Now showing items 1-20 of 26

  • A fluid-structure interaction solver for the fluid flow through reed type valves 

    González Acedo, Ignacio; Naseri, Alireza; Rigola Serrano, Joaquim; Pérez Segarra, Carlos David; Oliva Llena, Asensio (Institute of Physics (IOP), 2017)
    Conference lecture
    Open Access
    Suction and discharge processes with self actuated valves have a major influence in efficiency and reliability of hermetic reciprocating compressors. Understanding the operation completely in order to enhance compressor's ...
  • A method for selective hornet Vespa Velutina baited traps using a compressed air cannon 

    Arias Montenegro, Francisco Javier; Heras Jiménez, Salvador Augusto de las (2019-05-28)
    External research report
    Open Access
    The efficiency and selectiveness of baited traps to control the invasive hornet Vespa velutina has been often questioned. Recent studies show that capture of Vespa velutina accounted for less than 1% of all captures, ...
  • Balanç energètic d'equips consumidors. Mesura i càlcul 12: Compressors 

    García-Almiñana, Daniel; Cabeza Fabra, Luisa Fernanda (Institut Català d'Energia, 2016-12)
    Book
    Open Access
    Dotzè mòdul de la col·lecció "Balanç energètic d'equips consumidors" que pretén oferir material de formació per a realitzar mesures de camp amb instruments portàtils i conèixer el balanç energètic dels sistemes en estudi, ...
  • BladeDesigner beta testing process & getting started guide 

    Antillach Paris, Jordi (Universitat Politècnica de Catalunya, 2011-07-13)
    Bachelor thesis
    Open Access
    This essay represent the culminating point of the work carried on by students of TUM university that during the last 3 years have initiated a development process to create a CAD tool to design compressors for aeronautical ...
  • Calculateur de jeux sous-redresseurs 

    Llatser Nieto, Gloria (Universitat Politècnica de Catalunya / École Centrale Lyon, 2013)
    Bachelor thesis
    Restricted access - author's decision
    Covenantee:  École centrale de Lyon
    Le sujet de ce stage concerne le compresseur haute pression d’un moteur de forte puissance (MFP), le GE90-115B. Le rôle d’un CoHP est d’élever la pression du flux d’air primaire en transformant l’énergie cinétique dû à la ...
  • Circuito frigorífico con cargas variables de compresor 

    Mollfulleda Saperas, Josep Oriol (Universitat Politècnica de Catalunya, 2012-09)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    El presente Proyecto de Fin de Carrera tiene como punto de partida una maqueta de una máquina frigorífica de baja potencia previamente construida. El objetivo de este proyecto es equipar la maqueta con un compresor a ...
  • Comportament dinàmic d’un circuit frigorífic amb tecnologia inverter 

    vicente Tonico, Marc (Universitat Politècnica de Catalunya, 2013-11)
    Master thesis (pre-Bologna period)
    Restricted access - author's decision
    En aquest projecte es pretén aconseguir un circuit frigorífic amb tecnologia inverter, que tingui bons rendiments en diversos règims de treball i acumuli l’energia obtinguda als règims elevats. Aquest equip es planteja, a ...
  • Compress-and-forward cooperative MIMO relaying with full channel state information 

    Simoens, Sebastien; Muñoz Medina, Olga; Vidal Manzano, José; Coso, Aitor del (2010-02)
    Article
    Open Access
  • Compressible 1D-3D simulation of a muffler with pseudosound prediction levels 

    López Mas, Joan; Ruano Pérez, Jesús; Lehmkuhl Barba, Oriol; Rigola Serrano, Joaquim; Oliva Llena, Asensio (International Institute of Refrigeration, 2015)
    Conference report
    Restricted access - publisher's policy
    Numerical software for the simulation of thermal and fluid-dynamic behavior of hermetic reciprocating compressors is a must for its understanding and improvement. Hence, these tools are widely used to improve ...
  • Data analytics for performance evaluation under uncertainties applied to an industrial refrigeration plant 

