Now showing items 1459-1478 of 3819

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      Five MegawattWind Turbine Power Output Improvements by Passive Flow Control Devices 

      Fernández Gámiz, Unai; Zulueta Guerrero, Ekaitz; Boyano Murillo, Ana Isabel; Ansoategui Belategui, Igor; Uriarte Gallastegui, Irantzu (MDPI, 2017-06)
      The effects of two types of flow control devices, vortex generators (VGs) and Gurney flaps (GFs), on the power output performance of a multi-megawatt horizontal axis wind turbine is presented. To that end, an improved blade ...
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      Five-Axis Milling of Large Spiral Bevel Gears: Toolpath Definition, Finishing, and Shape Errors 

      Álvarez, Álvaro; Calleja Ochoa, Amaia; Ortega Rodríguez, Naiara; López de Lacalle Marcaide, Luis Norberto (MDPI, 2018-05)
      In this paper, a five-axis machining process is analyzed for large spiral-bevel gears, an interesting process for one-of-kind manufacturing. The work is focused on large sized spiral bevel gears manufacturing using universal ...
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      Fixed and Best Proximity Points of Cyclic Jointly Accretive and Contractive Self-Mappings 

      De la Sen Parte, Manuel (Hindawi Publishing Corporation, 2012)
      p(>= 2)-cyclic and contractive self-mappings on a set of subsets of a metric space which are simultaneously accretive on the whole metric space are investigated. The joint fulfilment of the p-cyclic contractiveness and ...
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      Fixed Point and Best Proximity Theorems under Two Classes of Integral-Type Contractive Conditions in Uniform Metric Spaces 

      De la Sen Parte, Manuel (Hindawi Publishing Corporation, 2010)
      This paper investigates the existence of fixed points and best proximity points of p-cyclic self-maps on a set of subsets of a certain uniform space under integral-type contractive conditions. The parallel properties of ...
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      Fixed Point Results under Generalized c-Distance in Cone b-Metric Spaces Over Banach Algebras 

      Arabnia Firozjah, Ataollah; Rahimi, Hamidreza; De la Sen Parte, Manuel; Soleimani Rad, Ghasem (MDPI, 2020-03-21)
      In this work, we define the concept of a generalized c-distance in cone b-metric spaces over a Banach algebra and introduce some its properties. Then, we prove the existence and uniqueness of fixed points for mappings ...
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      Fixed Points of Closed and Compact Composite Sequences of Operators and Projectors in a Class of Banach Spaces 

      De la Sen Parte, Manuel (Hindawi Publishing Corporation, 2013)
      Some results on fixed points related to the contractive compositions of bounded operators in a class of complete metric spaces which can be also considered as Banach's spaces are discussed through the paper. The class of ...
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      Flat-shaped carbon-graphene microcomposites as electrodes for high energy supercapacitors 

      Moreno Fernández, María de los Ángeles; Gómez Urbano, Juan L.; Enterria, Marina; Rojo Aparicio, Teófilo; Carriazo, Daniel (Royal Society of Chemistry, 2019-06-28)
      Herein, we report a simple approach for the preparation of phosphate-functionalized carbonaceous graphene-based composites. The homogeneous deposition of a thin layer of phenolic resin on the surface of graphene oxide (GO) ...
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      Flexibility Support for Homecare Applications Based on Models and Multi-Agent Technology 

      Armentia Díaz de Tuesta, Aintzane; Gangoiti Gurtubay, Unai; Priego, Rafael; Estévez, Elisabet; Marcos Muñoz, Margarita (MDPI, 2015-12)
      In developed countries, public health systems are under pressure due to the increasing percentage of population over 65. In this context, homecare based on ambient intelligence technology seems to be a suitable solution ...
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      Flexible Abrasive Tools for the Deburring and Finishing of Holes in Superalloys 

      Rodríguez Ezquerro, Adrián; Fernández Valdivielso, Asier; López de Lacalle Marcaide, Luis Norberto; Sastoque Pinilla, Edwar Leonardo (MDPI, 2018-12-06)
      Many manufacturing sectors require high surface finishing. After machining operations such as milling or drilling, undesirable burrs or insufficient edge finishing may be generated. For decades, many finishing processes ...
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      Flexible aromatic disulfide monomers for high-performance self-healable linear and cross-linked poly(urethane-urea) coatings 

      Nevejans, Sil; Ballard, Nicholas; Fernández San Martín, Mercedes; Reck, Bernd; Asua González, José María (Elsevier, 2019)
      Implementation of the self-healing concept in coatings is challenging because they have to combine mechanical strength and chain mobility. This challenge is addressed in this work by studying the effect of the polymer ...
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      Flexible Strain-Tension Calculation Method for Gap-type Overhead Conductors 

