Browsing Artículos by Title
Now showing items 3802-3821 of 10486
-
Experimental observation of vacancy assisted martensitic transformation shift in Ni-Fe-Ga alloys
(APS, 2019-04-23)[EN] Positron annihilation lifetime spectroscopy is used to experimentally demonstrate the direct relationship between vacancies and the shift of the martensitic transformation temperature in a Ni55Fe17Ga28 alloy. The ... -
Experimental Semi-Autonomous Eigensolver Using Reinforcement Learning
(Nature, 2021-06-10)The characterization of observables, expressed via Hermitian operators, is a crucial task in quantum mechanics. For this reason, an eigensolver is a fundamental algorithm for any quantum technology. In this work, we implement ... -
Experimental Simulation of Environmental Warming Selects against Pigmented Morphs of Land Snails
(Wiley, 2021-02)In terrestrial snails, thermal selection acts on shell coloration. However, the biological relevance of small differences in the intensity of shell pigmentation and the associated thermodynamic, physiological, and evolutionary ... -
Experimental study and modeling of biomass char gasification kinetics in a novel thermogravimetric flow reactor
(Elsevier B.V., 2020-04-25)[EN]This work pursues the validation of a new reactor for the evaluation of char gasification kinetics. This novel reactor allows continuous gas flow through the fixed bed sample and accurately monitoring the mass loss ... -
Experimental Study of AM and PM Noise in Cascaded Amplifiers
(MDPI, 2022-02-05)An experimental study of amplitude modulation (AM) and phase modulation (PM) noise spectra in cascaded amplifiers was carried out as a function of the number of amplification stages and the input power. Flicker and white ... -
Experimental study of the isotope effect of the permeability in structural steels for fusion reactors: Eurofer and SS316
(Elsevier, 2024-03)The transport of hydrogen isotopes through the elements that make up a fusion reactor, and their corresponding interaction with these materials, have a direct impact on its operation. Consequently, it is essential to master ... -
Experimental Study of the Response of Efficient Lighting Technologies to Complex Voltage Fluctuations
(Elsevier, 2014-07-09)The replacement of incandescent lamps with more energy-efficient lighting technologies has a direct influence on the way flicker is measured. The International Electrotechnical Commission (IEC) established in the 61000-4-15 ... -
Experimental Study of the Summation of Flicker Caused by Wind Turbines
(MDPI, 2019-06-22)Integration of wind energy into the grid faces a great challenge regarding power quality. The International Electrotechnical Commission (IEC) 61400-21 standard defines the electrical characteristics that need to be assessed ... -
Experimental study on the thermal control of a roof-top collective building antenna using a porous matrix filled with Water-Copper nanofluid
(Elsevier, 2022-04)This experimental work addressed the thermal control a roof-top collective building antenna meant to control home equipment in smart buildings. The antenna was placed inside a concentric quasi-cylindrical cavity maintained ... -
Experimental validation of a mathematical model for the evolution of the particle morphology of waterborne polymer-polymer hybrids: paving the way to the design and implementation of optimal polymerization strategies
(Elsevier, 2019-01-23)Polymer-polymer composite nanoparticles allow both the improvement of the performance in stablished applications of waterborne polymer dispersions and targeting new applications that are out of reach of currently available ... -
Experimental Validation of a Sliding Mode Control for a Stewart Platform Used in Aerospace Inspection Applications
(MDPI, 2020-11-17)The authors introduce a new controller, aimed at industrial domains, that improves the performance and accuracy of positioning systems based on Stewart platforms. More specifically, this paper presents, and validates ... -
Experimental validation of fuzzy type-2 against type-1 scheme applied in DC/DC converter integrated to a PEM fuel cell system
(Wiley, 2023-02)This research presents and compares the outcomes of experimental implementations of different fuzzy logic control structures for a proton exchange membrane fuel cell (PEMFC). These devices are well known for their capability ... -
Experimental Validation of the Kinematic Design of 3PRS Compliant Parallel Mechanisms
(Elsevier, 2016-11)In this paper, a procedure for the kinematic design of a 3-PRS compliant parallel manipulator of 3 degrees of freedom is proposed. First, under the assumption of small displacements, the solid body kinematics of the 3-PRS ... -
Experimental verification of the anomalous skin effect in copper using emissivity measurements
(AIP, 2013-06-20)Spectral directional emissivity has been measured in copper between 3 and 24 μm above room temperature. The experimental spectrum shows a weak broad peak between 7 and 14 μm, which is much more acute for higher emission ... -
Experimentation under real performing conditions of a highly integrable unglazed solar collector into a building façade
(Elsevier, 2017)In the current context of moving towards more sustainable construction, advanced facade systems that integrate solar collecting devices represent a commitment with future trends that combine renewable technologies with ... -
Experiments of Trust Prediction in Social Networks by Artificial Neural Networks
(Taylor and Francis, 2015-03-24)Social network online services are growing at an exponential pace, both in quantity of users and diversity of services; thus, the evaluation of trust in the interaction among users and toward the system is a central issue ... -
Experiments on a lab scale TES unit using eutectic metal alloy as PCM
(Elsevier, 2015-05)The behavior of a magnesium and zinc eutectic metal alloy used as thermal energy storage (TES) material is tested in a laboratory scale TES unit. The TES unit consists of two concentric tubes with the central tube surrounded ... -
Explaining Public-Private Partnership Projects through Political Factors: An Assessment of Developing Countries
(Sage, 2021-09-13)This paper analyses the effect of political factors on the use of PPPs in developing countries. According to a sample of 80 low- and middle-income countries over the period 1995-2017, our findings suggest that PPP projects ... -
Explaining the electoral performance of radical right parties in Europe (2008-2019): a fuzzy-set Qualitative Comparative Analysis
(Universidad Complutense, 2022)Although radical right parties have been extensively examined since their significant breakthrough in the European political arena in the late 80s, not enough attention has been paid to the reasons behind their unequal ... -
Exploiting the layer-by-layer nanoarchitectonics for the fabrication of polymer capsules: A toolbox to provide multifunctional properties to target complex pathologies
(Elsevier, 2022-04)[EN] Polymer capsules fabricated via the layer-by-layer (LbL) approach have attracted a great deal of attention for biomedical applications thanks to their tunable architecture. Compared to alternative methods, in which ...