旋转叶片风速计在许多工程应用中用于测量气流，尤其是在现场应用中，例如用于HVAC测试和平衡的体积气流速率测量。有充分的证据表明，旋转叶片风速计的测量精度受到许多因素的影响。然而，目前尚不清楚流场中的湍流强度水平如何影响叶片风速计读数。本文介绍了测定不同湍流强度对旋转叶片风速计准确测量平均风速能力影响的实验结果。给出了两种不同尺寸的旋转叶片风速计的测量结果，涵盖了一系列的风速和湍流强度。将每个旋转叶片风速仪的测量值与使用配备单热传感器的热风速仪系统获得的相关测量值进行比较- 薄膜探头和热电偶用于温度补偿。使用温度补偿热膜探针获得了测试叶片风速计正上游的局部速度分布和湍流强度信息。根据本文给出的结果，湍流强度已被证明会显著影响使用任意尺寸旋转叶片风速计进行测量的精度。单位:投资:ASHRAE交易，第107卷，pt。1.

Rotating vane anemometers are used to measure airflow in many engineering applications, especially in field applications such as volumetric airflow rate measurement for HVAC testing and balancing. It has been well documented that the accuracy of measurements made by rotating vane anemometers is affected by a number of factors. However, it is unclear as to how the level of turbulence intensity in the flow field affects the vane anemometer readings. This paper presents experimental results for the determination of the influence of various levels of turbulence intensity on the ability of rotating vane anemometers to accurately measure average air speed. Results are given for two different sizes of rotating vane anemometers covering a range of air speeds and turbulence intensities. Measurements from each rotating vane anemometer are compared with the associated measurements obtained using a thermal anemometer system equipped with a single sensor hot-film probe and a thermocouple for temperature compensation. Local velocity profiles and turbulence intensity information directly upstream of the test vane anemometer were obtained using the temperature-compensated hot-film probe. Based on the results presented in this article, turbulence intensity has been shown to significantly affect the accuracy of measurements made using rotating vane anemometers of either size.Units: I-P