    Cirera Balcells, Josep; Cariño Corrales, Jesús Adolfo; Zurita Millán, Daniel; Ortega Redondo, Juan Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2019-01-01)
    Article
    Open Access
    Artificial intelligence has bounced into industrial applications contributing several advantages to the field and have led to the possibility to open new ways to solve many actual problems. In this paper, a data-driven ...
  • Diseño e implementación del sistema de compresión Parallel-FAPEC 

    García Almoril, Sergio (Universitat Politècnica de Catalunya, 2015-02)
    Master thesis (pre-Bologna period)
    Open Access
    [ANGLÈS] Starting from a compression system already defined and implemented; a parallelization module is designed in order to distribute the functionality and execution of the compression on different concurrent processors; ...
  • Dispositiu de protecció de l'equip de fred en vehicles isotèrmics 

    Cazorla Ferre, Xavier (Universitat Politècnica de Catalunya, 2015-06)
    Bachelor thesis
    Open Access
    La empresa OT-Fred és dedica al disseny i producció de kits per adaptar unitats de fred a vehicles de transport de mercaderies. Observen que la fallida del compressor de la unitat de fred pot porta greus conseqüències pel ...
  • Disseny i implementació d'un nou sistema de control per a simulador de compressió 

    Olivella Matutes, Albert (Universitat Politècnica de Catalunya, 2010-01)
    Master thesis (pre-Bologna period)
    Open Access
  • Estudio del comportamiento acústico del silenciador de un compresor hermético 

    Mellado Zambrano, Daniel (Universitat Politècnica de Catalunya, 2015-06-09)
    Bachelor thesis
    Restricted access - confidentiality agreement
  • Etude de la qualité des maillages par éléments finis en comportement mécanique 

    Pitarch Casado, Pau (Universitat Politècnica de Catalunya / Institut Supérieur de l’Aéronautique et de l’Espace, 2008)
    Master thesis (pre-Bologna period)
    Restricted access - confidentiality agreement
  • FAPEC integration as an HDF5 filter 

    Dueñas Pedrosa, Sergi (Universitat Politècnica de Catalunya, 2016-07)
    Master thesis (pre-Bologna period)
    Open Access
    In this work we propose a solution to some of the problems found in supercomputing environments by combining an extremely efficient, standard, open-source data manager suite with a high-performance data compressor. We do ...
  • Feasibility study of the PEC compressor in HDFS file format 

    Estepa Sánchez, Carlos (Universitat Politècnica de Catalunya, 2011-11-15)
    Master thesis (pre-Bologna period)
    Open Access
    English: Improvement of the astrometric format GBIN using HFG5+ PEC.
  • Modular simulation of vapour compression systems with an object oriented tool 

    Ablanque Mejía, Nicolás; Oliet Casasayas, Carles; Rigola Serrano, Joaquim; Lehmkuhl Barba, Oriol; Pérez Segarra, Carlos David (2013)
    Conference report
    Restricted access - publisher's policy
    The objective of this work is to simulate vapour compression refrigeration systems through a modular approach by means of an object - oriented numerical tool called NEST. For this purpose, the global system is modeled as ...
  • Numerical dynamic analysis of reciprocating compressor mechanism. Parametric studies for optimization purposes 

    Pont Vilchez, Arnau; López Mas, Joan; Rigola Serrano, Joaquim; Pérez Segarra, Carlos David (2017-01)
    Article
    Open Access
    A complete numerical dynamic analysis of reciprocating compressor mechanism is presented, coupling the instantaneous pressure in the compression chamber, the electric motor torque and the hydrodynamic reactions, which arise ...
  • Numerical simulation of piston leakage over hermetic reciprocating compressors behavior. 

    Rigola Serrano, Joaquim; Pérez Segarra, Carlos David; Oliva Llena, Asensio (2009-09-07)
    Conference lecture
    Open Access
    Instantaneous flow leakage between piston and cylinder is numerically evaluated. Reynolds equation is solved to calculate the pressure leakage distribution through the piston in the compressor. Piston movement inside the ...