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1. Measuring Principle and Structure of New Thrust Flow Transducer | |||
ZHANG Xiaoyan,QIN Jianmin | |||
Electrics, Communication and Autocontrol Technology 12 May 2011 | |||
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Abstract:The structure of new thrust flow transducer detecting velocity from the perspective of mechanics is proposed in this paper. Based on the above idea, the author designs the experimental device of new thrust flow transducer. In the process of detecting velocity, the traction cable's pull force which is given by the floating ball in the fluid can be measured by the experimental apparatus. Then the force situations of rigid floating ball are used to calculate fluid thrust on the floating ball. Finally, velocity can be gotten by empirical formula between fluid velocity and fluid thrust on the floating ball. Experimental device of new thrust flow transducer is simple and low cost. It can not only be used for automatic measuring in velocity of rivers in non-freezing conditions, but also be used for automatic measuring in velocity of water under ice sheet of rivers in freezing conditions. | |||
TO cite this article:ZHANG Xiaoyan,QIN Jianmin. Measuring Principle and Structure of New Thrust Flow Transducer[OL].[12 May 2011] http://en.paper.edu.cn/en_releasepaper/content/4424359 |
2. Research on the feasibility of localizing in-vivo micro-devices with electromagnetic methods | |||
Guo Xudong,Yan Guozheng,Jiang Pingping | |||
Electrics, Communication and Autocontrol Technology 20 March 2008 | |||
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Abstract:In order to measure the location of medical micro-devices in the gastrointestinal tract, electromagnetic methods were developed considering the magnetic permeability of human bodies. Two varieties of electromagnetic localization methods have been implemented: one used direct current to generate the electromagnetic field, and the other uses alternating current. The two varieties of the localization principle were analyzed and relevant experiments were made. The experiments show that the alternating electromagnetic method acquires higher accuracy, higher stability and wider measurement range. | |||
TO cite this article:Guo Xudong,Yan Guozheng,Jiang Pingping. Research on the feasibility of localizing in-vivo micro-devices with electromagnetic methods[OL].[20 March 2008] http://en.paper.edu.cn/en_releasepaper/content/19505 |
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