{"title":"具有可控磁滞的微流控开关装置","authors":"Salvador Ortiz, J. Lell","doi":"10.1109/MEMSYS.2015.7051009","DOIUrl":null,"url":null,"abstract":"We present a microfluidic MEMS device that is capable of switching among different states, thus behaving as an effective flip-flop. The devices consist of linear microfabricated deLaval nozzles with three exit channels, and we analyze the response as a function of input and output pressures, feed gas, and dimensions. In all cases, we have seen the appearance of a vortex, whose direction of swirl changes sign according the input pressure, and showing hysteresis. This type of response can be used to realize history-aware fluidic devices.","PeriodicalId":337894,"journal":{"name":"2015 28th IEEE International Conference on Micro Electro Mechanical Systems (MEMS)","volume":"35 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2015-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Microfluidic switching devices showing controllable hysteresis\",\"authors\":\"Salvador Ortiz, J. Lell\",\"doi\":\"10.1109/MEMSYS.2015.7051009\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"We present a microfluidic MEMS device that is capable of switching among different states, thus behaving as an effective flip-flop. The devices consist of linear microfabricated deLaval nozzles with three exit channels, and we analyze the response as a function of input and output pressures, feed gas, and dimensions. In all cases, we have seen the appearance of a vortex, whose direction of swirl changes sign according the input pressure, and showing hysteresis. This type of response can be used to realize history-aware fluidic devices.\",\"PeriodicalId\":337894,\"journal\":{\"name\":\"2015 28th IEEE International Conference on Micro Electro Mechanical Systems (MEMS)\",\"volume\":\"35 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2015-03-02\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2015 28th IEEE International Conference on Micro Electro Mechanical Systems (MEMS)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/MEMSYS.2015.7051009\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2015 28th IEEE International Conference on Micro Electro Mechanical Systems (MEMS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/MEMSYS.2015.7051009","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
We present a microfluidic MEMS device that is capable of switching among different states, thus behaving as an effective flip-flop. The devices consist of linear microfabricated deLaval nozzles with three exit channels, and we analyze the response as a function of input and output pressures, feed gas, and dimensions. In all cases, we have seen the appearance of a vortex, whose direction of swirl changes sign according the input pressure, and showing hysteresis. This type of response can be used to realize history-aware fluidic devices.
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