نتایج جستجو برای: local thermal non

تعداد نتایج: 1972065  

The impact of different energy storages on power systems has become more important due to the development of energy storage technologies. This paper optimizes the stochastic scheduling of a wind-based multiple energy system (MES) and evaluates the operation of the proposed system in combination with electrical and thermal demand-response programs and the three-mode CAES (TM-CAES) unit. The prop...

2013
Xiao-Long Ouyang Kambiz Vafai Pei-Xue Jiang

In the present study, analytical solutions for thermally developing flows in porous media under local thermal non-equilibrium (LTNE) condition are derived for different fundamental models. The analytical solutions are validated by comparison with the numerical results. Based on the analytical solutions, the local Nusselt number is obtained, and the dimensionless thermal entry length nc is predi...

2016
Antonella De Pasquale Davide Rossini Rosario Fazio Vittorio Giovannetti

Thermodynamics relies on the possibility to describe systems composed of a large number of constituents in terms of few macroscopic variables. Its foundations are rooted into the paradigm of statistical mechanics, where thermal properties originate from averaging procedures which smoothen out local details. While undoubtedly successful, elegant and formally correct, this approach carries over a...

1998
Sean A. Hayward

A generally relativistic theory of thermodynamics is developed, based on four main physical principles: heat is a local form of energy, therefore described by a thermal energy tensor; conservation of heat, or the local first law, equivalent to conservation of mass; entropy is a local current; and non-destruction of entropy, or the local second law. A fluid is defined by the thermostatic energy ...

Journal: :Monthly Notices of the Royal Astronomical Society 2015

Journal: :International Journal of Mathematical Modelling and Numerical Optimisation 2020

Journal: :journal of petroleum science and technology 2015
hamid reza bozorgzadeh

the direct conversion of methane to c2 hydrocarbons, in a quartz tube reactor enforced by a dc corona discharge, was investigated at atmospheric pressure. the process was carried out in the presence of metal oxide catalysts of mn/w/sio2, mn/w/sio2 (tetraethyl orthosilicate, teos), and mn/w/cnt (supported on carbon nanotubes). the total yield to c2 hydrocarbons in the presence of metal oxide cat...

2014
C. Sung C. Gao J. E. Rice H. J. Sun M. L. Reinke N. T. Howard D. Mikkelson A. E. Hubbard M. A. Chilenski J. R. Walk J. W. Hughes P. C. Ennever M. Porkolab A. E. White L. Delgado-Aparicio S. G. Baek W. L. Rowan M. W. Brookman M. J. Greenwald R. S. Granetz S. W. Wolfe E. S. Marmar

Non-local heat transport experiments were performed in Alcator C-Mod Ohmic L-mode plasmas by inducing edge cooling with laser blow-off impurity (CaF2) injection. The non-local effect, a cooling of the edge electron temperature with a rapid rise of the central electron temperature, which contradicts the assumption of “local” transport, was observed in low collisionality linear Ohmic confinement ...

   The present article describes the effects of thermal radiation and heat source/sink parameters on the mixed convective magnetohydrodynamic flow of a Casson nanofluid with zero normal flux of nanoparticles over an exponentially stretching sheet along with convective boundary condition. The governing nonlinear system of partial differential equations along with boundary conditions...

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