Driving Cycle Simulation of a Turbocharged Gasoline Engine Equipped with a Variable Geometry Turbocharger and Cooled EGR System

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  • 可変容量ターボとCooled EGR を備えた過給ガソリン機関の 燃費シミュレーション
  • カヘン ヨウリョウ ターボ ト Cooled EGR オ ソナエタ カキュウガソリン キカン ノ ネンピ シミュレーション

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To investigate the reduction of fuel consumption in a downsizing gasoline engine equipped with a Variable Geometry Turbocharger (VGT), 1.6L VGT gasoline engine model was built with a Cooled Exhaust Gas Recirculation (EGR) system by using a 1D cycle simulation software (GT-POWER). As a result of comparing the conventional Waste-gate Turbocharger to a VGT in fuel efficiency of driving cycles (JC08 and WLTC), the potential to reduce the fuel consumption by the combination of VGT and Cooled EGR was found due to the decrease of pumping loss using a VGT.

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