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Mostrando ítems 1-10 de 13
Artículo
Characterizing the Air Temperature Drop in Mediterranean Courtyards from Monitoring Campaigns
(MDPI AG, 2017-08)
As microclimate modifiers, courtyards may be a good passive strategy for enhancing thermal comfort and reducing the energy demands of buildings. Thus, it is necessary to be able to quantify their tempering effect in dominant ...
Artículo
A novel storage system for cooling stand-alone photovoltaic installations
(Elsevier, 2020-08)
Stand-alone photovoltaic systems usually use batteries to adjust energy yield to energy demand. An alternative energy storage system for stand-alone photovoltaic installations is proposed for three cooling applications: ...
Ponencia
Design of a FFT/IFFT module as an IP core suitable for embedded systems
(IEEE Computer Society, 2007)
In this work, we have laid the foundations that allow us to accomplish the implementation of a FFT/IFFT module as an IP core. The main objective is to design a configurable optimized core that can be integrated as a ...
Artículo
A Simulation Tool for Geometrical Analysis and Optimization of Fuel Cell Bipolar Plates: Development, Validation and Results
(MDPI, 2009-07-31)
Bipolar plates (BPs) are one of the most important components in Proton Exchange Membrane Fuel Cells (PEMFC) due to the numerous functions they perform. The objective of the research work described in this paper was to ...
Artículo
Touch-free reactive flash sintering of dense strontium hexaferrite permanent magnet
(John Wiley and Sons, 2023)
This work presents an extension of the touch-free flash sintering technique. In the proposed technique, chemical reaction and sintering occur in a single step, without the use of electrodes, in the presence of electric ...
Artículo
Flame confinement in biomass combustion systems for particles abatement
(Elsevier, 2022)
This work explores the use of open-pore, inert ceramic foams with different pore sizes as particle abatement systems in small biomass combustion systems. Porous foams made of silicon carbide with pore sizes 10 to ...
Artículo
Determination of time constants of diffusion and electrochemical processes in Polymer Electrolyte Membrane Fuel Cells
(Elsevier Ltd, 2021)
This work presents an experimental analysis of the time constants associated to diffusion and electro chemical processes in a 50 cm2 Polymer Electrolyte Membrane (PEM) fuel cell. The experimental tech niques and results ...
Artículo
Analysis of an energy storage system using reversible calcium hydroxide in fluidised-bed reactors
(Elsevier, 2022-11-25)
The widespread use of renewable energy requires the support of high-capacity energy storage systems. This work proposes a thermochemical energy storage system for concentrated solar power plants based on the reversible ...
Artículo
Study of the use of biogas as an energy vector for microgrids
(Elsevier, 2024-08)
The review presents the current state of the issue about the structural features of microgrids as potential structural elements of energy networks. By analyzing literature data, microgrids incorporating biogas were ...
Artículo
A Review of the Use of Hydrogen in Compression Ignition Engines with Dual-Fuel Technology and Techniques for Reducing NOx Emissions
(MDPI, 2024)
The use of compression ignition engines (CIEs) is associated with increased greenhouse gas emissions. It is therefore necessary to research sustainable solutions and reduce the negative environmental impact of these ...