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Rotor is a working part that adds energy to the fluid; its geometry plays a fundamental role in the centrifugal pump performance. Any change in the rotor geometry would have an effect on the impeller inlet or exit velocity triangles, which may cause a significant performance change. Hence the blade exit angle have very important role in the performance of the centrifugal pump. In this paper three...
In this paper, the turbulent flow over a triple forward facing step configuration was investigated numerically. To that end, numerical simulations are performed for 4 Re numbers and 36 different geometries. Turbulence is modeled in all simulations using the Standard k-?? model. The resulting flow field is examined in terms of pressure coefficient, vorticity and turbulent kinetic energy. Furthermore,...
Understanding transport and deposition of inhaled particles in the human airways plays a crucial role in the targeted therapy of pulmonary diseases, and the administration of inhaled medicines. Numerous researchers have studied the inhalation of particles using experiments or computer models. Even though experiments have shown that the airflow in the trachea and the upper branches of the lung is turbulent,...
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