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脉冲电弧液电放电压力波特性实验研究

DOI: 10.13336/j.1003-6520.hve.2015.10.046, PP. 3518-3522

Keywords: 脉冲电弧液电放电,液电效应,水处理,压力波,能量效率,衰减因素

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Abstract:

脉冲电弧液电放电是一种利用高电压、大电流放电产生液电空化效应并形成高强度冲击压力波的脉冲等离子技术。针对其传播特性、脉冲放电能量转化为冲击压力波的效率,结合在污水厂U型初级处理池中的不同位置进行脉冲电弧液电放电试验,利用压力波传感器检测不同放电参数下压力波信号,分析研究了峰值电压和放电能量对冲击压力波的影响特性。结果表明,随着放电电压和放电能量的增加,冲击压力波的峰值迅速增加。压力波的传播受气泡扰动和流体粘力的影响,其强度随着传播距离的增大而衰减,并且沿着水流方向的衰减程度要远小于垂直于水流方向。

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