The degree of adaptive thermal comfort in office workers in a hot-summer Mediterranean climate

2020 ◽  
Vol 223 ◽  
pp. 110147 ◽  
Author(s):  
Farah Al-Atrash ◽  
Runa T. Hellwig ◽  
Andreas Wagner
Keyword(s):  
Thermal Comfort ◽  
Mediterranean Climate ◽  
Office Workers ◽  
Adaptive Thermal Comfort

scholarly journals Window Design of Naturally Ventilated Offices in the Mediterranean Climate in Terms of CO2 and Thermal Comfort Performance

2020 ◽  
Vol 12 (2) ◽  
pp. 473 ◽  
Author(s):  
Hardi K. Abdullah ◽  
Halil Z. Alibaba
Keyword(s):  
Thermal Comfort ◽  
Natural Ventilation ◽  
Mediterranean Climate ◽  
Computational Modelling ◽  
Co2 Concentration ◽  
The North ◽  
Adaptive Thermal Comfort ◽  
Adaptive Comfort ◽  
The Mediterranean ◽  
Window Design

Natural ventilation through window openings is an inexpensive and effective solution to bring fresh air into internal spaces and improve indoor environmental conditions. This study attempts to address the “indoor air quality–thermal comfort” dilemma of naturally ventilated office buildings in the Mediterranean climate through the effective use of early window design. An experimental method of computational modelling and simulation was applied. The assessments of indoor carbon dioxide (CO2) concentration and adaptive thermal comfort were performed using the British/European standard BS EN 15251:2007. The results indicate that when windows were opened, the first-floor zones were subjected to the highest CO2 levels, especially the north-facing window in the winter and the south-facing window in the summer. For a fully glazed wall, a 10% window opening could provide all the office hours inside category I of CO2 concentration. Such an achievement requires full and quarter window openings in the cases of 10% and 25% window-to-floor ratios (WFR), respectively. The findings of the European adaptive comfort showed that less than 50% of office hours appeared in category III with cross-ventilation. The concluding remarks and recommendations are presented.

scholarly journals Field study on adaptive thermal comfort models for nursing homes in the Mediterranean climate

2021 ◽  
pp. 111475
Author(s):  
N. Forcada ◽  
M. Gangolells ◽  
M. Casals ◽  
B. Tejedor ◽  
M. Macarulla ◽  
...  
Keyword(s):  
Nursing Homes ◽  
Thermal Comfort ◽  
Field Study ◽  
Mediterranean Climate ◽  
Adaptive Thermal Comfort ◽  
The Mediterranean

scholarly journals Assessment of the Thermal Performance of Complete Buildings Using Adaptive Thermal Comfort

2016 ◽  
Vol 216 ◽  
pp. 655-661 ◽  
Author(s):  
Aiman Albatayneh ◽  
Dariusz Alterman ◽  
Adrian Page ◽  
Behdad Moghtaderi
Keyword(s):  
Thermal Comfort ◽  
Thermal Performance ◽  
Adaptive Thermal Comfort

scholarly journals Towards Sustainable Development: Building’s Retrofitting with PCMs to Enhance the Indoor Thermal Comfort in Tropical Climate, Malaysia

2021 ◽  
Vol 13 (7) ◽  
pp. 3614
Author(s):  
Zeyad Amin Al-Absi ◽  
Mohd Isa Mohd Hafizal ◽  
Mazran Ismail ◽  
Azhar Ghazali
Keyword(s):  
Climate Change ◽  
Sustainable Development ◽  
Thermal Comfort ◽  
Phase Change Materials ◽  
Thermal Environment ◽  
High Energy ◽  
Transition Temperatures ◽  
Indoor Thermal Environment ◽  
Adaptive Thermal Comfort ◽  
The Difference

Building sector is associated with high energy consumption and greenhouse gas emissions, which contribute to climate change. Sustainable development emphasizes any actions to reduce climate change and its effect. In Malaysia, half of the energy utilized in buildings goes towards building cooling. Thermal comfort studies and adaptive thermal comfort models reflect the high comfort temperatures for Malaysians in naturally conditioned buildings, which make it possible to tackle the difference between buildings’ indoor temperature and the required comfort temperature by using proper passive measures. This study investigates the effectiveness of building’s retrofitting with phase change materials (PCMs) as a passive cooling technology to improve the indoor thermal environment for more comfortable conditions. PCM sheets were numerically investigated below the internal finishing of the walls. The investigation involved an optimization study for the PCMs transition temperatures and quantities. The results showed significant improvement in the indoor thermal environment, especially when using lower transition temperatures and higher quantities of PCMs. Therefore, the monthly thermal discomfort time has decreased completely, while the thermal comfort time has increased to as high as 98%. The PCM was effective year-round and the optimum performance for the investigated conditions was achieved when using 18mm layer of PCM27-26.

