Noise, vibration & harshness

Noise, vibration & harshness

Noise, vibration and harshness testing and simulation

Ricardo has provided Noise and Vibration Services for over 40 years specialising in Automotive, Marine and other transport industries.

  • Ricardo NVH has teams based at Shoreham, Leamington, Italy, China and Germany
  • NVH simulation capabilities include intake and exhaust, base engine, powertrain mounting, driveline, e-machine, pass-by, road noise and gear whine 

Below you will find more information about our state-of-the-art test facilities 

Powertrain anechoic test facilities

Three flexible powertrain semi-anechoic test cells enable the NVH testing of a wide variety of passenger car, heavy duty, electric or hybrid powertrains. Rigs are also available for system characterisation, for example on transmissions, electric motors and FEAD. 

Typical specification of the powertrain cells:

  • Dimensions: 7m x 6m x 3.5m
  • Cut-off: 100Hz (ISO 3745)
  • Wedge Spec: 0.7m Fire Resistant Graphite Loaded Open Cell Foam (DX30F)
  • Background Noise: PNC35
Absorption Capabilities:
  • Borghi & Severi FE900
  • 4100Nm from 400rpm
  • 662kW @ 1500rpm

 

Vehicle anechoic test facility

Ricardo engineers provide a full NVH services including:

  • Branding
  • Concept studies
  • Risk management
  • Design support
  • Simulation
  • Development
  • Validation
  • Launch Support