نتایج جستجو برای: computational fluid dynamics

تعداد نتایج: 867836  

2004
Olumuyiwa Owoyemi Luca Cammarata Paola Lettieri Derek Colman

2010
Fang Chen Hans Hagen

A central feature that scientists are interested in is the dynamics of fluid interfaces or the so called material boundaries in multi-fluid simulation . Visualization techniques for capturing fluid interface are based on one of about three basic algorithms. In this paper, we give a survey of the existing interface tracking algorithms, including backgrounds, terms, procedures as well as pointers...

2014
Ji Young Moon Dae Chul Suh Yong Sang Lee Young Woo Kim Joon Sang Lee

Despite recent development of computational fluid dynamics (CFD) research, analysis of computational fluid dynamics of cerebral vessels has several limitations. Although blood is a non-Newtonian fluid, velocity and pressure fields were computed under the assumptions of incompressible, laminar, steady-state flows and Newtonian fluid dynamics. The pulsatile nature of blood flow is not properly ap...

Journal: :international journal of nano dimension 0
a. j. ahrar department of mechanical engineering, ferdowsi university, mashhad, iran. m. h. djavareshkian department of mechanical engineering, ferdowsi university, mashhad, iran. v. kalantar department of mechanical engineering, university of yazd, yazd, iran.

in this research, some more applicable ferrofluids are produced and their mechanical specifications are measured, experimentally. also, their treatments in the ventilated cavity geometry are assessed numerically. the magnetite nanoparticles are produced by a chemical combination of fe2+ and fe3+ with nh3. in order to solve the nanoparticles in the new mediums, a proper coating is added to them....

In this article, a coupled computational framework is presented for the numerical simulation of mass transfer under the effects of natural convection phenomena in a field contains water-copper Nano-fluid. This CFD model is build up based on accurate algorithms for spatial derivatives and time integration. The spatial derivatives have been calculated using first order upwind and second order cen...

Journal: :IOP Conference Series: Materials Science and Engineering 2016

ژورنال: مهندسی دریا 2019

The biomimetic and hydrodynamic study of aquatic animals is one of the most challenging computational fluid dynamics topics in recent studies due to the complexity of body geometry and the type of flow field. The movement of the aquatic body, and particularly the tail section and the corresponding movement of fluid around the body, causes an unsteady flow and requires a comprehensive study of t...

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