Now showing items 1-18 of 18

    • A CFD-based surrogate model for predicting flow parameters in a ventilated room using sensor readings 

      Morozova, Nina; Trias Miquel, Francesc Xavier; Capdevila Paramio, Roser; Schillaci, Eugenio; Oliva Llena, Asensio (2022-07-01)
      Article
      Restricted access - publisher's policy
      In this work, we develop a computational fluid dynamics (CFD)-based surrogate model, which predicts flow parameters under different geometrical configurations and boundary conditions in a benchmark case of a mechanically ...
    • A free surface model for the numerical simulation of oscillating water column systems 

      Schillaci, Eugenio; Balcázar Arciniega, Néstor; Jofre Cruanyes, Lluís; Lehmkuhl Barba, Oriol; Castro González, Jesús (International Association for Computational Mechanics (IACM), 2014)
      Conference report
      Restricted access - publisher's policy
      The aim of this work is to propose and validate a numerical model that represents the hydrodynamic behavior of an Oscillating Water Column (OWC) device, that has been shown to be one of the most promising ways to extract ...
    • A level-set aided single-phase model for the numerical simulation of free-surface flow on unstructured meshes 

      Schillaci, Eugenio; Jofre Cruanyes, Lluís; Balcázar Arciniega, Néstor; Lehmkuhl Barba, Oriol; Oliva Llena, Asensio (Elsevier, 2016-11-25)
      Article
      Open Access
      A new single-phase scheme for the numerical simulation of free-surface problems on 3-D unstructured meshes is presented. The flow field is obtained from the discrete solution of the incompressible Navier-Stokes equations, ...
    • A low-dissipation convection scheme for the stable discretization of turbulent interfacial flow 

      Schillaci, Eugenio; Jofre Cruanyes, Lluís; Balcázar Arciniega, Néstor; Antepara Zambrano, Óscar; Oliva Llena, Asensio (Elsevier, 2017-08-10)
      Article
      Open Access
      This paper analyzes a low-dissipation discretization for the resolution of immiscible, incompressible multiphase flow by means of interface-capturing schemes. The discretization is built on a three-dimensional, unstructured ...
    • A numerical study of liquid atomization regimes by means of conservative level-set simulations 

      Schillaci, Eugenio; Antepara Zambrano, Óscar; Balcázar Arciniega, Néstor; Rigola Serrano, Joaquim; Oliva Llena, Asensio (Elsevier, 2019-01-30)
      Article
      Open Access
      In this work, a conservative level-set finite-volume solver for interface-capturing is employed to perform the direct numerical simulation of Liquid Jets discharging into a quiescent air chamber. The scope is to propose a ...
    • Direct numerical simulation of multiphase flows with unstable interfaces 

      Schillaci, Eugenio; Lehmkuhl Barba, Oriol; Antepara Zambrano, Óscar; Oliva Llena, Asensio (Institute of Physics (IOP), 2016-09-01)
      Article
      Open Access
      This paper presents a numerical model that intends to simulate efficiently the surface instability that arise in multiphase flows, typically liquid-gas, both for laminar or turbulent regimes. The model is developed on the ...
    • DNS of multiphase flows: study of atomization and free-surface phenomena 

      Schillaci, Eugenio (Universitat Politècnica de Catalunya, 2017-12-11)
      Doctoral thesis
      Open Access
      The present thesis focuses on the numerical analysis of some diverse physical set-up that involve the interaction of two -or three immiscible and incompressible phases. The simulations are carried out by means of finite-volume ...
    • Effectiveness of adaptive mesh refinement strategies in the DNS of multiphase flows 

      Schillaci, Eugenio; Antepara Zambrano, Óscar; Lehmkuhl Barba, Oriol; Balcázar Arciniega, Néstor; Oliva Llena, Asensio (Begell House, 2015)
      Conference report
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      In this work, a finite-volume Adaptive Mesh Refinement (AMR) method for two phase flows able to dynamically achive the required mesh size in specific parts of the domain has been developed. The Navier-Stokes equations for ...
    • Experimental and numerical analysis of reed valve movement in an impact fatigue test system and reciprocating compressors 

      Tofique, Muhammad Waqas; Löf, Alexander; Schillaci, Eugenio; Castrillo Green, Pablo; Rigola Serrano, Joaquim (Purdue University, 2021)
      Conference report
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      During operation of a reciprocating compressor, its flapper valve opens to allow the passage of gases and closes by striking against the valve impact plate. This reed valve movement and impact is repeated billions of times. ...
    • First test field performance of highly efficient flat plate solar collectors with transparent insulation and low-cost overheating protection 

