نتایج جستجو برای: pr model temperature effect

تعداد نتایج: 3836145  

The aim of this paper is to investigate the effect of the variable thermal conductivity and the inclined uniform magnetic field on the plane Poiseuille flow of viscous incompressible electrically conducting fluid between two porous plates Joule heating in the presence of a constant pressure gradient through non-uniform plate temperature. It is assumed that the fluid injection occurs at lower pl...

2012
I. J. Uwanta Murtala Sani

The paper studied the transient convection fluid flow with heat flux in an infinite vertical plate with chemical mass transfer. The dimensionless governing equations were solved using the Laplace transform method to obtained the analytical expressions of velocity, temperature and concentration profiles of the fluid with expression of Skin friction, mass and heat transfer in terms of Shear stres...

2012
I. J. Uwanta M. Sani A. A. Ibrahim

This paper examines the MHD convection slip fluid flow with radiation and heat deposition in a channel in a porous medium. The dimensionless governing equations were solved using the perturbation technique to obtained the analytical expressions of velocity, temperature and concentration profiles of the fluid with expression of Skin friction, mass and heat transfer in terms of Shear stress, Nuss...

2006
Franz Huber

2. C (H, E, B) is a function of the values Pr (X | B) and Pr (Y | Z ∩B) assume on the at most 16 truth-functional combinations X, Y, Z of E and H . 3a. If Pr (E | H ∩B) < Pr (F | H ∩B) and Pr (E | B) = Pr (F | B), then C (H, E, B) ≤ C (H, F, B). 3b. If Pr (E | H ∩B) = Pr (F | H ∩B) and Pr (E | B) < Pr (F | B), then C (H, E, B) ≥ C (H, F, B). 4a. C (H, E ∩ F, B)−C (H, E ∩G, B) is determined by C...

Journal: :transport phenomena in nano and micro scales 2016
n. kishan c. kalyani m. chenna krishna reddy

the problem of steady magnetohydrodynamic boundary layer flow of an electrically conducting nanofluid due to an exponentially permeable stretching sheet with heat source/sink in presence of thermal radiation is numerically investigated. the effect of transverse brownian motion and thermophoresis on heat transfer and nano particle volume fraction considered. the governing partial differential eq...

Journal: :Physical review letters 1996
Takeshita Segawa Glazier Sano

We studied thermal turbulence in a low Prandtl number, Pr, fluid using liquid Hg (Pr ­ 0.024). For Rayleigh numbers (106 , Ra , 108), the histogram of temperature fluctuations at the center of the cell (aspect ratio 1), and the scaling laws for the Nusselt number and the large scale flow, all showed He-like hard turbulence. However, the cascade range of the frequency spectrum of the temperature...

Journal: :تحقیقات مهندسی کشاورزی 0
حمیدرضا گازر استادیار پژوهش موسسه تحقیقات فنی و مهندسی کشاورزی سعید مینایی دانشیار دانشکده کشاورزی دانشگاه تربیت مدرس.

the canola drying process was investigated using three laboratory scale dryers connected to a computer which continuously recorded the drying processes of each unit. a completely randomized design (crd) with three replications was used for the statistical analysis. the effect of temperature (40°, 50°, 60°c) and air velocity (1, 2 m/s) on the drying kinetics of a monolayer were studied. the effe...

In the present study, two-phase nanofluid flow in a three-dimensional system is modeled over a stretching infinite solar plate and the heat transfer analysis is performed for this problem. The governing equations are presented based on previous studies and the suitable solution method is recommended due to infinite boundary condition in the problem. Keller Box Method (KBM) using the Maple 1...

2014
AMRENDRA KUMAR CHAUDHARY SHAMIM AHMAD AVIJIT MAZUMDER

Objective: To evaluate the antiulcer activity of chloroform extract of Cedrus deodara and Pinus roxburghii wood (Cd C and Pr C, respectively). Methods: Cd C and Pr C at doses of 50 and 100 mg/kg were given orally to fasted rats and ulcers were induced by pyloric ligation and ethanol. Number of ulcer, ulcer score, ulcer index, percentage ulcer inhibition and tissue histology were measured in bot...

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