Impact resistance of photovoltaic glass under different impact heights and glass thicknesses
In order to study the impact resistance performance of photovoltaic glass,the crack growth mode and the peak impact force under different working conditions were proposed.Based on the established finite element model,the influence law of different impact heights and thicknesses of photovoltaic glass on the maximum impact force and other indicators was studied.The results showed that the crack shape of glass caused by different impact forms was different.The lower the impact height of wind-induced projectiles,or the larger the glass plate thickness,the smaller the damage degree,the better the impact resistance and the higher the safety of the glass.The impact force of the falling hammer at a height of 2 m is 5.46 kN,which is 1.17 times higher than the impact force at a height of 0.5 m;The impact force required for the destruction of a 12 mm thick photovoltaic glass panel is 20.75 kN,which is 9.07 times higher than the impact force required for a 3 mm thick photovoltaic glass panel.
photovoltaic glasswind-induced projectilecrack patternfinite element modelimpact force
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