Capability

• Large test cell: L13m × W6.5m × H3.5m
• A high performance 4WD chassis dyno for emissions testing
• Ambient temperature range of -20 to +50ºC
• Compliant with current and known future European Federal and Japanese light duty emissions regulations including the WLTP
• Separate exhaust extract system for when not wanting to use the emissions system
• Suitable for gasoline, diesel, LPG, CNG, hybrid, electric and hydrogen vehicles
• Connected to 12 vehicle soak bays

Dynamometer Specifications

• 4 wheel drive centre mounted motor
• Roller diameter: 1.22m (48”)
• Wheelbase range: 1.8m to 4.6m
• Inertia range: 454kg (800kg in 4WD) – 5448kg over WLTC
• Max operating speed: 250 km/h
• Max axle load 4500kg
• Continuous power: 220kw per axle 2WD, 330kW 4WD (total)
• Overload power (10s): 432kW per axle 2WD, 648kW 4WD (total)
• Continuous tractive effort: 7333N per axle 2WD, 11000N 4WD (total)
• Overload tractive effort (10s): 14666N per axle 2WD, 21600N 4WD (total)
• Dynamic gradient simulation for 3,500 kg inertia, at least 20%
• Simple restraint system has no vertical or lateral load on vehicle. Flexible approach to allow wide variety of vehicles to be tested

Emissions Equipment

• AVL PUMA with IGEM operating system
• 4 phase multi-phase CVS sample system up to 30m3 flow
• Bag bench: THC, Methane, CO, NOx, NO, NO2, N2O, CO2
• Tailpipe and engine emissions bench (1Hz): THC, Methane, CO, NOx, NO, NO2, N2O, O2, CO2
• EGR on engine bench
• SESAM FTIR (5Hz) – NO, NO2, N2O, NH3, CO2, CO, CH4, alcohols, carbonyls
• Dilute CVS CO2
• Particulate mass applicable for Euro 4 (phases and backups) and Euro 6 single filter across all phases
• Dilute Particle number counter
• State of charge measurement and correction for 12v and HV traction electrical systems
• Heated and insulated CVS tunnel for Federal tests

Speed Tracking Fan

• Speed tracking fan frontal area of 0.5m2 up to 140km/h and 0.3m2 at 200km/h
• Adjustable up and down to match vehicle height
• Frontal vanes to be able to be angled
• Fan able to be placed in set speed modes
• Fan calibration meets regulatory requirements as a minimum

Environmental Performance

• Temperature range: -20°C to +50°C
• Climatic control to +/-1.5°C over test cycles measured at air onto vehicle
• Heat absorption: 250kW @ 20°C, 150kW @ -7°C, 50kW @ -20°C
• Temperature set-point rate of change minimum criteria: 30°C/hour if temperature >0°C, 20°C/hour if -20°C< temperature < 0°C, 1 hour from -10°C to +20°C
• Vehicle soak temperature range: +10°C to +30°C