Millbrook is one of the most comprehensive test facilities in the world for conducting fully independent fuels and lubricants testing. Customers include petrochemical companies, vehicle fleet operators and passenger car, bus, truck and off-highway vehicle manufacturers.
Millbrook provides a one-stop shop for testing, so minimising customers’ management, vehicle and fuel transportation overheads.
Millbrook’s powertrain facilities include 16 engine test cells, 4 of which have been installed specifically for CEC fuel additive testing with ISO 17025 accreditation.
The tests examine the performance of a fuel and/or additive and its keep clean or clean-up potential. Measurements are based on a cleanliness rating or a power loss rating. CEC method capability:
Fuel blending capability up to 1,000L per batch.
Dynamometer testing facilities include a VTEC (Variable Temperature Emissions Chamber), a new 4WD climatic emissions chassis dynamometer and a 2WD hub dynamometer.
Real world drive cycles can be performed and logged and then run on the dynamometer under highly repeatable conditions.
The dynamometer facilities are used for emissions and fuel consumption measurement and mileage accumulation testing. They are also used for performance and durability evaluation of driveline lubricants through comparative testing.VTEC
Vehicle type: bus, truck and off-highway
The VTEC meets Federal and European specifications and is equipped with a 200kW, single roll 48-inch chassis dynamometer capable of handling large vehicles, with up to 20,000kg inertia simulation.
It operates at temperatures between −30°C and +50°C and is used to perform repeatable fuel consumption tests and accelerative performance testing.
The VTEC is also used for hot and cold start testing and driveability testing at extreme temperatures.
Vehicle type: light duty
Millbrook’s new 4WD climatic emissions chassis dynamometer operates at temperatures between −20°C and +50°C and is used to measure fuel consumption and emissions under repeatable conditions. It allows comparative measurements to be made in order to compare the effects of a fuel or lubricant against a baseline condition.
The chassis dynamometer is also used for driveability testing, supplementing on-track driveability tests in laboratory conditions.
Vehicle type: light duty
Used for mileage accumulation, power and torque assessment and to condition a vehicle with a particular fuel or lubricant. Typically used to perform fuel dirty-up or clean-up processes and to perform lubricant degradation tests.
Millbrook uses track testing and chassis dynamometers to assess driveline lubricants. These could be development or market ready lubricants designed to reduce fuel consumption while providing sufficient protection for driveline components.
Friction measurement and temperature profiling form the basis of comparative performance and durability testing in high and low ambient temperatures. Comprehensive tear-down facilities and high resolution photography allow rapid feedback of durability results to the customer.
Millbrook’s facilities include climatic and evaporative emissions chambers
Cold/hot start capability and noise/vibration evaluations of cold starts on light duty and heavy duty vehicles.
Millbrook can perform evaporative emissions tests to UNECE Regulation 83. The tests measure hydrocarbon emissions from the vehicle when it is not running.
Millbrook also has the capability to blend fuel with additives on-site under laboratory conditions.
Millbrook can manage the logistics of importing fuel in barrels, IBC’s, and tankers from international destinations and the UK.
Security in relation to the intellectual property of new formulations is given a high priority. Facilities are rigorously maintained to ensure no contamination takes place.
Millbrook’s safe and secure proving ground in the UK provides all the facilities required for mileage accumulation. Testing is conducted for accelerated durability and mileage accumulation, driveability assessment and fuel consumption measurement.
Fuel consumption tests judge the performance of a particular fuel or lubricant formulation against a baseline condition. Driveability tests are used to assess the performance of different fuel additives on a subjective basis.
Trained drivers conduct mileage accumulation on pre-determined routes for in-vehicle powertrain running-in (de-greening) and Public Road Simulation (PRS). The individual PRS modules replicate real world driving scenarios such as:
Driveability procedures assess aspects such as rough pulling away, surges, clean pickup, idle racing, deceleration fuel cut off quality, engine stumble and engine idle characteristics.
Millbrook can propose customised tests to cover specific drive cycles or can develop tests to include a number of individual modules such as urban, rush-hour and motorway.
Compared to public road testing, PRS has substantial health and safety benefits in relation to other road users. It also protects brand integrity in the event of a vehicle breakdown and makes vehicle retrieval more efficient and cost effective. Vehicles can be retrieved swiftly from anywhere on the site for immediate investigation in a secure workshop.
Powertrain accelerated testing emulates given mileages over a much shorter physical distance to measure, for example, the performance of new powertrain lubricant formulations.
Millbrook’s test track facilities greatly reduce the variables experienced in public highway testing, such as traffic impacts. This allows long and short term test assessments to be completed in a repeatable manner that can be later reproduced accurately. The repeatability of the environment makes it ideal for utilising Millbrook’s Portable Emissions Measuring Systems (PEMS) in development and unique applications.
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