Exploració per autor "Pérez Segarra, Carlos David"
Ara es mostren els items 119-138 de 151
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Parallel algorithm for the solution of the Boltzmann transport equation on unstructured meshes
Colomer Rey, Guillem; Borrell Pol, Ricard; Lehmkuhl Barba, Oriol; Pérez Segarra, Carlos David (2011)
Comunicació de congrés
Accés obertThe Boltzmann transport equation is solved by means of a parallel explicit algorithm known as parallel sweep, and a source iteration procedure to solve the coupling between different angular directions. Using an explicit ... -
Parallel large eddy simulations of wind farms with the actuator line method
Baez Vidal, Aleix; Lehmkuhl Barba, Oriol; Martínez Valdivieso, Daniel; Pérez Segarra, Carlos David (Elsevier, 2013)
Text en actes de congrés
Accés obertParallel Computation of wind farm Large Eddy Simulations (LES) requires the use of with Wind Turbine Models (WTM). CFD and WTM demand different domain decompositions as optimal CFD and WTM decompositions do not necessarily ... -
Parallel Poisson solver for revolved unstructured grids. DNS of the flow around a sphere at Re = 3700.
Borrell Pol, Ricard; Lehmkuhl Barba, Oriol; Rodríguez Pérez, Ivette María; Pérez Segarra, Carlos David; Oliva Llena, Asensio (2009)
Comunicació de congrés
Accés restringit per política de l'editorialIn this paper a parallel direct Poisson solver for DNS simulation of turbulent flows in domains of revolution using unstructured meshes is presented. It is based on a Fourier diagonalization in the azimuthal direction and ... -
Parametric study of two-tank TES systems for CSP plants
Torras Ortiz, Santiago; Pérez Segarra, Carlos David; Rodríguez Pérez, Ivette María; Rigola Serrano, Joaquim; Oliva Llena, Asensio (2015-05)
Article
Accés obertThe two-tank thermal energy storage (TES) system is the most used technology for storage in concentrating solar power (CSP) plants. This work focuses on a parametric study, which aims to identify the most important parameters ... -
Pressure-velocity coupling on unstructured collocated grids: reconciling stability and energy-conservation
Santos Serrano, Daniel; Trias Miquel, Francesc Xavier; Hopman, Johannes Arend; Pérez Segarra, Carlos David (Begell House, 2023)
Text en actes de congrés
Accés restringit per política de l'editorialIn this work, an energy-preserving unconditionally stable fractional step method on collocated unstructured grids is presented. Its formulation is based on preserving the underlying symmetries of the differential operators. ... -
Recent developments in the design of a new air-cooled, hot-water-driven H2O-LiBr absorption chiller
Castro González, Jesús; Oliva Llena, Asensio; Pérez Segarra, Carlos David; Oliet Casasayas, Carles (ASHRAE, 2008)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper explains the up-to-date stage of development of an air-cooled H2O-LiBr absorption chiller. The methodology of development is based on the systematic application of advanced numerical and experimental techniques, ... -
Regional aerosol deposition in the human airways: the SimInhale benchmark case and a critical assessment of in silico methods
Koullapis, P.; Kassinos, S.C.; Muela Castro, Jordi; Pérez Segarra, Carlos David; Rigola Serrano, Joaquim; Lehmkuhl Barba, Oriol; Cui, Y.; Sommerfeld, M.; Elcner, J.; Jicha, M.; Saveljic, I.; Filipovic, N.; Lizal, F.; Nicolaou, L. (2017-09-07)
Article
Accés obertRegional deposition effects are important in the pulmonary delivery of drugs intended for the topical treatment of respiratory ailments. They also play a critical role in the systemic delivery of drugs with limited lung ... -
Reliable overnight industrial LES: challenges and limitations. Application to CSP technologies
Alsalti Baldellou, Àdel; Colomer Rey, Guillem; Hopman, Johannes Arend; Álvarez Farré, Xavier; Gorobets, Andrei; Trias Miquel, Francesc Xavier; Pérez Segarra, Carlos David; Oliva Llena, Asensio (European Research Community on Flow, Turbulence, and Conbustion (ERCOFTAC), 2023)
Text en actes de congrés
Accés obertPreserving the operators’ symmetries at the discrete level is crucial to enable reliable DNS and LES simulations of turbulent flows. Moreover, real-world applications demand robust and stable numerical methods suitable for ... -
Resolución numérica de flujos laminares con estructura tridimensional axialsimétrica. Análisis de diferentes situaciones
Oliva, A.; Salom, J.; Costa, M.; Pérez Segarra, Carlos David (Centro Internacional de Métodos Numéricos en Ingeniería, 1994)
Article
Accés obertEn el presente trabajo se implementa un algoritmo numérico basado en técnicas de diferencias finitas del tipo SIMPLE (Semi-Implicit Method for Pressure Linked Equations) para la resolución de las ecuaciones de conservación ... -
Second-Order Semi-Implicit Partitioned Method for Fluid-Structure Interaction Problems
Naseri, Alireza; González Acedo, Ignacio; Amani, Ahmad; Pérez Segarra, Carlos David (Centro Internacional de Métodos Numéricos en Ingeniería (CIMNE), 2018)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper is concerned with numerical solution of fluid-structure interaction (FSI) problems involving an incompressible viscous flow and an elastic structure. A second-order time accurate semi-implicit method is proposed ... -
