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National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
Comparison of loudness inside and outside tractor's cabine
 OPEKAR, Jiří
This bachelor's thesis is aimed at investigating the noise level in a tractor cabin and at certain distances from the tractor. Eleven tractors of different brands with power outputs ranging from 70 kW to 93 kW were selected for the study. The thesis outlines noise problems in general, the noise classification and sources, and examines the impact of noise on human health as well as the legislation concerning protection against noise. Further investigated within the study is noise in agriculture and in particular types of noise caused by certain parts of a tractor. Included are also basic tractor cab design parameters, its history, evolution and current state. The study presents characteristics of the examined tractors and describes acoustic pressure values measured inside and outside the tractor cabins. The values are presented in the form of tables and charts. Lastly, the values are compared for all the tractors within the study and the results are evaluated.
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