&lt;b&gt;Human thermal comfort and architectural volume

Oliveira, Etianne Alves Souza de; Xavier, Antônio Augusto de Paula; Michaloski, Ariel Orlei; Pizybski, Elisandra Montes

doi:10.4025/actascitechnol.v38i2.28308

Cited by 4 publications

(4 citation statements)

References 12 publications

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“…This value does not consider the opening's ratio consisting of lattice windows and skylights which contribute to the room's ventilation significantly in the Qua'a design. It is also noticed that the mean RPH is 5.44 which is within the suitable comfort range 4-8 [6]. As for AR which expresses the degree of exposure to the sky, the mean value was 1.76.…”

Section: Case Study: Results and Discussionmentioning

confidence: 68%

“…In the Vázquez-Torres and Gómez-Amador study 18 variables were added such as total surface area, room dimensions, and ceiling height [5]. To find a correlation between the volume of architecture space and workers' thermal comfort De Oliveira found from his analytical study in real work environments that there was no significant correlation between the volume of architectural spaces and workers' thermal comfort since the data support the null hypothesis [6]. In another study by Muhaisen on the effect of aspect ratio (H/W) on the thermal performance of buildings in the Mediterranean climate, it was found that "the received solar radiation is reduced by 130.2% in summer with increasing the aspect ratio from 0.5 to 4.0 at (N-S) orientation" [7].…”

Section: Introductionmentioning

confidence: 99%

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Learning From Morphological Indicators of the Living Space (Qua’a) in the Historical Islamic Residence

El-Darwish

2022

Islamic Heritage Architecture IV

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One of the most important parts of the residential building in Islamic architecture is the living space (Qua'a). The main Qua'a is the space used in design during Mamluk and Ottoman periods as a living space for receiving and entertaining guests. In the Islamic house during this period there were several Qua'as in each house but the main one was usually located on the ground floor. The purpose of this study is to identify the morphological indicators and proportions of the Qua'a to enhance the design process. A sample of five different living spaces in five different historical Islamic houses were studied to achieve this. The samples were selected after a comprehensive historical study on the Islamic houses that were built in Cairo during the Mamluk and Ottoman periods. The statistical description used for the analysis of the morphological indicators and parameters is form, context, opening ratio, plan aspect ratio (PAR), area aspect ratio AR (AR), ratio of perimeter to height (RPH), and volume aspect ratio (VAR) of the Qua'a in the Islamic house. The morphological indicators and parameters for the study are carefully selected based on their impact on the performance of such spaces and how these spaces impact on environmental and psychological aspects. The findings of this study will reflect the way these components interact and if they are correlated. The research constitutes a pilot study, any statistical outcome will require involving a larger sample.

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Section: Case Study: Results and Discussionmentioning

confidence: 68%

Section: Introductionmentioning

confidence: 99%

Learning From Morphological Indicators of the Living Space (Qua’a) in the Historical Islamic Residence

El-Darwish

2022

Islamic Heritage Architecture IV

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“…This shows that, even though using a single-loaded-corridor design to improve the thermal comfort level in the classroom, this is not enough to achieve year-round thermal comfort in Malaysian weather. The lack of thermal comfort in the hotter months implies the lack of a comfortable temperature, deleterious effects on the occupants' health and higher energy consumption [22]. These findings were supported by the user's preferences, which showed a higher rate of satisfaction in the single-loadedcorridor classroom.…”

Section: Discussionmentioning

confidence: 74%

Evaluating Ventilation for Thermal Comfort in Two Classrooms Types in Malaysian Secondary Classrooms

Faraj,

Ja’afar,

Shari

2023

IJSDP

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This study aimed at evaluating the ventilation quality in two secondary school buildings in Malaysia with two different layouts, representing one single-and one double-loaded-corridor design model. One classroom was chosen from each school for the study. In this study, the method uses computer simulations and user surveys to compare results on designing future secondary schools in Malaysia. DesignBuilder software were used to simulate the exterior and interior airflow, temperature, and humidity for various times of the year, with data collected from the simulations were fed into and analyses through the online CBE Thermal Comfort Tool to determine thermal comfort performance by using adaptive approach method. The simulations were performed for the same locations, on the same dates, and under the same environmental conditions to obtain comparable results. The simulation data were used to split the classrooms into thermal zones, with the thermal comfort rate for each zone being determined on the specified dates. A user survey to determine satisfaction levels and obtain comments was conducted with 67 participants (all students plus three teachers from each classroom). It was found that the single-loaded-corridor system provided greater thermal comfort throughout the year due to reduced temperatures and enhanced airflow.

