Analysis of Convergence Characteristics of Average Method Regulated by ISO 9869-1 for Evaluating In Situ Thermal Resistance and Thermal Transmittance of Opaque Exterior Walls

In the last few decades, an average method which is regulated by ISO 9869-1 has been used to evaluate the in situ thermal transmittance (<i>U</i>-value) and thermal resistance (<i>R</i>-value) of building envelopes obtained from onsite measurements and to verify the validity...

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Bibliographic Details
Main Authors: Doo Sung Choi, Myeong Jin Ko
Format: Article
Language:English
Published: MDPI AG 2019-05-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/12/10/1989