Exploració per autor "Pérez Segarra, Carlos David"
Ara es mostren els items 38-57 de 152
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Development and comparison of different spatial numerical schemes for the radiative transfer equation resolution using three-dimensional unstructured meshes.
(2009)
Comunicació de congrés
Accés restringit per política de l'editorial -
Development of a high accurate numerical platform for the thermal and optical optimization of linear Fresnel receivers
(International Solar Energy Society, 2017)
Comunicació de congrés
Accés restringit per política de l'editorialThis 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. ... -
Direct numerical simulation and Large-Eddy simulations of the turbulent flow around a NACA-0012 airfoil
(2011)
Text en actes de congrés
Accés obertThis paper investigates the capabilities of two subgrid-scale (SGS) models for predicting the complex flow in transitional separated bubbles. We consider here the flow over a NACA 0012 airfoil at Reynolds number Re = 5×10 ... -
Direct Numerical Simulation of the flow over a sphere at Re = 3700
(2009)
Comunicació de congrés
Accés restringit per política de l'editorialThe direct numerical simulation of the flow past a sphere at Re=3700 is presented. The computations are carried out with a parallel unstructured symmetry preserving information for accurate solving complex geometries. As ... -
Direct numerical simulation of the flow over a sphere at Re = 3700
(2011-05-19)
Article
Accés restringit per política de l'editorialThe direct numerical simulation of the flow over a sphere is performed. The computations are carried out in the sub-critical regime at Re = 3700 (based on the free-stream velocity and the sphere diameter). A parallel ... -
Direct Numerical Simulation of the turbulent flow around a NACA 0012 airfoil at different angles of attack
(2011)
Text en actes de congrés
Accés obertDirect numerical simulations (DNS) of the flow dynamics over a NACA 0012 airfoil at Reynolds number Re = 5×104 at different angles of attack are presented. The dynamic of the large separation bubble, characterised by laminar ... -
Direct numerical simulation of turbulent wakes: flow past a sphere at Re=5000
(2010)
Text en actes de congrés
Accés obertThe flow around bluff bodies is of great interest for a large number of engineering applications such as vehicle aerodynamics, cooling devices using forced convection, heat transfer enhancement using droplets, among ... -
Direct numerical simulation of viscoplastic-type non-Newtonian fluid flows in stenosed arteries
(2013)
Text en actes de congrés
Accés restringit per política de l'editorialThe aim of this work is to provide DNS solutions for turbulence flows of viscoplastic-type non-Newtonian fluids and thus contribute to gain insight into the underlying physics of the non-Newtonian turbulent flows. This ... -
Direct numerical simulations and symmetry preserving regularization simulations of the flow over a circular cylinder at Reynolds number 3900
(2009-09-14)
Comunicació de congrés
Accés restringit per política de l'editorialFlow around cylindrical structures is of relevance for many practical applications. Knowledge of flow-related unsteady loading of such structures is crucial for hydro - and aerodynamic control and design. Recenty, the ... -
DNS and regularization modeling of a turbulent differentially heated cavity of aspect ratio 5
(2013-01-15)
Article
Accés obertThis work is devoted to the study of turbulent natural convection flows in differentially heated cavities. The adopted configuration corresponds to an airfilled (Pr = 0.7) cavity of aspect ratio 5 and Rayleigh number Ra ... -
Dynamic simulation of indirect air conditioning systems with optimized computational time
(2019)
Text en actes de congrés
Accés obert -
Effect of hydrogen addition to methane-air jet flame based on Sandia flame D
(Scipedia, 2022)
Text en actes de congrés
Accés obertThe present study investigates the effect of hydrogen addition to methane-air jet flame based on Sandia flame D. For this purpose, RANS simulations with a global four-step mechanism were first compared with other reduced ... -
Energy efficiency in buildings: dynamic numerical simulation and application to retroffiting edification
(2016-11-24)
Report de recerca
Accés obert -
Experimental Analysis of a Draft Beer Ice Bank Machine
(Purdue University, 2021)
Text en actes de congrés
Accés restringit per política de l'editorialIn a long-term established application as draft beer cooling and servicing machines, seems difficult to see any research application at first sight. However, this perspective change when one considers that the costs ... -
Experimental analysis of no-frost domestic refrigerator evaporators
(2011)
Comunicació de congrés
Accés restringit per política de l'editorialThe air-to-refrigerant evaporator placed in no-frost refrigerators is a critical component because of its simultaneous treatment of both cooler and freezer air streams, which implies a strong drying process on the cooler ... -
Fixed grid numerical modelling of frost growth and densification
(2019-03)
Article
Accés obertA fixed-grid-porous-media method capable of simulating the growth and densification of frost sheets is here presented. A velocity field is calculated across the entire domain, in which a porous media treatment is given to ... -
Flamelet mathematical models for non-premixed laminar combustion
(2009-02-01)
Article
Accés restringit per política de l'editorialDetailed numerical calculations based on the solution of the full transport equations have been compared with flamelet calculations in order to analyse the flamelet concept for laminar diffusion flames. The goal of this ... -
Flow and heat transfer in a wall-bounded pin matrix
(Begell House, 2012)
Text en actes de congrés
Accés restringit per política de l'editorial -
From extruded-2D to fully-3D geometries for DNS: a multigrid-based extension of the Poisson solver
(2010)
Article
Accés restringit per política de l'editorialDirect numerical simulation (DNS) of incompressible flows is an essential tool for improving the understanding of the physics of turbulence and for the development of better turbulence models. The Poisson equation, the ... -
Frost formation: optimizing solutions under a finite volume approach
(Institute of Physics (IOP), 2016)
Text en actes de congrés
Accés obertA three-dimensional transient formulation of the frost formation process is developed by means of a finite volume approach. Emphasis is put on the frost surface boundary condition as well as the wide range of empirical ...
