承重框架稳定性安全方面的正压通风机轴向激励分布研究

B. Wieczorek, Piotr Kaczmarzyk, Ł. Warguła, Marcin Giedrowicz, Damian Bąk, Łukasz Gierz, Grigor Stambolov, Boris Kostov
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引用次数: 1

摘要

正压通风机在运行过程中会发生自偏移。文章的目的是对驱动系统运行时产生的振动所导致的动态激励进行研究分析。测试包括四种不同的风机,其中一种采用电力驱动。通过测试,确定了振动的有效 RMS R 值(最大值为 0.970 G)以及相对于垂直轴和水平轴的激励方向。此外,还确定了采用的参考系统各轴上的振幅值。在这种情况下,燃烧动力通风机在垂直轴上测得的振幅值最大(振幅值为 20 至 35 米/秒 2),电动通风机沿风机转子轴测得的振幅值最大(振幅值为 1.1 米/秒 2)。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Research on the Distribution of Axial Excitation of Positive Pressure Ventilators in the Aspect of Stability Safety of the Load-Bearing Frame
Positive pressure ventilators are exposed to self-shifting during their operation. The aim of the article was to perform research analysing dynamic excitations resulting from vibrations caused by the operation of the drive system. The tests included four different fans, including one with an electric drive. The tests carried out made it possible to determine the effective RMS R value of vibrations, which is a maximum of 0.970 G, and the direction of the excitation relative to the vertical and horizontal axes. In addition, the values of vibration amplitudes on individual axes of the adopted reference system were determined. In this case, the highest values were measured on the vertical axes for combustion-powered ventilators (vibration value from 20 to 35 m/s 2 ) and in the axis along the fan rotor for electric-powered ventilators (vibration value from 1.1 m/s 2 ).
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