, Ministry of Education, Northwestern Polytechnical University, Xi\u2019an 710072, China"}]},{"given":"Kang","family":"Liu","sequence":"additional","affiliation":[{"name":"Key Laboratory of Micro\/Nano Systems for Aerospace, Ministry of Education, Northwestern Polytechnical University, Xi\u2019an 710072, China"}]}],"member":"1968","published-online":{"date-parts":[[2018,8,15]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"515","DOI":"10.1016\/S0376-0421(02)00031-3","article-title":"Modern developments in shear-stress measurement","volume":"38","author":"Naughton","year":"2002","journal-title":"Prog. 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