The production process of clean hydrogen by iso-octane steam reforming in a micro-reactor under atmospheric pressure,and the high temperature was investigated.The simulation is done using momentum conservation,mass co...The production process of clean hydrogen by iso-octane steam reforming in a micro-reactor under atmospheric pressure,and the high temperature was investigated.The simulation is done using momentum conservation,mass conservation,and convection-diffusion equations,represented by the Navier-Stocks equations,the continuity equation,and the Steffan-Maxwell equation respectively.The resolution was performed using a differential equations discretization into their conservative by the finite element method with an unconditionally stable scheme.An analysis of the hydrodynamics of the flow effect shows that the hydrogen produced by iso-octane reforming is proportional to the mixed flow Reynolds number.展开更多
Numerical modeling of sea states has been developed for years,and used for varied fields such as coastal work sizing,navigation safety,beaches and water leisure stability study.The third-generation ocean wind-wave spe...Numerical modeling of sea states has been developed for years,and used for varied fields such as coastal work sizing,navigation safety,beaches and water leisure stability study.The third-generation ocean wind-wave spectral model WAVEWATCH III(WW3)software was adopted and developed to simulate wave propagation in the Mediterranean basin.In this work,a more detailed study was carried out on the port of Algiers.Two different atmospheric models have been used to get the wind forcing:ALADIN(Area Limited Dynamic Adaptation Inter National Development)with an 8 km resolution.And AROME(Application to Operational Research at Meso-scale)with a 3 km resolution.The results obtained using both of the atmospheric models have been compared and analyzed.展开更多
文摘The production process of clean hydrogen by iso-octane steam reforming in a micro-reactor under atmospheric pressure,and the high temperature was investigated.The simulation is done using momentum conservation,mass conservation,and convection-diffusion equations,represented by the Navier-Stocks equations,the continuity equation,and the Steffan-Maxwell equation respectively.The resolution was performed using a differential equations discretization into their conservative by the finite element method with an unconditionally stable scheme.An analysis of the hydrodynamics of the flow effect shows that the hydrogen produced by iso-octane reforming is proportional to the mixed flow Reynolds number.
文摘Numerical modeling of sea states has been developed for years,and used for varied fields such as coastal work sizing,navigation safety,beaches and water leisure stability study.The third-generation ocean wind-wave spectral model WAVEWATCH III(WW3)software was adopted and developed to simulate wave propagation in the Mediterranean basin.In this work,a more detailed study was carried out on the port of Algiers.Two different atmospheric models have been used to get the wind forcing:ALADIN(Area Limited Dynamic Adaptation Inter National Development)with an 8 km resolution.And AROME(Application to Operational Research at Meso-scale)with a 3 km resolution.The results obtained using both of the atmospheric models have been compared and analyzed.