Browsing by Subject "Energia solar"
Now showing items 1-20 of 262
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3-D geometrical modelling and solar radiation at urban scale - morphological or typological digital mock-ups?
(2013)
Conference report
Open AccessStudies regarding solar energy at the neighbourhood scale always have to deal with the size and the complex geometry of a real built context. Three-dimensional modelling techniques allow visual reproduction of formal ... -
3D simulations of back-contact back-junction c-Si(P) solar cells with doped point contacts
(2013)
Conference report
Restricted access - publisher's policyThe back-contact back-junction BC-BJ solar cell concept is a promising photovoltaic structure for both laboratory and industrial c-Si solar cells. High efficiency devices based on this concept have been reported in the ... -
3E-analysis of a bio-solar CCHP system for the Andaman Islands, India: a case study
(2019-03)
Article
Open AccessEnergy services are especially expensive on remote islands due to longer and more unstable fuel supply chains. In this paper, different renewable energy systems utilizing locally available biomass and solar energy are ... -
3G access network dimensioning in isolated rural areas based on femtocells
(Institute of Electrical and Electronics Engineers (IEEE), 2014)
Conference report
Restricted access - publisher's policyBased on the definition of the access network architecture and the forecast of voice and data traffic evolution, this paper derives engineering rules for radio network dimensioning of 3G femtocell-based access networks in ... -
A 3D symmetry-preserving simulation of a concentrated photovoltaic thermal (CPVT) solar collector
(Institute of Physics (IOP), 2024)
Conference report
Open AccessIn this work, a general collocated and unconditionally stable framework on unstructured meshes for solving Conjugate Heat Transfer (CHT) problems is presented by means of preserving the underlying symmetries of the continuous ... -
A CFD study of air flow inside a building heated by solar radiation
(Universitat Politècnica de Catalunya, 2017-10-27)
Bachelor thesis
Restricted access - confidentiality agreement -
A comparison of fuzzy-based energy management systems adjusted by nature-inspired algorithms
(Multidisciplinary Digital Publishing Institute, 2021-02-12)
Article
Open AccessThe growing energy demand around the world has increased the usage of renewable energy sources (RES) such as photovoltaic and wind energies. The combination of traditional power systems and RESs has generated diverse ... -
A comprehensive assessment of new absorber-exchanger designs for hybrid PVT-water collectors
(2019)
Article
Open AccessIn this paper, 26 alternative absorber-exchanger designs for hybrid PV-Thermal (PVT) solar collectors are proposed and compared against a reference-case, commercial sheet-and-tube PVT collector. The collectors involve ... -
A daylight criterion on solar controls for comparing sky radiance models
(1996-05)
Article
Restricted access - publisher's policyThe obstruction of solar radiation by solar controls must be balanced with the required daylight contribution. Solar controls are characterized by the percentage of non-obstructed external radiance. The estimation of this ... -
A practical tool for sizing optimal shading devices
(1993-01)
Article
Restricted access - publisher's policyA nomogram is presented for use in regions with a Mediterranean climate. Architects can use this tool as an easy way to optimize the design of shading devices. The nomogram allows the performance of a proposed external ... -
A Rapid Prototyping Approach to Designing Static Power Converters
(Universitat Politècnica de Catalunya, 2020-07-14)
Bachelor thesis
Restricted access - author's decisionAquest treball de fi de grau té com a objectiu desenvolupar, afinar i depurar una metodologia per a una sèrie d’eines per al desenvolupament de convertidors estàtics de potència. L’objectiu del treball és accelerar el ... -
Abastament del sistema de calefacció i A.C.S a partir d'energia solar en un habitatge plurifamiliar.
(Universitat Politècnica de Catalunya, 2016-06-23)
Bachelor thesis
Open AccessAquest projecte intenta comprovar fins a quin punt és possible donar abastament d’aigua calenta al sistema de calefacció i d’ACS en un habitatge plurifamiliar mitjançant la energia solar. Per a realitzar això s’ha estructurat ... -
Advances in a baseline process towards high efficiency c-Si solar cell fabrication
(IEEE Press. Institute of Electrical and Electronics Engineers, 2009-02-11)
Conference report
Open Access -
Air conditioning solar plant for a small office located in a mediterranean climate
(2010)
Conference lecture
Restricted access - publisher's policyThis work describes the air-conditioning solar driven system installed at the premises of the company RDmes, located in Terrassa (about 25 km inland from Barcelona). Main components that make up the system are a small-capacity ... -
Analysis of different solar energy acquisition systems for applications in the Moon
(Universitat Politècnica de Catalunya, 2012-07-27)
Bachelor thesis
Restricted access - author's decisionThe big challenge of the NASA and space agencies for years to come is to return to the Moon to build a base of research there. This return to the Moon stays only a stage before the purpose of the big space agencies: the ... -
Analysis of the behaviour of cadmium telluride and crystalline silicon photovoltaic modules deployed outdoor under humid continental climate conditions
(2018-07-20)
Article
Open AccessPhotovoltaic (PV) modules are the main element responsible for the harvesting of solar radiation in PV systems. Thus, their reliability and durability are two crucial factors to take in consideration for conceiving ... -
Anàlisi de viabilitat de la substitució d'una central de cicle combinat utilitzant energia solar fotovoltaica
(Universitat Politècnica de Catalunya, 2018-06-26)
Bachelor thesis
Open AccessEn aquest treball es fan les anàlisis i els càlculs necessaris per estimar la viabilitat i conseqüències de la substitució d’una central de cicle combinat utilitzant energia solar fotovoltaica. En primer lloc, es contextualitza ... -
Anàlisi termodinàmica d’una central tèrmica i viabilitat de la seva hibridació en energia
(Universitat Politècnica de Catalunya, 2021-11-01)
Bachelor thesis
Open AccessL’objectiu d’aquest projecte és estudiar el funcionament d’una central tèrmica i realitzar l’estudi termodinàmic complet (1a i 2a llei). S’utilitzarà el software EES pel càlcul de propietats termodinàmiques i resolució de ... -
Anàlisis de parcs fotovoltaics. Estudi i simulació de convertidors basats en un VSC
(Universitat Politècnica de Catalunya, 2021-11-01)
Bachelor thesis
Open AccessEn el inici d’aquest treball s’exposen els principis bàsics de funcionament d’una placa solar i com és conforma un parc solar. Es modela un convertidor basat en un VSC i es duen a terme 5 simulacions amb simulink. • ... -
Análisis de necesidades y mejoras en términos de operatividad y eficacia para la construcción de sistemas rurales sostenibles de obtención de energía
(Universitat Politècnica de Catalunya, 2017-06)
Bachelor thesis
Open AccessEl presente trabajo tiene como objetivo hacer un análisis de los recursos energéticos utilizados en la zona rural del Chitwan, Nepal. Se estudian las ventajas e inconvenientes que presentan los combustibles más comunes en ...
