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    • 1. 发明申请
    • APPARATUS AND METHOD FOR DETERMINING FORCES ACTING ON A VEHICLE IN A WIND TUNNEL
    • 风力发电机车辆行驶力测定装置及方法
    • WO2010117793A2
    • 2010-10-14
    • PCT/US2010/029216
    • 2010-03-30
    • WALTER, Joel, A.BENETTI-LONGHINI, LeoARNETTE, Stephen, A.
    • WALTER, Joel, A.BENETTI-LONGHINI, LeoARNETTE, Stephen, A.
    • G01M9/00G01M17/007G01M17/00G01L5/16G01L5/00
    • G01M9/062G01M9/04G01M17/007
    • A system for resolving the measured forces and moments at VRS attachment points and tire contact patches to a standard format for a wheeled vehicle in a windtunnel. The system reduces the data to arrive at the aerodynamic forces, moments and coefficients. The test vehicle is equipped with one or more wheel force transducers installed between the wheels and the corresponding hubs. A VRS rod or strut attaches to the wheel so that loads through the hub and into the wheel are sensed at both the VRS strut and the tire contact patch. The force transmitted through the hub into the wheel is sensed and measured directly by the wheel force transducer. The combination of measurements from the VRS load cells and the wheel transducers allows the determination of the external forces acting on the vehicle at the tire contact patch, which in turn leads to the aerodynamic forces acting on the vehicle. When combined with the geometry of the vehicle, the aerodynamic moments acting on the vehicle can then be determined.
    • 一种系统,用于将VRS附着点和轮胎接触片处的测量力和力矩解析为风洞中的轮式车辆的标准格式。 该系统减少数据以获得空气动力,力矩和系数。 测试车辆配备有一个或多个安装在车轮和相应轮毂之间的车轮力传感器。 VRS杆或支柱连接到车轮,使得在VRS支柱和轮胎接触片处都感测到通过轮毂和车轮的载荷。 通过轮毂传递到车轮中的力由车轮力传感器直接检测和测量。 来自VRS称重传感器和车轮传感器的测量结合可以确定在轮胎接触片上作用在车辆上的外力,这又导致作用在车辆上的空气动力。 当与车辆的几何形状结合时,可以确定作用在车辆上的空气动力学力矩。