Error Correction and Reanalysis of the Vibration Analysis of a Piezoelectric Ultrasonic Atomizer to Control Atomization Rate

Dynamic mesh atomizers have been widely used in various fields because of their compact structure, low energy consumption, and production costs. The finite element method is an important technique to analyze the factors affecting atomization performance dynamic atomizers. However, at present, there a lack decisive solutions basic problems boundary setting terms simulation vibration displacement characteristics under different modes. In this paper, two errors were found Vibration Analysis Piezoelectric Ultrasonic Atomizer Control Atomization Rate paper written by Esteban Guerra-Bravo et al. 2021. First, analysis, condition atomizing sheet was set be fixed, which inconsistent with actual support situation seriously affects sheet. Second, result, from first mode third mode, growth rate maximum center as high 77.12%, even up 221.05%, existing theory. view these errors, working principle analyzed equation peripheral simple derived. Through comparison literature, it proven that original are unreasonable. By measuring conditions, freedom should greater than or equal 1, namely, simply supported. theory for simulation, relationship between resonant frequency measured. It increase resonance frequency, modes only nodal circles larger other modes, increased slightly number about 0.98%.