Article (Scientific journals)
Thermal perception in outdoor urban spaces under the Mediterranean climate of Annaba, Algeria
Labdaoui, Kahima; Mazouz, Said; Reiter, Sigrid et al.
2021In Urban Climate, 39
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Keywords :
Cooling degree days (CDD); Heating degree days (HDD); Hot-summer Mediterranean climate (Csa); Outdoor environment; Physiologically Equivalent Temperature (PET); Thermal Sensation Vote (TSV)
Abstract :
[en] Many studies were investigated to grade outdoor thermal comfort and related thermal sensation during the past years. This study aims to explore thermal comfort conditions and thermal sensation in the hot Mediterranean climate (Csa), which annually includes 1100-1700 cooling degree days and 1200-1800 heating degree days (CDD=1100-1700, HDD=1200-1800). This research tested the human thermal sensation by applying the Physiological Equivalent Temperature (PET) index. A field survey of 1230 interviewees was conducted in Annaba, Algeria, in four outdoor environments having the same morphology and different green cover. The scientific method involved combining two software. Envi-met was used to calibrate microclimatic data (air temperature, wind velocity, relative humidity and mean radiant temperature); in comparison, RayMan used to calculate PET. The results showed the neutral sensation range for this Mediterranean climate varies between 20 °C and 26°C. The highest scores of neutral thermal sensation were recorded in spaces with vegetation cover, which involves the trees cooling effect in enhancing thermal comfort, especially during the hot hours of the day. The air temperature divergence reached 4°C and 3°C for Tmrt at noon, considered the day's hottest hour. The findings also highlight the existence of a thermal adaptation in outdoor spaces having a green cover.
Research center :
LEMA - Local Environment Management and Analysis
Disciplines :
Architecture
Author, co-author :
Labdaoui, Kahima
Mazouz, Said
Reiter, Sigrid  ;  Université de Liège - ULiège > Département ArGEnCo > Urbanisme et aménagement du territoire
Teller, Jacques  ;  Université de Liège - ULiège > Département ArGEnCo > Urbanisme et aménagement du territoire
Language :
English
Title :
Thermal perception in outdoor urban spaces under the Mediterranean climate of Annaba, Algeria
Publication date :
2021
Journal title :
Urban Climate
eISSN :
2212-0955
Publisher :
Elsevier, Amsterdam, Netherlands
Volume :
39
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 05 October 2021

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