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Mostrando ítems 1-10 de 39
Artículo
Analysis of the economic feasibility and reduction of a building’s energy consumption and emissions when integrating hybrid solar thermal/PV/micro-CHP systems
(Elsevier, 2016)
The aim of this paper is to assess the performance of several designs of hybrid systems composed of solar thermal collectors, photovoltaic panels and natural gas internal combustion engines. The software TRNSYS 17 has been ...
Artículo
Potential of ORC Systems to Retrofit CHP Plants in Wastewater Treatment Stations
(International Centre for Sustainable Development of Energy, Water and Environment Systems, 2013)
Wastewater treatment stations take advantage of the biogas produced from sludge in anaerobic digesters to generate electricity (reciprocating gas engines) and heat (cooling water and engine exhaust gases). A fraction of ...
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
PHDC: sistemas de enfriamiento evaporativo pasivos e híbridos para edificios – software de prediseño
(Pontificia Universidad Católica de Chile, 2012)
PHDC, es un proyecto internacional, creado con el objetivo de promover el uso de sistemas de refrigeración Pasivos e Híbridos en los edificios entre profesionales de diseño, constructores, propietarios y usuarios. En este ...
Artículo
Biomass universal district heating systems
(Web of conferences, 2017)
In mild climate regions Directive 27/2012 EU application for developing sustainable district heating networks in consolidated urban nucleus is a challenge. In Spain most of the municipalities above 5,000 inhabitants have ...
Artículo
Artificial neural networks and physical modeling for determination of baseline consumption of CHP plants
(Elsevier, 2014)
An effective modeling technique is proposed for determining baseline energy consumption in the industry. A CHP plant is considered in the study that was subjected to a retrofit, which consisted of the implementation of ...
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 ...
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
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
Analysis of a new analytical law of Heat Release Rate (HRR) for Homogeneous Charge Compression Ignition (HCCI) combustion mode versus analytical parameters
(Elsevier, 2010)
Homogeneous charge compression ignition (HCCI) engines produce very low NO and soot emissions and alsoimprove engine efficiency when compare to conventional spark ignition engines. The combustion process bases on the ...