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Analysis Of Anti Vibration Mounts For Vibration Isolation In Diesel Engine Generator Set

机译:柴油发电机组隔振隔振装置的分析

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Engine vibrations have been one of the major problems for the engine manufacturers in the world. The engine excitation forces, arising from the gas pressure and unbalance forces are the sources of vibrations.Anti Vibration Mounts(AVMs) are the structures used to absorb the vibrations and dampen the harm causing forces. Mount result in a system which is modeled as mass/spring/damper. The elastomer is under vertical and shear load at the sa me time. The engine is bolted freely on mount which dampens the vibrations going to the base frame/canopy. The validation of their characteristics is implemented in a single degree of freedom system with response to frequency domain. The engine is mounted freely on the AVM's which helps to da mpen the vibrations to base frame. Frequency Response Function(FRF) is derived for analysis, analytically and Computer Aided Engineering(CAE). Comparative is also made to suggest which material is to be selected for AVMs. A single AVM is analyzed for modal and frequency response with the upper plate as a part of engine structure and the bottom plate as the base frame. Comparative study of the two conditions using materials and also without mount and w ith mount is analyzed
机译:发动机振动一直是世界上发动机制造商的主要问题之一。由气压和不平衡力产生的发动机激励力是振动的来源。防振架(AVM)是用于吸收振动并减轻伤害力的结构。在模拟为质量/弹簧/阻尼器的系统中安装结果。弹性体在同一时间承受垂直和剪切载荷。发动机通过螺栓自由固定在安装座上,可减轻流向底架/顶篷的振动。在响应于频域的单自由度系统中实现其特性的验证。发动机可自由安装在AVM上,这有助于将振动抑制到基础框架上。导出了频率响应函数(FRF)进行分析,分析和计算机辅助工程(CAE)。还进行比较以建议为AVM选择哪种材料。对单个AVM进行模态和频率响应分析,其中上板为发动机结构的一部分,而底板为基础框架。分析了使用材料以及不使用底座和使用底座的两种条件的比较研究

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