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聚合物检测的PEEK超声缓冲杆尾随波消除方法研究

Analysis Method of PEEK Ultrasonic Buffer Rod Trailing Echo Elimination for Polymer Monitoring
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摘要 采用波导理论分析了超声波在圆柱杆和水循环套中的传播规律,计算了尾随信号的时间间隔与缓冲杆直径和声速的关系;分析了水循环套的材料、直径、形状对尾随波的影响,并进行了实验验证。实验结果对高温缓冲杆水循环装置的设计提供了理论和实验依据,为聚合物挤出的在线监测奠定了基础。 The wave guide theory was used to analysis the wave theoretical in the cylindrical rod and the water circulating device, calculate the relationship among the intervals of the echoes and the rod＇s diameter and wave velocity. The impact of water circulating device＇s material, diameter and shape on trailing echo were analyzed and verified by experiments. The experimental results provided the theoretical and experimental basis for design of high temperature buffer rod water circulation device, laid the foundation for the online monitoring of polymer extrusion.
作者 韩婧 陈友兴 王召巴 李慧娟 邓博文
机构地区 中北大学仪器科学与动态测试教育部重点实验室 中北大学电子测试技术国防重点实验室
出处 《塑料工业》 CAS CSCD 北大核心 2013年第11期66-69,共4页 China Plastics Industry
基金 山西省科技攻关项目(20110321029) 国家自然科学基金(61201412) 山西省青年科技研究基金(2012021011-5)
关键词 聚合物 超声检测 缓冲杆 尾随波 Polymer Ultrasonic Testing Buffer Rod Trailing Wave
分类号 TQ320.7 [化学工程—合成树脂塑料工业]
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参考文献7

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二级参考文献6

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塑料工业
2013年 第11期

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