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ORIGINAL PAPER
The influence of the vegetation as hindrances on the fall of sound level of agricultural tractors on the way of the sound spreading
Journal of Research and Applications in Agricultural Engineering 2005;50(2):5-9
KEYWORDS
ABSTRACT
Paper presents the results of experimental study of the influence of the vegetation described as hindrances on the way of the sound wave. The influence of the vegetation on the sound wave was described by the absorption factors of the sound by the environment ,,k" and ,,k(t)". Analyzed were two level values of the sound: one obtained experimentally and second obtained on the approximation with the logarithmic function of empirical values.
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Engel Z., (1993). Ochrona środowiska przed drganiami i hałasem. Wydawnictwo Naukowe PWN. Warszawa.
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Juliszewski T., Adamczyk F., (2001). Rozprzestrzenianie się hałasu ciągników rolniczych w środowisku ich pracy. Inżynieria Rolnicza, nr 1/2001.
3.
Juliszewski T., Adamczyk F., (2001a). Noise of tractors in their work environment. Proceedings of the XXIX Congress CIOSTA / CIGR V. Kraków 23-25 VI 01r, Wagningen Pels, str. 331 - 334.
4.
Polska Norma. PN-ISO 7216: 1996. Akustyka. Ciągniki kołowe i samobieżne maszyny rolnicze i leśne. Poziom hałasu zewnętrznego emitowanego podczas jazdy.
6.
Sadowski J., (1971). Akustyka w urbanistyce, architekturze i budownictwie. Arkady. Warszawa.
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| eISSN: | 2719-423X |
| ISSN: | 1642-686X |
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