基于LDV测速技术的矩形风速流场数值分布实验分析  

Experimental Analysis of Numerical Distribution of Rectangular Wind Speed Flow Field Based on LDV Velocity Measurement Technology

作　　者：周艳 陈炜骄 尹鑫昊 朱宁 李雅 李宁 ZHOU Yan;CHEN Weijiao;YIN Xinhao;ZHU Ning;LI Ya;LI Ning

机构地区：[1]湖南省计量检测研究院

出　　处：《计量与测试技术》2024年第7期38-40,共3页Metrology & Measurement Technique

基　　金：自然科学基金-科市联合项目(项目名称:基于LDV测速技术的现场风量测量方法及应用研究,项目编号:2022JJ90052.项目名称:便携式高精度风量计量标准装置的研究,项目编号:2023JJ60534)。

摘　　要：设计一种基于LDV测速技术,探究在环形低速风洞风速流场实验模型结构。针对不同风速段的测量,采用合适和数据处理方法,对矩形截面风流流动特性进行探索性研究,并对数据和图例进行研究分析,提取有效数据值。结果表明:该技术不仅可较精准的测得该流场的数值分布,而且可作为进一步深入认识和研究不同截面、结构的风洞风速场及现场风量测量等复杂流动速度的重要测量手段。An experimental model st ructure of wind velocity flow ficld in a circular low-speed wind tunnel is de-signed based on LDV velocity mensrement techrology.According to the meнsurement of different wind speed scg-ments,the appropriate and data processing methods arc adopted to cond uct exploratory rescarch on the flow charac-teristics of rectangular cross section air flow,and the data and legend are studied and analyzed to extract the effec-tive data walles.Theresutshow hathis the inae ano oly acauately meaure the ome riald irtribtion of the flow field,but also be used as an important measurement means to further understand and study the wind speed field of wind tunnel with different sections and structures and the field air volume measurement.

关 键 词：LDV 风速 流场 流速分布 矩形截面 

分 类 号：TB937[一般工业技术—计量学]