摘要
为了研究风速仪器检定对环境测量仪器性能参数的要求,确定检定过程中环境条件的限制范围,通过动态测量和数据比对的方法,获得不同环境条件下风速测量结果的实验数据,定量分析了风速检定实验室的房间阻挡物、温度、湿度和气压等要素对测量结果的影响。结果表明,实验室内有阻挡物时的风速稳定性系数和测量误差均比无阻挡物时大1倍以上;实验室的温度、气压和湿度3个要素中,温度变量对风速测量结果影响最大,相对湿度的影响最小;在检定过程中,当实验室温度变化超过1℃、气压变化超过25hPa、相对湿度变化超过38%RH时,会对测量结果造成可估量影响。
To study the requirement of anemoscope calibration to the parameters of environment meterageinstruments, and confirm the range of laboratory environmental condition for calibration, this paper ob-tained the wind speed at different circumstance, and studied the key factors of the laboratory, such as obstacle, temperature, humidity, air pressure＇s impact on anemoscope calibration through dynamic observa-tion and data comparison. The results come out as follows：when there are obstacles in the laboratory, thewind speed stability coefficients and meterage bias are one time larger than that when there are no obsta-cles; temperature has the largest impact on anemoscope calibration among the three factors of tempera-ture, air pressure and relative humidity, while relative humidity has the smallest impact; when the varia-tion of temperature, air pressure and relative humidity exceeds 1℃, 25 hPa and 38%RH relatively duringcalibration, the results are measurably affected.
出处
《解放军理工大学学报（自然科学版）》
EI
北大核心
2014年第5期494-498,共5页
Journal of PLA University of Science and Technology(Natural Science Edition)
关键词
环境条件
风速检定
直流风洞
environment condition
anemoscope calibration
direct-current wind tunnell