Simulation of Household Refrigerators with a Flexible Numerical Tool
Ablanque Mejía, Nicolás; Oliet Casasayas, Carles; Rigola Serrano, Joaquim; Lehmkuhl Barba, Oriol; Pérez Segarra, Carlos David (Purdue University, 2014)
Text en actes de congrés
Accés restringit per política de l'editorialThis work presents a flexible numerical platform to simulate a whole household refrigeration unit taking into account both the refrigeration cycle itself and the refrigerated compartments network. The methodology implemented ... -
Study of the conservation properties in two-way coupled dispersed multiphase flows using finite volume methods
Bahramian, Linda; Muela Castro, Jordi; Pérez Segarra, Carlos David (Institute of Physics (IOP), 2021)
Comunicació de congrés
Accés obertIn order to simulate dispersed multiphase flows, the coupling level must be determined according to the volume fraction in the system. The volume fraction is the ratio of the total volume of the dispersed phases over the ... -
Study of turbulent natural convection in a tall differentially heated cavity filled with either non-participating, participating grey and participating semigrey media
Capdevila Paramio, Roser; Lehmkuhl Barba, Oriol; Colomer Rey, Guillem; Pérez Segarra, Carlos David (Université de Poitiers, 2012)
Text en actes de congrés
Accés restringit per política de l'editorialTurbulent natural couvection in a tall differentially heated cavity of aspect ratio 5:1, filled with air under a Rayleigh number based on the height of 4.5.10(10), is studied numerically. Three different situations have ... -
Study on temperature distribution of vertical liquid falling film heat transfer with Al2O3 nanofluid
Zheng, Jian; Castro González, Jesús; Liu, Yue; Oliva Llena, Asensio; Pérez Segarra, Carlos David (Elsevier, 2024-02-15)
Article
Accés obertThis study presents a laminar smooth 2-D theoretical model of the falling liquid film using an in-house code and validated with experimental results. The numerical model considers thermophysical property enhancements with ... -
Symmetry-preserving discretization of Navier-Stokes equations on collocated unstructured meshes
Trias Miquel, Francesc Xavier; Lehmkuhl Barba, Oriol; Oliva Llena, Asensio; Pérez Segarra, Carlos David; Verstappen, R.W.C.P. (2014-02-01)
Article
Accés restringit per política de l'editorialA fully-conservative discretization is presented in this paper. The same principles followed by Verstappen and Veldman (2003) [3] are generalized for unstructured meshes. Here, a collocated-mesh scheme is preferred over a ... -
Techno-economic performance evaluation of solar tower plants with integrated multilayered PCM thermocline thermal energy storage: a comparative study to conventional two-tank storage systems
Guedéz, Rafael; Ferruzza, Davide; Arnaudo, Monica; Rodríguez Pérez, Ivette María; Pérez Segarra, Carlos David; Hassar, Zhor; Laumert, Björn (American Institute of Physics (AIP), 2015)
Text en actes de congrés
Accés obertSolar Tower Power Plants with thermal energy storage are a promising technology for dispatchable renewable energy in the near future. Storage integration makes possible to shift the electricity production to more profitable ... -
Techno-economic performance evaluation of solar tower plants with integrated multilayered PCM thermocline thermal energy storage: a comparative study to conventional two-tank storage systems
Guedéz, Rafael; Ferruzza, Davide; Arnaudo, Monica; Rodríguez Pérez, Ivette María; Pérez Segarra, Carlos David; Hassar, Zhor; Laumert, Björn (2016)
Article
Accés obertSolar Tower Power Plants with thermal energy storage are a promising technology for dispatchable renewable energy in the near future. Storage integration makes possible to shift the electricity production to more profitable ... -
TERMOTÈCNIA (Examen 1r Quadr.)
Pérez Segarra, Carlos David (Universitat Politècnica de Catalunya, 2004-01-08)
Examen
Accés restringit a la comunitat UPC -
Thermal and thermochemicalenergy storage: bridging the gap between the virtual classroom and the face-to-face attendance
Rodríguez Pérez, Ivette María; Rigola Serrano, Joaquim; Castro González, Jesús; Pérez Segarra, Carlos David; Oliva Llena, Asensio (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2013-06)
Comunicació de congrés
Accés obertThermal and thermochemicalenergy storage is a course offered within the Master's degree in Energy Engineering and the KIC InnoenergyRenEMaster. This course is not only targeted to face-to-face attendees but also to students ... -
Thermal System Oriented Simulation of Aircraft Electrical Environmental Control Systems Including its Electric Coupling
Ablanque Mejía, Nicolás; Torras Ortiz, Santiago; Oliet Casasayas, Carles; Rigola Serrano, Joaquim; Pérez Segarra, Carlos David (European Conference for AeroSpace Sciences (EUCASS), 2019)
Text en actes de congrés
Accés obertA flexible numerical platform based on libraries has been developed within the Dymola/Modelica framework to simulate Environmental Control Systems (ECS). The goal was to build up a flexible tool to analyse complex systems ...