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A-21 Aircraft Noise Measure Noise Aviation Emission Modeling
ARP866B - Standard Values of Atmospheric Absorption as a Function of Temperature and Humidity
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Standard Values of Atmospheric Absorption as a Function of Temperature and Humidity
This ARP describes a method by which values can be obtained for the absorption of sound in air over a wide range of temperature and humidity conditions. Although it was developed primarily for use in evaluating aircraft flyover noise measurements, the information should be applicable to other noise problems as well.
This document has been determined to contain basic and stable technology which is not dynamic in nature. Newer technology is available in ARP5534.
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