| 大流量孔口流量计的校准、数据处理及误差分析 |
| |
| 引用本文： | 龚雪平,丁 芸.大流量孔口流量计的校准、数据处理及误差分析[J].环境科学研究,1997,10(6):53-57. |
| |
| 作者姓名： | 龚雪平 丁 芸 |
| |
| 作者单位： | 1.中国环境监测总站,北京 100029 |
| |
| 摘 要： | 用罗兹流量计校准孔口流量计，用温度和大气压力对孔口流量计的负压进行修正，使孔口流量计的流量和压力修正项间的关系为一直线，得到孔口流量计的标准曲线并评价其精度。探讨了孔口流量计流量不确定度的主要来源，为精度控制提供了理论依据。
|
| 关 键 词： | 罗兹 孔口 精度 不确定度 |
| 收稿时间： | 1996/4/15 0:00:00 |
Calibration of High volume Orifice Flowmeter and Its Data Process, Error Analysis |
| |
| GONG Xueping and DING Yun.Calibration of High volume Orifice Flowmeter and Its Data Process, Error Analysis[J].Research of Environmental Sciences,1997,10(6):53-57. |
| |
| Authors: | GONG Xueping and DING Yun |
| |
| Institution: | 1.China Station of Environmental Monitoring, Beijing 1000292.Resources and Environment Department, Beijing Normal University, Beijing 100875 |
| |
| Abstract: | Orifice flowmeter was calibrated by Roots flowmeter, and the offset pressure, a negative pressure, was corrected by temperature and atmospheric pressure. The calibration curve, which shows that the relation between flow fate and offset pressure, was modified as a line and its precision was assessed. The main sources of the orifice flowrate' uncertainty were discussed, and then the theory basis for the precision control was provided. |
| |
| Keywords: | Roots Orifice Precision Uncertainty |
| 本文献已被 CNKI 维普 等数据库收录！ |
| 点击此处可从《环境科学研究》浏览原始摘要信息 |
| 点击此处可从《环境科学研究》下载免费的PDF全文 |
|
