A review of commonly used analytical and empirical formulae for predicting sound diffracted by a thin screen

Li, K.M.; Wong, Hon Yiu

doi:10.1016/j.apacoust.2004.06.004

Cited by 60 publications

(53 citation statements)

References 47 publications

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“…Although many different methods and formulae have been proposed for calculating acoustical diffraction [5][6][7][8], those methods that adopt Maekawa's chart [3] and the theory of Kurze and Anderson [4] remain widely used by engineers for outdoor applications, largely because of their simplicity and practicability. Li and Wong [9] provide a comprehensive review of the existing formulae for predicting the performance of a sound barrier in the free field.…”

Section: Introductionmentioning

confidence: 99%

Performance of a noise barrier within an enclosed space

Lau

Tang

2009

Applied Acoustics

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Section: Introductionmentioning

confidence: 99%

Performance of a noise barrier within an enclosed space

Lau

Tang

2009

Applied Acoustics

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“…The NASA Aircraft Noise Prediction Program (ANOPP) uses this type of method to estimate shielding effects. Li and Wong [20] provide a review paper that summarizes a number of empirical expressions for barrier theory predictions.…”

Section: Barrier Theorymentioning

confidence: 99%

Acoustic Shielding for a Model Scale Counter-rotation Open Rotor

Stephens

Envia

2011

17th AIAA/CEAS Aeroacoustics Conference (32nd AIAA Aeroacoustics Conference)

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“…Tolstoy [2] obtained an exact explicit solution for the sound diffracted by a wedge, represented by a sum of infinite series. For a review of other solution methods, see Maekawa [3], Pierce [4], Hu and Wong [5], Menounou et al [6], Menounou [7], Quis [8], Li and Wong [9], among many others.…”

Section: Theorymentioning

confidence: 99%

Sound barriers to enable open windows and integration in landscape

Rosenhouse¹

2006

WIT Transactions on the Built Environment, Vol 86

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Sound barriers are a familiar sight along highways. They act to reduce noise levels in residential areas. As architectural elements that influence the environmental view, sound barriers form a variety of kinds of geometrical shapes, textures, and colour combinations, and they are made of different building materials, such as concrete, plastics (including transparent panels), glass, wood etc. A part of the sound barriers is designed to be impressive, having a strong architectural effect on the landscape. Yet another extreme is possible -merging with the environment. This paper illustrates a diversity of solutions that make part of the environment, and are not significant visually, or at least minimize the intervention in nature. Examples of such designs that are shown here are chosen from a variety that includes the moderate slope barrier, the local screening, the combination of earth berms with walls, lowered roads, hidden walls, walls with end absorption and non planar walls.

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A review of commonly used analytical and empirical formulae for predicting sound diffracted by a thin screen

Cited by 60 publications

References 47 publications

Performance of a noise barrier within an enclosed space

Performance of a noise barrier within an enclosed space

Acoustic Shielding for a Model Scale Counter-rotation Open Rotor

Sound barriers to enable open windows and integration in landscape

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