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, Detroit, Italy and Germany
- Powertrain NVH Specialists:
- 14 NVH engineers based at Shoreham
Three powertrain anechoic test facilities
- Typical specification of these 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
- 4000rpm max shaft speed
- Motoring capability:
- McClure DC3250C DC Motor
- 350Nm @2400rpm
One vehicle anechoic test facility
- Anechoic treatment
- IAC Metadyne perforated metallic wedge with acoustically absorbent filling
- 63Hz anechoic cut-off frequency
- Dynamometer
- Fully-regenerative (four quadrant) AC drive system
- Dynamotive DCS.7 control system for road load simulation, speed and torque control
- Motoring up to 300kW 5300Nm
- Absorbing up to 340kW 6100Nm
- Speed up to 200km/h
- Axle capability up to 2000Kg
- 200kW cell ventilation heat rejection
- High intensity 500 lux LED lighting
