Optimization study of air compressor acoustic enclosure and ventilation and heat dissipation technical parameters
The noise sources of air compressors are complicated and diverse,with significant noise intensity and wide frequency distribution range,leading to a challenge to the noise management for air compressors.The air compressor acoustic enclosure setup generally exists problems,including insufficient insulation,failure to consider the acoustic enclosure's ventilation and heat dissipation,and sound leakage from the holes.In this paper,the octave spectrogram of air compressor noise was measured,the noise reduction value of each frequency was determined according to the NR curve,and the sound insulation value of the materials and thickness of each layer of the acoustic enclosure's support layer,damping layer,acoustic absorbing layer,and surface protection layer was calculated and designed accordingly.The simulation analysis of sound insulation performance was carried out using the acoustic vibration coupling method in the acoustic enclosure structural modes.And the cavity model of the acoustic enclosure design scheme as a fluid domain for Computational Fluid Dynamics(CFD)numerical simulation,in order to optimize the sound insulation performance and ventilation and heat dissipation performance for the acoustic enclosure.A low-cost air compressor acoustic enclosure design method with better heat dissipation performance was finally developed.
Air compressorSound insulation coverNoise reductionHeat dissipation
万方数据
维普
