نتایج جستجو برای: injection velocity

تعداد نتایج: 296385  

This study deals with the three-dimensional flow of a chemically reacting magnetohydrodynamic Sisko fluid over a bidirectional stretching surface filled with the ferrous nanoparticles in the presence of non-uniform heat source/sink, nonlinear thermal radiation, and suction/injection. After applying the self-suitable similarity transforms, the nonlinear ordinary differential equations are solved...

Journal: :Physical review letters 2002
B S V Patnaik G W Wei

This Letter introduces a control strategy for taming the wake turbulence behind a cylinder. An angular momentum injection scheme is proposed to synchronize the vertical velocity field. We show that the base suction, wake formation length, absolute instability, and the Kármán vortex street are effectively controlled by the angular momentum injection. A control equation is designed to implement t...

Journal: :journal of biomedical physics and engineering 0
m javidi of mechanical engineering, iran university of science and technology, tehran 16846 m heydari a karimi m haghpanahi m navidbakhsh a razmkon shiraz neuroscience research center, department of neurosurgery, shiraz, iran

background and objective: in magnetic fluid hyperthermia therapy, controlling temperature elevation and optimizing heat generation is an immense challenge in practice. the resultant heating configuration by magnetic fluid in the tumor is closely related to the dispersion of particles, frequency and intensity of magnetic field, and biological tissue properties. methods: in this study, to solve h...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه - دانشکده کشاورزی 1393

پایین بودن ظرفیت گرمای ویژه ی هوا و همچنین، پایین بودن ضریب انتقال حرارت جابه جایی مابین سیال هوای عبوری از مجرای کالکتور و صفحه ی جاذب حرارت، از مشکلات اصلی استفاده سیال هوا در کالکتورهای تخت خورشیدی می باشد. ایجاد ناهمواری در زیر صفحه ی جاذب حرارت از جمله روش های موثر در افزایش ضریب انتقال حرارت جابه جایی، شکستن زیرلایه ی آرام، به منظور افزایش سطح و زمان تماس هوا با صفحه ی جاذب حرارت در جریان...

1998
Terrence W. Simon

Measurements of mean velocity, turbulence intensity, and turbulent shear stresses are presented for the mixing region of a film cooling situation in which the coolant is laterally injected. Measurements are performed using triple-wire anemometry so that all three mean velocity components are documented. Such measurements also give Reynolds stress terms in the flow field. Flow with one row of fi...

2005
Alper Ozturk Baki M. Cetegen

Transport model of droplets injected axially or transversely into a plasma jet is presented. The droplets contain a ceramic precursor that precipitates in the vaporizing droplets. Droplet temperature and solute concentration distributions were predicted to estimate precipitation zones based on a homogeneous nucleation hypothesis. Effects of droplet size, injection velocity and injection angle w...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2002
Alain Barrat Emmanuel Trizac

We present molecular dynamics simulations of monodisperse or bidisperse inelastic granular gases driven by vibrating walls, in two dimensions (without gravity). Because of the energy injection at the boundaries, a situation often met experimentally, density and temperature fields display heterogeneous profiles in the direction perpendicular to the walls. A general equation of state for an arbit...

Journal: :Entropy 2016
LaVar King Isaacson

Abstract: Additional entropy generation rates through non-equilibrium ordered structures are predicted for corner flows with sidewall mass injection. Well-defined non-equilibrium ordered structures are predicted at a normalized vertical station of approximately eighteen percent of the boundary-layer thickness. These structures are in addition to the ordered structures previously reported at app...

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