Rizo-Maestre, C. (Carlos)

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    Healthy climate and energy savings: using thermal ceramic panels and solar thermal panels in mediterranean housing blocks
    (2018) Echarri-Iribarren, V. (Víctor); Rizo-Maestre, C. (Carlos); Echarri-Iribarren, F. (Fernando)
    Radiant surface conditioning systems based on capillary tube mats not only provide high standards of comfort, but they also generate substantial energy savings. These systems allow for using renewable energies such as solar thermal panels because they function with water at moderate temperatures¿lower in winter and higher in summer¿compared to fan-coil systems or hot water radiator systems. Moreover, in summer, they can be combined with solar cooling systems based on lithium chloride or absorption systems based on lithium bromide, which enable the cooling of water at 15¿16 C by means of solar thermal panel energy collection. This further reduces the annual energy. The purpose of this study was to examine the application of thermal ceramic panels (TCP) containing prolipropylen (PPR) capillary tube mats, in residential buildings in the Spanish Mediterranean. The water distribution system was set up individually from a heat pump and was combined with a community system of solar thermal panels. After monitoring a home over a complete one-year cycle, the annual energy demand was quantified through simulations, based on both the radiant system and the VRV system, as well as in combination with a thermal solar panel system. TCP panels reduced the annual energy demands by 31.48%, and the additional investment cost of  11,497 could be amortized over 23.31 years. The combination of TCP panels with 18.5 m2 of solar thermal panels reduced the annual energy demand by 69.47%, and the inve
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    Ceramic panels versus aluminium in buildings: energy consumption and environmental impact assessment with a new methodology
    (Elsevier, 2019) Echarri-Iribarren, V. (Víctor); Echarri-Iribarren, F. (Fernando); Rizo-Maestre, C. (Carlos)
    In the field of architecture, there is a growing awareness as to the relevance of using building materials that are produced in same geographical area as the buildings to be constructed. Important implications of these projects include environmental impact reductions deriving from less energy needed for transporting the materials, as well as the activation of the regional economy by promoting local materials. Effects are all the more significant in the case of emblematic buildings with repercussions in the media, in which aesthetic criteria are often placed before functional ones. This study examines the case of the Museu de Bellas Artes de Castellón (the Fine Arts Museum in Castellon, Spain). Cast aluminium recycled panels were used for the façade’s finishing material. Based on life cycle analysis (LCA), a comparison with the scenario of having used large-format ceramic panels, produced in the region in which the building is located, is given. A new evaluation methodology, Life Cycle Construction Assessment of Envelopes (LCCA-e) was applied, introducing the analysis of constructive improvements derived from the application of new façade materials. The reduction of derived environmental impacts was evaluated, obtaining 65.6% and 67.7% of the GER and GWP indicators in the production phase and a reduction of these indicators by 87.1% and 86.8% respectively in the complete LCA. This was also due to the reduction of energy needed for transport, as well as a reduction in annual energy demand by 8.55%, evaluated by monitoring, calibration and simulation using EnergyPlus.