## Non-equilibrium Thermodynamics Of Heterogeneous SystemsThe purpose of this book is to encourage the use of non-equilibrium thermodynamics to describe transport in complex, heterogeneous media. With large coupling effects between the transport of heat, mass, charge and chemical reactions at surfaces, it is important to know how one should properly integrate across systems where different phases are in contact. No other book gives a prescription of how to set up flux equations for transports across heterogeneous systems.The authors apply the thermodynamic description in terms of excess densities, developed by Gibbs for equilibrium, to non-equilibrium systems. The treatment is restricted to transport into and through the surface. Using local equilibrium together with the balance equations for the surface, expressions for the excess entropy production of the surface and of the contact line are derived. Many examples are given to illustrate how the theory can be applied to coupled transport of mass, heat, charge and chemical reactions; in phase transitions, at electrode surfaces and in fuel cells. Molecular simulations and analytical studies are used to add insight. |

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Non-equilibrium Thermodynamics of Heterogeneous Systems Signe Kjelstrup,Dick Bedeaux Limited preview - 2008 |

Non-equilibrium Thermodynamics of Heterogeneous Systems Signe Kjelstrup,Dick Bedeaux Limited preview - 2008 |

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anode Bedeaux calculated cathode cell potential Chapter Chem chemical potential component concentration constant contact line contribution defined diffusion coefficient dividing surface electric current electric potential electrochemical electrode electrode surfaces electrolyte enthalpy entropy production excess densities excess entropy production expression flux equations frame of reference fuel cell function Gibbs energy given gives hand side heat and mass heat of transfer Helmholtz energy heterogeneous system homogeneous phases interface internal energy ionic kinetic theory Kjelstrup Ratkje layer Lennard-Jones Lennard-Jones potential linear measurable heat flux mole molecular dynamics NEMD non-equilibrium thermodynamics obtain Onsager relations particles Peltier coefficient Phys polarization polarization density potential difference pressure profiles resistivity salt solution stationary surface tension temperature difference thermal conductivity total heat flux transference coefficient transport of heat transported entropy vapor variables velocity Waals zero