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Mostrando ítems 21-30 de 39
Artículo
Assessment of the photovoltaic potential at urban level based on 3D city models: A case study and new methodological approach
(Elsevier, 2017)
The use of 3D city models combined with simulation functionalities allows to quantify energy demand and renewable generation for a very large set of buildings. The scope of this paper is to determine the solar photovoltaic ...
Artículo
Identifying periods of clear sky direct normal irradiance
(Elsevier, 2017)
When modeling the effect of the cloud transients in the Direct Normal Insolation (DNI), it is particularly relevant to identify those moments in which there are no clouds between the observer and the sun. In this paper, ...
Artículo
Process Heat Generation Potential from Solar Concentration Technologies in Latin America: The Case of Argentina
(MDPI, 2017-03-17)
This paper evaluates the potential of solar concentration technologies—compound parabolic collector (CPC), linear Fresnel collector (LFC) and parabolic trough collector (PTC)—as an alternative to conventional sources of ...
Artículo
Parametric Investigation Using Computational Fluid Dynamics of the HVAC Air Distribution in a Railway Vehicle for Representative Weather and Operating Conditions
(MDPI AG, 2017-07)
A computational fluid dynamics (CFD) analysis of air distribution in a representative railway vehicle equipped with a heating, ventilation, air conditioning (HVAC) system is presented in this paper. Air distribution in ...
Artículo
Natural ventilation systems to enhance sustainability in buildings: a review towards zero energy buildings in schools
(Web of conferences, 2017)
European regulations set the condition of Zero Energy Buildings for new buildings since 2020, with an intermediate milestone in 2018 for public buildings, in order to control greenhouse gases emissions control and climate ...
Artículo
An improved model for the synthetic generation of high temporal resolution direct normal irradiation time series
(Elsevier, 2015-12)
Several studies have confirmed the relevant impact of the resolution and frequency distribution of solar radiation data on the results of detailed production models. Many of the available direct normal irradiance (DNI) ...
Artículo
Setting intelligent city tiling strategies for urban shading simulations
(Elsevier, 2017)
Assessing accurately the solar potential of all building surfaces in cities, including shading and multiple reflections between buildings, is essential for urban energy modelling. However, since the number of surface ...
Artículo
Gestión y rehabilitación energética de edificios existentes: procedimiento experimental de diagnosis y caracterización energética
(Pontificia Universidad Católica de Chile, 2013)
Uno de los factores esenciales para la gestión y rehabilitación energética de edificios existentes es establecer un procedimiento práctico y eficiente, a partir del control distribuido y de la monitorización inteligente, ...
Artículo
Ventilación natural: estudio aerodinámico mediante CFD de extractores pasivos y captadores de viento
(Pontificia Universidad Católica de Chile, 2012)
La ventilación natural se ha ganado protagonismo en los últimos tiempos como una medida de ahorro de energía para edificios. Los dos principios fundamentales de ventilación natural son el tiro natural por diferencia de ...
Artículo
Energy Efficiency Indicators for Assessing Construction Systems Storing Renewable Energy: Application to Phase Change Material-Bearing Façades
(MDPI, 2015-08-13)
Assessing the performance or energy efficiency of a single construction element by itself is often a futile exercise. That is not the case, however, when an element is designed, among others, to improve building energy ...