Application of Alcohol Fumigation to Diesel Tractor Engine (Part 2)

Operation of a Tractor Engine with Dual-fuel

Abstract

The purposes of this paper were to remodel a conventional tractor engine and to demonstrate the feasiblity of using alcohol as alternative fuel for the farm tractor with diesel engine. To investigate the performance of the dual-fuel engine and the static characteristic of the engine control system, a dynamometer was connected to the tractor through a PTO shaft. The performance of the dual-fuel tractor engine was measured in terms of PTO power, BSHC, smoke density, NO_x emission and engine noise. The dynamic characteristic of the engine control system was tested under rapid load changes through the release and depression of a clutch pedal. Furthermore, the field tests using a rotary tiller were carried out. The engine control system provided acceptable engine response to the varying load condition in field operation.