Alternative Way of Thermal Protection by Thermal Barrier

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The main objective in building constructions is reducing energy consumption and increasing the proportion of renewable energy sources. We can find the various ways of reducing energy consumption, where the most used method is passive thermal protection and thus increasing thermal resistance of structures. There are also ways of active thermal protection, where one of the new ways is the system of TB (thermal barrier) using renewable energy sources to reduce heat loss through non-transparent parts of building envelope. It is one of the new types of thermal protection and there are not available clear rules for the design of the structures with TB and there are not quantified energy savings compared to buildings without a TB. TB decrease heat transmission only through opaque constructions, what is only one part of the total heat loss and thus is questionable payback period and primary energy consumption of TB system compared to the standard buildings. The paper is focused on comparison of temperatures in the wall construction with and without TB system and determining the external temperatures at which it is appropriate to apply a construction with TB.

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107-111

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February 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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