Exploració per autor "Castro González, Jesús"
Ara es mostren els items 39-58 de 84
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Mathematical Modeling and Experimental Validation of a Highly Efficient Flat Plate Solar Collector with compound Transparent Insulation Materials including a Silica Layer
Febrer Cordoba, Rafael; Castro González, Jesús; Zheng, Jian; Rigola Serrano, Joaquim; Oliva Llena, Asensio; Kizildag, Deniz (International Society of Exposure Science (ISES), 2021)
Text en actes de congrés
Accés restringit per política de l'editorialThe present work consists in the development of a highly efficient solar thermal flat plate solar collector [FPC] with transparent insulation materials [TIM] at high-temperature ranges (¿ at ¿T/G close to 0.1 Km2/W). The ... -
Minimization procedure of experimental tests for calibration purposes, within HVAC&R energy efficiency framework
Morales Ruíz, Sergio; Oliet Casasayas, Carles; Castro González, Jesús; Rigola Serrano, Joaquim; Oliva Llena, Asensio (2019)
Text en actes de congrés
Accés obertSimulation models and predictive tools need to be fast, accurate and robust at the same time. The models that have to provide numerical solutions under transient conditions for a long period of time need to be simple with ... -
Modelling and experimental validation of the heat accumulator in a Low Trust Cryogenic Propulsion (LTCP) system¿¿e,
Torras Ortiz, Santiago; Castro González, Jesús; Rigola Serrano, Joaquim; Morales, Sergio; Riccius, Jorg; Leiner, Johannes (2013)
Text en actes de congrés
Accés restringit per política de l'editorialThe study of one of the components, the heat accumulator, of Low Thrust Cryogenic Propulsion systems (LTCP), is of scientific interest in the framework of ISP-1 project [1]. This device stores thermal energy from the fuel ... -
Modelling of absorption of H2O vapor in falling film of lbr aqueous solution in vertical tubes with presence of non-condensables
García-Rivera, Eduardo; Castro González, Jesús; Farnós Baulenas, Joan; Oliva Llena, Asensio (2012)
Text en actes de congrés
Accés restringit per política de l'editorialOne of the main reasons of the discrepancies between theoretical predictions made by models of absorbers of H2O-LiBr absorption chillers when they are compared with experimental results under real conditions is the presence ... -
Multiphysics modeling and experimental validation of low temperature accumulator for cryogenic space propulsion systems
Torras Ortiz, Santiago; Castro González, Jesús; Rigola Serrano, Joaquim; Morales Ruíz, Sergio; Riccius, Jorg; Leiner, Johannes (2019-01-01)
Article
Accés restringit per política de l'editorialWithin the framework of Low Thrust Cryogenic Propulsion (LTCP) systems, a low-temperature accumulator acting as thermal energy storage tank is an interesting option for cyclical processes under intermittent firings avoiding ... -
New implementations of surface tension forces for PLIC-VOF methods
Castro González, Jesús; Oliva Llena, Asensio (2010)
Comunicació de congrés
Accés restringit per política de l'editorialA comparative study has been carried out between different models of implementing surface tension for PLIC-VOF methods: i) the well known Continuum Surface Force (CSF); ii) Staggered Grid Interface Pressure (SGIP); iii) ... -
Numerical and experimental investigation of a vertical LiBr falling film absorber considering wave regimes and in presence of mist flow
García Rivera, Eduardo; Castro González, Jesús; Farnós Baulenas, Joan; Oliva Llena, Asensio (2016-11-01)
Article
Accés obertThe absorber represents the most critical component in absorption systems and one of the key issues. In this component complex heat and mass transfer phenomena during the absorption process takes place simultaneously. For ... -
Numerical and experimental study of a flat plate solar collector with transparent insulation and overheating protection system
Kessentini, Hamdi; Capdevila Paramio, Roser; Castro González, Jesús; Oliva Llena, Asensio (2011)
Comunicació de congrés
Accés obertIn this paper a FPSC with TIM and an overheating protection system is investigated numerically and experimentally. The studied collector has been manufactured using a process similar to that of the conventional FPSC but ... -
Numerical and experimental study of absorption of H2O vapor in wavy falling film of LiBr aqueous solution in vertical tubes and in presence of non-absorbables
García Rivera, Eduardo; Castro González, Jesús; Farnós Baulenas, Joan; Oliet Casasayas, Carles (Elsevier, 2019-04-01)
Article
Accés obertOne of the main reasons for the discrepancies between theoretical predictions of absorption phenomena made by mathematical models when they are compared against experimental results under real conditions, are the presence ... -
Numerical modeling and experimental validation of Thermal Energy Storage tanks for propulsion systems under cryogenic conditions
Torras Ortiz, Santiago; Castro González, Jesús; Rigola Serrano, Joaquim; Morales, Sergio; Galione Klot, Pedro Andrés; Lehmkuhl Barba, Oriol; Oliva Llena, Asensio (2014)
Comunicació de congrés
Accés restringit per política de l'editorialLow Thrust Cryogenic Propulsion (LTCP) systems [1] need a thermal energy storage acting as a heat accumulator, where a cryogenic flow of (LOx) propellant is gasified inside, under a fast transient evaporation process. The ... -
