本发明涉及风洞实验气流均匀性技术领域,公开了提升飞机实验风洞气流均匀性的装置及其参数优化方法;装置包括动力段、稳流调整段以及收缩段;动力段包括圆管状的动力主体段,设置在动力主体段内的风机安装结构,设置在风机安装结构上的风机;方法包括:S1、初步设定尺寸参数;S2、对风洞整体进行建模;S3、进行流体仿真;S4、判断目标区域风速不均匀度是否小于5%;若不均匀度小于5%则设计完成;若不小于5%则修改步骤S1尺寸参数,重复步骤S2~S4;本发明可满足大型飞机进行风洞试验时所需的风量大、风速大的要求;能够使气流均匀性得到提升。

    The invention relates to the technical field of wind tunnel experiment airflow uniformity, and discloses a device for improving aircraft experiment wind tunnel airflow uniformity and a parameter optimization method thereof. The device comprises a power section, a steady flow adjusting section and a contraction section; the power section comprises a circular-tube-shaped power main body section, a fan mounting structure arranged in the power main body section and a fan arranged on the fan mounting structure; and the method comprises the following steps: S1, preliminarily setting size parameters; S2, modeling a whole wind tunnel; S3, performing fluid simulation; and S4, judging whether the wind speed unevenness of the target area is less than 5% or not, if the unevenness is smaller than 5%, completing the design, and if not less than 5%, modifying the size parameters in the step S1, and repeating the steps S2-S4. According to the invention, the requirements of large air volume and large air speed during wind tunnel test of large aircrafts can be met, and the airflow uniformity can be improved.


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    Title :

    提升飞机实验风洞气流均匀性的装置及其参数优化方法


    Publication date :

    2022-03-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES , Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen / B64F GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT , Boden- oder Flugzeugträgerdeckeinrichtungen besonders ausgebildet für die Verwendung in Verbindung mit Luftfahrzeugen / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung