{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,18]],"date-time":"2025-12-18T14:20:35Z","timestamp":1766067635789,"version":"build-2065373602"},"reference-count":27,"publisher":"MDPI AG","issue":"23","license":[{"start":{"date-parts":[[2022,11,26]],"date-time":"2022-11-26T00:00:00Z","timestamp":1669420800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Foundation of the National Science Foundation of China","award":["61733012","62203322","2022M712372","2022JBGS03001"],"award-info":[{"award-number":["61733012","62203322","2022M712372","2022JBGS03001"]}]},{"name":"China Postdoctoral Science Foundation","award":["61733012","62203322","2022M712372","2022JBGS03001"],"award-info":[{"award-number":["61733012","62203322","2022M712372","2022JBGS03001"]}]},{"name":"Enlisting and Leading Program of the Taihu Laboratory of Deepsea Technological Science","award":["61733012","62203322","2022M712372","2022JBGS03001"],"award-info":[{"award-number":["61733012","62203322","2022M712372","2022JBGS03001"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>In this paper, the influence of the contact resistance between the conductive fluid and the metal electrode on the output characteristics of the magnetic fluid micro-angular vibration sensor (MHD sensor) is theoretically analyzed. The contact resistance models based on the solid-solid electric contact theory are established based on the resistivity, temperature, pressure and angular vibration of the materials between the conductive fluid and the metal electrode. The contact resistance was tested by setting up an experimental platform and making conductive fluid rings with electrode materials of Ag, Cu and Ti. The results show that the static contact resistance between the conductive fluid and the metal electrode is positively correlated with the material resistivity and temperature, and negatively correlated with the surface roughness and contact pressure of the metal electrode. The dynamic contact resistance fluctuation is proportional to the amplitude of the input voltage of the angle shaker and inversely proportional to the square of the input frequency. At the same time, reducing contact resistance can improve the MHD sensor\u2019s performance.<\/jats:p>","DOI":"10.3390\/s22239204","type":"journal-article","created":{"date-parts":[[2022,11,28]],"date-time":"2022-11-28T08:13:09Z","timestamp":1669623189000},"page":"9204","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Study on the Performance of Liquid-Solid Contact Resistance Based on Magnetohydrodynamic Micro-Angular Vibration Sensor"],"prefix":"10.3390","volume":"22","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-4996-9555","authenticated-orcid":false,"given":"Ganmin","family":"Xia","sequence":"first","affiliation":[{"name":"State Key Laboratory of Precision Measuring Technology and Instruments, Tianjin University, Tianjin 300072, China"}]},{"given":"Weixiao","family":"Tuo","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Precision Measuring Technology and Instruments, Tianjin University, Tianjin 300072, China"},{"name":"Taihu Laboratory of Deepsea Technological Science, Wuxi 214000, China"}]},{"given":"Xingfei","family":"Li","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Precision Measuring Technology and Instruments, Tianjin University, Tianjin 300072, China"},{"name":"Taihu Laboratory of Deepsea Technological Science, Wuxi 214000, China"}]},{"given":"Xinyu","family":"Liu","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Precision Measuring Technology and Instruments, Tianjin University, Tianjin 300072, China"}]}],"member":"1968","published-online":{"date-parts":[[2022,11,26]]},"reference":[{"key":"ref_1","first-page":"170","article-title":"Effects of Base Motion on Space-Based Precision Laser Tracking in the Relay Mirror Experiment","volume":"1482","author":"Anspach","year":"1991","journal-title":"Int. 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