Bunyarittikit, Suphat

Preferred name

Main Affiliation

School of Architecture, Art, and Design

suphat.bu@kmitl.ac.th

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Application of Ultrasonic Sensor and IR Sensor in Automatic Alcohol Hand Sanitizer
(2023-01-01)
Jongchanachavawat, Wirote
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Sungkongmueng, Bureerak
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Inyasri, Chaleedol
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Roopkom, Ittipat
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Mingmuang, Noppon
Hygiene is necessary to maintain human health. Hygiene keeps the body clean and free from germs, preventing the spread of diseases, which has been especially important during the COVID-19 pandemic. For this reason, we designed automatic alcohol hand sanitizers (AAHSs): one with an IR sensor and one with an ultrasonic sensor. The sanitizers will help prevent germs from spreading via the hands of people because no part of each device need be touched during its use. The AAHS with the ultrasonic sensor has various advantages over that with the IR sensor: it is 32% cheaper to produce, easier to configure and maintain, has a higher average score for user satisfaction, is smaller and more portable, and can use rechargeable batteries. In addition, its low cost makes it more suitable for commercialization. It can also be installed both outdoors and indoors. In an outdoor test, it was demonstrated to operate flawlessly. This paper includes useful information on the components of the AAHSs with the two types of sensor and an evaluation of their performance using confusion matrices.
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Mindful Architecture from Text-to-Image AI Perspectives: A Case Study of DALL-E, Midjourney, and Stable Diffusion
(2025-03-01)
Thampanichwat, Chaniporn
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Wongvorachan, Tarid
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Sirisakdi, Limpasilp
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Chunhajinda, Pornteera
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Bunyarittikit, Suphat
Mindful architecture is poised to foster sustainable behavior and simultaneously mitigate the physical and mental health challenges arising from the impacts of global warming. Previous studies demonstrate that a substantial educational gap persists between architecture and mindfulness. However, recent advancements in text-to-image AI have begun to play a significant role in generating conceptual architectural imagery, enabling architects to articulate their ideas better. This study employs DALL-E, Midjourney, and Stable Diffusion—popular tools in the field—to generate imagery of mindful architecture. Subsequently, the architects decoded the architectural characteristics in the images into words. These words were then analyzed using natural language processing techniques, including Word Cloud Generation, Word Frequency Analysis, and Topic Modeling Analysis. Research findings conclude that mindful architecture from text-to-image AI perspectives consistently features structured lines with sharp edges, prioritizes openness with indoor–outdoor spaces, employs both horizontal and vertical movement, utilizes natural lighting and earth-tone colors, incorporates wood, stone, and glass elements, and emphasizes views of serene green spaces—creating environments characterized by gentle natural sounds and calm atmospheric qualities. DALL-E is the text-to-image AI that provides the most detailed representation of mindful architecture.
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The Impact of Sea Breeze on the Islamic Vernacular Houses: The Settlements of Tha-Sala in Southern Thailand
(2023-01-01)
Noithapthim, Narisa
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Tepparat, Thanasun
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Ruhullah, Mohummad Eisa
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Bunyarittikit, Suphat
Nakhon Si Thammarat Province in Thailand has an environment reflecting fishermen's way of life. The orientation of its vernacular houses are affected by the direction and speed of the wind coming from the sea. It is assumed that there is a significant influence of the sea in the formation of settlements along the Tha-Sala littoral. This study investigates the origins of the fishing settlement patterns and housing characteristics in the Tha Sala coastal area. It examines the natural cultural and environmental factors of the coast as significant factors affecting the settlement. The research intends to discover how, along with the life styles of the community, what factors influence the community and the characteristics of the vernacular houses. The study examines particularly the influence of land and sea breeze on the community. The layout and arrangement of the vernacular houses, along with the nature of living in the houses, are all assumed to affect the life of the fishermen as depicted in the environment. The paper is based on qualitative research employing a field survey and interviews with the house owners. Three local houses that reflect fishermen's traditions and ways of life have been identified as case studies. The research observes vernacular houses and develops its thesis by analysing the data related to pictorial representations as well as history, economy, social and cultural changes, and integrative theory. The findings highlight the adaptation of coastal communities in settlements and house planning. They show that the influence comes from the natural environment to cope with the annual monsoon winds, as well as the lifestyles of the relatives. It shows that religious beliefs of the people affect house planning and the changes affect the community expansion of transportation routes. That makes the houses to be oriented toward the road with distinctive features. In fact, the houses are oriented in an East-West direction so that they do not have to resist the sea wind.
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Impact of Wall Paint Solar Absorptance on CO2 Emissions in Residential Buildings: A Case Study from Bangkok
(2024-12-01)
Wongmahasiri, Rungroj
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Wongvorachan, Tarid
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Thampanichwat, Chaniporn
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Bunyarittikit, Suphat
