Browsing Artículos, Comunicaciones, Libros by Title
Now showing items 7613-7632 of 11731
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Numerical assessment of the analytical models used to determine flexural and shear moduli in I-Beams when the tensile and compressive moduli are different
(Elsevier, 2020-01-30)The different compressive and tensile moduli of fibre reinforced composites have been considered in the analysis of the flexural and shear moduli of I-beams. Firstly, the neutral axis has been determined analytically and ... -
Numerical model for liquid-to-liquid heat pumps implementing switching mode
(Elsevier, 2019-09-01)Residential reversible liquid-to-liquid heat pump systems are effective systems to increase energy efficiency and decrease gas emissions of buildings that can supply both the cooling and heating demand of a building due ... -
Numerical Model for Predicting Bead Geometry and Microstructure in Laser Beam Welding of Inconel 718 Sheets
(MDPI, 2018-07)A numerical model was developed for predicting the bead geometry and microstructure in laser beam welding of 2 mm thickness Inconel 718 sheets. The experiments were carried out with a 1 kW maximum power fiber laser coupled ... -
Numerical modeling of a sneeze, a cough and a continuum speech inside a hospital lift
(Elsevier, 2023-02)The global COVID-19 and its variants put us on notice of the importance of studying the spread of respiratory diseases. The most common means of propagation was the emission of droplets due to different respiration activities. ... -
Numerical Modeling of Face Shield Protection against a Sneeze
(MDPI, 2021-07-05)The protection provided by wearing masks has been a guideline worldwide to prevent the risk of COVID-19 infection. The current work presents an investigation that analyzes the effectiveness of face shields as personal ... -
Numerical Modeling of the Influence of Nanometric Ceramic Particles on the Nucleation of AlSi10MnMg Alloy
(MDPI, 2022-05-17)In recent years, many researchers have attempted to model the solidification process of nano-reinforced materials. In the present document, the effect on the heterogeneous solidification regime of the different sizes, ... -
Numerical Modeling of the Spread of Cough Saliva Droplets in a Calm Confined Space
(MDPI, 2021-03-08)The coronavirus disease 2019 (COVID-19) outbreak has altered the lives of everyone on a global scale due to its high transmission rate. In the current work, the droplet dispersion and evaporation originated by a cough at ... -
Numerical Modelling of a Floating Wind Turbine Semi-Submersible Platform
(MDPI, 2021-11-28)A detailed study is undertaken of the computational modelling of a sub-platform for floating offshore wind using the software Star-CCM+ with the application of the RANS approach. First, a mathematical introduction to the ... -
Numerical optimization based control design for a ferromagnetic shape memory alloy actuator
(Elsevier, 2021-11)Ferromagnetic shape memory alloys (FSMA) based actuators are able to get very good precision, allowing, indeed, under nanometer positioning applications. To get those precisions, a good controller is needed, and different ... -
Numerical performance of CO2 accumulation and droplet dispersion from a cough inside a hospital lift under different ventilation strategies
(Nature, 2024)The impact of mechanical ventilation on airborne diseases is not completely known. The recent pandemic of COVID-19 clearly showed that additional investigations are necessary. The use of computational tools is an advantage ... -
Numerical Simulation of a Time-Dependent Electroviscous and Hybrid Nanofluid with Darcy-Forchheimer Effect between Squeezing Plates
(MDPI, 2022-03-06)In this article, the behavior of transient electroviscous fluid flow is investigated through squeezing plates containing hybrid nanoparticles. A hybrid nanofluid MoS2+Au/C2H6O2−H2O was formulated by dissolving the components ... -
Numerical study of a turbulent co-axial non-premixed flame for methanol hydrothermal combustion: Comparison of the EDC and FGM models
(Elsevier, 2021-02-01)Eddy dissipation concept (EDC) model and flamelet generated manifolds (FGM) model are developed separately to study the temperature profiles and extinction limits of non-premixed hydrothermal flames. Predictions by the two ... -
Nursing care plan for a patient with Fournier’s gangrene: Clinical case
(Elsevier, 2024-04-12)[EN]Fournier's gangrene, a relatively rare form of necrotizing fasciitis, is a rapidly progressive disease affecting the deep and superficial tissues of the perineal, anal, scrotal, and genital regions. Despite the significant ... -
Nursing students’ alternative beliefs regarding care for patients suffering from depression
(Elsevier, 2018-02-03)Depression is an illness that constitutes a major challenge for Public Health worldwide. Therefore, there is a clear need to receive training to care for this type of patient. This study sets out to identify non-scientific ... -
Nursing students’ misunderstandings when learning about stroke care: A phenomenographic study
(Elsevier, 2019-02)Background: Considering the prevalence and complexity of a stroke, it is necessary to think about how undergraduate nursing students are developing knowledge for stroke care. Aim: To obtain a vision of nursing students’ ... -
Nut Consumptions as a Marker of Higher Diet Quality in a Mediterranean Population at High Cardiovascular Risk
(MDPI, 2019-03-30)BACKGROUND: Nut consumption has been associated with improved nutrient adequacy and diet quality in healthy adult populations but this association has never been explored in individuals at high cardiovascular risk. OBJECTIVE: ... -
Nutation Excitations in the Gyrotropic Vortex Dynamics in a Circular Magnetic Nanodot
(MDPI, 2023-01-23)A significant activity is devoted to the investigation of the ultrafast spin dynamic processes, holding a great potential for science and applications. However, a challenge of the understanding of the mechanisms of underlying ... -
Nutlin-3a-aa: Improving the Bioactivity of a p53/MDM2 Interaction Inhibitor by Introducing a Solvent-Exposed Methylene Group
(Wiley, 2023-03)Nutlin-3a is a reversible inhibitor of the p53/MDM2 interaction. We have synthesized the derivative Nutlin-3a-aa bearing an additional exocyclic methylene group in the piperazinone moiety. Nutlin-3a-aa is more active than ... -
Nutraceutical Properties of Polyphenols against Liver Diseases
(MDPI, 2020-11-15)Current food tendencies, suboptimal dietary habits and a sedentary lifestyle are spreading metabolic disorders worldwide. Consequently, the prevalence of liver pathologies is increasing, as it is the main metabolic organ ... -
Nutrition risk in the child and adolescent population of the Basque country: the enKid Study
(Cambridge University Press, 2006-08)Cross-sectional population studies provide valuable information for nutrition surveillance and planning intervention strategies. The enKid Study is the largest nutrition survey on the child and adolescent Spanish population ...