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Public City, Private Interest: Facing the Conflict of Power and Ownership in the Field of Planning Practices in Izmir
(Izmir Institute of Technology, 2014) Erkan, Gökhan Hüseyin; Avar, Adile
This thesis investigates exertion of power in planning processes with special attention to private ownership of urban land and conflict resulting from its negative impacts on urban commons. Research questions and confronts procedural claims of communicative planning ideology by focusing on actual planning practices. Communicative planning ideology is criticized for its universal, idealist and context free prescriptions. Research argues that actions in planning process involve both formal and conventional communicative mechanisms as well as informal, insidious and dubious practices. When private interests based on real estate ownership are concerned actors, their motives, and actions change significantly. Case study focuses on the case of a vacant urban land in the Central Business District of city of İzmir which was once a public property. What makes this land plot unique and interesting to study is that although several plan modifications, two protocols, and two competitions were put into implementation to transform the area into a commercial setting, all these attempts have ended in a spectacular failure. The main narrative of this thesis tells about this process and its failure by focusing on the planning processes. While doing this thesis also provides a criticism of planning theories. It is found that rather than theoretically prescribed forms of communication, strategic and tactical mechanisms of power relations dominate planning processes. It is believed that powerful groups realize their ends by trying all sorts of wiles. This research also aims at identifying these wiles. Findings revealed that there are other actions so influential on both substantive and procedural dimensions of city planning, but they are not acknowledged or simply downplayed by theory. Without a coherent understanding of actual planning practices, establishing and maintaining an effective planning system will have certain drawbacks. This research aims at contributing to efforts for improving spatial planning system in Turkey which is being distorted by rapid privatization and normalized plan modifications by exploring actual planning practices.
Application of Exergy Analysis Method To Energy Efficient Building Block Design
(Izmir Institute of Technology, 2014) Mert, Yelda; Saygın, Nicel; Saygın, Nicel
This dissertation introduces the exergy analysis method into urban planning field in order to find out the amount of energy that can be conserved in a building block when energy efficient design is applied. Two hypotheses are developed here: 1. Exergy analysis is a suitable tool for the built environment, and 2. Energy efficient design parameters provide energy saving in the built environment. A case study approach is undertaken in order to test the hypotheses stated above. To do this, first, the energy efficient design parameters have been derived from the literature and design alternatives are developed accordingly; second, data has been gathered from the case area for the exergy calculations; third, exergy analysis of existing building blocks and proposed design alternatives are carried out, and finally, the amount of decrease in the exergy loss due to energy efficient design is found out. The findings in this study show that the exergy efficiency of the existing building blocks is nearly 2 %, while the proposed design alternatives are nearly 10-11 %. The overall exergy loads of the alternative plans are found as 166.3W, 225.1W, 142.5W, 137.8W and 184.8W respectively for winter and 105.4W, 140.0W, 89.9W, 86.3W and 125.3W respectively for summer on a housing unit basis. These results are much better when compared to the existing situation per housing unit which is 1079W (winter) and 1173W (summer). The best alternative energy efficient planning and design brings 1631 W (winter) and 2810W (summer) of exergy saving that corresponds to 799 TL/year and 978 kg/year reduction in CO2 greenhouse gases emission per housing unit. This data shows that the expected results and are in harmony with the literature. As a result, the suitability and importance of the exergy analysis on the built environment is proved by revealing the energy conservation and sustainable use of energy through using energy efficient design parameters.

Phd Degree / Doktora

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