Browsing by Author "Ramos Cabal, Alba"
Now showing items 1-20 of 27
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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 ... -
Basic metric geometry
(Universitat Politècnica de Catalunya, 2019-10-21)
Lecture notes
Open Access -
Cost competitiveness of a novel PVT-based solar combined heating and power system: Influence of economic parameters and financial incentives
(Elsevier, 2018)
Article
Open AccessThe cost competitiveness of an optimised solar combined heating and power (S-CHP) system based on a novel PVT collector is assessed in three different locations (Zaragoza, London and Athens). A series of sensitivity analyses ... -
Cost-effective ultra-high temperature latent heat thermal energy storage systems
(Elsevier, 2022-02-10)
Article
Open AccessThe availability of cost-effective energy storage technologies with durations from 10 to 100 h is key for intermittent renewable energies, like wind or solar, to become a large share of the electrical grid power. Battery ... -
Deposition reactors for solar grade silicon: a comparative thermal analysis of a Siemens reactor and a fluidized bed reactor
(2015)
Article
Open AccessPolysilicon production costs contribute approximately to 25–33% of the overall cost of the solar panels and a similar fraction of the total energy invested in their fabrication. Understanding the energy losses and the ... -
Exercices, problems and practices of metric geometry
(Universitat Politècnica de Catalunya, 2019-10-21)
Problem statement, exercise
Open Access -
Experimental investigation of an ammonia-water-hydrogen diffusion absorption refrigerator
(2019-12-15)
Article
Open AccessDiffusion absorption refrigeration (DAR) is a small-scale cooling technology that can be driven purely by thermal energy without the need for electrical or mechanical inputs. In this work, a detailed experimental evaluation ... -
Hybrid photovoltaic-thermal solar systems for combined heating, cooling and power provision in the urban environment
(Elsevier, 2017)
Article
Open AccessSolar energy can play a leading role in reducing the current reliance on fossil fuels and in increasingrenewable energy integration in the built environment, and its affordable deployment is widely recog-nised as an important ... -
Impact of building integrated photovoltaics on high rise office building in the Mediterranean
(Elsevier, 2023-11-01)
Article
Open AccessBuilding integrated photovoltaics (BIPV) presents a great opportunity for decreasing building energy demand and related CO2 emissions, specially in the refurbishment of old isolated high rise highly glazed office buildings. ... -
Latent heat thermophotovoltaic batteries
(2022-02)
Article
Open AccessLatent heat thermophotovoltaic (LHTPV) batteries store electricity as latent heat at very high temperatures (>1,000°C) and convert this heat back to electricity on demand using thermophotovoltaics (TPVs). In this study, ... -
On track for solar grade silicon through a Siemens process-type laboratory reactor: operating conditions and energy savings
(2012)
Conference report
Open AccessPolysilicon cost impacts significantly on the photovoltaics (PV) cost and on the energy payback time. Nowadays, the besetting production process is the so called Siemens process, polysilicon deposition by chemical vapor ... -
Optimisation of a high-efficiency solar-driven organic rankine cycle for applications in the built environment
(2018)
Article
Open AccessEnergy security, pollution and sustainability are major challenges presently facing the international community, in response to which increasing quantities of renewable energy are to be generated in the urban environment. ... -
Photovoltaic-Thermal (PV-T) systems for combined cooling, heating and power in buildings: a review
(2022-04-20)
Article
Open AccessHeating and cooling (H/C) represent the largest share of energy consumption worldwide. Buildings are the main consumers of H/C, while the share of renewable energy for H/C provision still represents a low percentage, 22.0% ... -
Pròleg
(OmniaScience, 2023-03)
Conference lecture
Open Access -
Recerca i tecnologia en enginyeria gràfica i disseny a la Universitat Politècnica de Catalunya
(OmniaScience, 2020-03-02)
Book
Open AccessEls temps canvien cada vegada més ràpidament, i a la universitat això encara es nota més. L’històric departament d‘Expressió Gràfica a l’Enginyeria (EGE) de la Universitat Politècnica de Catalunya, garant d’una docència ... -
Review of transparent and semi-transparent building-integrated photovoltaics for fenestration application modeling in building simulations
(2022-05-01)
Article
Open AccessBuilding-integrated photovoltaics (BIPV) have attracted interest due to their capacity to feasibly supply buildings with renewable power generation, helping to achieve net-zero or net-positive energy goals. BIPV systems ... -
Roadmap for the next-generation hybrid photovoltaic-thermal solar energy collectors
(2018)
Article
Open AccessFor hybrid photovoltaic-thermal collectors to become competitive with other types of solar energy converters, they must offer high performance at fluid outlet temperatures above 60¿°C, as is required for space heating and ... -
Solar photovoltaic power-to-heat-to-power energy storage
(OmniaScience, 2020-01-31)
Conference report
Open AccessThis article summarizes part of the work developed, and already published, in the context of the AMADEUS project (www.amadeusproject. eu), a FET-OPEN project funded by the European Commission to research a new generation ... -
Solar-based energy technologies potential to meet a hospital energy needs
(OmniaScience, 2021-02-01)
Conference lecture
Open AccessThis article analyses the potential of solar-based energy technologies to cover the electrical and thermal energy needs of a hospital. In particular, this work focusses on the case study of the Hospital de Sant Pau, in ... -
Solar-thermal and hybrid photovoltaic-thermal systems for renewable heating
(2017)
Research report
Open AccessThis paper looks at the barriers and opportunities for the mass deployment of solar-thermal technologies and offers a vision for the future of solar-thermal systems. HEADLINES: -Heat constitutes about half of total ...
