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Rolls-Royce Completes Testing Of Latest E3E Engine Core

Evaluation Of Combustion System In Simulated Bad Weather Conducted In Germany

Rolls-Royce has successfully completed testing of the latest build of its new two-shaft engine core, known as Core 3/2d, the company said Tuesday. The tests, which are part of the E3E (efficiency, environment, economy) research program, were carried out in the altitude test facility at Stuttgart University.

Tests included operation of a lean burn combustion system in simulated bad weather during which Core 3/2d operated safely and successfully performed windmill re-lights in conditions equivalent to a tropical hailstorm. Emission and performance measurements and functional tests were also carried out. “These 40 hours of testing are another step forward in our continued work to develop environmentally friendly technologies," said Dr Karsten Mühlenfeld, Rolls-Royce, Director Corporate and Engineering, Germany. "These technologies will enable future Rolls-Royce engines to contribute significantly to the goal of the Advisory Council for Aeronautics Research in Europe (ACARE) of reducing nitrogen oxide emissions by 80 per cent by 2020.”
 
Technology developed as part of the E3E program forms the basis of the Rolls-Royce Advance2 future two-shaft engine programme, designed to reduce fuel-burn by 15 per cent, compared to similar engines currently in service. E3E lean burn combustion technology will also make a significant contribution towards meeting future emissions targets.
 
“The innovative combustor exceeded all expectations in terms of NOx reduction and engine stability under adverse operational conditions. Core 3/2d achieved emissions levels up to 60 per cent lower than current CAEP6 regulations,” said Dr Holger Klinger, Rolls-Royce, Chief Project Engineer Technology Programs, Germany.
 
The experiments are the last in a sequence of successful test campaigns, which began in 2008, and confirm the improved efficiencies offered by the all new E3E Core configuration.

(Image provided by Rolls-Royce)

FMI: www.rolls-royce.com

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