Exploració per autor "Kizildag, Deniz"
Ara es mostren els items 10-25 de 25
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Large eddy and direct numerical simulations of a turbulent water-filled differentially heated cavity of aspect ratio 5
Kizildag, Deniz; Trias Miquel, Francesc Xavier; Rodríguez Pérez, Ivette María; Oliva Llena, Asensio (2014-10-01)
Article
Accés obertNatural convection in a differentially heated cavity is characterized by different phenomena such as laminar to turbulent flow transition in the boundary layer, turbulent mixing, and thermal stratification in the core of ... -
Limits of the Oberbeck–Boussinesq approximation in a tall differentially heated cavity filled with water
Kizildag, Deniz; Rodríguez Pérez, Ivette María; Oliva Llena, Asensio; Lehmkuhl Barba, Oriol (2014-01-01)
Article
Accés obertThe present work assesses the limits of the Oberbeck–Boussinesq (OB) approximation for the resolution of turbulent fluid flow and heat transfer inside a tall differentially heated cavity of aspect ratio G = 6.67 filled ... -
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 ... -
Non-Oberbeck-Boussinesq effects in a turbulent tall water-filled differentially heated cavity
Kizildag, Deniz; Rodríguez Pérez, Ivette María; Trias Miquel, Francesc Xavier; Oliva Llena, Asensio; Pérez Segarra, Carlos David (Begell House, 2015)
Text en actes de congrés
Accés restringit per política de l'editorialThe present work studies the non-Oberbeck-Boussinesq (NOB) effects in a tall water-filled differentially heated cavity by means of direct numerical simulation. The obtained results reveal significant NOB effects for this ... -
Non-Oberbeck-Boussinesq natural convection in a tall differentially heated cavity
Kizildag, Deniz; Ventosa, Jordi; Rodríguez Pérez, Ivette María; Oliva Llena, Asensio (2010)
Text en actes de congrés
Accés obertTurbulent flow in a water-filled rectangular parallelepiped tank of an integrated solar collector is analyzed by means of a set of two and three dimensional simulations. The geometry and the working conditions of the ... -
Numerical Analysis of Viscoelastic Fluid Injection Processes
Amani, Ahmad; Schillaci, Eugenio; Kizildag, Deniz; Pérez Segarra, Carlos David (2021)
Text en actes de congrés
Accés obertIn this work, a numerical framework aimed at simulating high-viscous and viscoelastic liquid injection processes is presented. The study of fluid injection with viscoelastic properties, such as synthetic polymers, is of ... -
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 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 the micro-extrusion process of printable biomaterials
Amani, Ahmad; Kizildag, Deniz; Castro González, Jesús; Mazo Bárbara, 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 study of the non-Oberbeck-Boussinesq effects in turbulent water-filled cavities
Kizildag, Deniz (Universitat Politècnica de Catalunya, 2016-02-08)
Tesi
Accés obertThe work carried out in the framework of the present thesis aims at shedding light into the complex phenomena involved in turbulent water-filled cavities, questioning the validity of the well-established Oberbeck-Boussinesq ... -
On the validity of the Boussinesq approximation in a tall differentially heated cavity with water
Kizildag, Deniz; Rodríguez Pérez, Ivette María; Oliva Llena, Asensio (2011)
Text en actes de congrés
Accés obertIn the present work, the fluid flow and heat transfer inside an integrated solar collector installed on an advanced fac¸ade are investigated. According to Gray and Giorgini [1], the use of the Boussinesq approximation can ... -
Preliminary assessment of a polygeneration system based on a concentrated photovoltaic thermal (CPVT) solar collectors
Castro González, Jesús; Rigola Serrano, Joaquim; Kizildag, Deniz; Oliet Casasayas, Carles (Technishe Universität Berlin, 2021)
Text en actes de congrés
Accés obertECOSun project has as main objective a cost reduction of electricity and heat co-generation via a Concentrated Photovoltaic/Thermal (CPV-T) system by applying low-cost materials and advanced industrial manufacturing methods. ... -
SISTEMES TÈRMICS II (Examen 2n quadrimestre, 1r parcial)
Kizildag, Deniz (Universitat Politècnica de Catalunya, 2018-04-17)
Examen
Accés restringit a la comunitat UPC -
Thermal and fluid dynamic optimization of a CPV-T receiver for solar co-generation applications: numerical modelling and experimental validation
Santos Serrano, Daniel; Azgin, Ahmet; Castro González, Jesús; Kizildag, Deniz; Rigola Serrano, Joaquim; Tunçel, Bilge; Turan, Rasit; Preßmair, Rupert; Felsberger, Richard; Buchroithne, Armin (Elsevier, 2023-07)
Article
Accés obertSolar co-generation, i.e., the generation of electricity and heat in a single device by concentrating the sunbeams, has the potential to significantly increase the overall system performance. The main challenge is related ... -
Thermal optimization of multi-functional façades as energy efficient solution in retrofitting of public buildings
Kizildag, Deniz; Lehmkuhl Barba, Oriol; Rigola Serrano, Joaquim; Capdevila Paramio, Roser; Oliva Llena, Asensio (International Building Performance Simulation Association (IBPSA), 2016)
Text en actes de congrés
Accés restringit per política de l'editorialThe present work is on the implementation of a multi-functional ventilated façade model within an existing parallel and object-oriented platform for the prediction of the thermal performance of the buildings. Owing to its ...