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“…Nesse contexto, é recomendável que se incentive o uso de elementos que minimizem o ganho térmico gerado pelas fachadas envidraçadas expostas à radiação, tais como brise-soleil, marquises e varandas (MARTINEZ et al, 2009;SZOKOLAY, 2008). As características da envoltória são fatores determinantes para adequação do desempenho termoenergético na arquitetura (OLIVEIRA et al, 2016). Portanto, a eficiência de uma envoltória se baseia no quanto ela protege a edificação da ação provocada pelas trocas térmicas entre o exterior e o interior (CARLO; LAMBERTS, 2010a; 2010b).…”

Section: Introductionunclassified

Influência da envoltória no desempenho termoenergético de edificações institucionais no semiárido

Oliveira

Lunardi

2018

PARC Pesq. em Arquit. e Constr.

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ResumoA eficiência energética em edificações está relacionada à arquitetura bioclimática, que é a adequação da edificação ao clima local. Este estudo objetivou analisar a influência de determinadas características arquitetônicas e construtivas no consumo de eletricidade de edificações situadas em Mossoró, RN, cujo clima é tropical semiárido. Foram coletados dados relativos às características térmicas e geométricas dos elementos arquitetônicos, como: formato da edificação, disposição e uso dos ambientes, orientação cardeal das fachadas, posicionamento de elementos transparentes e propriedades térmicas dos materiais que compõem os sistemas construtivos. Para análise do desempenho termoenergético de parâmetros como transmitância e absortância térmica de paredes externas e da cobertura, percentual de aberturas nas fachadas, ângulos verticais de sombreamento de elementos translúcidos e orientação cardeal das edificações, utilizou-se o programa EnergyPlus, que simula o consumo de eletricidade predial ao longo do ano, baseado em modelos similares às edificações deste estudo. Nestas edificações, em função das variáveis arquitetônicas testadas, o condicionamento artificial de ar foi o principal responsável pela variação de consumo anual de eletricidade, enquanto que o consumo de sistemas de iluminação artificial e de equipamentos permaneceu constante em todos os cenários simulados. Adicionalmente, os revestimentos claros e refletivos das edificações, o baixo percentual de áreas envidraçadas nas fachadas e a existência de elementos de sombreamento contribuíram para minimizar os efeitos da radiação solar no aquecimento das edificações. A partir deste diagnóstico, são propostas recomendações projetuais para envoltória de edificações termicamente eficientes, inseridas no clima tropical semiárido e que tenham a necessidade de condicionamento artificial de ar.Palavras-chave: Arquitetura bioclimática. Eficiência energética. Simulação computacional. AbstractEnergy efficiency in buildings is related to the bioclimatic architecture, which is the adequacy of the building to the local climate. This study aimed to analyze the influence of specific architectural and construction characteristics on the electricity consumption in buildings located at Mossoró, RN, whose climate is tropical semi-arid. We recorded data of thermal and geometric characteristics of the architectural elements, such as building shape, layout, and use of spaces, the cardinal orientation of facades, positioning of translucent elements and thermal properties of construction systems materials. For the thermal and energy performance analysis of parameters such as thermal transmittance and absorptance of external walls and roofs, window-to-wall ratio, vertical shading angles of translucent openings and buildings cardinal orientation, the EnergyPlus program was used to simulate electricity consumption throughout the year, based on models similar to the target buildings of this study. In these buildings, due to the architectural variables tested, artificial air conditio...

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<b>Human thermal comfort and architectural volume

Cited by 4 publications

References 12 publications

Learning From Morphological Indicators of the Living Space (Qua’a) in the Historical Islamic Residence

Learning From Morphological Indicators of the Living Space (Qua’a) in the Historical Islamic Residence

Evaluating Ventilation for Thermal Comfort in Two Classrooms Types in Malaysian Secondary Classrooms

Influência da envoltória no desempenho termoenergético de edificações institucionais no semiárido

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