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There are many types of liquid level measurement instrumentations in modern technology, including the multiple-liquid level measurement. However, there are some practical considerations that make them unfit to use in car washer tanks. They are often too expensive, too cumbersome, too awkward and unsuitable in tanks. Only a few of them are suitable enough for the technology to widely benefit their...
Induction coil is one of the key components of permanent magnet vibration-to-electrical power generator (VEPG). Here, the equivalent turn number of coil (ETNC) is introduced to build the relationship between the induction coil's structure and magnetic field. And the dynamic magnetic flux density is calculated by finite element method (FEM). The optimized induction coil is fabricated according to the...
When applying mechanical stress to giant magnetostrictive material Terfenol-D, the magnetization along the direction of the applied stress varies due to the reverse magnetostrictive effect, which is called Villari effect. A magnetostrictive vibration sensor, which converts mechanical energy to electric energy, can be designed based on this effect. The dynamic model of the sensor was founded based...
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