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The computational domain model of a certain carbon canister was established, the internal structure of carbon was simulated by porous medium and the internal flow fields of the carbon canister's adsorption and desorption processes under two different operating conditions were numerically simulated by FLUENT. The results show that, the PSID between adsorption orifice and atmospheric orifice of the...
The airflow field has decisive effect on how to manage the system to be in good performance. Moreover, it is significant for energy saving and environmental protection. The three dimensional air-flow fields in the V-type heat exchanger was studied by computational fluid dynamics(CFD). In the model, the fin-tube heat exchanger was looked at a porous medium. Numerical results were testified by the experimental...
The internal ring matrix distribution of many special ceramic porous medium tubes on a circular plate constitutes an adsorbent device, which can retain nanoparticles aerosol agglomerate by the way of collision, adsorption and diffusion in the process of mass transfer. In this paper, the behavior of industrial flue dust diffusion in the ceramic porous medium device is researched by computational fluid...
The simulation method of CFD was used to investigate the gas pressure and velocity 3D field of tower continuous vacuum dryer. The standard turbulence model was adopted. Material zone was set as porous medium zone. Darcy law, Ergun equation and porous medium interface jump boundary condition was applied. The result shows that the pressure of vacuum outlet should lower the pressure of material inlet...
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