Architecture, Building and Planning - Research Publications
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ItemNo Preview AvailableZEMCH Environmental Experience Design for Enhancement of Sustainable Affordalbe Urban Dwellings(Seoul Metropolitan Government, 2024-05-23)서울특별시가 주최하고 한국주거학회가 주관하는 「2023 서울주거포럼」이 2023년 11월 8일에 서울시청 본관 8층 다목적홀에서 성황리에 개최되었다. '주거약자와의 동행'이란 주제로 열린 본 포럼은 국내 전문가뿐만 아니라 호주, 미국, 스페인 등지의 해외 연사들을 초청하여 현대에 변화하는 주거상을 밀도 있게 연구, 공유하는 자지였다. 이들이 생각한 고령화, 저출산, 양극화 등 사회의 각종 현안에 해결책을 제안하는 더 나은 주거는 어떤 모습일까?
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ItemNo Preview AvailableEnvironmental Experience Design Features of Libraries as Third Places: Examining Drivers for Social Engagement among Older Adults in Victoria(Osaka Public University Academic Extension Center, 2024-02-24)Active aging is important to older adults through social engagement with others and connection with the community. Social engagement aligns with the concept of ‘third place’ which is defined as ‘a social infrastructure in a public setting for informal gatherings’, such as library, park, and commercial places. In this project, three libraries in Victoria were selected as case studies for addressing the research question of identifying factors of third places that support active aging for social engagement in Victoria. Through qualitative observational study and quantitative questionnaire survey, this study has identified the key factors that motivate older adults to visit the library for social interaction, which are: user-friendly service with nice and friendly staff, location, accessibility, safety, visual connectivity and wayfinding. Based on the findings, libraries serve as an important third place among older adults in Victoria.
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ItemMethodological Approach of Environmental Experience Design to Enhancing Occupants' Well-Being, Bangladesh(MDPI, 2023-02)Bangladesh is an emerging nation that is urbanizing the fastest. Generally, middle-income families (as the main economic contributors) reside in high-density urban housing due to their socioeconomic disparities in Dhaka, Bangladesh, where physical design aspects focus on current housing sectors. The congested living situation worsens indoor environmental quality and has a negative impact on occupants’ mental well-being in their dwellings, resulting in a direct or indirect adverse effect on their productivity. Occupants’ living conditions can be improved by adjusting individual perceptions and experiences in their domestic environments. This study has developed an “Environmental Experience Design (EXD)” methodological approach that reflects a user-centered design theoretical framework. A field study on dwelling units (±1000 sq ft) conducted throughout the selected housings in Dhaka, Bangladesh, was carried out to examine occupants’ domestic experiences using semi-structured and structured interviews. After binary and thematic coding with significance, “Association Rules and Cluster Analysis” were used to ascertain relationships between three aspects (spatial, environmental, and user context) to explore and customize outcomes. This EXD methodological approach can be utilized to create an environmental (architectural) design solution that will enhance mental well-being by considering occupants’ needs and demands in household settings locally and worldwide.
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ItemNo Preview AvailableEnvironmental experience design research spectrum for energy and human well-being(Elsevier, 2022-01-01)Handbook of Energy and Environmental Security educates the reader about the wider dimensions of the distinctive yet intertwined subjects of ‘energy security and ‘environmental security’. The book uniquely addresses these two increasingly important topics in a comprehensive and composite manner, describing the concepts and wider dimensions of energy- and environmental security in technological, economic, social and geopolitical perspectives. Divided into three main parts, the book deals with the subject of energy security in terms of its concepts, broader dimensions and allied issues, focuses on environmental security, and covers subjects in a cohesive manner, discussing their important interfaces and commonalities. Providing valuable scholarship for academics, researchers and analysts in the fields of energy and the environment, and using case studies to illustrate national and international levels, this is a valuable resource for energy- and environmental security challenges, especially in the areas of sustainable development and climate change.
