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Browsing İç Mimarlık Bölümü by Journal "A/Z ITU Journal of the Faculty of Architecture"
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Article Citation Count: Avcı, Ayşe Nihan; Memikoğlu, İpek (2021). "Evaluating effectiveness of led and oled lights on user visual comfort and reading performance", A/Z ITU Journal of the Faculty of Architecture, Vol. 18, No. 2, pp. 397-411.Evaluating effectiveness of led and oled lights on user visual comfort and reading performance(2021) Avcı, Ayşe Nihan; Memikoğlu, İpek; 237970In interior architecture, one of the main purposes of light is to create comfortable and functional spaces according to user needs. Light provides individuals to understand, get information for visual tasks and it affects how they experience and behave in the environment. Desired illuminance levels are required for visual comfort and task efficiency. This study analyzes the effects of different illuminance levels of light emitting diode (LED) and organic light emitting diodie (OLED) lights on user visual comfort and reading performance. An experiment was con-ducted with eighty interior architecture students at Çankaya University. Six lighting scenarios were created with LED and OLED lighting sources that assessed six visual comfort criteria. The experimental setting consisted of three different illuminance levels, as 200, 500 and 800 lx. The results revealed that different illuminance levels were found more comfortable for different visual comfort criteria, but the illuminance level of 500 lx was visually more comfortable than the other illuminance levels. The illuminance level of LED 200 lx was visually more comfortable than LED 800 lx. OLED light was found visually more comfortable than LED light. In addition, participants read slower under the illuminance level of LED 200 lx. It was concluded that illuminance levels of light effect user’s visual comfort and reading performance. This study provides a basis to recommend the preferred illuminance level for LED and OLED light during a reading performance. © 2021, Istanbul Teknik Universitesi, Faculty of Architecture. All rights reserved.Article Citation Count: Süzer, Özge (2021). "LEED certified mixed-use residential buildings in istanbul: A study on category-based performances", A/Z ITU Journal of the Faculty of Architecture, Vol. 18, No. 1, pp. 139-152.LEED certified mixed-use residential buildings in istanbul: A study on category-based performances(2021) Süzer, Özge; 2741The building industry has a significant negative effect on climate change and increases other environmental problems at the global scale. LEED, which is one of the most globally used environmental assessment tool, provides the certification of projects according to the evaluation criteria of green buildings under certain categories. On the other hand, an emerging form of architecture, the mixed-use residential high-rise building (MRB), appears in larger numbers especially in the metropolitans of developing countries, such as Istanbul. This building typology displays a positive approach in the context of sustainability. Since they are high-budget projects addressing to high-income groups, it is inherently expected that they have a green approach as a social responsibility. The objective of this study is to analyze LEED certified MRBs in Istanbul by focusing on their prioritization of evaluation categories. LEED’s database revealed a total of twenty-one certified projects under the New Constructions (v.3) scheme. Based on the gained points by these projects, mean rank values of the evaluation categories were calculated, which indicated the priorities given by this sample group. Furthermore, the conducted Kruskal-Wallis test showed there was highly significant difference among the rankings of the categories for these projects. Based on these rank order tests, obtained category priority order of MRBs was compared to the one implied by LEED’s assigned category weights. It was found that Energy and Atmosphere category gained much lower attention than required. Taking the results of the study into account, certain conclusions were drawn for this building type in Istanbul. © 2021, Istanbul Teknik Universitesi, Faculty of Architecture. All rights reserved.