Abstract

The thermal fields of cylindrical piezoceramic electroacoustic transducers compensated designs sealed with metal-polymer layers are considered. The analysis on a basis of analytical calculations method and the finite element method was performed. The method of cylindrical piezoceramic electroacoustic transducers compensated construction thermal fields calculation based on the solution of the Fourier thermal conductivity differential equation is developed. The technique takes into account the features of the design implementation of transducers sealing by metal-polymer layers. A system of five infinite layers, each of which models a specific structural element of the transducer was taken as a calculation model. The solution of thermal conductivity equation which allows determine the temperatures at different points of the transducer layers is found. The investigation of cylindrical type transducer models with additional structural elements and without them using the finite element method in the SolidWorks program is carried out. Numerical calculations and comparison of thermal fields obtained by these two methods are performed. As a result of the analysis it is established that there is a significant temperature difference in the polymer membranes of the transducer construction which can lead to their destruction. The obtained results can be used during the cylindrical piezoceramic electroacoustic transducers designing.

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