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Communication Dans Un Congrès Année : 2020

Effects of path length on the linear and non-linear ultrasonic characterization of soft materials

Résumé

Among the variable conditions that affect insonifying non-dispersive media, the source- receiver separation within near and far field regions of the employed transducer, has been found to play a prominent effect. The effect of the ultrasonic propagation path length on the linear and non-linear acoustic properties of liquids and soft materials is investigated quantitatively. The velocity of propagation of ultrasound waves and the non-linearity parameter were found to exhibit stability only beyond certain separation distance. The results of measurements carried out over different frequencies and amplitudes for different samples as well as for different sonication modes are presented and discussed.
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Dates et versions

hal-03233971 , version 1 (26-05-2021)

Identifiants

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Esam Eldin Ahmed Mohamed, Pascal Pomarede, Laurence Mathieu, Nico Declercq. Effects of path length on the linear and non-linear ultrasonic characterization of soft materials. Forum Acusticum, Dec 2020, Lyon, France. pp.3395-3397, ⟨10.48465/fa.2020.0770⟩. ⟨hal-03233971⟩
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