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Thermal and Electro-thermal System Simulation

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ISBN: 9783039217366 9783039217373 Year: Pages: 222 DOI: 10.3390/books978-3-03921-737-3 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering
Added to DOAB on : 2019-12-09 11:49:16
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Abstract

With increasing power levels and power densities in electronics systems, thermal issues are becoming more and more critical. The elevated temperatures result in changing electrical system parameters, changing the operation of devices, and sometimes even the destruction of devices. To prevent this, the thermal behavior has to be considered in the design phase. This can be done with thermal end electro-thermal design and simulation tools. This Special Issue of Energies, edited by two well-known experts of the field, Prof. Marta Rencz, Budapest University of Technology and Economics, and by Prof. Lorenzo Codecasa, Politecnico di Milano, collects twelve papers carefully selected for the representation of the latest results in thermal and electro-thermal system simulation. These contributions present a good survey of the latest results in one of the most topical areas in the field of electronics: The thermal and electro-thermal simulation of electronic components and systems. Several papers of this issue are extended versions of papers presented at the THERMINIC 2018 Workshop, held in Stockholm in the fall of 2018. The papers presented here deal with modeling and simulation of state-of-the-art applications that are highly critical from the thermal point of view, and around which there is great research activity in both industry and academia. Contributions covered the thermal simulation of electronic packages, electro-thermal advanced modeling in power electronics, multi-physics modeling and simulation of LEDs, and the characterization of interface materials, among other subjects.

Heat and Mass Transfer in Energy Systems

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ISBN: 9783039219827 9783039219834 Year: Pages: 234 DOI: 10.3390/books978-3-03921-983-4 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: General and Civil Engineering --- Technology (General)
Added to DOAB on : 2020-01-30 16:39:46
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In recent years, the interest of the scientific community towards efficient energy systems has significantly increased. One of the reasons is certainly related to the change in the temperature of the planet, which has increased by 0.76 °C with respect to preindustrial levels, according to the Intergovernmental Panel on Climate Change (IPCC), and is still increasing. The European Union considers it vital to prevent global warming from exceeding 2 °C with respect to pre-industrial levels, as it has been proven that this will result in irreversible and potentially catastrophic changes. These changes in climate are mainly caused by greenhouse gas emissions related to human activities, and can be drastically reduced by employing energy systems for the heating and cooling of buildings, as well as for power production, characterized by high efficiency levels and/or based on renewable energy sources. This Special Issue, published in the Energies journal, includes 13 contributions from across the world, including a wide range of applications such as hybrid residential renewable energy systems, desiccant-based air handling units, heat exchanges for engine WHR, solar chimney systems, and other interesting topics.

Keywords

bubble absorber --- absorption cooling --- ammonia-lithium nitrate --- plate heat exchanger --- bentonite buffer material --- Ca-type bentonite --- thermal conductivity --- predictive models --- thermosyphon --- two-phase flow --- startup --- phase change --- operating state --- visualization --- fast thermal simulation --- crude oil pipeline --- batch transportation --- body-fitted coordinate-based proper orthogonal decomposition reduced-order model (BFC-POD-ROM) --- transport scheme determination --- waste heat recovery --- exhaust steam --- heat exchanger --- protracted fin --- turbo-electric generator --- exhaust emissions --- R744 --- two-phase ejector --- refrigeration --- dynamic simulation --- low-order model --- object-oriented modelling --- desiccant wheel --- solar heating and cooling --- hygroscopic materials --- dynamic simulations --- energy and environmental analysis --- solar chimney --- air flow --- analytical and experimental solutions --- method of calculation --- steelmaking --- electric arc furnace --- consumption --- electric energy --- melting --- refining --- tapping --- modeling --- linear regression --- genetic programming --- renewables --- ancillary services --- hybrid systems --- thermal storage --- energy storage --- microgrids --- heat pump --- model predictive control --- optimization --- Biot number --- genetic algorithms --- drying --- air-cooled steam turbine generator --- single-channel ventilation --- backflow --- radial ventilation duct --- fluid field --- ground source heat pump --- numerical and experimental studies --- ground-air heat exchanger --- geothermal energy --- computational fluid dynamics --- spirally corrugated pipe

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