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자료유형
학술대회자료
저자정보
Sasao, A. (Department of Agricultural and Environmental Engineering Faculty of Agriculture Tokyo University of Agricultural and Technology) Iwasa, M. (Department of Agricultural and Environmental Engineering Faculty of Agriculture Tokyo University of Agricultural and Technology)
저널정보
한국농업기계학회 한국농업기계학회 International Conference 한국농업기계학회 1993년도 Proceedings of International Conference for Agricultural Machinery and Process Engineering
발행연도
1993.1
수록면
752 - 760 (9page)

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We research ed on the noise control of a head feeding type combine harvester. It is a kind of combine harvester developed in Japan. And at present, it is used by most Japanese farmer. For a head-feeding type combine harvester it is very difficult to determine the sources of noise because it is a combination of reapers and automatic , threshers and several running parts. However we succeeded in finding out the sound sources of combine harvesters and analyzing their sound by the using sound intensity method. The sound intensity Method is a very up-to-date method to measure and analyze Sound Intensity Levels and sound directions at several measuring point sin a specified area. In this research, first a conventional sound level measurement method is used and secondly the sound intensity method. The first method shows a rather great limitation in allowed exposure duration. The second method shows pin-points the engine itself as being the main source of noise, causing sound flows a ross the operator's seat.

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