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Lack of precision and inconsistencies in existing correlations, an attempt was successfully made to develop a new and more mechanistically based correlation (Kattan, 1996 [1]) for boiling inside plain tubes. This new general correlation is original in that ...
This paper discusses the construction of a dynamic energy balance equation using boundary conditions conventionally defined for a thermodynamic system. With routine modifications, the equation can be applied to a wide variety of engineering systems. The eq ...
Inverse methods can be used in solidification and related processes for the estimation of boundary conditions or physical properties of materials. For heat flow problems, these methods are based upon a minimisation of the errors between calculated and meas ...
This paper discusses the construction of a dynamic energy balance equation using boundary conditions conventionally defined for a thermodynamic system. With routine modifications, the equation can be applied to a wide variety of engineering systems. The eq ...
As part of a comprehensive study on factors affecting flow boiling in horizontal tubes, local boiling heat transfer coefficients were measured for R- 134a evaporating inside the same 12.00 mm bore, plain tube for horizontal flow, vertical upflow and vertic ...
Variable-temperature scanning tunneling microscopy has been applied to study kinetic processes involved in epitaxial growth. This paper concentrates on nucleation and aggregation of submonolayer Ag films on a Pt(lll) surface. From island density versus tem ...
Particle and heat transport in a low collisional plasma confined by a partially stochastic magnetic field are analysed. We show that the particle diffusion is ambipolar. Moreover near stochastic threshold, the electron heat diffusivity chi(e) is enhanced, ...
The dependence of the dispersion parameter α and of the time dependent diffusion parameter DH(tL) (estimated over a fixed diffusion length L) on annealing temperature Ta was investigated with elastic-recoil detection analysis (ERDA) in an undoped a-Si:H sa ...
We present a new method to determine surface diffusion constants using specular reflected thermal helium scattering. The specular reflected helium intensity is recorded in real time as a function of surface coverage of the adsorbate and surface temperature ...
A proof of existence is given for a stationary model of alloy solidification. The system is composed of heat equation, solute equation and Navier-Stokes equations. In rite latter Carman-Kozeny penalization of porous medium models the mushy zone. The proble ...