Ara es mostren els items 1-20 de 31

  • An empirical methodology for prediction of shape and flow rate of a free-falling non-submerged liquid and casting iron stream 

    Gámez Montero, Pedro Javier; Castilla López, Roberto; Freire Venegas, Francisco Javier; Khamashta Llorens, Maria; Codina Macià, Esteban (2016-09-19)
    Article
    Accés obert
    The work presented in this article demonstrates the use of an empirical and simplified approach based on an optical technique and a home-made ad hoc code that give knowledge of the shape and falling velocity of a free-falling ...
  • A novel fabrication technique to minimize poly(dimethylsiloxane)-microchannels deformation under high-pressure operation 

    Madadi, Hojjat; Mohammadi, Mahdi; Casals Terré, Jasmina; Castilla López, Roberto (2013-10-27)
    Article
    Accés restringit per política de l'editorial
    PDMS is one of the most common materials used for the flow delivery in the microfluidics chips, since it is clear, inert, nontoxic, and nonflammable. Its inexpensiveness, straightforward fabrication, and biological ...
  • A simplified methodology to evaluate the design specifications of hydraulic components 

    Roquet, Pedro; Gámez Montero, Pedro Javier; Castilla López, Roberto; Raush Alviach, Gustavo Adolfo; Codina Macià, Esteban (Multidisciplinary Digital Publishing Institute, 2018-09-11)
    Article
    Accés obert
    The fatigue of a hydraulic component inherently varies due to various factors that can be divided into two categories: structural and load spectrum variability. The effects of both variabilities must be considered when ...
  • Computational fluid dynamics and particle image velocimetry assisted design tools for a new generation of trochoidal gear pumps 

    García Vilchez, Mercedes; Gámez Montero, Pedro Javier; Codina Macià, Esteban; Castilla López, Roberto; Raush Alviach, Gustavo Adolfo; Freire Venegas, Francisco Javier; Río Cano, Carlos (2015)
    Article
    Accés obert
    Trochoidal gear pumps produce significant flow pulsations that result in pressure pulsations, which interact with the system where they are connected, shortening the life of both the pump and circuit components. And this ...
  • Diffusion and scaling in the ocean surface 

    Díez Rilova, Margarita; Bezerra Menezes, María Ozilea; Vila, Teresa; Castilla López, Roberto; Redondo Apraiz, José Manuel (2010)
    Text en actes de congrés
    Accés restringit per política de l'editorial
  • Enabling novel Lab-on-chip applications through optimization of integrated micropillar pumps 

    Madadi, Hojjat; Castilla López, Roberto; Casals Terré, Jasmina (Campus de Terrassa de la UPC, 2013-06-13)
    Text en actes de congrés
    Accés obert
    Prediction and reduction of pressure drop and resistance flow in micropillar arrays is important for the design of microfluidic circuits used in different lab-on-a-chip and biomedical applications. In this work, a diamond ...
  • Estimation of wall shear stress using 4D flow cardiovascular MRI and computational fluid dynamics 

    Soudah Prieto, Eduardo; Casacuberta Puig, Jordi; Gámez Montero, Pedro Javier; Raush Alviach, Gustavo Adolfo; Castilla López, Roberto (2016-10-26)
    Article
    Accés obert
    In the last few years, wall shear stress (WSS) has arisen as a new diagnostic indicator in patients with arterial disease. There is a substantial evidence that the WSS plays a significant role, together with hemodynamic ...
  • Experimental analysis of the flow dynamics in the suction chamber of an external gear pump 

    Ertürk, Nihal; Vernet, Anton; Castilla López, Roberto; Gámez Montero, Pedro Javier; Ferre, Josep Anton (2011-01)
    Article
    Accés restringit per política de l'editorial
    Time-Resolved Particle Image Velocimetry (TRPIV) has been used to investigate the flow inside the suction chamber of an external gear pump where the movement of the fluid through the pump is maintained by the rotation of ...
  • Experimental measurements and diffusion in harbor and coastal zones 

    Díez Rilova, Margarita; Bezerra Menezes, María Ozilea; Mösso Aranda, César; Castilla López, Roberto; Redondo Apraiz, José Manuel (2009-07-17)
    Article
    Accés restringit per política de l'editorial
    Experimental results of turbulent flows in the sea surface near the coastline have been performed using both Lagrangian and Eulerian methods, field tests are presented using video recordings and velocity sensors. The spatial ...
  • Experimental study on the impulsion port of a trochoidal wheeled pump 

    Raush Alviach, Gustavo Adolfo; Gámez Montero, Pedro Javier; Castilla López, Roberto; Codina Macià, Esteban (2017-06-01)
    Article
    Accés restringit per política de l'editorial
    All positive displacement pumps produce a pulsating flow. The present paper reports the experimental measurement of steady flow pulsations in the outlet of the internal wheeled pump. In the measured flow, the manufacturing ...
  • Flexible rod design for educational wind balance 

