Observatorio de I+D+i UPM

Memorias de investigación
Research Publications in journals:
'The Influence of Openings on Energy Demand of Buildings: Analysis of their Characteristic Parameters Using LIDER Software (Spain)'
Research Areas
  • Civil engineering and architecture
Openings on buildings façades perform several functions, namely, illumination, ventilation, vision, and communication with outside conditions. Furthermore, when energy efficiency is to be considered, the opening plays a major part in the energetic balance of a building. This article studies the opening as a specialized low technology system which regulates the external climatic conditions having an impact on the building energy demand. First, it was analysed the main parameters that characterize the opening as an element of solar reception in order to indentify the influence of each of them with regard to energy demand. By means of LIDER software calculation method the opening is studied as a solar gain element. LIDER is a recognized free computer programme of Spanish Building Regulation (Código Técnico de la Edificación, CTE). The contribution of 14 specific parameters of the opening to energy demand is evaluated, specifically, orientation, window-to-wall ratio, frame percentage, degree of absorption, glazing g-value, frame U-value, glazing U-value, overhangs, returns, louver blinds, awnings, air permeability, infiltration and air change rate. With this approach, it was obtained the relative relevance of the 14 parameters under study with regards to energy performance of a simulated space considering the conditions set in the analysis. The alteration in those parameters allows for variations in energy demand estimated at the range 10-60% in heating, and between 2-150% in cooling. The outcomes are more important in qualitative than in quantitative terms due to the limitations of the method and to the working hypotheses of the onset conditions.
The International Journal of the Constructed Environment
Impact factor JCR
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The International Journal of the Constructed Environment is peer-reviewed, supported by rigorous processes of criterion referenced article ranking and qualitative commentary, ensuring that only intellectual work of the greatest substance and highest significance is published.
  • Autor: Izaskun Gallo Ormazábal (UPM)
  • Autor: Justo Garcia Navarro (UPM)
  • Autor: Maria Trinidad Fernandez Perez (UPM)
Research Group, Departaments and Institutes related
  • Creador: Grupo de Investigación: Sostenibilidad en la Construcción y en la Industria
  • Departamento: Lingüística Aplicada a la Ciencia y a la Tecnología
  • Departamento: Ingeniería Agroforestal
S2i 2020 Observatorio de investigación @ UPM con la colaboración del Consejo Social UPM
Cofinanciación del MINECO en el marco del Programa INNCIDE 2011 (OTR-2011-0236)
Cofinanciación del MINECO en el marco del Programa INNPACTO (IPT-020000-2010-22)