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With the rapid development of science and technology, energy shortage cannot be ignored and energy conservation and emission reduction has been paid worldwide attention. As an important technology of building energy efficiency, natural ventilation can not only meet the room comfort index, save the equipments and running costs, but also create sustainable development of green building environment....
Computational fluid dynamics (CFD) software FLUENT 6.3 has been employed in the present work to study the flow field and mixing process in a stirred tank equipped with four side-entering agitators. The multi-reference frame (MRF) and standard k-ε turbulent model were used in the simulation. The effects of tracer feeding, detecting positions and impeller speeds on mixing time were investigated. It...
Due to its simplicity in structure and reliability in performance, the valveless pulsejet may be the most ideal low cost propulsion system for small-sized aerospace vehicle. A series of numerical simulations are performed to understand the variation of flow field and to research the performance in china type valveless pulsejet. CFD software (CFX11.0) is used to numerically predict components length's...
This work presents a brief study about the wave energy as well as a computational modeling of an overtopping device. The numerical simulation was performed with the FLUENT® Computational Fluid Dynamic software code, employing the multiphase Volume of Fluid (VOF) model. The obtained results showed a satisfactory agreement between the numerical and analytical solutions, being the maximum difference...
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