Adaptive Thermal Comfort

2019 ◽  
pp. 49-59
Author(s):  
Ken Parsons
Keyword(s):  
Thermal Comfort ◽  
Adaptive Thermal Comfort

scholarly journals The Connection between Architectural Elements and Adaptive Thermal Comfort of Tropical Vernacular Houses in Mountain and Beach Locations

Energies ◽  
2021 ◽  
Vol 14 (21) ◽  
pp. 7427
Author(s):  
Hermawan Hermawan ◽  
Jozef Švajlenka
Keyword(s):  
Thermal Comfort ◽  
Mixed Method ◽  
Rainy Season ◽  
Qualitative Methodology ◽  
Dry Season ◽  
Architectural Elements ◽  
Air Temperatures ◽  
Adaptive Thermal Comfort ◽  
Architectural Features ◽  
Study Results

Passive thermal comfort has been widely used to test the thermal performance of a building. The science of active thermal comfort is important to be connected with the science of architecture. The currently developing active thermal comfort is adaptive thermal comfort. Vernacular houses are believed to be able to create thermal comfort for the inhabitants. The present study seeks to analyze the connection between the architectural elements of vernacular houses and adaptive thermal comfort. A mixed method was applied. A quantitative approach was used in the measurement of variables of climate, while a qualitative methodology was employed in an interview on thermal sensations. The connection between architectural elements and adaptive thermal comfort was analyzed by considering the correlation among architectural features, the analysis results of thermal comfort, and the Olgyay and psychrometric diagrams. At the beginning of the rainy season, residents of exposed stone houses had the highest comfortable percentage of 31%. In the middle of the rainy season, the highest percentage of comfort was obtained by residents of exposed brick and wooden houses on the beach at 39%. The lowest comfortable percentage experienced by residents of exposed stone houses at the beginning of the dry season was 0%. The beginning of the dry season in mountainous areas has air temperatures that are too low, making residents uncomfortable. The study results demonstrate that adaptive thermal comfort is related to using a room for adaptation to create thermal comfort for the inhabitants.

scholarly journals ADAPTIVE HOUSE DESIGN AND PEOPLE’S HABITS IN ACHIEVING THERMAL COMFORT IN GAYO HIGHLAND ACEH, INDONESIA

2021 ◽  
Vol 8 (1) ◽  
pp. 23
Author(s):  
Erna Meutia ◽  
Laina Hilma Sari
Keyword(s):  
Thermal Comfort ◽  
Thermal Environment ◽  
The Body ◽  
Mental Condition ◽  
Human Adaptation ◽  
Cold Environment ◽  
Adaptive Thermal Comfort ◽  
Aceh Province ◽  
Lower Temperature ◽  
House Design

The Gayo Highland is one of the districts in Aceh Province, Sumatra. Due to the topography, this area has a lower  temperature compared than the flat and coastal areas in Aceh. The thermal comfort that is felt is based on a person's mental condition and how he expresses his satisfaction with his thermal environment. In other words, it shows how humans adapt to their thermal environment. Thermal comfort based on human adaptation is known as adaptive thermal comfort. The form of dwelling for the Gayo Highland community has shifted and changed from traditional dwelling to Transitional and Modern forms that influence the Gayo Highland community's adaptation to achieve thermal comfort. Therefore, this paper aims to investigate the house design in Gayo highland in providing warmth to the occupants naturally in the cold environment. Another aim of this study is to investigate the people's habits in warming up the body to deal with the low air temperature in the area.  This study shows how the local people adapt themselves through the house element and daily habit to gain the internal thermal comfort.

Application of adaptive thermal comfort methods for Iranian schoolchildren

2016 ◽  
Vol 47 (2) ◽  
pp. 173-189 ◽  
Author(s):  
Shamila Haddad ◽  
Paul Osmond ◽  
Steve King
Keyword(s):  
Thermal Comfort ◽  
Adaptive Thermal Comfort
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