نتایج جستجو برای: variable internal heat generation
تعداد نتایج: 1009331 فیلتر نتایج به سال:
In this paper an analysis is presented to understand the effect of non–Newtonian rheology, velocity slip at the boundary, thermal radiation, heat absorption/generation and first order chemical reaction on unsteady MHD mixed convective heat and mass transfer of Casson fluid past a wedge in the presence of a transverse magnetic field with variable electrical conductivity. The partial differential...
In this research study, the transient study of heat transfer through a convective-radiative porous fin is carried out considering temperature-dependent thermal conductivity and internal generation. The unsteady Galerkin weighted residuals technique employed to obtain temperatures fin. results indicate that increasing base temperature, generation and, lead increase along consequently higher temp...
Abstract: In traditional generation systems, energy from fuel is simply converted into electrical energy, while in the combined heat and power (CHP) systems, fuel energy, in addition to generating electricity, also generates thermal energy. Therefore, the efficiency of these systems is considerably higher than traditional systems, and this justifies the need for CHP systems. The emergence of CH...
Mathematical modelling of thermoelastic problem in a circular sector disk subject to heat generation
The present paper deals with the determination of temperature, displacement and thermal stresses in a circular sector disk defined as 0 ≤ r ≤ a , 0 ≤ φ ≤ φ0 < 2π, 0 ≤ z ≤ h under an unsteady-state temperature field, due to internal heat generation within it. The time dependent heat flux f1(φ, z , t ) is applied on the fixed circular edge (r = a ). For time t > 0, the boundary surfaces at (φ = 0...
In this paper,fluidity onset analysis in FG thick-walled spherical tanks under concurrent pressure loading and heat gradient has been presented. Designing thick-walled spherical tanks under pressure as tanks holding fluids under heat loads with high heat gradients require new approaches. Under high internal pressure and high temperature, the tank enters the plastic stage in a part of its thickn...
This analysis addresses the influence of activation energy on MHD flow second-grade nanoliquid over a convectively heated curved stretched surface. The impact heat generation/absorption, thermophoresis, and Brownian motion are also incorporated. current study in addendum reveals solution narrating nanofluid behaviour curve to better performance system. Hence, mathematical construction governing...
In this study, mixed convection heat transfer and local and global entropy generation in aventilated square cavity have been investigated numerically. The natural convection effect isachieved by a constant heat flux imposed at the bottom wall and cooled by injecting a coldfollow. In order to investigate the effect of port location, four different placementconfigurations of the inlet and outlet ...
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