Wind Tunnel Balance

Wind Tunnel Balance - Full Scale System

Full Size System

The HORIBA Full Scale 6 Component External Wind Tunnel  Balance is a platform-type balance. A computer program is used to calculate the forces Fx (Longitudinal-Force), Fy (Lateral-Force), Fz (Vertical-Force) and the three moments Mx (Roll-Moment), My (Pitch-Moment), Mz (Yaw-Moment) from the six force sensor signals. This ‘computer-separation’ method is to be distinguished from other balance types using mechanical separation methods. The advantage of the HORIBA balance system is a very robust, simple, long term stable and maintenance free construction of the balance. No lever systems and no hydraulics are used. Also, no tare compensation system is necessary. Even small force components in the order of 1 N (100 gram) can be measured while a static preload of approx. 150000 N (15 tons) in Vertical-Force direction is applied caused by the mass of the balance platform, wheel spinner masses and vehicle mass. By using high quality load cells and a precise high resolution digital amplifier system highest measurement accuracies in the order of 0.02 % to 0.05% of full measuring range can be achieved. The measuring range of vertical force is up to 15000 N. Additionally, the cross interference of different force components is eliminated by special calibration and data evaluation methods.

Segment: Automotive
Division: Mechatronics
Manufacturing Company: HORIBA Europe GmbH
  • Highly accurate measurement resolution and repeatability
  • Separation of aerodynamic forces and moments by special “Aerocomp” software
  • Modular, integrated design for ease of installation and maintenance
  • High quality, performance-selected load cells, developed by HORIBA incorporating 
  • System design, build, test and calibration at HORIBA facility prior to delivery
  • Control and measurement system software based on MS Windows
  • Maintenance free balance system and long-term in-calibration operation.
  • Integrated customized subsystems available:
    • 5 Belt steel ground simulation system
    • Distributed boundary layer suction system
    • Full automated test car docking system
    • Integrated car lift units
  •    One partner with responsibilities for all systems
  •    Complete understanding and technical support for all aspects of the system

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