作者和其他人之前的工作表明，在盘管表面使用旋转叶片式风速计来确定空调和空气处理系统中的气流速率是有潜力的。然而，当风速计与线圈直接接触时（推荐用于可重复的结果），需要一个相关系数或校正系数来将实际流量与风速计指示值联系起来。本文报告了为确定上游扰动对线圈速度相关系数的影响而进行的实验研究的结果。所考虑的干扰包括盘管表面的积灰、平行叶片阻尼器和风机爆炸。当存在这些干扰时，线圈深度、平均面速度和风速计速度读数的最大值与最小值之比对使用校正系数的结果有显著影响。 单位:双引文:阿什雷交易，1986年，第92卷，第。旧金山1A

Previous work by the authors and others have shown the potential for using rotary vane type anemometers at the coil face for determining airflow rates in air-conditioning and air handling systems. However, when the anemometer is placed in direct contact with the coil, as is recommended for repeatable results, a correlation or correction coefficient is necessary to relate actual flow to the anememeter indicated value. This paper reports the results of an experimental investigation conducted to determine the effect of upstream disturbances on the velocity correlation coefficient for coils. Disturbances considered were sirroulated dirt build-up on the coil face, parallel blade dampers, and fan blasts. Depth of coil, average face velocity, and the ratio of maximum to minimum anemometer velocity reading were shown to have a significant effect on the results of using the correction factor when these disturbances are present.Units: Dual