Ms. Tianmin Tang Profile

Tianmin Tang

at Kunming Institute of Physics

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Proceedings Article | 27 March 2022 Paper

Experimental study on damping of a vibration absorber for a single-piston linear compressor

Derui Kong, Ming Xia, Tianmin Tang

Proceedings Volume 12169, 121690N (2022) https://doi.org/10.1117/12.2620301

KEYWORDS: Cryocoolers, Motion models, Vibration isolation, Magnetism, Fourier transforms, Sensors, Reliability, Vibration control

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The vibration of a single-piston linear Stirling Cryocooler caused by the compressor operation seriously affects the component performance and imaging quality of the infrared detector, so in terms of vibration abatement, the use of a vibration absorber has become an important way of vibration damping. While during using the vibration absorber, the damping variation is an important factor affecting the vibration damping performance. Hence, through the experimental analysis of the damping variation of the vibration absorber, it is identified in this paper that the main reason for the damping variation is the variation of mass and amplitude of the vibration absorber, which affects the deformation of the plate spring and the internal friction energy dissipation of the material. It is discovered in the experiment that at the same amplitude, the damping variation is the most stable when the mass of the vibration absorber is 28.6g~36.4g and the amplitude is 1.6~2.1mm. In the end, a vibration-damping experiment is also carried out for the compressor using a vibration absorber with a mass of 33.1g. When the compressor operates at a working frequency of 75Hz and an input power of 6W, its vibration acceleration can be decreased from 42.274m/s² before vibration damping to 3.047m/s² .

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