Measuring Techniques and Instrumentation

The most important measuring techniques at present available in the wind tunnel are:
  • The 7-component Pfister™ Balance for aerodynamic forces measurement
  • The "14-hole" probe for mapping of velocities and pressures in the flow
  • The 4-module "Scanivalve™" for pressure measurements on the car body
  • The measurement of turbulence and velocity in the flow or within the engine bay, by:
    o the miniature 3-component Laser Doppler Velocimeter - LDV-3D
    o Hot-wire instrumentation
  • The PIV to reconstruct all the flow velocity components with high spatial resolution
  • The "Comfort Helmet" for measurement of passengers comfort in open-top cars
  • The measurement of Brake Disk Cooling, both in the inner and the outer side of the disk
  • The "test radiator" for measurement of radiator cooling flow
  • The measurement of the ballooning, under aerodynamic load, of the soft top, in the case of tests on convertible cars
  • The flow visualisation using a laser light sheet and smoke
  • The optical system to measure the Frontal Area directly in the test section
  • The measurement of the acoustic field inside the vehicle, using microphones or acoustic dummies
  • The measurement of the acoustic field outside the vehicle using:
    o the acoustic mirrors
    o acoustic intensimetry