      Albizu Flórez, Igor; Mazón Sainz-Maza, Angel Javier; Zamora Belver, Inmaculada (IEEE, 2009-07)
      Commercially available sag-tension programs give good results for most practical applications. However, they have some limitations concerning gap-type conductors. A separate aluminum and core creep calculation is needed ...
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      Flexural Strength Prediction Models for Soil–Cement from Unconfined Compressive Strength at Seven Days 

      Linares-Unamunzaga, Alaitz; Pérez Acebo, Heriberto; Rojo, Marta; Gonzalo-Orden, Hernán (MDPI, 2019-01-26)
      Soil⁻cement is an environmentally friendly road construction technique for base and subbase materials, which allows employing soils placed in the right-of-way of the road or in the surroundings, by improving its engineering ...
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      Flicker of Modern Lighting Technologies Due to Rapid Voltage Changes 

      Lodetti, Stefano; Azcarate Blanco, Izaskun; Gutiérrez Ruiz, José Julio; Leturiondo Arana, Luis Alberto; Redondo Serrano, Koldo; Saiz Agustín, Purificación; Melero, Julio J.; Bruna, Jorge (MDPI, 2019-03-01)
      The purpose of the present paper is to evaluate the sensitivity of modern lighting technologies to different types of RVCs. In order to do that, 27 modern lampsmainly LEDhave been subjected to real RVCs and their response ...
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      Flow Control in Wells Turbines For Harnessing Maximum Wave Power 

      Lekube Garagarza, Jon; Garrido Hernández, Aitor Josu; Garrido Hernández, Izaskun; Otaola Santa Coloma, Erlantz; Maseda Rego, Francisco Javier (MDPI, 2018-02)
      Oceans, and particularly waves, offer a huge potential for energy harnessing all over the world. Nevertheless, the performance of current energy converters does not yet allow us to use the wave energy efficiently. However, ...
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      Fluidic flow delay by ionogel passive pumps in microfluidic paper-based analytical devices 

      Akyazi, Tugce; Sáez Castaño, Janire; Elizalde, Jorge; Benito López, Fernando (Elsevier, 2016-10-05)
      [EN] A new concept for fluid flow manipulation in microfluidic paper-based analytical devices (m-PADs) is presented by introducing ionogel materials as passive pumps. m-PADs were fabricated using a new doubleside contact ...
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      Fluorescence Microscopy of the HIV-1 Envelope 

      Carravilla, Pablo; Nieva Escandón, José Luis; Eggeling, Christian (MDPI, 2020-03-21)
      Human immunodeficiency virus (HIV) infection constitutes a major health and social issue worldwide. HIV infects cells by fusing its envelope with the target cell plasma membrane. This process is mediated by the viral Env ...
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      Fluorinated carbohydrates as chemical probes formolecular recognition studies. Current statusand perspectives 

      Linclau, Bruno; Ardá, Ana; Reichardt, Niels Christian; Sollogoub, Matthieu; Unione, Luca; Vincent, Stéphane P.; Jiménez Barbero, Jesús (Royal Society of Chemistry, 2020-06-21)
      This review provides an extensive summary of the effects of carbohydrate fluorination with regard to changes in physical, chemical and biological properties with respect to regular saccharides. The specific structural, ...
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      FODMAP Intake in Spanish Population: Open Approach for Risk Assessment 

      Miranda Gómez, Jonatan; Vázquez Polo, Maialen; Pérez Junkera, Gesala; Fernández Gil, María del Pilar; Bustamante Gallego, María Ángeles; Navarro Santamaría, Virginia; Simón Magro, Edurne; Martínez González, Olalla (MDPI, 2020-08-13)
      Fermentable oligo-, di- and monosaccharides and polyols’ (FODMAP) were related with intestinal complications. The present study aimed to determine the FODMAP consumption of Spanish children, adolescents and adults, analyzing ...
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      Folding Status Is Determinant over Traffic-Competence in Defining CFTR Interactors in the Endoplasmic Reticulum 

      Santos, João D.; Canato, Sara; Carvalho, Ana S.; Botelho, Hugo M.; Aloria Escolastico, Kerman; Amaral, Margarida D.; Matthiesen, Rune; Falcao, Andre O.; Farinha, Carlos M. (MDPI, 2019-04-14)
      The most common cystic fibrosis-causing mutation (F508del, present in ~85% of CF patients) leads to CFTR misfolding, which is recognized by the endoplasmic reticulum (ER) quality control (ERQC), resulting in ER retention ...
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      Fomentando la reflexión sobre la atención a la diversidad. Estudios de caso en Chile 

      López Vélez, Ana Luisa (2008)
      Desde 1990 el Ministerio de Educación de Chile ha trabajado por el desarrollo de un sistema educativo que responda a la diversidad dentro de un contexto caracterizado por una cultura jerárquica y unas prácticas tradicionales. ...