نتایج جستجو برای: Convective condition

تعداد نتایج: 330622  

Journal: :journal of computational & applied research in mechanical engineering (jcarme) 2013
aminreza noghrehabadi mohammad ghalambaz amin samimi

in this paper, an integration of a symbolic power series method - padé approximation technique (ps - padé), was utilized to solve a system of nonlinear differential equations arising from the similarity solution of laminar thermal boundary layer over a flat plate subjected to a convective surface boundary condition. as both boundary conditions tended to infinity, the combination of series solut...

Journal: :Physical review letters 2000
Toschi Leveque Ruiz-Chavarria

Motivated by recent experimental and numerical results, a simple unifying picture of intermittency in turbulent shear flows is suggested. Integral structure functions (ISF), taking into account explicitly the shear intensity, are introduced on phenomenological grounds. ISF can exhibit a universal scaling behavior, independent of the shear intensity. This picture is in satisfactory agreement wit...

2008
Stefan Diehl

Abstract. The paper focuses on the uniqueness issue for scalar convection-diffusion equations where both the convective flux and diffusion functions have a spatial discontinuity. An interface entropy condition is proposed at such a spatial discontinuity. It implies the Kružkov-type entropy condition presented by Karlsen et al. [Trans. Royal Norwegian Society Sci. Letters 3, 49 pp, 2003]. They p...

Journal: :international journal of advanced design and manufacturing technology 0
yashar bashirzadeh islamic azad university, science and research branch nariman ashrafi

the present experimental study reports on enhancement of heat transfer by addition of nanoparticles to the working fluid of commercial swimming pool heat exchangers under laminar flow condition. three different concentrations of titanium dioxide nanoparticles were added to the water as working fluid of a typical forced convective heat exchanger used to transfer heat to public swimming pools. th...

Journal: :The Journal of the Acoustical Society of America 2012
Bradley E Treeby Jiri Jaros Alistair P Rendell B T Cox

The simulation of nonlinear ultrasound propagation through tissue realistic media has a wide range of practical applications. However, this is a computationally difficult problem due to the large size of the computational domain compared to the acoustic wavelength. Here, the k-space pseudospectral method is used to reduce the number of grid points required per wavelength for accurate simulation...

Journal: :Quarterly of Applied Mathematics 1982

In present study, the desorption process of hydrogen from an industrial scale metal hydride tank with the thermal jacket system has been simulated. Commercial Fluent 6.3 code is used to solve the set of differential equations. The thermal equilibrium condition is considered between hydrogen gas and metal solid bed. In addition the hydrogen flow obeys the ideal gas condition. The effects of hot ...

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