      Kizildag, Deniz; Castro González, Jesús; Kessentini, Hamdi; Schillaci, Eugenio; Rigola Serrano, Joaquim (2022-04)
      Article
      Restricted access - publisher's policy
      The present work demonstrates prototypes of highly efficient flat plate solar thermal collectors prototypes based on transparent insulation materials (TIM) technology for efficiency improvement and an overheating protection ...
    • High-order finite volume method for linear elasticity on unstructured meshes 

      Castrillo Green, Pablo; Canelas, Alfredo; Schillaci, Eugenio; Rigola Serrano, Joaquim; Oliva Llena, Asensio (2022-08-01)
      Article
      Restricted access - publisher's policy
      This paper presents a high-order finite volume method for solving linear elasticity problems on two-dimensional unstructured meshes. The method is designed to increase the effectiveness of finite volume methods in solving ...
    • Numerical Analysis of Viscoelastic Fluid Injection Processes 

      Amani, Ahmad; Schillaci, Eugenio; Kizildag, Deniz; Pérez Segarra, Carlos David (2021)
      Conference report
      Open Access
      In this work, a numerical framework aimed at simulating high-viscous and viscoelastic liquid injection processes is presented. The study of fluid injection with viscoelastic properties, such as synthetic polymers, is of ...
    • Numerical modeling and experimental validation of meat burgers and vegetarian patties cooking process with an innovative IR laser system 

      Schillaci, Eugenio; Gràcia Julià, Alvar; Capellas Puig, Marta; Rigola Serrano, Joaquim (John Wiley & sons, 2022-06-14)
      Article
      Restricted access - publisher's policy
      In this paper, a numerical model for the simulation of the cooking process of meat burgers and vegetarian patties by means of an IR laser beam is presented. The innovative cooking system is thought to be integrated within ...
    • Numerical simulation of fluid structure interaction in free-surface flows: the WEC case 

      Schillaci, Eugenio; Favre, F.; Troch, Peter; Oliva Llena, Asensio (Institute of Physics (IOP), 2021-12-08)
      Article
      Open Access
      In this work we present a numerical framework to carry-out numerical simulations of fluid-structure interaction phenomena in free-surface flows. The framework employs a singlephase method to solve momentum equations and ...
    • Numerical study of an impulse wave generated by a sliding mass 

      Schillaci, Eugenio; Favre Samarra, Federico; Antepara Zambrano, Óscar; Balcázar Arciniega, Néstor; Oliva Llena, Asensio (WIT Press, 2018)
      Article
      Open Access
      In this work, a numerical framework for the direct numerical simulation of tsunami waves generated by landslide events is proposed. The method, implemented on the TermoFluids numerical platform, adopts a free surface model ...
    • On estimating the interface normal and curvature in PLIC-VOF approach for 3D arbitrary meshes 

      Amani, Ahmad; Muela Castro, Jordi; Schillaci, Eugenio; Castro González, Jesús (2022-01-03)
      Article
      Open Access
      Volume of fluid (VOF) method with its Piecewise Linear Interface Calculation (PLIC) reconstruction algorithm is one of the most popular approaches in numerical simulation of interfacial flows with a wide range of applications ...
    • Power electronics high performance air-cooled heat sinks integrating graphite based materials 

      Oliet Casasayas, Carles; Mullen, David; Hoell, Klaus; Cochrane, Nathan; Preishuber-Pfluegl, Florian; Rigola Serrano, Joaquim; Bouton, Mathieu; Pontrucher, Marc; Castrillo Green, Pablo; Santos Serrano, Daniel; Schillaci, Eugenio; McKay, Connor; Halimic, Elvedin; Freismuth, Juergen (Purdue University, 2021)
      Conference report
      Restricted access - publisher's policy
      The thermal management of the power electronics cooling in the aircraft is getting more attention in the recent years due to the progressive implementation of electrical systems, especially in the framework of the more ...
    • Simulation of fluid-structure interaction and impact force on a reed valve 

      Castrillo Green, Pablo; Schillaci, Eugenio; Rigola Serrano, Joaquim (2021)
      Conference report
      Open Access
      The cyclic impact force between a reed valve and the seat plate is the main reason of the valve failure in many thermo-technical devices as compressors, engines, etc. According to experimental observations the latter is ...