1975-02-01

DIRECT UTILIZATION OF CRUDE OIL AS A FUEL FOR HIGH-SPEED DIESEL ENGINES 750762

Crude oils with a wide range of properties were investigated for direct use as fuel in U. S. Army high-speed four-cycle diesel engines. Crude oil properties were divided into two groups; 1. those properties which would be of importance for short-term operational effects, and 2. those properties whose effects would manifest during longer-term operation. Effects of crude oil use on engine subsystem hardware such as fuel filters and fuel injection pumps were investigated. Performance and combustion data were determined using pre-cup and direct injection configurations of the single cylinder CLR diesel engine operating on various crude oils. Performance data, wear and deposition effects of crude oil use were obtained using the TACOM single cylinder diesel engine. Results of this investigation showed that a wide range of crude oils with proper selection and pretreatment are feasible emergency energy sources for U. S. Army four-cycle high-speed diesel engines.

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