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Investigation of the Total Absorption Acoustic Coefficients in Zobear City

Author(s): Khalil Hadyi Ahmad, Enas M. Alrobayi and Sabah Mahmoud Aman Allah

The aim of this paper to present a mathematical model to study the metrological parameters effects on the total absorption coefficients Aα, which calculated for different acoustic sources for one day in Zobear city, based on several empirical equations. The results shows the atmospheric absorption is sensitive to the composition of air, particularly to the wide varying concentration of water vapor and temperature variance where the air temperature plays and frequency variation are dominate that controlling the values of Aα.

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