بررسی پارامترهای مغناطیسی بر عملکرد بومر الکترومغناطیسی

In this article, the effect of electrical characteristics on the performance of an electromagnetic boomer as a source of sound shock production has been investigated. For this purpose, first, by examining the relationships governing the vibrations of the sheet and solving them, we obtain the total vibrations of the boomer. To solve these complex and time-consuming rates, finite element simulation has been used in the time domain to investigate the effect of parameters such as the input electric pulse width, the number and distribution of coils on the diaphragm vibrations. The results show that with the increase in the width of the input electric pulse, the displacement range of the diaphragm increases initially, but after some time it tends to a constant value. It was also observed that the displacement range of the diaphragm increases with the increase in the number of coils. The study showed that the uniform distribution of the coils along the radius of the diaphragm causes the electromagnetic induction force to be homogeneously applied to the diaphragm, and as a result, the range of diaphragm vibrations is maximized.