A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Abstract Equilibrium properties of an isolated physical system are obtained theoretically by minimizing the total free energy of the system. A pheno-menological approach employs the framework of equilibrium thermodynamics, whereas a microscopic model would be evaluated using the methods of equilibrium statistical mechanics. Let us next open the system to mass and energy exchange with its environment by pumping on it, heating it, or bombarding it with a laser or particle beam. The resulting nonequilibrium state will evolve in time leading to transport or kinetic processes whose time scales will depend on how fast and from where mass and energy are exchanged. To describe such processes at a macroscopic level one employs the methods of nonequilibrium thermodynamics. If a microscopic understanding is sought we must resort to the tools developed in nonequilibrium statistical mechanics. In this review we will look at the kinetics of adsorption and desorption of a gas at a solid surface using both approaches. For the most part we will concentrate on desorption.
Abstract Equilibrium properties of an isolated physical system are obtained theoretically by minimizing the total free energy of the system. A pheno-menological approach employs the framework of equilibrium thermodynamics, whereas a microscopic model would be evaluated using the methods of equilibrium statistical mechanics. Let us next open the system to mass and energy exchange with its environment by pumping on it, heating it, or bombarding it with a laser or particle beam. The resulting nonequilibrium state will evolve in time leading to transport or kinetic processes whose time scales will depend on how fast and from where mass and energy are exchanged. To describe such processes at a macroscopic level one employs the methods of nonequilibrium thermodynamics. If a microscopic understanding is sought we must resort to the tools developed in nonequilibrium statistical mechanics. In this review we will look at the kinetics of adsorption and desorption of a gas at a solid surface using both approaches. For the most part we will concentrate on desorption.
Theory of Desorption Kinetics
Kreuzer, H. J. (author)
1988-01-01
23 pages
Article/Chapter (Book)
Electronic Resource
English
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