The invention provides an air rudder gap thermal environment ground test simulation and measurement method, which comprises the following steps: determining a flight Mach number and a flight unit Reynolds number according to the flight height and speed of an aircraft; according to the flight Mach number and the outlet size of the ground wind tunnel nozzle, determining a test model scaling; according to the flight Mach number, the flight unit Reynolds number, the test model scaling and the wind tunnel simulation capability, determining the ground wind tunnel test Mach number and the unit Reynolds number of the wind tunnel test incoming flow; according to the flight Mach number, the flight unit Reynolds number, the wind tunnel test Mach number and the wind tunnel test incoming flow unit Reynolds number, the flight condition and the thickness of the boundary layer at the rudder tip of the air rudder root chord under the wind tunnel test condition are determined; determining the height of an air rudder gap of the aircraft model after determining the thickness of a boundary layer under the flight condition and the wind tunnel test condition; an aircraft model for determining the height of the air rudder gap is adopted to measure heat flows of an air rudder interference area, upper and lower surfaces in the gap and a rudder shaft.
本发明提供了一种空气舵缝隙热环境地面试验模拟及测量方法,包括根据飞行器的飞行高度及速度,确定飞行马赫数及飞行单位雷诺数;根据飞行马赫数及地面风洞喷管出口尺寸,确定试验模型缩比;根据飞行马赫数、飞行单位雷诺数、试验模型缩比及风洞模拟能力,确定地面风洞试验马赫数及风洞试验来流的单位雷诺数;根据飞行马赫数、飞行单位雷诺数、风洞试验马赫数和风洞试验来流单位雷诺数,确定飞行条件及风洞试验条件下空气舵根弦舵尖处边界层厚度;确定飞行条件及风洞试验条件下的边界层厚度后,确定飞行器模型空气舵缝隙高度;采用确定空气舵缝隙高度的飞行器模型,实施空气舵干扰区、缝隙内部上下表面及舵轴热流的测量。
Air rudder gap thermal environment ground test simulation and measurement method
一种空气舵缝隙热环境地面试验模拟及测量方法
2024-04-16
Patent
Electronic Resource
Chinese
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 |
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