Revue des matériaux et énergies renouvelables
Volume 4, Numéro 2, Pages 1-16
2021-03-01
Assessment Of Thermal Comfort In Some Public Buildings In The Sudano-sahelian Area Of Cameroon During The So-called "cold" Period (harmattan Season)
Authors : Lissangadi Mounouna Dapsia . Ahmat Tom . Djongyang Noel .
Abstract
This paper deals with adaptive thermal comfort in public buildings in the Sudano-Sahelian zone of Cameroon during the harmattan season. In-situ data measurements were taken in various buildings according to the type of landforms (mountain and plain). A quantitative sociological survey was also conducted on the thermal sensation of the occupants. The Predicted Mean Vote and Predicted Percentage of Dissatisfied comfort indexes were evaluated as well as the Actual Mean Vote, and the Actual Percentage of Dissatisfied. Results showed that the operative temperatures and the relative humidity determined on the basis of the Actual Mean Vote were respectively 20.09 °C and 30.35 % (in the Mountains), 20.92 °C and 61.94 % (in plains). The operative temperatures of the comfort zone in the mountainous area were between 14.20 °C and 22.45 °C while the operative temperatures of the comfort zone in the plain zone are between 17.5 °C and 24.3 °C. Occupants testified indoor "thermal unacceptability" especially for public administrations and schools.
Keywords
Public buildings; Sudano-Sahelian zone; Thermal comfort; Harmattan season; Thermal unacceptability; Neutral operative temperature.
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