The paper proposes a method for increasing the radiated acoustic power of ultrasonic (acoustic) devices of preventing deposits, ensuring their effectiveness. A formula for determining the specific acoustic power of a magnetostrictive transducer, depending on its physical characteristics, is known from literary sources. However, in practice, this formula can only be applied to determine the calculated theoretical maximum acoustic power that a designed magnetostrictive transducer with specified design and geometric parameters can emit. The paper presents a formula for determining the practical radiated acoustic power of a magnetostrictive converter on thermal power equipment, taking into account the operating mode of the ultrasonic generator and the method of excitation of the magnetostrictive converter. Using the above formulas, the radiated acoustic power is estimated in the pulsed mode of operation of the ultrasonic generator in comparison with the theoretically possible radiated power. It is shown that by changing the operating mode of the ultrasonic generator, it is possible to achieve optimal radiated acoustic power of the magnetostrictive transducer. The paper discusses the optimal operating modes of magnetostrictive transducers made of different materials. For this purpose, various methods of excitation of magnetostrictive transducers and their disadvantages leading to the disappearance of the effect of preventing deposits are analyzed, a method of excitation of the magnetostrictive transducer based on the bias of the magnetostrictive material and increasing the effect of preventing deposits is proposed. The importance of increasing the radiated acoustic power of ultrasonic devices to increase the effect of preventing deposits with the lowest possible energy consumption is shown. A comparison is made with other technical solutions used by manufacturers of ultrasonic preventing deposits equipment. Experimental results of an increase in acoustic power with the proposed method of excitation of a magnetostrictive transducer in comparison with other methods of its excitation are presented.
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