TR Dizin İndeksli Yayınlar / TR Dizin Indexed Publications Collection
Permanent URI for this collectionhttps://hdl.handle.net/11147/7149
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Article Historic Collective Shelter as Heritage: the Cases in Hurşidiye, Kurtuluş and Sakarya Neighborhoods in Konak, Izmir(İstanbul Üniversitesi, 2021) Hamamcıoğlu Turan, Mine; Akpınar, Figen; Toköz, Özge DenizHistorical collective shelters, yahuthanes or cortejos, are an alternative form of housing that were developed to provide secure sheltering of the groups who were disadvantaged in terms of economic, social, and cultural aspects in the Ottoman city. They have played a significant role in history as a building type that made possible cohabitation of groups, with moral and material problems, and struggling to maintain their integrity despite hardship. This study deals with a group of historical collective shelters in the traditional commercial center of Izmir dating mainly to the late 19th and early 20th centuries. The objective is to understand the historic evolution of collective shelters (yahuthane, cortejo) in Hursidiye, Kurtulus and Sakarya neighborhoods of Konak district in Izmir, to define their cultural values, to analyze their social and spatial development, to present their physical characteristics and evaluate their preservation problems. Eleven collective shelters were documented in the studied site, which is a portion of the traditional commercial center of Izmir (Kemeralti). The site comprehends the ruins of the Roman Agora and the remains of the public buildings dating to the pre-modernization period of the Ottoman Empire as well as the late Ottoman urban layout. As a method, the preliminary studies were reviewed, the land registers were surveyed, the present base map together with the historical maps were overlapped and the case studies were conducted using conventional techniques of architectural and urban conservation. The study has documented the interaction of Muslim and Jewish communities and how the collective living habits of these ethnic groups living in collective shelters differed from standard residential life at the end of the 19th and beginning of the 20th centuries in the traditional commercial center of Izmir. Though collective shelters in the historic center of Izmir have been studied in the literature, their specific location on the map was not available. This study has provided locations of the shelters and evaluated the architectural characteristics of their remains. The traces and remains of the historic collective shelters should be preserved as elements contributing to the integrity of the multi layered city.Article Citation - WoS: 4Citation - Scopus: 4Recent Nation Gardens and Historical Development of Public Green Spaces in Turkey;(Istanbul University Press, 2020) Uzun,I.K.; Şenol,F.; Uzun, İpek Kaştaş; Şenol, FatmaFocusing on contemporary Turkey's "nation gardens" and the state and governmental policies to build them, this study investigated the development processes and design features of these public green spaces with respect to those from past eras of Turkey (extending to Ottoman and pre-Ottoman history) and the development of public green spaces as the state's symbolic and spatial tools. The study relied on secondary sources about public green spaces from past eras of Turkey and also on the review of online news about "nation gardens" initiated after President Erdoǧan's announcement in May 2018. Our findings suggested that public green spaces in Turkey have played an important role in displaying the state's power nationally and internationally as well as to transfer the state's ideologies to people and thus, to build new identities of 'citizens.' Interestingly, in sharing these intentions of past policies for public green spaces, the recent introduction of nation gardens differs from those in the 19th and 20th century. Without any emphasis on modernization goals in the western-style, recent official talks described nation gardens as a way to raise Turkey and the government's reputation both nationally and internationally, while also referring to past eras but with other characteristics as the source of "traditions" extending to today. © 2020 The authors.Article Toz Kömürlerin Zenginleştirilmesinde Yağ Aglomerasyonu Yöntemi ve Yenilikler(İstanbul Üniversitesi, 2010) Kılınç Aksay, Ece; Arslan, Vedat; Polat, HürriyetKömürün üretim teknolojisindeki gelişmeler, kömür üretimi sürecinde oluşan ince boyutlu (toz) kömürün miktarını arttırmaktadır. Bu tür toz kömürlerin zenginleştirilerek değerlendirilmesi, hem madencilik maliyetini azaltmakta, hem de önemli bir çevre problemini ortadan kaldırmaktadır. Ayrıca eneıjiye olan gereksinim, her geçen gün teknolojinin ilerlemesiyle doğru orantılı olarak artmaktadır. Dolayısıyla, çevre problemi yaratan sınırlı enerji kaynaklarının, çevre dostu yöntemlerle değerlendirilmesi gerekmektedir. Yağ aglomerasyonu yöntemi, bu yöntemlerden biridir. Özellikle çok ince boyutlu kömür tanelerinin kazanılmasında flotasyona alternatif bir yöntemdir. Bu yöntem, yüksek devirli karıştırıcılar kullanılarak, kömür tanelerinin yağ tarafından ıslatılması ve birbirlerine bağlanarak iri taneler haline getirilmesi prensibine dayanır. Yağın, kömür-su sistemine verilmeden önce, su içerisinde gerek mekanik karıştırma ile gerekse çeşitli yüzey aktif reaktiflerin kullanımı ile emülsiye edilmesi (dağıtılması) veya kömür yüzeyinin yine çeşitli yüzey aktif reaktiflerle hava/yağ sever özellik kazandırılması, yöntemin başarısını hem teknik hem de ekonomik yönden arttırmaktadır. Yağ aglomerasyonu yöntemindeki bu yenilikler, günümüzde linyit gibi düşük kaliteli kömürlerin bile, bu yöntem ile başarıyla zenginleştirilebilmesine olanak sağlamaktadır. Bu makalede, yağ aglomerasyonu yönteminin temel prensipleri, yöntemi etkileyen parametreler ve farklı tip kömürler için yöntemin uygulamasına yönelik araştırmalar detaylı olarak açıklanmış, yöntem ile ilgili yenilikler tartışılmıştır.Article Ethnobotanic Survey Of Işıklı (çarpın), Dağdancık And Tokdemir İn Gaziantep, Turkey(İstanbul Üniversitesi, 2009) Şığva, Hasan Özgür; Seçmen, ÖzcanAn ethnobotanical study was performed in Işıklı (Çarpın), Dağdancık and Tokdemir in Gaziantep, Turkey. Sixty plant species belonging to 29 families and 57 different genera were collected. According to information on traditional uses of these species; 48 are used for medicine, 19 species are used for food and drink, 9 species are used for fuel, 4 species are used for dye and 14 species are used for other purposes. For the 113 plant samples, 67 uses were related to medicine (%59), 19 uses were related to food and drink (%17), 9 uses were related to fuel (%8), 4 uses were related to dye (%4) and 14 uses did not fit in any of these categories (%12). For each plant species, family names, botanical names, local names, part(s) used, manner of use, usefulness, purpose of usage and number of informants are described.Article Citation - WoS: 1Citation - Scopus: 7The Adaptive Channel Estimation for Stbc-Ofdm Systems(İstanbul Üniversitesi, 2005) Özbek, Berna; Yılmaz, ReyatIn this paper, we propose adaptive channel estimation methods based on LMS and RLS for orthogonal STBC-OFDM systems with three transmit antennas. The performance of the proposed algorithms is obtained in the frequency selective channels using Hiperlan/2 characteristics.