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Friday, April 8, 2011

NASA Tests Chicken Fat-Based Jet Fuel Using DC-8 Airborne Laboratory
By BNO News
NASA on Monday announced that a group of scientists from its Langley Research Center traveled cross-country this month for an experiment with eco-friendly jet fuel made out of chicken fat.

The Langley team drove 2,600 miles (4,184 kilometers) from Hampton, Virginia, to meet up with other researchers at NASA’s Dryden Flight Research Center in California, while testing the biofuel on a NASA DC-8 to measure its performance and emissions as part of the Alternative Aviation Fuel Experiment II, or AAFEX II.

The fuel is called Hydrotreated Renewable Jet Fuel, and AAFEX II project scientist Bruce Anderson explained it is made out of chicken fat.

“The Air Force bought many thousands of gallons of this to burn in some of their jets and provided about 8,000 gallons (30,283 liters) to NASA for this experiment,” Anderson said.

Anderson and his team will test a 50-50 mix of biofuel and regular jet fuel, biofuel only, and jet fuel only. The jet fuel is Jet Propellant 8, or JP-8, a kerosene-like mix of hydrocarbons.

Two of the group’s scientists traveled in a specially RV equipped 32-foot (9.75 meter) van on loan from Langley’s Aviation Safety Program. It was dubbed “EM-50″ by researchers after the urban assault vehicle used in the 1981 comedy “Stripes” that starred Bill Murray.

Three more researchers from Langley flew to the experiment, and researchers from Dryden and NASA’s Glenn Research Center in Ohio have key roles as well. The effort includes investigators and consultants from private industry, other federal organizations, and academia. In all, 17 organizations are participating in AAFEX II.

Previously, researchers in the AAFEX I project in 2009 tested two synthetic fuels derived from petroleum-based coal and natural gas.

On this occasion, Glenn researchers shipped instruments that will be used to measure particulate and gaseous emissions.

“AAFEX II will provide essential gaseous and particulate emissions data as well as engine and aircraft systems performance data from operation of the DC-8 on a fuel produced from a renewable resource,” said Glenn’s Dan Bulzan, who leads clean energy and emissions research in NASA’s Subsonic Fixed Wing Project.

“The use of alternative fuels, including biofuels, in aircraft is a key element for substantially reducing the impact of aviation on the environment and for reducing the dependency on foreign petroleum,” said Glenn’s Ruben Del Rosario, manager of NASA’s Subsonic Fixed Wing Project, which is conducting the tests.

Testing is being done at a time when the U.S. military has set a goal of eventually flying its aircraft using 50 percent biofuel.

The Air Force is currently engaged in certifying its fleet to operate on a 50-percent blend of the same fuel being tested in AAFEX II. Meanwhile, some military cargo and fighter planes already use alternative fuels.

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