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Type: Theses
Title: Energy independent residential development for Dhaka City, Bangladesh
Author: Parveen, Rehnuma
Issue Date: 2017
School/Discipline: School of Architecture and Built Environment
Abstract: Dhaka, the capital of Bangladesh, has been predicted to be the 6th largest megacity in the world by 2030 with about 10 million additional people compared with the current population. This rapid urbanization is accompanied by a fast growing energy demand. On the contrary, the country is far behind in energy sufficiency thus the new developments are unlikely to be supported with adequate energy supply. Moreover, in the face of increasing greenhouse emission and resource depletion, traditional fossil fuel based energy is no longer an option. This research, therefore, is aimed at exploring the possibilities for energy independent residential developments in Dhaka in order to respond to these many challenges. The research has been conducted by adopting a multimethod approach, which include different quantitative research strategies and techniques supported with a limited qualitative approach. The final outcomes of this research are based on experiments conducted through building performance simulations; however, the simulations are grounded on rigorous monitored data, which included different urban, building, microclimatic and household parameters that influence household energy consumption. To investigate the urban and building contexts, 70 typical apartment buildings and 93 apartment unit plans were studied. Interviews have also been conducted with representatives from relevant professionals: real estate developers, practicing architects and academicians to understand the background to apartment developments. Microclimatic conditions were investigated including by using air temperature data loggers. Household contexts were investigated through a questionnaire survey of around 400 residents. The information obtained from the existing situations studied were then analysed and used for the simulations to test various scenarios in order to derive the final outcomes of this research. The research has identified several existing urban, building and household practices, alterations of which will result in substantial household energy consumption reduction. Best practice modifications of present ways are proposed and the findings indicate that applying these best practices can reduce the current energy consumption by at least thirty-nine percent. It is possible for residential developments in Dhaka to achieve energy independence, after reducing the consumption, by the installation of roof mounted solar photovoltaic systems and battery storage for each household; however, shifting to energy efficient appliances is vital in achieving this. Furthermore, the results indicated that not only the future buildings but also the existing buildings with minor retrofitting and utilizing energy efficient appliances and equipment can achieve energy independence. The results of this research are expected to have an important impact on the future residential developments of Dhaka as the energy consequences of the current urban and building practices are now known. This will help the professionals to take more informed decisions towards building energy efficient developments in Dhaka. The results also provide a basis for the policy makers to update the existing building construction regulations as well as to develop energy policies to promote energy independent developments. Although focusing on Dhaka, results from the research will also be useful for other cities in Bangladesh and elsewhere in the world facing similar socio-economic challenges.
Advisor: Soebarto, Veronica Irawati
Williamson, Terence John
Ness, David
Dissertation Note: Thesis (Ph.D.) -- University of Adelaide, School of Architecture and Built Environment, 2017.
Keywords: energy efficiency
energy independence
residential development
Dhaka city
Provenance: This electronic version is made publicly available by the University of Adelaide in accordance with its open access policy for student theses. Copyright in this thesis remains with the author. This thesis may incorporate third party material which has been used by the author pursuant to Fair Dealing exceptions. If you are the owner of any included third party copyright material you wish to be removed from this electronic version, please complete the take down form located at:
DOI: 10.4225/55/59a6590817209
Appears in Collections:Research Theses

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