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ASA S1.26

ASA S1.26

$87.00

American National Standard Method for the Calculation of the Absorption of Sound by the Atmosphere

Published by Publication Date Number of Pages
ASA 08/28/2014 54
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ASA S1.26 – American National Standard Method for the Calculation of the Absorption of Sound by the Atmosphere

This Standard provides the means to calculate atmospheric absorption losses of sound from any source, moving or stationary, for a wide range of meteorological conditions. The atmosphere is assumed to be still, homogeneous moist air of normal composition. Non-homogeneous atmospheres can be divided into horizontal layers within which homogeneous conditions can be assumed. Attenuation coefficients for puretone sounds are calculated by means of equations (or a table) over ranges of frequency, and the humidity, pressure, and temperature of the atmosphere. For sounds analyzed by fractional-octave-band filters (e.g., one-third-octave-band filters), alternative methods are provided in annexes to calculate the attenuation caused by atmospheric absorption from that specified for pure-tone sounds.

Product Details

Published:
08/28/2014
ANSI:
ANSI Approved
Number of Pages:
54
File Size:
1 file , 670 KB
Note:
This product is unavailable in Ukraine, Russia, Belarus
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