Ara es mostren els items 1-20 de 29

  • Air recovery assessment on high-pressure pneumatic systems 

    Trujillo, J. A.; Gámez Montero, Pedro Javier; Codina Macià, Esteban (2016-05-23)
    Article
    Accés obert
    A computational simulation and experimental work of the fluid flow through the pneumatic circuit used in a stretch blow moulding machine is presented in this paper. The computer code is built around a zero-dimensional ...
  • 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 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 ...
  • Bond graph simulation of error propagation in position estimation of a hydraulic cylinder using low cost accelerometers 

    Algar, Antonio; Codina Macià, Esteban; Freire Venegas, Francisco Javier (2018-10-01)
    Article
    Accés obert
    The indirect calculation from acceleration of transversal displacement of the piston inside the body of a double effect linear hydraulic cylinder during its operating cycle is assessed. Currently an extensive effort exists ...
  • 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 ...
  • Endurance Test 

    Bonastre Martí, Jaume; Freire Venegas, Francisco Javier; Codina Macià, Esteban; Khamashta Shahin, Munir Andrawes (2013-02-08)
    Report de recerca
    Accés restringit per acord de confidencialitat
  • Experimental study of 3D movement in cushioning of hydraulic cylinder 

    Algar, Antonio; Codina Macià, Esteban; Freire Venegas, Francisco Javier (2017-05-25)
    Article
    Accés obert
    A double acting cylinder operation has been fully monitored in its key functional parameters, focused on characterization of end-of-stroke cushioning and starting phases. Being the cylinder performance reliant in the piston ...
  • 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 ...
  • Fluidotecnia : problemas resueltos 

    Gámez Montero, Pedro Javier; Codina Macià, Esteban (Iniciativa Digital Politècnica. Oficina de Publicacions Acadèmiques Digitals de la UPC, 2018-12)
    Llibre
    Accés restringit a la comunitat UPC
    Este libro se ha concebido como una colección de problemas resueltos en el ámbito de la fluidotecnia. Se entiende por resolución de problemas una concepción sistémica que estructura una determinada práctica dentro del ...
  • 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 ...
  • Hydraulic components fatigue assessment based on real-life load histories 

    Roquet Fernandez de Aramburo, Pere; Perez, Juan José; Codina Macià, Esteban (INMA Bucharest, 2017)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Many safety-critical hydraulic components in agricultural and other off-road mobile machinery experience static as well as time-varying loads, and obviously they undergo the latter during a major portion of their service ...
  • Hydrostatic steering system and energy saving evaluation in idle regime 

    Massarotti, Giorgio Paolo; MARANI, Pietro; Ruggeri, Massimiliano; Codina Macià, Esteban (The Japan Fluid Power System Society, 2017)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The main goal of modern steering systems is to ensure the feeling of control whilst keeping an high safety level since steering is one of the most critical function of a mobile machine. In manifold mobile machines the ...
  • 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 ...
  • Máquinas hidráulicas : problemas resueltos 

    Codina Macià, Esteban; Bergadà Granyó, Josep Maria; Heras Jiménez, Salvador Augusto de las (Edicions UPC, 1998)
    Llibre
    Accés restringit a la comunitat UPC
    En el libro que se presenta, se repasan algunos de los temas básicos sobre máquinas hidráulicas que todo Ingeniero debe conocer. Los problemas que aquí se exponen, son fruto de más de 15 años de docencia, y en su mayoría ...
  • 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 ...
  • New high sensitivity MEMS sensor for indirect pressure measurement 

    Ruggeri, Massimiliano; Massarotti, Giorgio Paolo; Codina Macià, Esteban (The Japan Fluid Power System Society, 2017)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Sensorization of modern electro-hydraulic systems is one of the key technologies for system observability and controllability. Increasing needs for closed loop controls, high precision, power control and energy monitoring, ...
  • 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.
  • 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)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    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 ...