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Five parts including environment air supply duct, air supply structure, display cabinet, air return structure and environment air return duct were integrated and the modified two fluid model was employed to simulate the air flow and heat transfer in a vertical display cabinet with environment air supply. The temperature field characteristics were analyzed and the predicted temperatures were compared...
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...
ANSYS/FLOTRAN is a powerful tool used to solve the two-dimensional, three-dimensional fluid flow and heat transfer issues, based on the finite element method. In this paper, adopting the large general-purpose software ANSYS/FLOTRAN, to do the simulation study on air flow in two-dimensional diversion duct, getting the results of air flow field velocity vectors and pressure contours. This analysis directly...
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...
Deposition of asphaltenes can occur in the tubing, pipelines and surface facilities leading to operational problems and loss in production. Nevertheless, accurate predictions of asphaltene instability have been elusive. Therefore, simulations of oil-gas-water three-phase flow in different structural pipelines are presented using 3D Computational Fluid Dynamics to get the distribution of each phase...
In this study CFD simulation is done on two types of metallic duct design to investigate the pressure drop of flow through an elbow. The PU/PIR duct is new and fast growing integrated material of aluminum and insulation material compacted together to achieve thinner overall thickness as compared to conventional steel ducting with insulation wrapped around it. As compare with sheet metal duct fittings,...
Flow held numerical simulation of underwater torpedo launching was performed using the commercially available CFD software FLUENT based on the Reynolds averaged Navier Stokes equations and k-epsilon turbulence model. The computational domain includes flow field in launch tube and front of the submarine head. Axisymmetric model was used in the simulation and torpedo appendages such as fins, rudders...
Physical structure are compared between air-water plate heat exchangers (PHE) and tube-fin type heat exchangers in this paper, which show that the air-water PHE has the stable character in handling the cold air below 0degC because of its compact and knock-down structure. Then the courses of water being iced in the motionless state and in the flowing state were simulated by the CFD software Fluent...
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