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Temperature Gradient across Masonry Walls under Transient Conditions: Case Studies from a Warm Humid Climate

Temperature Gradient across Masonry Walls under Transient Conditions: Case Studies from a Warm... The transient thermal behavior of masonry walls from the warm-humid climate of Kerala, India was investigated in this study. The surface and core temperature of three different solid masonry walls were monitored under real-time climatic conditions. An instrumental set-up called ‘Architectural Evaluation System’ was custom fabricated for continuously recording the required parameters. Field study data assimilates the temperature gradient pattern at different positions of the solid masonry wall and analyses the influence of thermos-physical properties of the wall material on the heat transfer. Temperature gradient graphs during the heating period and non-heating period were studied to derive heat transfer patterns of solid masonry walls in a warm humid climate. The external surface temperature profiles fluctuated from 25 to 46 °C, influenced by the solar radiation and the thermal properties of the wall surface. The internal surface temperature and core temperature profiles of all three solid masonry walls fluctuated within a narrow range of high temperature from 28 to 33 °C, indicating a high thermal storage capacity for the wall, and lack of effective night-time cooling. The study adds to the existing field study data and also aids in deciding the optimal wall thickness for energy efficient building design. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of The Institution of Engineers (India):Series A Springer Journals

Temperature Gradient across Masonry Walls under Transient Conditions: Case Studies from a Warm Humid Climate

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Publisher
Springer Journals
Copyright
Copyright © The Institution of Engineers (India) 2022
ISSN
2250-2149
eISSN
2250-2157
DOI
10.1007/s40030-022-00633-5
Publisher site
See Article on Publisher Site

Abstract

The transient thermal behavior of masonry walls from the warm-humid climate of Kerala, India was investigated in this study. The surface and core temperature of three different solid masonry walls were monitored under real-time climatic conditions. An instrumental set-up called ‘Architectural Evaluation System’ was custom fabricated for continuously recording the required parameters. Field study data assimilates the temperature gradient pattern at different positions of the solid masonry wall and analyses the influence of thermos-physical properties of the wall material on the heat transfer. Temperature gradient graphs during the heating period and non-heating period were studied to derive heat transfer patterns of solid masonry walls in a warm humid climate. The external surface temperature profiles fluctuated from 25 to 46 °C, influenced by the solar radiation and the thermal properties of the wall surface. The internal surface temperature and core temperature profiles of all three solid masonry walls fluctuated within a narrow range of high temperature from 28 to 33 °C, indicating a high thermal storage capacity for the wall, and lack of effective night-time cooling. The study adds to the existing field study data and also aids in deciding the optimal wall thickness for energy efficient building design.

Journal

Journal of The Institution of Engineers (India):Series ASpringer Journals

Published: Apr 25, 2022

Keywords: Thermal performance; Masonry wall; Field study; Temperature gradient; Warm humid climate

References