Now showing items 21-29 of 29

    • Numerical study of natural convection heat transfer from an isothermal thin plate. 

      Jaramillo Ibarra, Julian Ernesto; Oliva Llena, Asensio; Pérez Segarra, Carlos David; Soria Guerrero, Manel (2009)
      Conference lecture
      Restricted access - publisher's policy
      In this work detailed numerical simulations of natural convection heat transfer around an isothermal thin plate with different inclinations are carried out. The numerical approach is based on the finite volume technique ...
    • On the boundary layer development and heat transfer from a sphere at moderate Reynolds numbers 

      Rodríguez Pérez, Ivette María; Lehmkuhl, Oriol; Soria Guerrero, Manel; Gómez, Samuel; Domínguez Pumar, Manuel; Kowalski, Lukasz (2018)
      Conference report
      Restricted access - publisher's policy
      Direct and large-eddy numerical simulations have been performed for a heated sphere at Reynolds numbers 200, 300, 500, 750, 1000 and 104, in the context of the development of a spherical wind sensor for Mars atmosphere ...
    • On the effects of free-stream turbulence intensity in the fluid flow and heat transfer from a sphere at subcritical Reynolds numbers 

      Rodríguez Pérez, Ivette María; Lehmkuhl, Oriol; Soria Guerrero, Manel; Gomez, Samuel; Domínguez Pumar, Manuel; Kowalski, Lukasz (2018)
      Conference lecture
      Restricted access - publisher's policy
      In this work, the effect of the free-stream turbu-lence on the heat transfer and the near wake behind a sphere is studied at moderate Reynolds numbers of ¿¿ ¿ ¿¿¿¿ and ¿¿ ¿ ¿¿¿. Turbulence delays the sep-aration of the ...
    • Parallel multigrid algorithms for computational fluid dynamics and heat transfer 

      Soria Guerrero, Manel (Universitat Politècnica de Catalunya, 2000-07-18)
      Doctoral thesis
      Open Access
      The main purpose of the dissertation is to contribute to the development of numerical techniques for computational heat transfer and fluid flow, suitable for low cost (loosely coupled) parallel computers. It is focused on ...
    • Parameter-free modelling of a turbulent differentially heated cavity with Rayleigh number up to 10e11 

      Trias Miquel, Francesc Xavier; Soria Guerrero, Manel; Gorobets, Andrei; Verstappen, R.W.C.P. (2009-09-14)
      Conference lecture
      Restricted access - publisher's policy
      Since direct numerical simulations of natural convection in a differentially heated cavity cannot be performed at high Rayleigh numbers, a dynamically less complex mathematical formulation is sought. In the quest for such ...
    • Parameter-free symmetry-preserving regularization modeling of a turbulent differentially heated cavity 

      Trias Miquel, Francesc Xavier; Verstappen, R.W.C.P.; Gorobets, Andrei; Soria Guerrero, Manel; Oliva Llena, Asensio (2010-06-23)
      Article
      Restricted access - publisher's policy
      Since direct numerical simulations of buoyancy driven flows cannot be computed at high Rayleigh numbers, a dynamically less complex mathematical formulation is sought. In the quest for such a formulation, we consider ...
    • Parameter-free symmetry-preserving regularization modelling of turbulent natural convection flows 

      Trias Miquel, Francesc Xavier; Verstappen, R.W.C.P.; Soria Guerrero, Manel; Oliva Llena, Asensio (2009)
      Conference report
      Open Access
      Since direct numerical simulations of natural convection flows cannot be performed at high Ra-numbers, a dynamically less complex mathematical formulation is sought. In the quest for such a formulation, we consider ...
    • Turbulent flow around a wall-mounted cube: direct numerical simulation and regularization modelling. 

      Trias Miquel, Francesc Xavier; Gorobets, Andrei; Verstappen, R.W.C.P.; Soria Guerrero, Manel; Oliva Llena, Asensio (2009)
      Conference lecture
      Restricted access - publisher's policy
      Since direct numerical simulation (DNS) cannot be performed at high Reynolds number, a dynamically less complex mathematical formulation is sought. In the quest for such formulation, we consider regularization (smooth ...
    • Turbulent natural convection in an open cavity: a numerical study 

      Chiva Segura, Jorge; Soria Guerrero, Manel; Oliva Llena, Asensio; Lehmkuhl Barba, Oriol (2009)
      Conference lecture
      Restricted access - publisher's policy
      In this paper three-dimensional turbulent natural convection heat transfer in a simplified solar receiver open cavity is studied. Smagorinsky-LES (Large Eddy Simulation) model is chosen for turbulence flow computation. The ...