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ItemAffordable Heating System Exploration for a Net Zero Energy Experimental Home in Melbourne, Australia(ZEMCH Network, 2022-01-07)This research explores affordable heating for hydronic systems of a net zero energy experiment home built in Melbourne, Australia. For this research purpose, a 3m-wide 6m-long outbuilding is built next to a backyard garage. Inexpensive 12mm-dia poly tubes are spaced 100mm inside the 55mm-thick tiled concrete which rests on 100mmT (R2.5 m2·K/W) recycled cold-room panels laid on ground. This hydronic floor and ground is insulated from the outdoors by 400mm-deep 40mm-thick (R1 m2·K/W) polystyrene. Simulations show that heating this hydronic floor by a vertical ground heat exchanger with 17°C bottom temperature, together with a hydronic wall radiator heated by 30 evacuated tubes and a 2-cubic meter thermal storage, the indoors could reach the Nationwide House Energy Rating Scheme (NatHERS) respective night and day heating thermostats of 15°C and 20°C across winter. This assumes that the indoor had been at NatHERS temperatures for 5-6 years for the temperature at the bottom surface of the floor to stabilize. Since this warmup period has not been met, the results in this paper show the temperatures with water heated by a sawdust/wood burner. An experiment was also conducted with a compost pile. Two months after its initial 1-month exothermic phase, the temperature at the center was still 32°C. Thus, compost piles will be located outside external walls to help keep the perimeter of the floor warm. To obtain affordable hot water for the indoors to reach 20°C, a 6m-long 750mm-wide flat-belt collector was boxed up and covered with glass. In late autumn, it could only heat water by only 1-2°C and was thus not used in winter. However, by late spring, the empty poly belt had melted, indicating that, the temperature under the glass had reached above 50°C. Typical meteorological year data shows that the solar radiation has tripled that in autumn. Therefore, for future winter experiments, the weak solar radiation would be concentrated, by say, a north-facing parabolic trough with an aperture three times the area of a glazed metallic collector.
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ItemExploration of Current Builders’ Capacities to Deliver Zero Energy Buildings in China(ZEMCH Network, 2022-01-07)To strengthen the global fight against climate change, China pledges to reach carbon neutrality by 2060. As one of the major energy consumption sectors in China, the building industry’s role in CO2 emission reductions is critical to the successful pursuit of the carbon neutrality goal. The concept of zero energy buildings (ZEBs) has gained increasing attention in China due to its effective efforts on energy saving and emission reduction. The objectives of this research are to investigate current builders’ capacities for delivering ZEBs in China, to explore the differences in design and construction capacities of conventional and ZEB builders in China, and to assess the potentials of boosting Chinese builders' capacities for delivering ZEBs in the future. The research methods embrace several steps. Firstly, a checklist was developed based on the literature review to assess Chinese builders’ capacities to deliver ZEBs. Secondly, relationships between different checklist questions were analyzed using association rule in software SPSS modeler. Thirdly, builders were clustered using TwoStep Cluster Analysis in software SPSS modeler. The findings of this research suggest that most Chinese builders, even ZEB builders have insufficient ZEB design and construction knowledge. ZEB demonstration projects are mainly developed in cooperation with foreign professional institutions. Moreover, conventional builders are less competitive than ZEB builders in passive design capacity, energy efficient building design capacity, renewable energy generation capacity and research capacity, which are the key skills that conventional builders are supposed to improve. Furthermore, one-third of conventional builders have NZEBs or ULEBs production experience. They have acquired related ZEB delivery capacities and they are the most likely ZEB builders in the future.
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ItemExploration of Human-Centered Mass Customisation and Personalisation Potentials for Flood Shelter Evolution in Australia(ZEMCH Network, 2022-01-07)Natural disasters have always plagued human life. Due to the global warming caused by frequent occurrence of floods, it has brought immeasurable impacts on politics, economy and human life. The relevant technology and development of post-disaster reconstruction and the physical and psychological humanitarian assistance to the disaster-affected population have been paid more and more attention by the governments and organizations of various countries. At present, with the development of science and technology, mass customisation has been widely used in the construction market. However, there is insufficient theoretical or practical research on post-flood mass customized reconstruction based on the needs and demands of the affected population and buildings. Therefore, this paper will focus on Australia's flood issues and to clarify the lack of “customisability” of today’s post-flood shelter to accommodate human needs and demands for health, well-being, inclusiveness and affordability and stress the mass customisation and personalisation potentials to the improvement. Furthermore, this paper will explore a research framework by introducing human-centered mass customization to post-flood housing design under the theoretical research of mass-customisation and occupants’ needs and demands. In detail, according to the study of post-flooding issues and current protecting shelter in Australia, a clear housing and occupants’ needs and demands could be quantified. Then, deducing a conceivable research framework to emphasize the relationship between human needs with theories of human-centered mass customisation and personalisation based on these advantages in post-disaster housing reconstruction.
