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Rolls-Royce and British Airways
have launched a scientific test programme to investigate the viability of alternative fuels for the aviation industry.
The in-depth study will seek to identify practical alternatives to the current industry-standard fuel kerosene, with the potential to make real
reductions to the carbon footprint of aircraft.
The companies will initiate a joint tender process, inviting suppliers to offer alternative fuel samples for testing on a Rolls-Royce RB211 engine
from a British Airways Boeing 747. The tests will be carried out on an indoor engine test bed at the Rolls-Royce facility in Derby,
England.
Testing the engine in the controlled environment of a Rolls-Royce test bed enables more
detailed data to be gathered than would be possible on
an actual flight because additional instrumentation can be used and performance and emissions will not be affected by other external factors.
Following the tender process, there will be a selection of up to four alternative fuels, which will undergo laboratory testing before being delivered
to Rolls-Royce in the new year. Each company will be asked to supply up to 60,000 litres of their alternative fuel.
This will be followed by intensive trials, during which the aero-engine will be powered by the alternative fuels and its performance compared to
running on conventional kerosene. In each case, the engine will be operated through its full range of power settings including idle, acceleration,
take off and cruise.
Testing is expected to be complete by the end of March 2009 after which the results will be analysed and
reported.
Ric Parker, Director of Research and Technology at Rolls-Royce,
said, “The key criteria for the selection of the alternative fuels will be their
suitability, sustainability and industrial capability.
“It is critical that the fuel can not only do the job required of it, but can also offer a CO2 benefit and be produced without a detrimental impact to
food, land or water. There must also be clear evidence of the potential for mass production and global distribution of an alternative fuel to
support the world’s aviation industry.”
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