Electricity consumption in buildings is a significant contributor to greenhouse gas emissions, which drive climate change. Reducing electricity use in residential buildings, which account for approximately 20% of Thailand’s total electricity consumption, represents a key opportunity for lowering greenhouse gas emissions. The aim of this study was to assess the potential reduction in greenhouse gas emissions through the use of appropriate solar absorptance in wall paint, conducted via an energy simulation using a representative residential building model from Bangkok. The DOE2.1E program was employed to simulate a standard two-story house commonly found in Thailand, with an approximate floor area of 120 square meters. The window-to-wall ratios were set at 10% and 20%, and air conditioning usage was modeled for nighttime hours. External wall paint was assigned varying solar absorption coefficients, ranging from 10% to 90%. Greenhouse gas emissions were calculated by multiplying the simulated annual electricity consumption by the emission factor, expressed in kgCO<inf>2</inf>eq/kWh, provided by the Thailand Greenhouse Gas Management Organization. The results indicated that adjusting wall paint solar absorptance from 10% to 90% led to a 10% variation in both energy consumption and greenhouse gas emissions, potentially reducing CO<inf>2</inf> emissions by approximately 411–456 kgCO<inf>2</inf>eq per house per year. Therefore, implementing regulations that mandate the use of wall paints with appropriate solar absorption coefficients could significantly reduce greenhouse gas emissions and contribute to environmental protection efforts in Thailand.
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Exterior Biophilic Design Attributes Supporting Urban Mental Well-Being: A Case Study of Singapore’s Architecture
(2026-02-01)
Bunyarittikit, Suphat
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Wongvorachan, Tarid
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Petlai, Taksaporn
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Somngam, Panyaphat
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Ratanapong, Naipai
The biophilic city concept has been proposed as an approach to mitigate the negative impacts of urban growth under global warming, which increasingly affects people’s mental health. As architecture occupies a substantial proportion of urban areas, biophilic architecture plays a crucial role in supporting urban well-being, contributing to sustainable development in line with Sustainable Development Goal 3 (SDG 3) (Good Health and Well-being). Previous studies have identified a research gap regarding the integration of exterior biophilic architectural attributes within urban contexts. Therefore, this study aims to identify exterior biophilic architectural attributes that can enhance urban mental well-being, using buildings in Singapore as case studies. A questionnaire survey was conducted to evaluate architectural attributes and people’s emotional responses, with the aim of analyzing their relationships. The results indicate that exterior biophilic architectural attributes contribute unequally to urban mental well-being. Natural features emerged as the most influential attribute, exerting comprehensive positive effects on attentiveness, inspiration, and self-assurance. Natural forms and natural colors also demonstrated significant contributions by promoting relaxation, cognitive engagement, and inspiration. In addition, natural spaces supported attentiveness and confidence, while natural materials, despite being less prevalent, exhibited strong qualitative effects on inspiration and psychological security. Accordingly, this study provides biophilic architectural design guidelines that support the mental sustainability of urban populations affected by global warming.
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Biophilic Architecture in the Livable City of Melbourne CBD
(2025-12-01)
Thampanichwat, Chaniporn
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Wongvorachan, Tarid
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Somngam, Panyaphat
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Petlai, Taksaporn
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Sirisakdi, Limpasilp
Amid continuous urban population growth and urbanization’s environmental and social challenges, livable cities have become a key priority for governments. Among the various factors influencing urban livability, architectural design integrating natural elements plays a critical role. Melbourne consistently ranks as one of the world’s most livable cities, with its Central Business District (CBD) serving as its core. Since a previous study has highlighted a research gap concerning the role of architecture in livable cities and indicated that the characteristics of biophilic architecture remain unclear, this study addresses the following question: What are the attributes of biophilic architecture in the CBD of the livable city of Melbourne? Subsequently, buildings exhibiting characteristics of Biophilic architecture were surveyed, and photographs capturing the most representative aspects of each building were documented. These characteristics were then coded and analyzed using statistics. The study found that Biophilic architecture is extremely rare in Melbourne’s CBD, with only four of 6375 properties (0.06%) identified as such. The most prominent attributes include connection to nature, natural color tones, and light modulation shaped by the city’s grid layout and strong sunlight. However, the dominance of concrete structures and heritage regulations constrains formal diversity. While Melbourne may not provide abundant examples, its context offers valuable insight into how urban form and policy shape biophilic expression. Future studies should extend this comparative approach to other cities to better understand context-specific adaptations of biophilic design.
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A Content Analysis of Architectural Atmosphere Influencing Mindfulness through the Lens of Instagram
(2023-07-01)
Thampanichwat, Chaniporn
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Bunyarittikit, Suphat
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Moorapun, Chumporn
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Phaibulputhipong, Prima
