Now showing items 21-40 of 43

    • Gears or rotors-three approaches to design of working units of hydraulic machines 

      Stryczek, Jaroslaw; Bednarczyk, S.; Codina Macià, Esteban; Gámez Montero, Pedro Javier; Ivanovic, Lozica; Matejic, Milos (Institute of Physics (IOP), 2019)
      Conference report
      Open Access
      The gerotor pump has many advantages over other hydraulic pumps, such as high reliability, compactness, lower noise in running conditions etc. Considering the increasingly stringent regulations in the field of environmental ...
    • 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
      Open Access
      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
      Restricted access - publisher's policy
      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)
      Book
      Open Access
    • 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
      Open Access
      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 ...
    • MATERIALS COMPÒSITS (Examen 2n Quadr.) 

      Gámez Montero, Pedro Javier (Universitat Politècnica de Catalunya, 2008-04-17)
      Exam
      Restricted access to the UPC academic community
    • MECÀNICA DE FLUIDS (Examen 1r quadrimestre, 1r parcial) 

      Gámez Montero, Pedro Javier (Universitat Politècnica de Catalunya, 2012-10-30)
      Exam
      Restricted access to the UPC academic community
    • MECÀNICA DE FLUIDS (Examen 1r quadrimestre, 2n parcial) 

      Castilla López, Roberto; Gámez Montero, Pedro Javier; Raush Alviach, Gustavo Adolfo (Universitat Politècnica de Catalunya, 2012-01-19)
      Exam
      Restricted access to the UPC academic community
    • MECÀNICA DE FLUIDS (Examen 1r quadrimestre, 2n parcial) 

      Gámez Montero, Pedro Javier (Universitat Politècnica de Catalunya, 2013-01-09)
      Exam
      Restricted access to the UPC academic community
    • 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
      Restricted access - publisher's policy
      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
      Open Access
      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; Carbó Bech, Alberto Antonio (OmniaScience, 2015-03)
      Article
      Open Access
      “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
      Restricted access - publisher's policy
      This paper describes a numerical analysis of the dynamics of the shaft in the journal bearing of a gear pump.
    • Numerical simulation of a supersonic ejector for vacuum generation with explicit and implicit solver in openfoam 

      Macià Cid, Llorenç; Castilla López, Roberto; Gámez Montero, Pedro Javier; Camacho, Sergi; Codina Macià, Esteban (2019-09-17)
      Article
      Open Access
      Supersonic ejectors are used extensively in all kind of applications: compression of refrigerants in cooling systems, pumping of volatile fluids or in vacuum generation. In vacuum generation, also known as zero-secondary ...
    • Numerical study in a mini trochoidal-gear pump with multi-meshing contact points 

      Gámez Montero, Pedro Javier; Castilla López, Roberto; Buza Barambones, Alexis; Khamashta Shahin, Munir Andrawes; Codina Macià, Esteban (American Society of Mechanical Engineers (ASME), 2016)
      Conference report
      Restricted access - publisher's policy
      A numerical study in a mini trochoidal-gear pump based on an ingenious strategy to adapt the background mesh to the profiles shape and a new boundary condition is presented. The strategy achieves a final background mesh ...
    • Numerical study of impingement location of liquid jet poured from a tilting ladle with lip spout 

      Castilla López, Roberto; Gámez Montero, Pedro Javier; Raush Alviach, Gustavo Adolfo; Khamashta Shahin, Munir Andrawes; Codina Macià, Esteban (2017-04)
      Article
      Open Access
      A new approach for simulating liquid poured from a tilting lip spout is presented, using neither a dynamic mesh nor the moving solid solution method. In this case only the tilting ladle is moving, so we propose to rotate ...
    • Numerical study of the aerodynamics of sound sources in a bass-reflex port 

      García Alcaide, V. M.; Pallejà Cabré, S.; Castilla López, Roberto; Gámez Montero, Pedro Javier; Romeu Garbí, Jordi; Pàmies Gómez, Teresa; Amate, Joan; Milán, Natalia (Engineering Applications of Computational Fluid Mechanics, 2017-01-20)
      Article
      Open Access
      The aim of this paper is to study the aerodynamics phenomena of a bass-reflex port that causes noise in the audible frequency range. After discarding structural and mechanical vibration issues, the hypothesis considered ...
    • Particle dispersion in two-dimensional turbulence: a comparison with 2-D kinematic simulation 

      Castilla López, Roberto; Redondo Apraiz, José Manuel; Gámez Montero, Pedro Javier; Babiano, Armando (University of Thechnology and Agriculture Nicholas Copernicus University, 2007-03)
      Article
      Open Access
      We study numerically the comparison between Lagrangian experiments on turbulent particle dispersion in 2-D turbulent flows performed, on the one hand, on the basis of direct numerical simulations (DNS) and, on the ...
    • Pressure effects on the performance of external gear pumps under cavitation 

      Campo Sud, David del; Castilla López, Roberto; Raush Alviach, Gustavo Adolfo; Gámez Montero, Pedro Javier; Codina Macià, Esteban (2014-11)
      Article
      Restricted access - publisher's policy
      The numerical analysis of an external gear pump with cavitation effects has been validated with experimental data obtained by applying Time-Resolved Particle Image Velocimetry. The effect of inlet and outlet pressure on ...
    • Pressure-drop coefficients for cushioning system of hydraulic cylinder with grooved piston: a computational fluid dynamic simulation 

      Castilla López, Roberto; Alemany, Ignasi; Algar, Antonio; Gámez Montero, Pedro Javier; Roquet, Pedro; Codina Macià, Esteban (2017-10-25)
      Article
      Open Access
      Cushioning is an important aspect in hydraulic cylinder performance. The piston has to be decelerated before it strikes the end cap in order to avoid stresses in the cylinder components and reduce vibration that can be ...