نتایج جستجو برای: local thermal non

تعداد نتایج: 1972065  

Journal: :Journal of Mines, Metals and Fuels 2022

The domination by Local Thermal Non-Equilibrium (LTNE) with regard to the onset of Darcy-Rayleigh-Benard-Marangoni (DRBM) convection swayed magnetic field in a composite layer set-up is studied pertinent incompressible fluid. precinct above fluid presumed be free and that below porous rigid. Regular perturbation technique exercised on acquired problem achieve analytical solution taking adiabati...

The lattice Boltzmann method (LBM) was used to analyze two-dimensional (2D) non-Fourier heat conduction with temperature-dependent thermal conductivity. To this end, the evolution of wave-like temperature distributions in a 2D plate was obtained. The temperature distributions along certain parts of the plate, which was subjected to heat generation and constant thermal conductivity condit...

In this study, we analysed the thermal performance, thermal stability and optimum design analyses of a longitudinal, rectangular fin with temperature-dependent, thermal properties and internal heat generation under multi-boiling heat transfer using Haar wavelet collocation method. The effects of the key and controlling parameters on the thermal performance of the fin are investigated. The therm...

1999
J.-J. Shu

A theoretical study is presented in this paper to investigate the conjugate heat transfer across a vertical ®nite wall separating two forced and free convection ̄ows at different temperatures. It is assumed that the heat conduction in the wall is only in the transversal direction. We also assume that countercurrent boundary layers are formed on the both sides of the wall. The governing equation...

2009
Tomaž Prosen Bojan Žunkovič

Abstract. We generalize the method of third quantization to a unified exact treatment of Redfield and Lindblad master equations for open quadratic systems of n fermions in terms of diagonalization of 4n × 4n matrix. Non-equilibrium thermal driving in terms of the Redfield equation is analyzed in detail. We explain how to compute all physically relevant quantities, such as non-equilibrium expect...

تقوائی, حسن, طاهباز, منصوره, متقی پیشه, سمانه,

Since the advent of modern methods and new constructional approaches in architecture and landscape architecture, traditional architecture techniques which were based on utilizing natural energies have been completely set aside. In this case, the art of Iranian gardening has a great deal of valuable achievements and experiences which need to be reconsidered. Owing to its special geographic situa...

Journal: :چغندرقند 0
صادق جلالی مرکز تحقیقات کشاورزی اصفهان محمود اخوت استاد دانشکده کشاورزی دانشگاه تهران غلامحسین مصاحبی استاد دانشکده کشاورزی دانشگاه تهران محمد ناصر ارجمند مؤسسه تحقیقات چغندرقند

two different viruses were isolated from sugar beet growing areas in karaj, which caused mosaic symptoms. collected samples were classified in two different groups. the host range of the first group was confined to some species in chenopodiaceae and amaranthaceae families. the sap of infected plants reacted positively with beet mosaic virus antisera in ouchterlony double-diffusion test. electro...

Journal: :MAT Serie A 2008

In this paper, the non-Fourier heat conduction in a semi-infinite body was examined. The heat wave non-Fourier heat conduction model was used for thermal analysis. Thermal conductivity was assumed temperature-dependent which resulted in a non-linear equation. The heat source was also considered temperature-dependent which resulted in a non-homogeneous equation. The Mac-Cormack predictor-correct...

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