轮式拖拉机噪声试验分析

运用微机系统对50型轮式拖拉机驾驶室的噪声进行了试验和分析，找出了产生驾驶室噪声的主要噪声源及其耳旁位置处各组成噪声的大小与产生机理，并提出了降低驾驶室内噪声的建议。

A Test Analysis of Noise from a Wheeled Tractor

The noise near driver's ears in a cab of a 50 wheeled tractor was tested and analyzed by a data gathering and interpreting system. The major source of noise in the cab, the degree and the reason of the noise from each part of the tractor were found out. The results indicated that the degree of noise near driver's ears was 98 dB. When the tractor was in static state, and the largest source of noise came from the engine body. Some measures were suggested to reduce the degree of noise based on above findings and testing results.