Chassis dynamometer
Our state-of-the-art chassis dynamometer forms the hub of our vehicle research activities. The facility incorporates industry standard equipment operated according to robust experimental procedures.
View or download the PVRC Chassis Dynamometer leaflet [PDF].
- Zöllner 2 independent 126kW DC machines driving 48" diameter rollers
- Front or rear wheel drive; Max axle load 3000 kg
- Vehicle mass simulation range 454 kg to 2722 kg (1000 Ibs to 6000 Ibs)
- Base inertia of the chassis dynamometer system corresponds to a vehicle weight of 1360 kg (3000 Ibs)
- Max. tractive force of each DC machine in continuous motoring mode 3600 N up to 126 km/h
- Max. tractive force of each DC machine in continuous generator mode 3600 N below 126 km/h
- Max. test speed 200 km/h; Standard vehicle size range
- Future upgrade to 4x4 planned (not yet funded)
- Emissions equipment
- Horiba MEXA 7000 series (2 off)
- Sampling from Raw exhaust (pre- and post-cat), Dilute flow (CVS), Bags
- Gasoline, Diesel; Heated THC, NO/NOx, CO, CO2, O2
- Particulates by TEOM; Excellent modal to bay correlation
Environmental capabilities
- Horiba MEXA 7000 series (2 off)
- Penmann Climatic Systems Refrigeration plant and controls for regulation from –10°C to +50°C
- Penmann Climatic Systems Variable Speed Engine Cooling Fan
- Data acquisition and control
- Horiba PC VETS + specialist tools as required
Highlights
- Industry standard (New European Driving Cycle, and so on) and custom designed test sequences
- Access to techniques developed within our ongoing research programmes
- Design of experiments and statistical analysis
- Full report and electronic data delivery
- Outstanding test-to-test repeatability
- Access to ECU diagnostic and calibration tools
- Variable time delay emissions measurement to enhanced accuracy
- Analytical modelling expertise to support experimental programmes
- Support from our expert engineering staff within the PVRC
Vehicle sizes for use on the dynamometer
- Vehicle track (max/min) 2.2/1.3m (outside tyres)
- Vehicle wheelbase (max/min) 4.5/2.1m
- Max. vehicle height 3m (door height 2.65m - taller vehicles would require slave wheels for entry/exit)
- Max. vehicle width 3.1m
- Access ramp 1.5m high by 8.2m long as illustrated below
Other sizes may be accommodated by special arrangement.
