Study on rectangular ultrasonic radiator of flexural resonant vibration in high modes

(整期优先)网络出版时间:1993-04-14
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Basedonthetheoryofcouplingvibrationandflexuralvibrationofthinrodofrectangularcrosssection,thefiexuralvibrationofrectangularthinplatewasstudied.Thefrequencyequationwasderivedundertheconditionoffreeboundaries.Thenormalmodesandtherelationbetweenthenormalmodesandtheresonantfrequencywereobtained.Experimentsshowedthatthecalculatedresonantfrequenciesagreewellwiththemeasuredresults,andtherectangularthinplateinflexuralvibrationhasabundantresonantfrequencies.Theradiatorofflexuralvibrationusedinultrasoniccleaningandothertechniqueshastheadvantagesoflargeacousticradiatingarea,uniformacousticfieldandeasyadjustmentofresonantfrequencies,provingthatitisapromisingultrasonicsource.