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Is the heat and mass transfer intensification defined as a new paradigm of process engineering, or is it just a common and old idea, renamed and given the current taste? Where might intensification occur? How to achieve intensification? How the shape optimization of thermal and fluidic devices leads to intensified heat and mass transfers? To answer these questions, Heat & Mass Transfer Intensification and Shape Optimization: A Multi-scale Approach clarifies the definition of the intensification by highlighting the potential role of the multi-scale structures, the specific interfacial area, the distribution of driving force, the modes of energy supply and the temporal aspects of processes. A ...
The re-engineering of power transmission systems is crucial to meeting the objectives of such regulators as the European Union. In addition to its market, organisational and regulatory aspects, this re-engineering will also involve technical issues dealing with the progressive integration of innovative transmission technologies in the daily operation of transmission system operators. In this context, Advanced Technologies for Future Transmission Grids provides an overview of the most promising technologies, likely to be of help to planners of transmission grids in responding to the challenges of the future: security of supply; integration of renewable generation; and creation of integrated e...
Heat and Cold Storage 2 focuses on thermochemical sorption storage processes – that is, absorption, adsorption and chemical sorption. This book first analyzes the principles of sorption and defines the criteria for selecting the materials to be used, before presenting the three sorption storage technologies. It details the functioning of the absorption cycle in order to highlight the future challenges of this method. Next, the book examines storage by physical adsorption. Then, it presents the fundamentals of this phenomenon and a description of solid-gas adsorption cycles and systems, followed by a number of examples of prototype installations. Finally, the book describes the phenomenon of heat storage by chemical sorption from the scale of the reactive material to the scale of the process, before putting the state of the art of possible improvements into perspective and illustrating various applications.
Stockage de la chaleur et du froid 2 s’intéresse aux procédés de stockage thermochimique à sorption, c’est-à-dire les procédés à absorption, à adsorption et à sorption chimique. Cet ouvrage analyse les principes de la sorption et définit les critères de sélection des matériaux à mettre en oeuvre avant de présenter les trois technologies de stockage à sorption. Le fonctionnement du cycle à absorption est détaillé afin de pointer les enjeux futurs de cette méthode. Ensuite, le stockage par adsorption physique est examiné. Les fondements de ce phénomène et une description des cycles et systèmes à adsorption solide-gaz sont exposés, avant de présenter de nombreux exemples d’installations prototypes. Enfin, le phénomène de stockage de chaleur par sorption chimique est décrit à l’échelle du matériau réactif jusqu’à l’échelle du procédé, avant de mettre en perspective l’état de l’art des améliorations possibles et d’illustrer différentes applications.