The invention belongs to the technical field of flight tests, and particularly relates to a method for determining the rolling friction coefficient of an aircraft on a simple runway. The method comprises the steps that 1, test equipment is built and comprises a test vehicle and a tractor, test wheels, an aircraft brake and a brake control rate module are installed on the test vehicle, and a tension meter is arranged between the test vehicle and the tractor; 2, calculating the equivalent single-wheel load of the airplane, and determining the load of the test wheel according to the equivalent single-wheel load of the airplane; 3, determining the counterweight of the test vehicle according to the load of the test wheel; step 4, determining a plurality of different brake efficiencies; 5, loading the balance weight and the brake efficiency of the test vehicle to the test equipment, and carrying out a sliding test to obtain tension data under different brake efficiencies; and 6, processing the tension data to obtain the rolling friction coefficient. According to the method, the rolling friction coefficient of the aircraft on the simple runway during braking and non-braking can be determined.
本申请属于飞行试验技术领域,特别涉及一种确定飞机在简易跑道上滚动摩擦系数的方法。方法包括:步骤一、搭建试验设备,试验设备包括试验车和牵引车,试验车上安装有试验轮、飞机刹车及刹车控制率模块,试验车与牵引车之间设置有拉力计;步骤二、计算飞机当量单轮载荷,并根据飞机当量单轮载荷确定试验轮的载荷;步骤三、根据试验轮的载荷确定试验车配重;步骤四、确定多个不同的刹车效率;步骤五、将试验车配重和刹车效率加载到试验设备上,开展滑行试验,得到不同刹车效率下的拉力数据;步骤六、对拉力数据进行处理得到滚动摩擦系数。本申请能够确定飞机在简易跑道上刹车和不刹车时的滚动摩擦系数。
Method for determining rolling friction coefficient of airplane on simple runway
一种确定飞机在简易跑道上滚动摩擦系数的方法
06.05.2025
Patent
Elektronische Ressource
Chinesisch
IPC: | G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES / 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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