Listar DFisA-Artículos, capítulos... por título
Mostrando ítems 114-133 de 192
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Measuring the air fraction and the gas temperature in non-thermal argon plasma jets through the study of the air influence on the collisional broadening of some argon atomic emission lines
(IOP Publishing, 2020)Cold atmospheric argon plasma jets have shown to be very promising in medicine and they are being currently used for therapeutical uses such as the healing of wounds or the treatment of tumors. Because they run in the open ... -
Measuring the electron density in plasmas from the difference of Lorentzian part of the widths of two Balmer series hydrogen lines
(Elsevier, 2015)We present an alternative optical emission spectroscopy method to measure the plasma electron density from the difference of widths of two Balmer series hydrogen lines (Hα and Hβ), especially convenient for non-thermal ... -
Method for Estimation of CO2 Gains from Persons in Builidings
(MDPI, 2018)Carbon dioxide concentration is an important parameter to know Indoor Air Quality of a building. One of the most important sources of CO2 in poor ventilated building is human activity. This work presents a method for ... -
Methodological Advances in the Design of Photovoltaic Irrigation
(MDPI, 2021)In this study, an algorithm has been developed that manages photovoltaic solar energy in such a manner that all generated power is delivered to the system formed by a pump and irrigation network with compensated emitters. ... -
Método de producción de nanotubos de carbono en ausencia de catalizadores metálicos
(Oficina de Transferencia de Resultados de la Investigación, 2011)Hemos patentado una nueva técnica para la síntesis de nanotubos de carbono a partir de la descomposición, de sustancias con contenido en carbono, por un plasma a presión atmosférica, sin la utilización de catalizadores ... -
Microestructura y propiedades mecánicas a altas temperaturas del α-SiC sinterizado con fase líquida de Y2O3-Al2O3
(Sociedad Española de Cerámica y Vidrio, 2005)Muestras de α-SiC han sido sinterizadas con fase líquida (LPS) a 1950 ºC, en atmósfera de argón y tiempos de procesado entre 1 y 7 horas. Mediante microscopia electrónica de barrido (SEM) se ha caracterizado la microestructura, ... -
Microscale Wind Assessment, Comparing Mesoscale Information and Observed Wind Data
(MDPI, 2022)One of the most common problems in wind resource assessment is that measured data are not always available at the site of interest. That is why, in several studies, reanalysis data have been used as an alternative, which, ... -
Microwave atmospheric pressure plasma jets for wastewater treatment: Degradation of methylene blue as a model dye
(Elsevier, 2017)The degradation of methylene blue in aqueous solution as a model dye using a non thermal microwave (2.45 GHz) plasma jet at atmospheric pressure has been investigated. Argon has been used as feed gas and aqueous solutions ... -
Modified surfatron device to improve microwave-plasma-assisted generation of RONS and methylene blue degradation in water
(Elsevier, 2024)Microwave-induced plasmas generated at atmospheric pressure are very attractive for a great variety of applications since they have a relatively high electron density and can generate large amounts of reactive species. ... -
New Omnidirectional Sensor Based on Open-Source Software and Hardware for Tracking and Backtracking of Dual-Axis Solar Trackers in Photovoltaic Plants
(MDPI, 2021)In this work, an omnidirectional sensor that enables identification of the direction of the celestial sphere with maximum solar irradiance is presented. The sensor, based on instantaneous measurements, functions as a ... -
Nonlinear Controller for the Set-Point Regulation of a Buck Converter System
(MDPI, 2021)In this paper, we present a nonlinear PID controller based on saturation functions with variable parameters in order to regulate the output voltage of a buck converter in the presence of changes in the input voltage. The ... -
El observatorio de la publicidad de la movilidad sostenible y la televisión
(Grupo Comunicar, 2005)La mayoría de las investigaciones sobre la publicidad de la televisión en el aula provienen del área de la lengua, de la plástica y de las ciencias sociales. Por ejemplo, son muy numerosos los estudios críticos de la imagen ... -
Optical Emission Spectroscopy Investigation of a 1-atm DC Glow Discharge With Liquid Anode and Associated Self-Organization Patterns
(IEEE, 2019)Optical emission spectroscopy is used to study a 1-atm dc helium glow discharge with a liquid anode to obtain insight into the physical mechanisms underlying observed plasma self-organization at the liquid surface. Plasma ... -
Optimal Integration of Battery Systems in Grid-Connected Networks for Reducing Energy Losses and CO2 Emissions
(MDPI, 2023)This work addressed the problem regarding the optimal integration of battery systems (BS) in grid-connected networks (GCNs) with the purpose of reducing energy losses and CO2 emissions, for which it formulates a mathematical ... -
Optimal Investments in PV Sources for Grid-Connected Distribution Networks: An Application of the Discrete–Continuous Genetic Algorithm
(MDPI, 2021)The problem of the optimal siting and sizing of photovoltaic (PV) sources in grid connected distribution networks is addressed in this study with a master–slave optimization approach. In the master optimization stage, a ... -
Optimal Location and Sizing of DGs in DC Networks Using a Hybrid Methodology Based on the PPBIL Algorithm and the VSA
(MDPI, 2021)In this paper, we propose a master–slave methodology to address the problem of optimal integration (location and sizing) of Distributed Generators (DGs) in Direct Current (DC) networks. This proposed methodology employs a ... -
Optimal Location and Sizing of Distributed Generators in DC Networks Using a Hybrid Method Based on Parallel PBIL and PSO
(MDPI, 2020)This paper addresses the problem of the locating and sizing of distributed generators (DGs) in direct current (DC) grids and proposes a hybrid methodology based on a parallel version of the Population-Based Incremental ... -
Optimal Location and Sizing of PV Generation Units in Electrical Networks to Reduce the Total Annual Operating Costs: An Application of the Crow Search Algorithm
(MDPI, 2022)This study presents a master–slave methodology to solve the problem of optimally locating and sizing photovoltaic (PV) generation units in electrical networks. This problem is represented by means of a Mixed-Integer Nonlinear ... -
Origin of the low precipitation hardening in magnesium alloys
(Elsevier, 2019)In this work electron backscattered diffraction (EBSD)-assisted slip trace analysis and transmission electron microscopy have been utilized to investigate the interaction of basal dislocations with precipitates in the Mg ... -
El papel de las nuevas tecnologías de la información y la comunicación en la educación científico-técnica universitaria
(Universidad de Córdoba, Vicerrectorado de Innovación y Calidad Docente, 2005)The high degree of the application of the new information and communication technology (ICT) in present-day teaching is a fact that obliges us as teachers to accept the presence of these new educational tools in university ...