Article (Scientific journals)
A systematic review on role of humidity as an indoor thermal comfort parameter in humid climates
Amaripadath, Deepak; Rahif, Ramin; Velickovic, Mirjana et al.
2023In Journal of Building Engineering, 68, p. 106039
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Keywords :
Thermal discomfort; Early-stage design; post-occupancy evaluation; Adaptive model; PMV/PPD model
Abstract :
[en] Thermal discomfort over time can lead to unproductivity and health issues for the occupants. Like operative temperature, humidity is an important parameter that affects thermal comfort and occupant health. This paper analyzed how humidity was incorporated into spatial and person alized thermal comfort assessments and models. In addition, the paper studied different indoor thermal comfort indices in terms of index type and time temporality. The study found that most standards and guidelines recommended a fixed upper and lower threshold for humidity for spatial assessment. For personalized assessments, the humidity was indirectly coupled through evaporative heat losses in most physiological and psychological models. In addition, transient processes like metabolic activities that changed in warm temperatures and humidities also influenced human comfort perception. The existing indoor thermal comfort indices used a point-in-time approach in terms of time temporality. Based on these findings, this paper suggested a spatial assessment for early-stage building design and a personalized assessment for the post-occupancy stage. In addition, this paper recommended a time-integrated and multizonal hygrothermal discomfort indicator that should incorporate both operative temperature and relative humidity in the future. Finally, the paper provides a set of suggestions and aspirations for practice and research based on the study findings.
Research center :
Sustainable Building Design Lab
Disciplines :
Civil engineering
Author, co-author :
Amaripadath, Deepak  ;  Université de Liège - ULiège > Urban and Environmental Engineering
Rahif, Ramin  ;  Université de Liège - ULiège > Urban and Environmental Engineering
Velickovic, Mirjana 
Attia, Shady  ;  Université de Liège - ULiège > Département ArGEnCo > Techniques de construction des bâtiments
Language :
English
Title :
A systematic review on role of humidity as an indoor thermal comfort parameter in humid climates
Publication date :
01 June 2023
Journal title :
Journal of Building Engineering
eISSN :
2352-7102
Publisher :
Elsevier BV
Volume :
68
Pages :
106039
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
Project SurChauffe
Funding number :
847587
Available on ORBi :
since 17 February 2023

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