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Duct Shape Design Technology Based on Evolutionary Algorithm Considering Noise Attenuation Performance and Air Permeability

机译:考虑噪声衰减性能和透气性的基于进化算法的管道形状设计技术

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摘要

This paper relates to a technique for designing the engine room of a hydraulic excavator equipped with an Integrated Noise & Dust Reduction (iNDr) cooling system. In order to improve the noise attenuation performance, changes in cross-sectional area and bends have been introduced into the muffler duct of the iNDr structure. On the other hand, changes in cross-sectional area and bending will deteriorate the air permeability and decrease the cooling capacity. Thus, in a muffler duct, the air permeability of the cooling air and noise attenuation performance are in a trade-off relationship. Against this backdrop, an optimum design technology has been developed using a multi-objective genetic algorithm (MOGA) to achieve both air permeability and noise attenuation performance in the intake duct of the iNDr structure of the engine room. This technology has enabled the design of an engine-room shape taking both the air permeability and noise attenuation performance into account.
机译:本文涉及一种设计配备有集成噪声和除尘系统的液压挖掘机的发动机室的技术。 为了提高噪声衰减性能,已经引入了横截面积和弯曲的变化进入了INDR结构的消声管。 另一方面,横截面积和弯曲的变化将使透气性劣化并降低冷却能力。 因此,在消声管中,冷却空气和噪声衰减性能的透气性处于折衷关系。 在这种背景下,已经使用多目标遗传算法(MOGA)开发了最佳设计技术,以实现发动机室的INDR结构的进气管道中的透气性和噪声衰减性能。 该技术使得能够考虑透气性和噪声衰减性能的发动机室的设计。

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  • 来源
    《Kobelco technology review》 |2019年第37期|8-14|共7页
  • 作者

    Satoshi TABUCHI;

  • 作者单位

    AI Promotion Project Department Technical Development Group;

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  • 原文格式 PDF
  • 正文语种 eng
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