A heat equation for freezing processes with phase change: stability analysis and applicationsDistributed parameter systemsstability analysisobserver designfreezing processIn this work, the stability properties as well as possible applications of a partial differential equation (PDE) with state-dependent ...
Phase relations in the system KAlSi 3O 8–NaAlSi 3O 8 at high pressure–high temperature conditions and their implication for the petrogenesis of lingunite Multi-anvil experiments have been made with the composition (K 0.2Na 0.8)AlSi 3O 8 at 14–25GPa and 1400–2400°C. These experiments...
TRANSFORMATION OF DIMENSIONLESS HEAT DIFFUSION EQUATION FOR THE SOLUTION OF DYNAMIC DOMAIN IN PHASE CHANGE PROBLEMS 来自 Semantic Scholar 喜欢 0 阅读量: 25 作者:M Ashraf,R Avila,SS Raza 摘要: In the present work transformation of dimensionless heat diffusion equation for the solution of moving ...
l = Latent heat for given phase change dp s = Change in system pressure at saturation dT = Change in system temperature Δα = Change in specific volumes between the two phases Clausius-Clapeyron Equation TΔ dT dp s l T C T (ºC) p (mb) 374 100 0 6.11 1013 221000 Liquid Vapor...
pressurepwith the temperatureT,whereas for the processes of fusion and polymorphic transformation,dT/dpdetermines the change in the transition temperature with the pressure. In other words, the Clausius-Clapeyron equation is a differential equation of the curve of phase equilibrium in terms of the ...
Study of the phase change processes of encapsulated phase change material for solar thermal energy storage in domestic hot water production This study aims to examine the melting processes of encapsulated PCM in a cylindrical-shaped capsule, made of stainless steel. It has a diameter of 60 mm a...
A Three~equation model is established to describe the drying process of a wet capillary porous media,which is a complicated process of heat and mass transfer with phase change supported by various theories such as osmosis,diffusion,heat transfer,capillary and phase change. This article demonstrates ...
The Laplace equation is a mixed boundary problem which involves a boundary condition for the applied voltage on the electrode surface and a zero-flux condition in the direction normal to the electrode plane. From: Computer Aided Chemical Engineering, 2019 ...
aApplying Equation (7) for each pipe segment in the system, a set of equations describing rate of change of mass flow rate in the entire system was developed. 运用式 (7) 为每管子段在系统,描述质量流率的变动的率一套等式在整个系统被开发了。[translate]...
The meaning of CLAPEYRON EQUATION is an equation relating to change of phase in a pure substance (as vaporization of a liquid) that gives the rate of change with temperature of the pressure at equilibrium between the phases in terms of the heat of transi