Exploració per tema "Refrigeració"
Ara es mostren els items 1-20 de 72
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A comprehensive simulation tool for adsorption-based solar-cooled buildings. Control strategy based on variable cycle duration
(2021-01-15)
Article
Accés obertAdsorption cooling systems (ACS) may contribute towards a sustainable way of satisfying the increasing cooling demand, as they utilize solar thermal energy and employ non-ozone-depleting substances. Apart from the intrinsic ... -
A generalized computational model for the simulation of adsorption packed bed reactors – Parametric study of five reactor geometries for cooling applications
(2019-02-01)
Article
Accés obertEnvironmental concerns regarding global warming and ozone depletion urge towards sustainable solutions for satisfying the increasing cooling demand. Adsorption cooling technology could form part of the solution since it ... -
ALBA synchrotron cooling system evaluation using flowmaster®
(2015-06-22)
Article
Accés obertALBA is a 3rd generation Synchrotron Light facility in Barcelona, Spain. Made up of a complex network of electron accelerators that produce synchrotron light, it allows for the visualization of the atomic structure of ... -
Anàlisi i optimització d'un sistema d'intercanvi de calor per a ús industrial i residencial mitjançant eines de simulació CFD, CAD i CAE
(Universitat Politècnica de Catalunya, 2022-07-29)
Treball Final de Grau
Accés obert
Realitzat a/amb: Politecnico di MilanoEn aquest treball de tesi analitzarem i optimitzarem el flux d'aire en un intercanviador de calor industrial de l'empresa LuVe Group. En la tesi anterior a aquesta, es va modelar el comportament de l'intercanviador d'aire ... -
Anàlisi i tractament de l’aigua en circuits de vapor i d’aigua de refrigeració del motor
(Universitat Politècnica de Catalunya, 2015-10)
Treball Final de Grau
Accés obert -
Análisis de funcionamiento y optimización de un sistema de refrigeración para una planta de colorantes
(Universitat Politècnica de Catalunya, 2011-01-12)
Projecte/Treball Final de Carrera
Accés obertL‘objectiu de d‘aquest projecte es avaluar el funcionament el funcionament, estat actual i proposar millores per la torre de refrigeració de tir induït de flux a contracorrent existent pel refredament de les aigües procedent ... -
CFD studies of the convective heat transfer coefficients and pressure drops in geometries applied to water cooling channels of the crotch absorbers of ALBA Synchrotron light source
(Universitat Politècnica de Catalunya, 2022-07-14)
Treball Final de Grau
Accés obertCurrently, the storage ring vacuum chambers of ALBA are protected by 156 crotch absorbers made of copper and Glidcop. After more than 10 years of operation as a third-generation light source, the ALBA II project arose, ... -
CO2LD: an educational innovation project for advanced vocational training in refrigeration
(OmniaScience, 2013-12)
Article
Accés obertRefrigeration is one of the technology sectors that has suffered the most changes in the last twenty years, because of the negative impact of the fluids used in the refrigeration cycles, i.e., refrigerants, due to their ... -
Comparison of the performance of falling film and bubble absorbers for air-cooled absorption systems
(2009-07-01)
Article
Accés obertSmall capacity, air-cooled NH3–H2O absorption systems are becoming more attractive in applications where the input energy can be obtained for free (e.g., solar energy, exhaust gases of engines, etc.), due to the increasing ... -
Computational investigation of the hexagonal honeycomb adsorption reactor for cooling applications: Honeycomb adsorption reactor for cooling
(2022-02-05)
Article
Accés obertAdsorption cooling is a sustainable technology, since it can utilize solar energy or waste heat, while employing substances without ozone depletion and global warming potential. The adsorption reactor design is determinant ... -
Construcció i validació experimental de prototip per a la obtenció de llot semi sòlid
(Universitat Politècnica de Catalunya, 2016-09-16)
Treball Final de Grau
Accés restringit per acord de confidencialitat -
Control strategy approach based on the operational results of a small capacity direct air -cooled LiBr -Water absorption chiller
(International Solar Energy Society, 2017)
Comunicació de congrés
Accés obertThe scope of this paper is to give a short overview of the state of the art regarding control strategies, identify the role of different operating conditions, and provide useful suggestions for the design and operation of ... -
Creation of a new led's refigeration system for outdoor luminaries. Creation of a company that builds and sells this system and study of all his organization
(Universitat Politècnica de Catalunya / Tallinna Tehnikaülikool (Tallin University of Technology), 2010)
Projecte/Treball Final de Carrera
Accés obertNowadays, leds are used in many different objects, the problem with this modern invention is that keds warm themselves too much and that's why they need a refrigeration system very big to avoid that leds burnt a cause of ... -
Data analytics for performance evaluation under uncertainties applied to an industrial refrigeration plant
(Institute of Electrical and Electronics Engineers (IEEE), 2019-01-01)
Article
Accés obertArtificial intelligence has bounced into industrial applications contributing several advantages to the field and have led to the possibility to open new ways to solve many actual problems. In this paper, a data-driven ... -
Design and optimization of the cooling system for an electrical Formula Student car’s battery pack
(Universitat Politècnica de Catalunya, 2021-07-06)
Treball Final de Grau
Accés restringit per decisió de l'autorEn un vehicle elèctric de Fórmula Student, la gestió correcta de les temperatures de les cel·les del pack de bateries és fonamental tant per a la seva seguretat com per al seu rendiment. Mitjançant un estudi numèric i amb ... -
Design of a thermoelectric generator with fast transient respose
(2015-04-13)
Article
Accés obertThermoelectric modules are currently used both in Peltier cooling and in Seebeck mode for electricity generation. The developments experienced in both cases depend essentially on two factors: the thermoelectric properties ... -
Designer SiO2 metasurfaces for efficient passive radiative cooling
(John Wiley & sons, 2023-11-27)
Article
Accés obertIn recent years, an increasing number of passive radiative cooling materials are proposed in the literature, with several examples relying on the use of silica (SiO2) due to its unique stability, non-toxicity, and availability. ... -
Development of Innovative Heat Sinks for Power Electronics Cooling within the More Electrical Aircraft
(European Conference for AeroSpace Sciences (EUCASS), 2019)
Text en actes de congrés
Accés obert -
Dimensionat de una instal·lació frigorifica per un celler de cava
(Universitat Politècnica de Catalunya, 2012-10-24)
Projecte/Treball Final de Carrera
Accés obert -
Diseño de un sistema electrónico de control para láseres sintonizables por temperatura
(Universitat Politècnica de Catalunya, 2020-10)
Treball Final de Grau
Accés restringit per decisió de l'autorLaser technology has undergone significant advances in recent years, one of them being the development of tunable lasers, whose wavelength can be modified at will. These devices have applications in spectroscopy, interferometry, ...