Cambridge Viscometers Monitor Diesel Viscosity

Cambridge Viscometers has revealed that it is providing real-time viscosity monitoring of diesel fuel on common rail test stands at Delphi Automotive's facility in Park Royal, UK. Delphi supplies electronics and technologies for automotive, commercial vehicle and other market segments, and its site in Park Royal specialises in the development of high-precision fuel-injection equipment for commercial vehicles, enabling manufacturers to meet increasingly stringent emissions legislation.

Such real-time viscosity monitoring systems bring innovative approaches to age-old problems, Cambridge Viscosity said. At Delphi's Technical Centre in Park Royal, the viscometers from Cambridge Viscosity are installed on the test stands to monitor the changes to the viscosity of the fuel. These are installed before and after the injectors to monitor for any changes to the performance over time. Before purchasing the viscometers, technicians had to pull used fuel samples, send them for to the lab for analysis and wait for the results.

Now, in-process viscosity is measured in real time, which means changes in the system can be identified immediately rather than days later. Andrew Dodds, engine test department manager at Delphi, said the Cambridge viscometers were selected because they met all of the major engineering requirements criteria, including: real-time measurement capability - constant knowledge of the test fluid condition; industry standard output - ease of integration into the test stand; off-the-shelf technology - validated in numerous industrial applications; and low maintenance - maximum utilisation of the test stand. The units purchased by the Delphi heavy duty business were installed and operational on the test stand, producing useful data within hours of implementation.

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