Recent Submissions

  • Turbulent flow around a square cylinder at Reynolds number 22,000: A DNS study 

    Trias Miquel, Francesc Xavier; Gorobets, Andrei; Oliva Llena, Asensio (Elsevier, 2015-12-21)
    Article
    Restricted access - publisher's policy
    The turbulent flow around a square cylinder at Reynolds number 22,000 (based on the cylinder diameter and the inflow velocity) is studied by means of direct numerical simulation. An overview of the numerical methods and ...
  • Direct numerical simulation of a fully developed turbulent square duct flow up to Re-tau=1200 

    Zhang, Hao; Trias Miquel, Francesc Xavier; Gorobets, Andrey; Tan, Yuanqiang; Oliva Llena, Asensio (2015-08-01)
    Article
    Restricted access - publisher's policy
    Various fundamental studies based on a turbulent duct flow have gained popularity including heat transfer, magnetohydrodynamics as well as particle-laden transportation. An accurate prediction on the turbulent flow field ...
  • Modelling of storage tanks with immersed heat exchangers 

    Cadafalch Rabasa, Jordi; Carbonell Sánchez, Daniel; Consul Serracanta, Ricard; Ruiz Mansilla, Rafael (2015-02-01)
    Article
    Restricted access - publisher's policy
    A model of a storage tank with an immersed serpentine heat exchanger is described and validated against experimental data available from the literature. The tank is modelled one dimensionally using the multi-node approach ...
  • Numerical analysis of the turbulent fluid flow through valves. Geometrical aspects influence at different positions 

    Rigola Serrano, Joaquim; Aljure Osorio, David E.; Lehmkuhl Barba, Oriol; Pérez Segarra, Carlos David; Oliva Llena, Asensio (2015)
    Conference lecture
    Open Access
    The aim of this paper is to carry out a group of numerical experiments over the fluid flow through a valve reed, using the CFD&HT code TermoFluids, an unstructured and parallel object-oriented CFD code for accurate and ...
  • PIBM: Particulate immersed boundary method for fluid-particle interaction problems 

    Zhang, Hao; Trias Miquel, Francesc Xavier; Oliva Llena, Asensio; Yang, Dongmin; Tan, Yuanqiang; Shu, Shi; Sheng, Yong (2015-03-01)
    Article
    Restricted access - publisher's policy
    It is well known that the number of particles should be scaled up to enable industrial scale simulation. The calculations are more computationally intensive when the motion of the surrounding fluid is considered. Besides ...
  • On the flow past a circular cylinder from critical to super-critical Reynolds numbers: Wake topology and vortex shedding 

    Rodríguez Pérez, Ivette María; Lehmkuhl Barba, Oriol; Chiva Segura, Jorge; Borrell Pol, Ricard; Oliva Llena, Asensio (2015-05-13)
    Article
    Restricted access - publisher's policy
    Large-eddy simulations (LES) of the flow past a circular cylinder are used to investigate the flow topology and the vortex shedding process at Reynolds numbers Re=2.5×105-8.5×105Re=2.5×105-8.5×105. This range encompasses ...
  • Numerical evaluation of multi-layered solid-PCM thermocline-like tanks as thermal energy storage systems for CSP applications 

    Galione Klot, Pedro Andrés; Pérez Segarra, Carlos David; Rodríguez Pérez, Ivette María; Torras Ortiz, Santiago; Rigola Serrano, Joaquim (2015-05)
    Article
    Open Access
    The two-tank system is the technology used for thermal energy storage (TES) in current concentrating solar power (CSP) plants. Thermocline storage concept has been considered for more than a decade as a possible solution ...
  • Numerical simulation of non-adiabatic capillary tubes. Special emphasis on the near-saturation zone 

    Ablanque Mejía, Nicolás; Oliet Casasayas, Carles; Rigola Serrano, Joaquim; Oliva Llena, Asensio (Elsevier, 2015-04-15)
    Article
    Restricted access - publisher's policy
    The aim of this article is to present a distributed numerical model that simulates the thermal and fluid-dynamic phenomena inside non-adiabatic capillary tubes. The resolution approach is based on a two-phase flow model ...
  • Building proper invariants for eddy-viscosity subgrid-scale models 

    Trias Miquel, Francesc Xavier; Folch, David; Gorobets, Andrei; Oliva Llena, Asensio (2015-06-23)
    Article
    Open Access
    Direct simulations of the incompressible Navier-Stokes equations are limited to relatively low-Reynolds numbers. Hence, dynamically less complex mathematical formulations are necessary for coarse-grain simulations. ...
  • Accreditation of Spanish Engineering Programs, first experiences. The case of the Terrassa School of Engineering 

    Álvarez del Castillo, María Dolores; Mata Pou, Mireia; Cañavate Ávila, Francisco Javier; Marqués Calvo, José Joaquín; Espot Piñol, Carmen; Forcada Plaza, Santiago; Voltas Aguilar, Jordi; Garrido Soriano, Núria; Sellarès González, Jordi; Gil Bonet, Alfred (2016)
    Article
    Open Access
    The implementation of the European Space for Higher Education has entailed new requirements for Spanish Higher Education Programs. Regulations (RD 1393, 2007) stablish that university programs, in order to have official ...

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