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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A Systematic Literature Review of Architecture Fostering Green Mindfulness
(2023-02-01)
Thampanichwat, Chaniporn
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Moorapun, Chumporn
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Bunyarittikit, Suphat
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Suphavarophas, Phattranis
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Phaibulputhipong, Prima
Green mindfulness seems to play an important role in promoting sustainability in architecture, but discrete areas of knowledge are still widely unknown. This study aimed to explore the publications that exist on the nexus between green mindfulness and architecture, and to find the architectural features that tend to foster green mindfulness. The study conducted a systematic literature review by searching publications from databases including Scopus, Google Scholar, and Thai Journals Online in September 2022. Five authors—one architectural researcher, two architectural professors, and two architects—independently reviewed the full-length articles to confirm their accuracy and objectivity. Eight articles were selected for examination by descriptive analysis showing the publication year, source, and citations of the articles. Thematic analysis was used to find the characteristics of the architectural atmosphere with the potential for fostering green mindfulness. Finally, only one study was found that was truly concerned with architecture and green mindfulness. This publication showed that mass and volume are associated with biophilic design, fascination with biophilic design, and affiliation with biophilic design. Material and object refer to natural material; light is in reference to natural light; and landscape and viewpoint suggest plants, greenery, and natural views, while details regarding color and sound were not explored.
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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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Generative Design Process for Alternative Creation of Architectural Design: Application of Willis Tower Shading Analysis Case Study
(2023-01-01)
Suphavarophas, Phattranis
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Keonil, Nuchnapang
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Bunyarittikit, Suphat
Generative design is a type of popular computational design providing a simple alternative design that is important instance to architectural design. This study aimed to examine generative design process to better understanding, and building an instruction set by repeat experiment methodology through case study. Willis Tower Shading Analysis was applied using variables that cause differences design options of nine sorted tubes alternate automation tower of 30-, 60- and 90-meters height. Forty-five design options were generated from generative design process, selected variables used in design options including building area, shadow area, neighbor building overshadowing and park overshadowing. It was found that generative design was a quick, modest and practical process that was easy for appropriate analysis. Additionally, input data and instruction for generating multiple output design options could be set for selecting of an option and the process could be reversed for designers required options.
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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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Strategic Approach of Reverse Logistics Management for Recyclable Waste and Transportation: A Systematic Review
(2026-01-01)
Chounchaisit, Pornarit
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Suphavarophas, Phattranis
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Bunyarittikit, Suphat
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Nanta, Piyarat
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Khwansuwan, Poon
Strategic reverse logistics management is a key driver of sustainability in supply chains, where challenges in recyclable waste must be aligned with transportation systems to achieve optimal outcomes. A systematic review using the PRISMA methodology was conducted in December 2024 by searching Scopus, Google Scholar, and Thai Journals Online to examine the global research landscape and the strategic approaches applied in reverse logistics for recyclable waste and transportation. Analysis of 32 publications shows a steady rise in research, with most studies in Asia and dispersed across multiple journals, reflecting the field’s multidisciplinary nature. Four strategic approaches were identified. Model-driven approaches demonstrate strong capability through mathematical, computational, conceptual, and hybrid models, achieving reductions of 44% in climate impacts and 34% in costs. Technology-driven approaches contribute innovations to enhance battery transport safety. Exploratory approaches reveal contextual policy gaps and financial limitations. Hybrid approaches can improve efficiency and reduce CO<inf>2</inf> emissions. The future development of hybrid approaches still offers substantial room for broader application and deeper integration. This review supports the development of more effective systems, policies, and future research.
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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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A Systematic Review of Applications of Generative Design Methods for Energy Efficiency in Buildings
(2024-05-01)
Suphavarophas, Phattranis
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Wongmahasiri, Rungroj
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Keonil, Nuchnapang
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Bunyarittikit, Suphat
Energy efficiency is a principle of architectural design that reduces environmental impact. Generative design can offer alternative options to improve energy efficiency in buildings, but significant gaps exist in the application due to accessing complex knowledge. This study aimed to explore publications on generative design and energy efficiency in buildings and identify generative methods for energy efficiency topics. This study conducted a systematic review using the PRISMA methodology in December 2023 by searching publications from databases including Scopus, Google Scholar, and Thai Journals Online. Descriptive analysis examined 34 articles, showing the publication year, source, and citations. Comparative qualitative and descriptive analysis identified generative methods. Publications are increasing over time, and further growth is expected related to the accessibility of computational design and practical applications. Tools and frameworks demonstrated reduced energy usage compared to prototypes or traditional design approaches. The most studied is thermal performance, which was reduced by 28%. Energy performance achieved up to a 23.30% reduction, followed by others and daylighting. In addition to single-topic studies, there are also studies with multiple topics. Evolutionary algorithms are standard. Parametric search strategies have increased. Exploration reveals rule-based and mixed methods. Machine learning and AI garner attention.
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Wireless Automated Exhibition System: Convenient Mobility at Low Cost
(2025-01-01)
Hirunwijitporn, Nirumol
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Jongchanachavawat, Wirote
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Bunyarittikit, Suphat
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Mingmuang, Noppon
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Roopkom, Ittipat
The application of wireless automatic exhibition system for event promotion facilitates the organization of exhibition-related activities by enabling automated control of exhibition displays. This system eliminates the need for allocating personnel to monitor the exhibition, thus reducing the cost of hiring exhibition attendants. From this research, it is possible to create a low-cost wireless automatic exhibition display system that is convenient for use in various events and exhibitions, especially when there are numerous booths involved. The system utilizes infrared sensors to detect visitors within a range of 90 cm, enabling accurate visitor counting. Once the desired number of visitors is reached, the exhibition will be displayed immediately. Additionally, the system can detect exiting visitors while the exhibition is ongoing. When the specified visitor count is met, the exhibition display will stop instantly. Due to these features, this wireless automatic exhibition system is affordable, easily portable, and suitable for various events and exhibitions. It is user-friendly and convenient for deployment.

Bunyarittikit, Suphat

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