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Axial flow fan is extensively applied in automation control systems for cooling. Improving the rotational speed is undoubtedly an effective method to achieve higher total pressure and larger flow rate. In this paper, the performance of axial flow fan under high rotational speed is investigated by using Computational Fluid Dynamics (CFD). Ffowcs Williams and Hawkings (FW-H) model is used to capture...
To decrease the need for fossil fuels, the alternative energy resources must be not only economically viable but also sustainable in the long term. One of the most promising alternatives is the marine renewable energy resource. The relatively young marine energy industry is presented with two challenges: first, to deliver a continuous reliable power supply, and second, to minimize potentially harmful...
This study presents three-dimensional numerical simulations of a cross-flow vertical-axis marine current turbine (straight-bladed Darrieus type) with particular emphasis on rotor-performance prediction and hydrodynamic characteristics. Numerical investigations of a model turbine (power coefficient and flow behaviour) were undertaken using developed computational models. Turbine design was studied...
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