| 采用音速喷嘴的气体流量标准装置 |
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| 引用本文： | 黄立中.采用音速喷嘴的气体流量标准装置[J].中国测试技术,2005,31(3):50-52. |
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| 作者姓名： | 黄立中 |
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| 作者单位： | 广州市能源监督检测所,广东,广州,510180 |
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| 摘 要： | 建设流量标准装置是进行计量检定的基础工作，本文对当前的气体流量标准装置进行了分析比较，介绍采用音速喷嘴建设气体流量标准装置的理由和应用中的一些问题。
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| 关 键 词： | 气体 标准装置 临界流 音速喷嘴 选型 |
| 文章编号： | 1672-4984(2005)03-0050-03 |
| 修稿时间： | 2004年9月7日 |
Standard gas flowrate facilities by means of critical flow venturi nozzle |
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| Huang Li-zhong.Standard gas flowrate facilities by means of critical flow venturi nozzle[J].China Measurement Technology,2005,31(3):50-52. |
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| Authors: | Huang Li-zhong |
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| Abstract: | To build a standard facility is the basic task for flow measurement and calibration.In this article, the current standard facilities for gas flowrate were analyzed and compared with those of the same kind.Besides, the reason for choosing critical flow Venturi nozzle to form part of standard gas flowrate facilities and the discussion of some problems in practical application were also introduced. |
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| Keywords: | Gas Standard facility Critical flow Sonic nozzle Unit select |
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