The invention provides a propeller performance calculation method and device, computer equipment and a storage medium, and relates to the technical field of propellers. The method comprises the following steps: calculating condition parameters and preset input initial interference angles according to preset blade element parameters of a plurality of blade elements of the propeller in different states, and calculating interference angles of the plurality of blade elements; calculating incidence angles of the plurality of leaf elements according to the interference angles; according to a preset Reynolds number, a preset Mach number and the incidence angles of the multiple blade elements, multiple groups of lift-drag characteristic parameters of the multiple blade elements are determined in a preset propeller airfoil profile database; according to the multiple sets of lift-drag characteristic parameters, aerodynamic force data of multiple blade elements when the propeller is in a hovering or forward flying state is calculated; and according to the blade parameters of the propeller and the aerodynamic force data of the multiple blade elements, calculating the total aerodynamic force data of the propeller in different states. The calculation precision of the propeller performance can be improved.
本申请提供一种螺旋桨性能计算方法、装置、计算机设备及存储介质,涉及螺旋桨技术领域。该方法包括:根据螺旋桨处于不同状态下多个叶素的预设叶素参数、计算条件参数和预设输入的初始干涉角,计算多个叶素的干涉角度;根据干涉角度计算多个叶素的迎角;根据预设雷诺数、预设马赫数和多个叶素的迎角,在预设螺旋桨翼型数据库中确定多个叶素的多组升阻特性参数;根据多组升阻特性参数,计算在螺旋桨处于悬停或者前飞状态下多个叶素的气动力数据;根据螺旋桨的桨叶参数和多个叶素的气动力数据,计算在螺旋桨处于不同状态下螺旋桨的总气动力数据。本申请可以提高螺旋桨性能的计算精度。
Propeller performance calculation method and device, computer equipment and storage medium
螺旋桨性能计算方法、装置、计算机设备及存储介质
2022-12-09
Patent
Electronic Resource
Chinese
IPC: | G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / 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 |
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