Research findings in the scope of building science and building engineering are more frequently looking for a challenge related to current issues, recent progresses and future directions in the field of buildings, sustainability and creation of healthy built environment. One of the major factors contributing to this issue is also integration of new progressive materials and technologies on solar energy exploitation base. Those aspects in the area of renewable energy can contribute to the surveying of new building materials and innovative building envelope concepts based on interdisciplinary attributes of observation. It could be the one of the ways to improve thermal and energy performance of current building and including of new technologies, whose the aspects could potentially be implemented to improve energy efficiency of buildings. Recent advances in the field of selective technologies initiate fundamental strategy to apply the tools for improving the efficiency of all existing elements and concepts. Application of selective absorbent technologies may help us find new ways for optimization of energy consumption and mitigation of environmental impacts of buildings. In the building science for the field of renewable resources, the issues of solar energy, a progressive involvement is focused, among others, on the reflective, selective and solar technologies. Based on an optical analysis, the paper is focused on a spectral laboratory survey of those technologies. The results of spectrophotometry and infrared spectroscopy represent an overview of indicators concerning with the optical efficiency of selected absorbent materials to be conceivably integrated in future energy efficient concepts.
Miroslav Cekon, Brno University of Technology, Czech Republic
Stream: Energy: Renewable Energy and Environmental Solutions
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