Sound Radiation from a Finite Cylinder

Bordoni, P. G.; Gross, Wolf

doi:10.1002/sapm1948271241

Cited by 8 publications

(3 citation statements)

References 1 publication

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“…The physical properties of cylindrical piezoelectric transducers are also widely studied, including radiation, electric-acoustic and acoustic-electric conversions, and more. The radiation of a cylinder transducer with harmonic vibration was reported by Bordoni et al [22] and Williams et al [23]. Fenlon [24] reported calculations for the acoustic radiation field at the surface of a finite cylinder using the method of weighted residuals.…”

Section: Introductionmentioning

confidence: 94%

Physical Characteristics of and Transient Response from Thin Cylindrical Piezoelectric Transducers Used in a Petroleum Logging Tool

Qu³

et al. 2019

Micromachines

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We report on a transient response model of thin cylindrical piezoelectric transducers used in the petroleum logging tools, parallel to a recently established transient response model of thin spherical-shell transducers. Established on a series of parallel-connected equivalent-circuits, this model provides insightful information on the physical characteristics of the thin cylindrical piezoelectric transducers, i.e., the transient response, center-frequency, and directivity of the transducer. We have developed a measurement system corresponding to the new model to provide a state-of-the-art comparison between theory and experiment. We found that the measured results were in good agreement with those of theoretical calculations.

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Section: Introductionmentioning

confidence: 94%

Physical Characteristics of and Transient Response from Thin Cylindrical Piezoelectric Transducers Used in a Petroleum Logging Tool

Qu³

et al. 2019

Micromachines

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“…Various studies using deterministic analysis have been reported. For example, Bordoni and Gross [5] calculated the sound power radiated from a rigid cylinder with one oscillating end surface; Williams [6] employed an approximate series method to analyze the radiation of "nite length cylinders with a uniform radial vibration velocity pro"le; Daw and Perreira [7] studied the axial oscillations of "nite length cylinders; Richards [8] concentrated on the radiation e$ciency of in"nite beam-like cylinders in #exural vibration; Stepanishen [9] and Zhu [10] discussed the radiation impedance and &&relative sound intensities'' of di!erent vibration modes of an in"nite cylinder with "nite length vibration distribution respectively. Furthermore, by taking into account the reaction of the #uid inside a cylindrical shell, Stepanishen [11] studied the coupling between the acoustic modes and the structural vibration modes; Holmer and Heymann [12] investigated the sound transmission through pipe walls; and Laulagnet and Guyader [13] analyzed the acoustic radiation of a cylindrical shell immersed in light and heavy #uids.…”

Section: Introductionmentioning

confidence: 99%

The Sound Radiation Efficiency of Finite Length Acoustically Thick Circular Cylindrical Shells Under Mechanical Excitation I: Theoretical Analysis

Wang

Lai

2000

Journal of Sound and Vibration

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“…One of the earliest works on the sound radiation of cylinder is by Bordoni and Gross (1948) and a detailed analytical treatment is presented by Runkle and Hart (1969). If the modal densities of the structure under consideration are quite high, deterministic approaches are very cumbersome in computing the radiation resistance.…”

Section: Introductionmentioning

confidence: 99%

Archives of Acoustics

Florence

Renji

2021

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Cylindrical shells made of composite material form one of the major structural parts in aerospace structures. Many of them are acoustically thick, in which the ring frequencies are much higher than their critical frequencies. In this work, sound radiation behaviour of acoustically thick composite cylinders is presented. Based on the structural and acoustic wave number diagrams, the modal average radiation resistances in the frequency band of interest are theoretically determined. The structural wavenumbers are determined considering transverse shear deformation. The results show lesser sound radiation between the critical and ring frequencies, and significant sound radiation near the ring frequency and beyond. In the absence of the present results the radiation efficiency is considered to be unity at all frequencies beyond the critical frequency, including near the ring frequency. The radiation resistances of the same cylinder are determined experimentally and they are in very good agreement with the theoretical estimates. As part of this investigation, an expression for determining the ring frequency of composite cylinder is also presented.

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Sound Radiation from a Finite Cylinder

Cited by 8 publications

References 1 publication

Physical Characteristics of and Transient Response from Thin Cylindrical Piezoelectric Transducers Used in a Petroleum Logging Tool

Physical Characteristics of and Transient Response from Thin Cylindrical Piezoelectric Transducers Used in a Petroleum Logging Tool

The Sound Radiation Efficiency of Finite Length Acoustically Thick Circular Cylindrical Shells Under Mechanical Excitation I: Theoretical Analysis

Archives of Acoustics

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