    Raush Alviach, Gustavo Adolfo; Castilla López, Roberto; Gámez Montero, Pedro Javier; Wojciechowski, Jakub; Codina Macià, Esteban (2016-03-07)
    Article
    Accés obert
    This article provides a technical description of a flexible hinge for wind tunnel rigs. For academic purposes, the device was integrated into several rod flexures to build a home-made external wind balance system. The ...
  • GeroMAG: in-house prototype of an innovative sealed, compact and non-shaft-driven gerotor pump with magnetically-driving outer rotor 

    Gámez Montero, Pedro Javier; Castilla López, Roberto; Codina Macià, Esteban; Freire Venegas, Francisco Javier (2017-03-26)
    Article
    Accés obert
    The technology of gerotor pumps is progressing towards cutting-edge applications in emerging sectors, which are more demanding for pump performance. Moreover, recent environmental standards are heading towards leakage-free ...
  • Heating of saturated porous media in practice: several causes of local thermal non-equilibrium 

    Virto Albert, Luis; Carbonell Ventura, Montserrat; Castilla López, Roberto; Gámez Montero, Pedro Javier (2009-11)
    Article
    Accés restringit per política de l'editorial
    In recent years the industrial applications of porous materials has shown a growing relevance. Most of the technological thermal processes in porous media involve time-dependent thermal conditions. Therefore, the temperature ...
  • Hemodynamics in the thoracic aorta using OpenFOAM: 4D PCMRI versus CFD 

    Casacuberta Puig, Jordi; Soudah Prieto, Eduardo; Gámez Montero, Pedro Javier; Raush Alviach, Gustavo Adolfo; Castilla López, Roberto; Pérez Ronda, Jorge Suit (2015-03-01)
    Llibre
    Accés obert
  • High-throughput microcapillary pump with efficient integrated low aspect ratio micropillars 

    Madadi, Hojjat; Casals Terré, Jasmina; Castilla López, Roberto; Sureda Anfres, Miquel (2013-12)
    Article
    Accés restringit per política de l'editorial
    Prediction and reduction of pressure drop and resistance flow in micropillar arrays are important for the design of microfluidic circuits used in different lab-on-a-chip and biomedical applications. In this work, a diamond ...
  • Magnet-sleeve-sealed mini trochoidal-gear pump prototype with polymer composite gear 

    Gámez Montero, Pedro Javier; Antoniak, Piotr; Castilla López, Roberto; Freire Venegas, Francisco Javier; Krawczyk, Justyna; Stryczek, Jaroslaw; Codina Macià, Esteban (2017-09-21)
    Article
    Accés obert
    The trochoidal-gear technology has been growing in groundbreaking fields. Forthcoming applications are demanding to this technology a step forward in the conceiving stage of positive displacement machines. The compendium ...
  • Method for fluid flow simulation of a gerotor pump using OpenFOAM 

    Castilla López, Roberto; Gámez Montero, Pedro Javier; Raush Alviach, Gustavo Adolfo; Codina Macià, Esteban (2017-07-21)
    Article
    Accés restringit per política de l'editorial
    A new approach based on the open source tool OpenFOAM is presented for the numerical simulation of a mini gerotor pump working at low pressure. The work is principally focused on the estimation of leakage flow in the ...
  • Methodology based on best practice rules to design a new-born trochoidal gear pump 

    Gámez Montero, Pedro Javier; Castilla López, Roberto; Codina Macià, Esteban (2017-02-10)
    Article
    Accés obert
    The trochoidal gear pump, also known as gerotor, owing to its remarkable advantages compared to other hydraulic pumps is chosen for many engineering applications. As each application is unique, the designer ought to be ...
  • Methodology for developing teaching activities and materials for use in fluid mechanics courses in undergraduate engineering programs 

    Gámez Montero, Pedro Javier; Raush Alviach, Gustavo Adolfo; Domènech Rubio, Luis Miguel; Castilla López, Roberto; García Vilchez, Mercedes; Moreno Llagostera, Hipòlit; Carbo Bech, Alberto Antonio (OmniaScience, 2015-03)
    Article
    Accés obert
    “Mechanics” and “Fluids” are familiar concepts for any newly-registered engineering student. However, when combined into the term “Fluid Mechanics”, students are thrust into the great unknown. The present article demonstrates ...
  • Numerical analysis of the shaft motion in the journal bearing of a gear pump 

    Castilla López, Roberto; Gutés Serra, Mario; Gámez Montero, Pedro Javier; Codina Macià, Esteban (2010-01)
    Article
    Accés restringit per política de l'editorial
    This paper describes a numerical analysis of the dynamics of the shaft in the journal bearing of a gear pump.