Diesel Engine Endurance Tests Using JP-8 Fuel Blended With Used Engine Oil.
Abstract
Tests were done to examine the feasibility of disposing of used engine oil from military vehicles by blending it with JP- 8 engine fuel to be used in diesel vehicles. Two Army diesel engines were evaluated in cyclic endurance dynamometer test procedures using JP-8 fuel blended with 7.5% vol used oil. Results were compared to baseline performance using neat JP-8 fuel. The following major differences were observed when using blended fuel: Significant ashy deposits were found in the pre-combustion chamber of the 4-cycle diesel engine; indications of imminent exhaust valve burning (streaking) were found on the exhaust valves in the 2-cycle diesel engine. For both engines, condition was such that continuous use of 7.5 %vol blend would not be recommended. Considering it would take between 19-68 years for an Army engine to reach the end of endurance test condition, use of blended fuel 1 or 2 times per year is judged acceptable from an endurance standpoint.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jul 01, 1998
- Accession Number
- ADA349754
Entities
People
- Cynthia F. Palacios
- Douglas M. Yost
- Edwin A. Frame
Organizations
- Southwest Research Institute