Visualization and simulation study on impacts of wall roughness on spray characteristics of ducted fuel injection
Applied Thermal Engineering（2022）
摘要
•Duct confinement plays a dominant role in affecting spray characteristics.•A strong gas-fuel mixing is easily formed inside the duct by pumping effect.•Smooth-walled duct contributes to better spray characteristics than those of rough-walled duct.
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关键词
Wall roughness, Duct confinement, Spray diffusion, Gas-fuel mixing
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