Enviaments recents

  • Dynamic numerical simulation of a mechanical vapour compression (MVC) desalination system that use renewable source energy 

    Morales Ruíz, Sergio; Rigola Serrano, Joaquim; Castro González, Jesús; Oliet Casasayas, Carles; Oliva Llena, Asensio (International Solar Energy Society, 2017)
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    This paper presents a numerical model to analyse the thermal and fluid dynamic behaviour of a mechanical vapour compression MVC desalination system, which uses renewable energy to supply the electricity required by the ...
  • Development of a high accurate numerical platform for the thermal and optical optimization of linear Fresnel receivers 

    Guadamud Anchundia, Erick Alejandro; Chiva Segura, Jorge; Colomer Rey, Guillem; Farnós Baulenas, Joan; Al Mers, Ahmed; Rigola Serrano, Joaquim; Pérez Segarra, Carlos David (International Solar Energy Society, 2017)
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    This paper represents an advanced methodology for the detailed modeling of the heat transfer and fluids dynamics phenomena in Linear Fresnel receivers. The present work aims at modeling Linear Fresnel elements (e.g. ...
  • Development, optimization and test performance of highly efficient flat plate solar collector with transparent insulation and low-cost overheating protection 

    Kizildag, Deniz; Castro González, Jesús; Kessentini, Hamdi; Rigola Serrano, Joaquim; Oliva Llena, Asensio (International Solar Energy Society, 2017)
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    The present work addresses a flat plate solar collector with transparent insulation material (TIM) and high temperature protection system. The design and optimization of the collector have been numerically carried out by ...
  • Development and experimental validation of a multi-functional façade model within an object oriented platform 

    Kizildag, Deniz; Rigola Serrano, Joaquim; Oliva Llena, Asensio (International Solar Energy Society, 2017)
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    The present work is on the experimental validation of a multi-functional façade model developed within an objectoriented simulation platform. An existing building façade is retrofitted by means of PV and vacuum insulation ...
  • Control strategy approach based on the operational results of a small capacity direct air -cooled LiBr -Water absorption chiller 

    Farnós Baulenas, Joan; Castro González, Jesús; Papakokkinos, Giorgos; Oliva Llena, Asensio (International Solar Energy Society, 2017)
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    The scope of this paper is to give a short overview of the state of the art regarding control strategies, identify the role of different operating conditions, and provide useful suggestions for the design and operation of ...
  • Dynamic modelling of an air-cooled LiBr-H2O absorption chiller based on heat and mass transfer empirical correlations 

    Farnós Baulenas, Joan; Castro González, Jesús; Papakokkinos, Giorgos; Morales Ruíz, Sergio; Oliva Llena, Asensio (2017)
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    The paper describes the numerical modelling of a direct air-cooled single-effect absorption chiller and validates the obtained results by means of experimental data obtained from an own-designed and commissioned small ...
  • Memory aware poisson solver for peta-scale simulations with one FFT diagonalizable direction 

    Oyarzun Altamirano, Guillermo; Borrell Pol, Ricard; Trias Miquel, Francesc Xavier; Oliva Llena, Asensio (Institute of Electrical and Electronics Engineers (IEEE), 2017)
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    Problems with some sort of divergence constraint are found in many disciplines: computational fluid dynamics, linear elasticity and electrostatics are examples thereof. Such a constraint leads to a Poisson equation which ...
  • Experimental and numerical study of the dynamic behavior of an air to water heat pump 

    Ablanque Mejía, Nicolás; Torras Ortiz, Santiago; Aizpurua Udabe, Imanol; Oliet Casasayas, Carles; Rigola Serrano, Joaquim (Phetradico Communication and Publishing, 2017)
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    This work is focused on studying the dynamic behavior of an air to water heat pump both experimentally and numerically. The system consists of a conventional heat pump cycle (compressor, condenser, capillary tube and ...
  • On the solution of the problem of a drop falling against a plane by using a level set - moving mesh - immersed boundary method 

    Gutiérrez Álvarez, Enrique; Favre Samarra, Federico; Balcazar, Nestor; Rigola Serrano, Joaquim (WIT Press, 2018)
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    A coupled Conservative Level Set – Moving Mesh – Immersed Boundary method is formulated and validated against the three-dimensional gravity-driven falling drop problem. First, by employing Conservative Level-Set (CLS) ...
  • DNS of the wall effect on the motion of bubble swarms 

    Balcázar, Nestor; Castro González, Jesús; Rigola Serrano, Joaquim; Oliva Llena, Asensio (Elsevier, 2017)
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    This paper presents a numerical study of the gravity-driven motion of single bubbles and bubble swarms through a vertical channel, using High-Performance Computing (HPC) and Direct Numerical Simulation (DNS) of the ...
  • 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)
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    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 ...
  • Numerical simulation of turbulence at lower costs: regularization modeling 

    Trias Miquel, Francesc Xavier; Gorobets, Andrei; Soria Guerrero, Manel; Oliva Llena, Asensio (2011)
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    This work is devoted to the development of efficient methods for the numerical simulation of incompressible flows on modern supercomputers. Direct simulation of the Navier-Stokes equations is nowadays an essential tool ...

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