engleski

Temperature-Based Approach for In Situ Evaluation of Thermal Transmittance of Building Walls

Currently, there are several common measurement techniques to measure the thermal transmittance (U- value) of external building walls. Existing literature review identified so far, some advantages, disadvantages, and limitations of practical application of those existing methods. Due to observed limitations of the commonly used standardized and non-standardized methods, new methods are developing aiming at improvement of the accuracy and reliability of in situ measurements.This chapter deals with possibilities of using temperature-based method (TBM) andfurther development of this method due to reported promising results. This method is relatively new and relies on the Newton’s law of cooling. Method itself is simple to use, inexpensive, and accurate when compared to standardized methods of measurements and results are easy to obtain and to interpret. The aim of research presented in this chapter was to improve the accuracy of the in situ measurement of building façades with low thermal transmittance values by using the TBM.

Thermal transmittance ; Temperature-based method ; Walls

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