Bustán-Gaona, Darío
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Preferred name
Bustán-Gaona, Darío
Main Affiliation
Ambato
Email
dariobustan@uti.edu.ec
ORCID
Scopus Author ID
58165731400

Research Output
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Analysis of thermal comfort in traditional architecture, focused on digital simulations

2024 , Bustán-Gaona, Darío , Yomara Jiménez-Sánchez , Luis J. Paredes , Jaime Caiza

Traditional Ecuadorian architecture refers to structures whose technical and visual characteristics date from pre-Columbian times to the mid-20th century. However, such architectural interventions can still be found in the Andean region, mainly in remote villages away from urban centers. Among the architectural features, ancestral knowledge passed down through generations and a construction system based on mud, wattle and daub, adobe, and other materials. The analysis aims to develop thermoenergetic simulations to identify the thermal comfort of buildings in Pilahuin Parish Center (Ambato, Ecuador). The methodology is based on a qualitative and quantitative approach, and using non-probabilistic random sampling, the following main variables were analyzed: geographic orientation, type of layout, building height, materiality, and number of floors. After surveying and architectural drawing of the buildings, 3D models were developed using Autodesk REVIT software. Consequently, digital three-dimensional architectural models were imported into Design Builder software. This process generated a diagnosis of the current state of the buildings in terms of habitability, based on interior thermal comfort. The results showed an average indoor air temperature of 18.77°C and an average relative humidity of 50.76%. With this data, strategies were developed to improve habitability based on Olgyay’s theory of architecture and climate. The resulting data, also obtained in Design Builder, allowed for a proposal to achieve the average indoor air temperature and relative humidity within the optimal ranges of Olgyay’s theory and the Ecuadorian Construction Standard. Therefore, by making certain material changes while respecting their heritage value, thermal discomfort levels were improved by 27.67% compared to the analyzed interior temperature, thereby enhancing the quality of life for the inhabitants.

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Analysis of Natural Lighting in Traditional Homes: Pilahuin Case Study

2024 , Bustán-Gaona, Darío , Yomara Jiménez-Sanchez , Avilés-Castillo, Fátima

Traditional homes in the Ecuadorian Andean region showcase their culture and tradition in their design. However, they may not be effectively harnessing natural light, making it necessary to analyze this condition. Natural light is essential for creating comfortable and habitable environments in homes. This research aims to understand the influence of natural lighting in traditional homes. On-site measurements and digital simulations were conducted to evaluate the luminous flux in specific areas of these homes. Parameters unique to this type of construction, such as the materials used, orientation, date, and time of day, were considered to ensure the accuracy of the simulations. Using Velux software, it was possible to simulate the sun's trajectory throughout the day and year to comprehend and enhance the luminous performance of these spaces. Measurements and simulations revealed that the levels of illumination in traditional Andean homes fall below the standards established in the Ecuadorian Construction Regulations. This is partly due to the design of small windows on the main facade and the materials used in floors and walls. This demonstrates that integrating natural light into architectural design is crucial for improving the quality of life for occupants and promoting sustainability.

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Metrics of natural light in traditional rural housing in Ambato

2023 , Bustán-Gaona, Darío , Jiménez-Sanchez Y. , Del Pozo M. , Armijos S.

Traditional architecture has characteristics of the place of origin that have been inherited from generation to generation and maintains an identity in each context. Today, this type of vernacular building is the object of study due to its value and the need for an unavoidable energy transition as a result of the depletion of fossil fuels. Thus, with the research, we seek to identify the worth of natural light in the inside space of traditional rural housing. To achieve this objective, the planimetric survey of the homes selected for the study was carried out, the performance of natural light in them was analyzed, and the optimization of natural light in the inside spaces of the houses was simulated. With the gotten results, it is highlighted that there are shortages of natural light in the inside spaces with a range of 3 to 280 lux, this is as a result of several factors, among them the size of the openings, the orientation, and the applied constructive system. Therefore, it is concluded that to improve the levels of luxes in the inside spaces of the house, changes are required at the constructive and materiality level, as well as the spatial and thermal level. In this way, it would be possible to guarantee the maintenance of this type of housing as a historical heritage. © Published under licence by IOP Publishing Ltd.

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