The predictive capability of two different numerical cavitation models accounting for the onset and development of cavitation inside real-sized diesel nozzle holes is assessed on the basis of the referenced experiment...The predictive capability of two different numerical cavitation models accounting for the onset and development of cavitation inside real-sized diesel nozzle holes is assessed on the basis of the referenced experimental data.The calculations performed indicate that for the same model assumptions,numerical implementation,discretization scheme,and turbulence grid resolution model,the predictions for differently applied physical cavitation submodels are phenomenologically distinct from each other.We present a comparison by applying a new criterion for the quantitative comparison between the results obtained from both cavitation models.展开更多
基金Supported by the National Natural Science Foundation of China(51176057)the Specialized Research Fund for the Doctoral Program of Higher Education of China(20100142110081).
文摘The predictive capability of two different numerical cavitation models accounting for the onset and development of cavitation inside real-sized diesel nozzle holes is assessed on the basis of the referenced experimental data.The calculations performed indicate that for the same model assumptions,numerical implementation,discretization scheme,and turbulence grid resolution model,the predictions for differently applied physical cavitation submodels are phenomenologically distinct from each other.We present a comparison by applying a new criterion for the quantitative comparison between the results obtained from both cavitation models.