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Lili Yu,Wende Shou,Chun Hui,Bing Hu 한국물리학회 2012 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.61 No.4
New relationships between the radiation force and the acoustic power for a cylindrical concave transducer were derived based on the ray acoustic model. The performance of this model is compared with that of the far-field integration model. The numerical results showed excellent agreement. Thus, these two models can be applied in the correction of measured results. Moreover, the formula based on the ray acoustic model can be applied more widely in practice because of its simplicity. The experimental results demonstrated further the reliability of the relationships between the radiation force and the acoustic power in theory, and the feasibility of using cylindrical concave transducers based on the ray acoustic model in practice.