Propagation of the selected frequency noise spectrum of agricultural tractors in the fields environment
Adamczyk, F.(Przemyslowy Instytut Maszyn Rolniczych, Poznan (Poland))E-mail:[email protected]
Paper presents the results of experimental study on the agricultural tractors noise propagation in the agricultural environment of the selected frequency spectrum. The subject of the study was propagation of noise in the fields going from steady source it is from Massey Ferguson 235 tractors unloaded engine working at chosen rotary speed. Results were analysed in two aspects: (1) uniformity of the noise propagation in the selected octave frequency, (2) noise attenuation by the wheat and corn fields. There were made sound level propagation comparison study, in human audible range, in the octave spectrum, for other cultivated plants
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