Yazar "Köse, Özkan" için listeleme
-
Bir gaz türbininin egzoz gazı ısısı kullanılarak sistemin genel verimliliğini artırmak için yeni nesil atık ısı geri kazanımı ve güç sistemlerinin tasarımı, optimizasyonu ve ekserji analizi
Köse, Özkan (İskenderun Teknik Üniversitesi / Lisansüstü Eğitim Enstitüsü / Makine Mühendisliği Ana Bilim Dalı, 2022)Bu çalışmada ilk olarak 500 ºC’lik bir atık ısıya sahip doğal gaz destekli gaz türbini tabanlı kojenerasyon sistemi bir yıl boyunca aylık olarak gerçek sistem parametreleri kaydedilmiş ve deneysel verilerle teorik ... -
Determination of heat transfer coefficient and electromagnetic directional analysis of pomegranate seed
Üstün, İsmail; Koç, Yıldız; Yağlı, Hüseyin; Köse, Özkan; Başar, Mustafa Tunahan; Karakuş, Cuma; Akgöl, Oğuzhan; Koç, Ali (International Advanced Researches and Engineering Journal, 2019)As Turkey uses about 25.7% of energy consumption in residential area and doing this with natural gas imported from the abroad, production of efficient insolation materials is important to decrease energy dependence and ... -
Eksenel gaz türbinlerinde kanat parametrelerinin incelenmesi
Köse, Özkan (İskenderun Teknik Üniversitesi / Mühendislik ve Fen Bilimleri Enstitüsü / Makine Mühendisliği Anabilim Dalı, 2018)Günümüzde enerji ihtiyacının artmasından dolayı iyileştirme ve verimlilik çalışmalarına büyük önem verilmektedir. Ülkemizin enerji dönüşüm araçlarına bağlılığı ekonomimize ve refah düzeyimize ağır bir darbe vurmaktadır. ... -
Energy, exergy, economy and environmental (4E) analysis and optimization of single, dual and triple configurations of the power systems: Rankine Cycle/Kalina Cycle, driven by a gas turbine
Köse, Özkan; Koç, Yıldız; Yağlı, Hüseyin (Elsevier, 2021)Improving the overall efficiency of a present power system has significant importance as much as developing renewable energy systems. Because, there are many constructed power systems, which damages the environment by ... -
Exergy analysis of a natural gas fuelled gas turbine based cogeneration cycle
Koç, Yıldız; Köse, Özkan; Yağlı, Hüseyin (Inderscience Enterprises Ltd, 2019)In this paper, the monthly-based annual performance of a natural gas fuelled gas turbine-based cogeneration cycle was analysed. The performance analysis of the system was investigated in three steps. First, the real system ... -
Experimental investigation of thermal coefficient of the graphene used concrete
Köse, Özkan; Koç, Yıldız; Yağlı, Hüseyin; Üstün, İsmail; Kasap, Furkan; Öztürk, Nurhan Adil; Koç, Ali (International Advanced Researches and Engineering Journal, 2019)Today, fossil fuels are used primarily in energy production throughout the world. However, the ever-diminishing energy production and developing technology has encouraged energy recovery, saving or different topics. Grafen ... -
Experimental study of butane adsorption on coconut based activated carbon for different gas concentrations, temperatures and relative humidities
Görgülü, Adnan; Yağlı, Hüseyin; Koç, Yıldız; Koç, Ali; Öztürk, Nurhan Adil; Köse, Özkan (Taylor & Francis Ltd, 2020)In this paper, the adsorption behaviour of activated carbon was investigated experimentally for changing butane concentration, temperature and relative humidity. Throughout the study, the coconut-based activated carbon was ... -
Is Kalina cycle or organic Rankine cycle for industrial waste heat recovery applications? A detailed performance, economic and environment based comprehensive analysis
Köse, Özkan; Koç, Yıldız; Yağlı, Hüseyin (Elsevier, 2022)Contrary to the increase in energy demand throughout the world, fossil fuels, which are the main energy source, is now more difficult to reach because of the pandemic, transport or bilateral relations, etc. These obstacles ... -
Numerical Examination of A Solar Chimney Power Plant Designed for the Iskenderun Region
Önal, Mustafa; Koç, Ali; Köse, Özkan; Koç, Yıldız; Yağlı, Hüseyin (Konya Teknik Üniversitesi, 2022)Today, energy is accepted as the most indicator of economic development. However, the use of fossil fuels as energy sources is caused the depletion of the ozone layer, global warming and climate change. Therefore, using ... -
Optimisation of simple and regenerative organic Rankine cycles using jacket water of an internal combustion engine fuelled with biogas produced from agricultural waste
Yağlı, Hüseyin; Koç, Yıldız; Köse, Özkan; Koç, Ali; Yumrutaş, Recep (Elsevier, 2021)Internal combustion engines have a very important place in biogas production facilities to convert biogas energy to electricity. Unfortunately, although intense studies on improving internal combustion engine efficiencies ... -
Performance improvement of the bottoming steam Rankine cycle (SRC) and organic Rankine cycle (ORC) systems for a triple combined system using gas turbine (GT) as topping cycle
Köse, Özkan; Koç, Yıldız; Yağlı, Hüseyin (Elsevier, 2020)In the present study, performance improvement of SRC and ORC systems used as a bottoming system in a GT based triple combined system was evaluated for varying turbine inlet temperature and pressure. In the first step, SRC ... -
Which power cycle is the best fit for parabolic trough solar collectors? A comparative and comprehensive case study for six sub-configurations of the three main cycles
Ata, Sadık; Köse, Özkan; Tutumlu, Hakan; Yağlı, Hüseyin; Koç, Yıldız; Koç, Ali (Elsevier, 2023)In this study, the integration of a Parabolic Trough Collector with different power cycles was investigated on an annual basis in terms of Energy, Exergy, Economics and Environmental under different meteorological conditions. ...
