{"title":"用压电传感器测定瞬态动压力","authors":"Hui-ming Wang, H. Ding","doi":"10.1109/SPAWDA.2008.4775784","DOIUrl":null,"url":null,"abstract":"The piezoelectric hollow sphere sensor is analyzed theoretically to predict the dynamic pressure with the knowledge of electric potential difference between the internal and external surfaces. The analysis is based on the three-dimensional theory of spherically isotropic piezoelectricity and is suitable for the piezoelectric hollow sphere sensor with arbitrary thickness. Under the free electric charge boundary condition, the relation between the dynamic pressure and the measured electric potential difference is derived as a second kind Volterra integral equation by means of the separation of variables method. The dynamic pressure is determined by solving the integral equation.","PeriodicalId":190941,"journal":{"name":"2008 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications","volume":"12 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2008-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Determination of transient dynamic pressure by piezoelectric sensor\",\"authors\":\"Hui-ming Wang, H. Ding\",\"doi\":\"10.1109/SPAWDA.2008.4775784\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The piezoelectric hollow sphere sensor is analyzed theoretically to predict the dynamic pressure with the knowledge of electric potential difference between the internal and external surfaces. The analysis is based on the three-dimensional theory of spherically isotropic piezoelectricity and is suitable for the piezoelectric hollow sphere sensor with arbitrary thickness. Under the free electric charge boundary condition, the relation between the dynamic pressure and the measured electric potential difference is derived as a second kind Volterra integral equation by means of the separation of variables method. The dynamic pressure is determined by solving the integral equation.\",\"PeriodicalId\":190941,\"journal\":{\"name\":\"2008 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications\",\"volume\":\"12 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2008-12-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2008 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/SPAWDA.2008.4775784\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2008 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/SPAWDA.2008.4775784","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Determination of transient dynamic pressure by piezoelectric sensor
The piezoelectric hollow sphere sensor is analyzed theoretically to predict the dynamic pressure with the knowledge of electric potential difference between the internal and external surfaces. The analysis is based on the three-dimensional theory of spherically isotropic piezoelectricity and is suitable for the piezoelectric hollow sphere sensor with arbitrary thickness. Under the free electric charge boundary condition, the relation between the dynamic pressure and the measured electric potential difference is derived as a second kind Volterra integral equation by means of the separation of variables method. The dynamic pressure is determined by solving the integral equation.
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