نتایج جستجو برای: hydrodynamic performance

تعداد نتایج: 1072666  

Journal: :iranian journal of basic medical sciences 0
farzaneh hajesmaeelzadeh biomolecular imaging analysis group, research center for molecular and cellular imaging, tehran university of medical sciences, tehran, iran department of medical physics and biomedical engineering, faculty of medicine, tehran university of medical science, tehran, iran saeed shanehsazzadeh radiation application research school, nuclear science and technology research institute, tehran, iran cordula grüttner micromod partikeltechnologie gmbh, friedrich-barnewitz-str. 4, d-18119 rostock, germany fariba johari daha radiation application research school, nuclear science and technology research institute, tehran, iran mohammad ali oghabian biomolecular imaging analysis group, research center for molecular and cellular imaging, tehran university of medical sciences, tehran, iran

objective(s):iron oxide nanoparticles have found prevalent applications in various fields including drug delivery, cell separation and as contrast agents. super paramagnetic iron oxide (spio) nanoparticles allow researchers and clinicians to enhance the tissue contrast of an area of interest by increasing the relaxation rate of water. in this study, we evaluate the dependency of hydrodynamic si...

2006
F. M. NAJJAR F. M. Najjar

Numerical simulations are used to investigate the effect of aspect ratio on the wake topology and hydrodynamic performance of thin ellipsoidal flapping foils. The study is motivated by the quest to understand the hydrodynamics of fish pectoral fins. The simulations employ an immersed boundary method that allows us to simulate flows with complex moving boundaries on fixed Cartesian grids. A deta...

ژورنال: مهندسی دریا 2019

Simulation of the flow around propeller is a complex fluid flow problem, especially when the propeller is close to free surface. In this study, the effect of different depths on the performance and efficiency of a B-Wageningen series close to surface of water have been numerically investigated. For this purpose the ANSYS-FLUENT commercial software has been used to solve the viscous, incompressi...

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