Master Degree / Yüksek Lisans Tezleri

Permanent URI for this collectionhttps://hdl.handle.net/11147/3008

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Access Right: Open AccessSubject: search.filters.subject.Sustainability

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  • Master Thesis
    Hybrid Renewable Energy Systems Design for Green Campus-Iztech
    (01. Izmir Institute of Technology, 2022) Çağlar, Başar; Çağlar, Başar; Açıkkalp, Emin; 03.06. Department of Energy Systems Engineering; 03. Faculty of Engineering; 01. Izmir Institute of Technology
    This study focuses on evaluating of standalone PV and Wind systems integrated with energy storage technologies to meet the electricity needs of the Izmir Institute of Technology campus in Izmir. University campuses with their high energy demand are one of the most important application areas for renewable energy systems and it’s critical to determine the types of renewable energy technologies, their size, and techno-economic feasibility for possible future implementation. Solar and wind energy were chosen as renewable energy sources based on the location and renewable energy potential of the IZTECH Campus. Two different energy storage systems are proposed to prevent any loss of power supply in standalone mode: (i) Lead-acid battery and (ii) Electrolyzer, hydrogen storage tank, and hydrogen-powered generator. Models were developed using the dynamic library-based structure of the TRNSYS program. The hourly electrical load was generated based on monthly data taken from the electricity supplier and the power output of PV modules was calculated based on the fixed tilt angle based on real meteorological data for the campus location. The electricity demand and generation were analyzed hourly for one calendar year. The number of PV modules was determined to meet the annual electricity demand of the campus while the capacity and number of energy storage modules were determined based on the maximum accumulative energy deficiency in a year. The round-trip efficiencies and the depth of discharge for the battery and the hydrogen storage efficiency for the hydrogen-based storage option were considered in the analysis. Parameters were calculated for both systems and simulation analyzes were evaluated. An economic cost analysis was performed for each system. In addition, suggestions are made for possible system improvements.
  • Master Thesis
    Participatory Planning Support System for Assessment of Spatial Conflicts in Izmir Peninsula
    (Izmir Institute of Technology, 2014) Yazdani, Hamidreza; Saygin, Mustafa Ömür; 01. Izmir Institute of Technology
    Development strategies and their possible impacts over time as a consequences of proposed spatial development are one of the main concerns of planners in planning process. Understanding the impact of these changes on environment and balanced management to distribute resources are essential indicators for planning approach aiming to achieve the sustainable development. A precise, accurate and up-to-date data in addition to reliable spatial analysis are basic requirements of sustainable decision making. A Planning support system (PSS) is mainly based on collecting, monitoring, analyzing data and evaluating the impacts of alternative planning scenarios using Geographical Information Systems (GIS) for contributing spatial decisions. This study offers an approach to evaluate possible conflicts between development strategies in an environmentally sensitive areas. The approach is based on a PSS which integrated collaboratively weighted scenarios and natural assets. The study identify a framework for Co-production of data, evaluation of model outcomes and ranking natural and regional assets in cooperation of interest groups by utilizing Delphi survey in a conflict model of Esri ArcGIS. This model reveals impact level of development strategies on environmentally sensitive area and geographically map the conflicts of these strategies on each other and nature. The outcomes of model assist decision makers to produce alternative approaches for sensitive areas where conflicts of different polices are inevitable. Additionally the model utilize public participation in both gathering data and evaluating spatial analysis. This lead to a more adoptable planning practice where planners reach to public knowledge about region and guaranty guaranty consensuses in spatial decision making.