A new Hydrotreated Vegetable Oil (HVO) from the camelina plant has been processed into a Hydrotreated Renewable Jet (HRJ) fuel. This HRJ fuel was tested in an extensively instrumented legacy military diesel engine along with conventional Navy jet fuel JP-5. Both fuels performed well across the speed-load range of this HMMWV engine. The high cetane value of the HRJ leads to modestly shorter ignition delay. The longer ignition delay of JP-5 delivers shorter overall combustion durations, with associated higher indicated engine torque levels. Both brake torque and brake fuel consumption are better with conventional JP-5 by up to ten percent, due to more ideal combustion characteristics.
Volume Subject Area:
Fuels and Infrastructure (Including Biofuels)
Topics:
Diesel engines,
Fuels,
Military systems,
Brakes,
Combustion,
Engines,
Ignition delay,
Torque,
Fuel consumption,
Jet fuels,
Navy,
Stress,
Vegetable oils
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