自家発電装置用ディーゼルデュアルフュエルエンジンの開発(熱工学,内燃機関,動力など)
2002
The Diesel Dual Fuel (DDF) system is a diesel fuel ignition type natural gas engine, which ignites and burns the mixture of the natural gas with the self-ignition flame of a pilot diesel fuel injected directly into the combustion chamber. This engine with the EGR cooler, VG Turbocharger and Catalytic Converter installed, controlled the supply volume of natural gas and of diesel fuel respectively with the most optimized balance. As a result, It is effective to the thermal efficiency improvement of the engine to maintain an excessive air ratio of the natural gas to be high, and it met stringent stationary internal combustion engine NOχ guidelines such as in the Metropolis of Tokyo or Osaka City etc., while achieved nearly equal thermal efficiency with the base diesel engine.
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