Mindfulness is a psychological construct that enhances sustainable behaviors, environmental behavior, environmental consumption, mindful consumption, and water and energy sustainable consumption. The state of mindfulness can be affected by the determinator of the physical environment as architecture via the architectural atmosphere. The previous studies show that the discrete areas of knowledge between architecture and mindfulness are still widely unknown. However, image-centered social media platforms such as Instagram seem to be able to provide big data for studying people’s perceptions of architecture. Thus, this study aims to describe the concept design and characteristics of architectural atmosphere in architecture images tagged mindfulness posted to Instagram. A coding framework developed from a previous systematic literature review was conducted for this content analysis. A total of 354 architectural images were screened, coded, and analyzed by five architects. The results highlight that the Japanese traditional architecture (59.20%) looks to be the most architectural atmosphere concept that influences mindfulness, following by Biophilic Design (33.05%), and Buddhist contemplative space (20.06%). In addition, it was found that the most common architectural atmosphere characteristic fostering mindfulness performed calm space (73.58%), focus object (54.45%), concrete material (85.71%), hue color (78.17%), hard light and shadow (78.98%), and view with a tree (60.11%).
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Exploring Sidewalk Built Environment Design Strategies to Promote Walkability in Tropical Humid Climates
(2025-08-01)
Anuntavachakorn, Pakin
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Pawarana, Purinat
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Wongvorachan, Tarid
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Thampanichwat, Chaniporn
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Bunyarittikit, Suphat
The world is facing a state of “global boiling,” causing damage to various sectors. Developing pedestrian systems is a key to mitigating it, especially in tropical and humid cities where the climate discourages walking and increases the need for shaded walkways. Recent research shows a lack of data and in-depth studies on the built environment promoting walkability in such climates, creating a research gap this study aims to fill. Using Singapore as a case study, four locations—Marina Bay, Orchard Road, Boat Quay, and Chinatown—were surveyed and analyzed through visual decoding and questionnaires. Results show that natural light is the most frequently observed and important element in pedestrian pathway design in tropical and humid areas. Trees and sidewalks are also important in creating a walk-friendly environment. Green spaces significantly influence the desire to walk, though no clear positive outcomes were found. Additionally, “Other Emotions” negatively affect the decision to walk, suggesting these should be avoided in future pedestrian pathway designs to encourage walking.
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Exterior Architectural Characteristics of Biophilic Design in Diverse Regional Contexts: Case Studies from Asia, Europe, and Australia
(2026-03-01)
Thampanichwat, Chaniporn
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Wongvorachan, Tarid
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Petlai, Taksaporn
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Somngam, Panyaphat
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Sirisakdi, Limpasilp
Biophilic design has gained increasing importance in contemporary architecture due to its potential to enhance human well-being, environmental quality, and the integration of nature within built environments. While a growing body of literature exists, there remains a limited understanding of how biophilic architecture is visually expressed in diverse regional contexts. As the exterior of a building constitutes its most immediate expression, examining these characteristics is essential. This research gap raises the question of how exterior biophilic design characteristics are articulated in architectural practice within different geographic settings. To address this gap, this study examines the exterior architectural characteristics of biophilic design through selected case studies from Asia, Europe, and Australia, focusing on how these characteristics are manifested in each regional context. The research adopts a three-step methodological approach. First, on-site photographic documentation was conducted. Second, the collected photographs were systematically coded. Third, descriptive analysis was employed to examine the distribution of biophilic design characteristics in diverse regional contexts. Across all regions, biophilic attributes are most prominently manifested with natural colors, natural materials, and biomorphic or natural forms. In contrast, spatial attributes appear less consistently documented in photographs. This study is limited by its reliance on photographic analysis and a relatively small sample size. Future research should integrate multimethod approaches and expanded case studies to capture experiential and environmental dimensions of biophilic design beyond visual attributes.
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A Systematic Review of Architectural Atmosphere That Fosters Mindfulness Constructs
(2025-07-01)
Thampanichwat, Chaniporn
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Sirisakdi, Limpasilp
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Petsirasan, Sippakorn
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Wutisun, Duangkamon
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Singkham, Sathirat
This study explores how architectural atmosphere can foster mindfulness constructs in response to the growing mental health crisis. Mindfulness, known for improving mental health, reducing stress, and enhancing overall well-being, is increasingly recognized as a potential solution to mental health challenges. However, research on how architectural atmosphere supports mindfulness is limited. This study systematically reviews architectural atmosphere features that promote mindfulness constructs, which includes awareness, openness, attention, focus, connection, and calmness. A literature review was conducted using the Scopus database, following PRISMA guidelines for transparency. Fifty-three articles were selected, focusing on mindfulness features in architectural atmosphere: awareness (4), openness (1), attention (28), focus (5), and connection (15). No studies were found on architectural atmosphere fostering calmness. The findings suggest that architectural atmosphere plays a significant role in supporting mindfulness, but further empirical studies are needed to validate these results in real-world contexts.

Bunyarittikit, Suphat

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