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Intarat Naruemon, Long Liu, Dai Liu, Xiuzhen Ma and Keiya Nishida
In diesel engines, fuel mixing is an important process in determining the combustion efficiency and emissions level. One of the measures used to achieve fuel mixing is controlling the nature and behavior of the fuel spray by shaping the injection rate. T...
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Jun-Soo Kim, Won-Ju Lee, Van Chien Pham and Jae-Hyuk Choi
A numerical study was carried out to investigate the effects of injector spray angle (SA) and injection position (IP) on the combustion and emission characteristics of a two-stroke ME-GI marine engine at full load. Three-dimensional (3D) simulations of t...
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Zhijun Peng, Bin Liu, Weiji Wang and Lipeng Lu
A multi-pulse injection strategy for premixed charge compression ignition (PCCI) combustion was investigated in a four-valve, direct-injection diesel engine by a computational fluid dynamics (CFD) simulation using KIVA-3V code coupled with detailed chemi...
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Chuanxin Bai, Kai Liu, Tong Zhao and Jinjin Liu
Selective catalytic reduction (SCR) is currently one of the most efficient denitration technologies to reduce nitrogen oxide (NOx) emissions of diesel engines. AdBlue (urea water solution, UWS) is the carrier of the reducing agent of SCR, and the spray p...
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Jens Frühhaber, Christian Lieber, Dominik Mattes, Thomas Lauer, Rainer Koch and Hans-Jörg Bauer
Ammonia preparation from urea-water solutions is a key feature to ensure an effective reduction of nitrogen oxides in selective catalytic reduction (SCR) systems. Thereby, air-assisted nozzles provide fine sprays, which enhance ammonia homogenization. In...
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Christian Lieber, Rainer Koch and Hans-Jörg Bauer
The quantitative investigation of droplet laden turbulent flows at high temperature conditions is of great importance for numerous applications. In this study, an experiment was set up for investigation of evaporating urea?water sprays, which are relevan...
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