نتایج جستجو برای: constant wall temperature

تعداد نتایج: 806907  

Journal: :Circulation 1999
C Stefanadis L Diamantopoulos C Vlachopoulos E Tsiamis J Dernellis K Toutouzas E Stefanadi P Toutouzas

BACKGROUND Activated macrophages play an important role in the pathogenesis of acute ischemic syndromes. It has been postulated that detection of heat released by activated inflammatory cells of atherosclerotic plaques may predict plaque rupture and thrombosis. Previous ex vivo studies have shown that there is thermal heterogeneity in human carotid atherosclerotic plaques. METHODS AND RESULTS...

2004
J. P. CHIOU

The problem of laminar, natural convection flow over a vertical f rus tum of a cone is treated in this paper. The thermal boundary condition at the wall include both the constant wall temperature and the constant wall heat flux cases. The governing differential equations are solved by a combinat ion of quasilinearization and finitedifference methods. Numerical solutions are obtained for a range...

Milad Zare Mahmoudabadi Mohammad Mahdi Heyhat,

Application of nanofluid and coiled tubes are two passive methods for increasing the heat transfer. In the present study, the turbulent flows of water and nanofluid in coiled tubes heat exchanger were numerically studied. CuO-water nanofluid containing 1 vol% copper oxide nanoparticles was used and single-phase approach was considered for nanofluid flow. The effect of different geometrical para...

Journal: :The Journal of Physical Chemistry 1898

ژورنال: مواد پرانرژی 2020

In this paper investigates an energetic imidazolium ionic liquid plasticizer (ILP)  effect on the degradation kinetics of nitrocellulose, which is a important component of double based solid propellants. For better comparison and evaluation, diethyl phthalate (DEP) plasticizer, which has a structure similar to ILP, was also evaluated. Heat of combustion analysis was performed to evaluate the en...

Journal: :journal of nanostructures 2012
a. a. abbasian arani j. amani m. hemmat esfeh

a numerical study has been done through an al2o3–water in a double lid-driven  square  cavity with various  inclination  angles  and discrete heat sources. the top and right moving walls are at low temperature. half of  the  left and bottom walls are  insulated and  the  temperatures of the other half are kept at high. a large number of simulations for a wide  range  of richardson  number  of  ...

In this paper, natural convection heat transfer of CuO-water Nanofluid within a wavy-walled cavity and subjected to a uniform magnetic field is examined by adopting the lattice Boltzmann model. The left wavy wall is heated sinusoidal, while the right flat wall is maintained at the constant temperature of Tc. The top and the bottom horizontal walls are smooth and insulated against heat and mass....

Journal: :European Physical Journal C 2021

Abstract We study the temperature dependence of $$a_1$$ a 1 meson-nucleon coupling constant in framework soft-wall AdS/QCD model with thermal dilaton field. Profile functions for axial-vector and fermion fields AdS-Schwarzschild metric are presented. It is constructed a...

2001
P. M. Coelho Roberto Frias F. T. Pinho P. J. Oliveira

The fully-developed thermal and hydrodynamic steady laminar pipe flow of the SPTT fluid is here investigated for the constant wall temperature boundary condition, assuming constant properties and negligible axial conduction. Two limiting conditions were identified: the solution pertaining to the equilibrium between axial convection and radial conduction of thermal energy, and the solution of th...

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