Distribution and Spectrum Analysis of Noise on a Combine Harvester

Inoue, Eiji; Katoh, Osamu; Kashima, Jun; Sakai, Jun

doi:10.5109/24046

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2014

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“…2 showed that the contribution of radiation noise nearing the driver's ear occurring from engine, conveying shute and reaping section was 30.2%, 26.9% and 10.1%. According to the amount of contribution to determine the main noise sources [5] , therefore, the three units were the main noise sources towards the driver. The reasons were as follows:…”

Section: Resultsmentioning

confidence: 99%

A Study on Noise Test and Control of Combine Harvester

Sun

2014

AMR

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Faced at the present situation that the noise level of most combine harvesters was generally higher than the national standard limit in our country, experiments carried out to reduce the driver's ear noise, which chosen 4LZ-5.0E type tracked combine harvester as experimental prototype. The method of noise sources separation was used to test the whole machine on different working conditions. Based on the contribution analysis to obtain the contribution of main working parts for the driver's ear noise and identify the main noise sources. Through designing the reasonable structure of sound insulation for engine and installing the sound insulation plate on the left of driver, testing results showed that the noise of the driver's ear was reduced 3.1dB (A).

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Section: Resultsmentioning

confidence: 99%

A Study on Noise Test and Control of Combine Harvester

Sun

2014

AMR

View full text Add to dashboard Cite

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Distribution and Spectrum Analysis of Noise on a Combine Harvester

Cited by 1 publication

References 0 publications

A Study on Noise Test and Control of Combine Harvester

A Study on Noise Test and Control of Combine Harvester

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