Browse Publications Technical Papers 2002-01-1675
2002-05-06

Operability and Compatibility Characteristics of Advanced Technology Diesel Fuels: Pump Evaluations 2002-01-1675

Two different laboratory fuel-injection-pump durability-tests were conducted with four advanced technology test fuels. The first test used a relatively low pressure rotary, opposed piston fuel injection pump similar to those used on some current North American engines. The second test used a relatively high pressure common rail injection pump such as those used currently on some European engines. The tests were scheduled to operate for 500 hours under severe load conditions.
It can be concluded that the common-rail, high-pressure fuel pump is more sensitive to the advanced fuels than is the rotary pump in this severe duty-cycle test. Although the laboratory high frequency reciprocating rig (HFRR) tests were able to distinguish between those fuels that contained lubricity additives and those that did not, there was little correlation with pump durability results.

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