Tractor Noise Analysis - Open and Enclosed Operators 720706

Proper analysis technique is the most vital step toward controlling the noise to which the tractor operator is exposed. Two distinct situations arise when: unenclosed, or cab enclosed operators are considered. This paper presents the noise analysis technique required in each case.
For tractors without operator enclosures, the noise sources must be located and ranked according to their contribution. A complete analysis of the engine-produced noise level is presented.
Enclosing the operator represents a means of controlling the sound level to which he is exposed. Analysis and priority ranking of several methods used to reduce the noise level inside the enclosure is developed.


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