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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.

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

Choose an application

• Reference Manager
• EndNote
• RefWorks (Direct export to RefWorks)

In recent years, the scientific community’s interest towards efficient energy conversion systems has significantly increased. One of the reasons is certainly related to the change in the temperature of the planet, which appears to have increased by 0.76 °C with respect to pre-industrial levels, according to the Intergovernmental Panel on Climate Change (IPCC), and this trend has not yet been stopped. The European Union considers it vital to prevent global warming from exceeding 2 °C with respect to pre-industrial levels, since this phenomenon has been proven to result in irreversible and potentially catastrophic changes. These climate changes are mainly caused by the emissions of greenhouse gasses related to human activities, and can be drastically reduced by employing energy systems, for both heating and cooling of buildings and for power production, characterized by high efficiency levels and/or based on renewable energy sources. This Special Issue, published in the journal Energies, includes 12 contributions from across the world, including a wide range of applications, such as HT-PEMFC, district heating systems, a thermoelectric generator for industrial waste, artificial ground freezing, nanofluids, and others.

Research & information: general --- Technology: general issues --- Thermosyphon --- start-up characteristics --- hydrophilic and hydrophobic --- contact angle --- numerical modeling --- heat transfer --- artificial ground freezing --- underground station --- metro in Napoli --- GEO heating --- microwave heating --- microfluidics --- silicon --- chip integration --- industrial waste heat recovery --- thermoelectric generator --- hexagonal heat exchanger --- temperature distribution --- output performance --- combustor --- turbulent Prandtl approaches --- Navier–Stokes simulation --- thermal analysis --- axial permanent magnet coupling (APMC) --- eddy current --- finite element method (FEM) --- lumped-parameter thermal network (LPTN) --- energy efficiency --- induction heating --- resistance heating --- turnouts --- railway --- safety of rail traffic --- stock-rail --- switch-rail --- nanofluid --- entropy generation --- viscous dissipation --- magnetic heating --- high temperature proton exchange membrane fuel cell --- thermal management --- organic rankine cycle --- plate heat exchanger --- waste heat recovery --- cooling system --- thermodynamic modeling --- shielded metal arc welding --- welding spatter --- electrode --- electrical power --- welding time --- drying --- energy analysis --- exergy analysis --- multiphase model --- multispecies model --- thermodynamics --- Baltic Sea Region --- district heating --- DH network --- smart asset management --- smart grid

Choose an application

• Reference Manager
• EndNote
• RefWorks (Direct export to RefWorks)

In recent years, the scientific community’s interest towards efficient energy conversion systems has significantly increased. One of the reasons is certainly related to the change in the temperature of the planet, which appears to have increased by 0.76 °C with respect to pre-industrial levels, according to the Intergovernmental Panel on Climate Change (IPCC), and this trend has not yet been stopped. The European Union considers it vital to prevent global warming from exceeding 2 °C with respect to pre-industrial levels, since this phenomenon has been proven to result in irreversible and potentially catastrophic changes. These climate changes are mainly caused by the emissions of greenhouse gasses related to human activities, and can be drastically reduced by employing energy systems, for both heating and cooling of buildings and for power production, characterized by high efficiency levels and/or based on renewable energy sources. This Special Issue, published in the journal Energies, includes 12 contributions from across the world, including a wide range of applications, such as HT-PEMFC, district heating systems, a thermoelectric generator for industrial waste, artificial ground freezing, nanofluids, and others.

Research & information: general --- Technology: general issues --- Thermosyphon --- start-up characteristics --- hydrophilic and hydrophobic --- contact angle --- numerical modeling --- heat transfer --- artificial ground freezing --- underground station --- metro in Napoli --- GEO heating --- microwave heating --- microfluidics --- silicon --- chip integration --- industrial waste heat recovery --- thermoelectric generator --- hexagonal heat exchanger --- temperature distribution --- output performance --- combustor --- turbulent Prandtl approaches --- Navier–Stokes simulation --- thermal analysis --- axial permanent magnet coupling (APMC) --- eddy current --- finite element method (FEM) --- lumped-parameter thermal network (LPTN) --- energy efficiency --- induction heating --- resistance heating --- turnouts --- railway --- safety of rail traffic --- stock-rail --- switch-rail --- nanofluid --- entropy generation --- viscous dissipation --- magnetic heating --- high temperature proton exchange membrane fuel cell --- thermal management --- organic rankine cycle --- plate heat exchanger --- waste heat recovery --- cooling system --- thermodynamic modeling --- shielded metal arc welding --- welding spatter --- electrode --- electrical power --- welding time --- drying --- energy analysis --- exergy analysis --- multiphase model --- multispecies model --- thermodynamics --- Baltic Sea Region --- district heating --- DH network --- smart asset management --- smart grid --- Thermosyphon --- start-up characteristics --- hydrophilic and hydrophobic --- contact angle --- numerical modeling --- heat transfer --- artificial ground freezing --- underground station --- metro in Napoli --- GEO heating --- microwave heating --- microfluidics --- silicon --- chip integration --- industrial waste heat recovery --- thermoelectric generator --- hexagonal heat exchanger --- temperature distribution --- output performance --- combustor --- turbulent Prandtl approaches --- Navier–Stokes simulation --- thermal analysis --- axial permanent magnet coupling (APMC) --- eddy current --- finite element method (FEM) --- lumped-parameter thermal network (LPTN) --- energy efficiency --- induction heating --- resistance heating --- turnouts --- railway --- safety of rail traffic --- stock-rail --- switch-rail --- nanofluid --- entropy generation --- viscous dissipation --- magnetic heating --- high temperature proton exchange membrane fuel cell --- thermal management --- organic rankine cycle --- plate heat exchanger --- waste heat recovery --- cooling system --- thermodynamic modeling --- shielded metal arc welding --- welding spatter --- electrode --- electrical power --- welding time --- drying --- energy analysis --- exergy analysis --- multiphase model --- multispecies model --- thermodynamics --- Baltic Sea Region --- district heating --- DH network --- smart asset management --- smart grid