| 挤出过程高温熔体压力传感器的几个应用问题 |
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| 引用本文： | 阎宝瑞 朱毅军. 挤出过程高温熔体压力传感器的几个应用问题[J]. 中国塑料, 1999, 13(2): 93-97 |
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| 作者姓名： | 阎宝瑞 朱毅军 |
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| 作者单位： | [1]北京化工大学塑料机械及塑料工程研究所 [2]北京市高速公路监理公司 |
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| 摘 要： | 介绍了高温熔体压力传感器的结构及原理，用一组实验数据说明了温度对传感器测量精度的影响，介绍了一套实用的传送放大接口电路，分析了在聚合物挤出测压过程中可能的测量误差来源，并提出了相应的对策。
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| 关 键 词： | 压力传感器 高温熔体 挤出过程 高聚物 |
Problems about Pressure Testing with Melt Pressure Sensors for Polymer Extrusion Process |
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| Yan Baorui,Zhu Yijun,Guo Yichong and Zhou Zhijun. Problems about Pressure Testing with Melt Pressure Sensors for Polymer Extrusion Process[J]. China Plastics, 1999, 13(2): 93-97 |
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| Authors: | Yan Baorui Zhu Yijun Guo Yichong Zhou Zhijun |
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| Abstract: | The structure and principle of melt pressure sensor at high temperature are reviewed. The effect of the temperature variations on the precision of the sensor obtained through a series of experimental tests is presented in this paper. The interface transmission and amplification are described. Derivations due to pressure measurement inaccuracies are discussed and a correlation method is proposed. |
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| Keywords: | Melt pressure sensor Temperature zero drift Extrusion Pressure measurement Measurement derivation |
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