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ItemIndoor Air Quality Vulnerability Mapping of Urban Dwellings in Bangladesh(ZEMCH Network, 2022-01-07)Unwanted summer, extreme heat waves and air pollution have created severe human health and well-being issues. For instance, in Bangladesh, these phenomena have been noticed, particularly between March to July. As opposed to the norm, the dwellings' indoor air quality (IAQ) tends to be unacceptable, resulting in a severe impact on human health. Current research identified that the number of heatstroke patients increases every year in the tropical region where the children and elderly are being affected severely. Besides the IAQ issue, local housing is responsible for the relatively high energy use through space cooling in the tropical region for ensuring indoor thermal comfort and air quality. IAQ enhancement in line with energy efficiency measures through passive design strategies is becoming a significant challenge in the housing sector. Thus, this study investigates the IAQ-related issues around typical urban apartment dwellings in Bangladesh's major cities as case studies. The transient data to monitor the levels of TVOC (mg/m3), PM2.5 (μg/m3), PM10 (μg/m3), HCHO (mg/m3), air temperature (oC) as well as relative humidity (%) were collected using environmental data loggers. At the same time, a questionnaire survey related to occupants' socio-demographic profile, health and well-being was also conducted to grasp their living conditions. Finally, in line with the data analysis, a parametric simulation was conducted to develop a correlational vulnerability mapping between the collated IAQ results and the occupants' health and well-being circumstances.
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ItemPhysical and perceptual gap in indoor environmental quality: a mixed method study of space and users at an aged care facility in Victoria(Taylor & Francis, 2019-05-11)Nearly a quarter of a million of Australia's ageing population live in residential aged care facilities. Given the growing ageing population in Australia, it is important to understand the indoor environmental quality (IEQ) of these settings in consideration of not only measurable IEQ data but also senior occupants’ perceived comfort for their health and wellbeing. In this research, a residential aged care facility was selected in Victoria, Australia, as a case study to examine these relationships across different seasons. IEQ monitoring devices were deployed for continuous and instantaneous data collection on site. Questionnaires and personal interviews were also conducted across three user groups (residents, staff and visitors) to establish an understanding of the users’ perceptions. This study found the existence of a gap between measurable and perceptual IEQ according to the building configuration and occupancy as well as the user lifestyle and activity.
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ItemReview of the existing energy policies and challenges of energy consumption to achieve a sustainable behavioural change among Iranian households(Smart Villages Lab (SVL), The University of Melbourne, 2021)The growing number of household subscribers have resulted in high energy demands leading to wrong energy consumption patterns in Iran. As a result, power supply has failed to fully meet energy demands in housing sector, causing unplanned recurring blackouts. Although government has endeavoured to propose supply-side initiatives for energy conservation, achieving energy efficiency required further investigations in terms of demand-side to include households’ energy consumption behaviour. Various interventions and energy use models were proposed to analyse demand-side approaches to change households’ energy related behaviour, however, the incidental nature of behaviour has caused unsustainable change over a longer period of time. This issue necessitates more value-based strategies aiming to reduce peak load time’s electricity consumption to achieve a more sustainable behaviour change. This entails new perspective in intervention strategies rather than punishments or monetary or environment-related motivations. The notion of changing lifestyles may impact wrong energy consumption patterns, which can be related to daily habitual life routines. Therefore, consumption may not solely address households’ basic needs, but includes perceived values. This research will emphasise the need to develop strategies based on households' values and beliefs in terms of their well-being to be nudged towards more energy saving activities. It aims to focus on the important role of households’ values on choosing their daily life activities to be used as an effective reward for a more energy efficient consumption pattern. This research suggests well-being related activities to sustain the change in households’ energy consumption habits as well as achieving energy efficiency as a reward