Experimental study on vibration and sound radiation reduction of the web-mounted noise shielding and vibration damping wheel

2014 ◽  
Vol 62 (3) ◽  
pp. 110-122 ◽  
Author(s):  
Jian Han ◽  
Zefeng Wen ◽  
Ruiqian Wang ◽  
Di Wang ◽  
Xinbiao Xiao ◽  
...  
Keyword(s):  
Experimental Study ◽  
Sound Radiation ◽  
Vibration Damping ◽  
Radiation Reduction ◽  
Noise Shielding ◽  
Vibration And Sound Radiation ◽  
The Web

Effect of Different Input Loading Form on Structure-Born Sound Radiation

2012 ◽  
Vol 518-523 ◽  
pp. 3768-3771
Author(s):  
Zhi Yong Xie ◽  
Qi Dou Zhou ◽  
Gang Ji
Keyword(s):  
Experimental Data ◽  
Forced Vibration ◽  
Sound Radiation ◽  
Added Mass ◽  
Elastic Vibration ◽  
Simulation And Experiment ◽  
Radiation Induced ◽  
Vibration And Sound Radiation ◽  
Loading Form ◽  
Good Agreement

The exciting force’s accurate measurement of is crucial to the structure-born sound radiation. Forced vibration and sound radiation of the ribbed cylinder is examined in the anechoic room. An approach called added mass and damping method is proposed to calculate the elastic vibration and acoustic field of the cylinder. Results obtained from simulation are show to be in good agreement with the experimental data. Sound radiation induced by different input loading form is examined via simulation and experiment. And the equipollence of force and pressure acting on the base is validated.

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