| PVTt法微小气体流量标准装置 |
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| 引用本文： | 王东伟,段慧明.PVTt法微小气体流量标准装置[J].现代计量测试,2000,8(3):37-42. |
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| 作者姓名： | 王东伟 段慧明 |
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| 作者单位： | 中国计量科学研究院!北京100013 |
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| 摘 要： | 为解决我国微小气体流量值溯源问题，研制了用于对微小喉径的音速喷嘴进行量值传递的气体流量标准装置，该装置具有流量小、准确度高、范围宽等特点。
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| 关 键 词： | 气体流量 标准装置 音速喷嘴 PTVt法 流量计量 |
Tiny Gas Flow Calibration Facility by Means of PVTt |
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| WANG Dong\|wei,DUAN Hui\|ming.Tiny Gas Flow Calibration Facility by Means of PVTt[J].Modern Measurement and Test,2000,8(3):37-42. |
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| Authors: | WANG Dong\|wei DUAN Hui\|ming |
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| Abstract: | In order to solve the problems of the value traceability of tiny gas flow, we have established a gas flow calibration facility used to verify the sonic nozzles with small diameters. It has some characterizations such as small flow rate, high accuracy and wide measurement range. |
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| Keywords: | gas flow Calibration facility sonic nozzles |
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