Numerical modeling and simulation comparisons of a cost efficient novel CPVT Solar Collector
Santos Serrano, Daniel; Castro González, Jesús; Kizildag, Deniz; Rigola Serrano, Joaquim; Oliva Llena, Asensio (International Solar Energy Society, 2022)
Text en actes de congrés
Accés restringit per política de l'editorialIn this work, the simulation of a Concentrated PhotoVoltaic Thermal (CPVT) solar collector system has been done by means of Finite Volume Method. The system consists of a parabolic collector, which concentrates solar ... -
Numerical modelling of the phase change material heat accumulator under fast transient gasification conditions in a low thrust cryogenic propulsion (LTCP) system
Castro González, Jesús; Galione Klot, Pedro Andrés; Morales Ruiz, Juan José; Lehmkuhl Barba, Oriol; Rigola Serrano, Joaquim; Pérez Segarra, Carlos David; Oliva Llena, Asensio (2012)
Report de recerca
Accés restringit per política de l'editorialThe study of one of the components, the heat accumulator, of Low Thrust Cryogenic Propulsion systems (LTCP), is of scientific interest in the framework of ISP-1 project [1]. This device stores thermal energy from the fuel ... -
Numerical resolution in a PCM accumulator in cryogenic conditions
Morales Ruíz, Sergio; Rigola Serrano, Joaquim; Castro González, Jesús; Oliva Llena, Asensio (2011)
Comunicació de congrés
Accés restringit per política de l'editorialA numerical study of the thermal and fluid-dynamic behaviour of the two-phase flow inside ducts working under cryogenic conditions, coupled with the analysis of a phase change material PCM accumulator is presented. The ... -
Numerical resolution of the heat accumulator in a Low Cost Cryogenic Propulsion (LCCP) system
Morales Ruíz, Sergio; Castro González, Jesús; Rigola Serrano, Joaquim; Pérez Segarra, Carlos David; Oliva Llena, Asensio (2011)
Comunicació de congrés
Accés obertIn this paper, a numerical study of a heat accumulator in the LCCP system has been carried out. The thermal and fluid-dynamic behaviour of the two-phase flow inside ducts working under cryogenic conditions as a propellant ... -
Numerical Simulation of a cost efficient novel CPVT solar collector
Santos Serrano, Daniel; Castro González, Jesús; Kizildag, Deniz; Rigola Serrano, Joaquim; Oliva Llena, Asensio (International Society of Exposure Science (ISES), 2021)
Text en actes de congrés
Accés restringit per política de l'editorialIn this work, the simulation of a Concentrated PhotoVoltaic Thermal (CPVT) solar collector system has been done by means of Finite Volume Method. The system consists of a parabolic collector, which concentrates solar ... -
Numerical simulation of heat transfer and fluid flow in a flat plate solar collector with TIM and ventilation channel
Kessentini, Hamdi; Capdevila Paramio, Roser; Lehmkuhl Barba, Oriol; Castro González, Jesús; Oliva Llena, Asensio (2012)
Text en actes de congrés
Accés obertFlat plate solar collector with plastic transparent insulation materials and ventilation channel as overheating protection system inserted between the absorber and the back insulation has been studied numerically. First, ... -
Numerical simulation of incompressible two phase flows by conservative level set method
Balcázar Arciniega, Néstor; Jofre Cruanyes, Lluís; Lehmkuhl Barba, Oriol; Rigola Serrano, Joaquim; Castro González, Jesús (Budapest University of Technology and Economics, 2012)
Text en actes de congrés
Accés restringit per política de l'editorialA numerical formulation for the Conservative Level-Set Method of Olsson and Kreiss is implemented using the finite volume approach. Both convective term of the interface advection equation and compression term of the ... -
Numerical simulation of the micro-extrusion process of printable biomaterials
Amani, Ahmad; Kizildag, Deniz; Castro González, Jesús; Mazo Barbara, Laura del; Pegueroles Neyra, Marta; Ginebra Molins, Maria Pau (Scipedia, 2022)
Text en actes de congrés
Accés obertThis work aims to gain a better understanding of how the rheological properties of printable materials affect their processability, as well as the quality of the final product, which at the end can lead to reducing time ... -
Numerical simulation of thermal and fluid dynamic phenomena as a tool for energy eficiency in buildings. Application to refrofiting edification
Rigola Serrano, Joaquim; Lehmkuhl Barba, Oriol; Capdevila Paramio, Roser; Lopez, Joan; Castro González, Jesús; Kizildag, Deniz; Oliva Llena, Asensio (Aalborg University Press, 2016)
Text en actes de congrés
Accés restringit per política de l'editorialThe present paper is based on showing the work carried out by the authors in an FP7 EU project “REtrofitting Solutions and Services for the enhancement of Energy Efficiency in Public Edification (RESSEEPE)” developing and ... -
Numerical simulation of wind flow around a parabolic trough solar collector
Amine Hachicha, Ahmed; Rodríguez Pérez, Ivette María; Castro González, Jesús; Oliva Llena, Asensio (2013-07-01)
Article
Accés restringit per política de l'editorialThe use of parabolic trough solar technology in solar power plants has been increased in recent years. Such devices are located in open terrain and can be the subject of strong winds. As a result, the stability of these ...