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Gaziantep Bölgesi İçin Güneş Enerjisinden Elektrik Üretiminde Kurulacak Panellerin Optimum Eğim Açılarının Belirlenmesi
Yağlı, Hüseyin; Koç, Yıldız (Avrupa Bilim ve Teknoloji Dergisi, 2020)Dünyada ilerleyen teknolojiye paralel olarak enerjiye duyulan ihtiyaçta giderek artmaktadır. Güneş enerjisi, yenilenebilir olması ve çevreyi tehdit eden unsurları minimum seviyelere çekmesi bakımından enerji üretiminde ... -
Haddehane tav fırınında ısı kayıpları ve enerji analizi
Yıldırım, Adem (İskenderun Teknik Üniversitesi / Mühendislik ve Fen Bilimleri Enstitüsü / Makine Mühendisliği Anabilim Dalı, 2018)Günümüzde enerji tüketimi her ne kadar gelişmişliğin bir ölçüsü olarak kabul edilmeye başlanmış ise de sınırlı enerji kaynakları ve çevresel nedenlerden ötürü ülkeler enerji tüketimlerini hızla kontrol altına almaya ... -
Hayvan Gübresinden Biyogaz Üretim Potansiyelinin Belirlenmesi: Adana İli Örnek Hesaplama
Yağlı, Hüseyin; Koç, Yıldız (Çukurova Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi, 2019)Bu çalışmada, Adana İli için biyogaz üretimi ve üretilen bu biyogazın kullanımı ile elde edilebilecek güç miktarının tespiti yapılmıştır. Çalışma kapsamında öncelikle Adana ilinde bulunan tüm hayvan sayıları (kanatlı, büyük ... -
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 ... -
Isı-güç kombine sistemlerinde kullanılan kalina çevriminin enerji ve ekserji analizi
Koç, Yıldız; Yağlı, Hüseyin (Politeknik Dergisi, 2020)Küresel ısınmanın giderek arttığı ve hava kirliliğinin insan sağlığını hissedilebilir şekilde tehdit ettiği bugünlerde, enerjiye olan ihtiyaç da giderek artmaktadır. Bu nedenle sadece insanların enerji ihtiyacını karşılamak ... -
Mevcut bir buhar üretim sistemine atık ısı geri kazanımı için entegre edilen kalina çevriminin farklı çalışma koşullarında optimizasyonu & termodinamik, çevresel ve ekonomik analizi
Aksar, Merve (İskenderun Teknik Üniversitesi / Lisansüstü Eğitim Enstitüsü / Makine Mühendisliği Ana Bilim Dalı, 2022)Gün geçtikçe geliĢen teknoloji ile birlikte enerji ihtiyacı artmaktadır. Artan enerji ihtiyacı, yeni kaynaklar bulma ve mevcut sistemlerin verimliliğini arttıracak yeni çevrim teknolojilerini tasarlama ihtiyacını da ... -
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 and exergy analysis of an organic Rankine cycle (ORC) used as a bottoming cycle in a cogeneration system producing steam and power
Yağlı, Hüseyin; Koç, Yıldız; Kalay, Hüseyin (Elsevier, 2021)In this study, the advantages of the ORC were used to improve overall performance of a simple gas turbine (GT) located in a wood production facility. In addition to ORC, a steam boiler (SB) is also coupled with the GT to ... -
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 ... -
Parametric Optimisation of an ORC in a Wood Chipboard Production Facility to Recover Waste Heat Produced from the Drying and Steam Production Process
Koç, Yıldız (Mdpi, 2019)The wastes in wood industries (waste chips) are commonly used as fuel for burners to produce steam and to use the remaining heat in the drying process. However, in spite of that, there is a considerable amount of heat ... -
Parametric optimization and exergetic analysis comparison of subcritical and supercritical organic Rankine cycle (ORC) for biogas fuelled combined heat and power (CHP) engine exhaust gas waste heat
Yağlı, Hüseyin; Koç, Yıldız; Koç, Ali; Görgülü, Adnan; Tandıroğlu, Ahmet (Elsevier, 2016)In this paper, a subcritical and supercritical organic Rankine cycle (ORC) are designed to recover exhaust gas waste heat of biogas fuelled combined heat and power (CHP) engine. The CHP engine is located in Belgium and ... -
Performance analysis of a novel organic fluid filled regenerative heat exchanger used heat recovery ventilation (OHeX-HRV) system
Koç, Ali; Yağlı, Hüseyin; Bilgiç, Hasan Hüseyin; Koç, Yıldız; Özdemir, Ayşenur (Elsevier, 2020)In this study, a novel organic fluid-filled regenerative heat exchanger used heat recovery ventilation (OHeX-HRV) system was designed. Five organic-based fluids (R11, R123, R245fa, n-Pentane and Isopentane) were selected ... -
Performance and environmental improvements of a geothermal power plant by using structural and operational modification techniques
Baydar, Ceyhun; Yağlı, Hüseyin; Koç, Yıldız; Koç, Ali; Artaş, Sultan Büşra (Institution of Chemical Engineers, 2023)Performance data from a geothermal power plant that uses a dry-type working fluid (n-Pentane) was evaluated. The experimental working conditions of the geothermal power plant were recorded. By using these recorded data the ... -
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 ... -
Pinch point determination and Multi-Objective optimization for working parameters of an ORC by using numerical analyses optimization method
Kocaman, Emrullah; Karakuş, Cuma; Yağlı, Hüseyin; Koç, Yıldız; Yumrutaş, Recep; Koç, Ali (Elsevier, 2022)In parallel with Kyoto, Paris and the green production agreements, the nowadays crucial subject is minimising energy consumption, increasing renewable energy usage and recovering waste heat. When it comes to waste heat, ... -
Thermodynamic analysis of solid waste and energy consumption to reduce the effects of an electric arc furnace on the environment
Koç, Yıldız; Yağlı, Hüseyin; Özdeş, Enver Onur; Baltacıoğlu, Ertuğrul; Koç, Ali (Inderscience Enterprises Ltd., 2019)In this study, thermodynamic analysis of an EAF was made to reduce solid wastes and energy consumptions. Then, the slag formation, quicklime consumption and daily energy consumption of the EAF were optimised for different ... -
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. ... -
Why Kalina (Ammonia-Water) cycle rather than steam Rankine cycle and pure ammonia cycle: A comparative and comprehensive case study for a cogeneration system
Aksar, Merve; Yağlı, Hüseyin; Koç, Yıldız; Koç, Ali; Sohani, Ali; Yumrutaş, Recep (Elsevier, 2022)There are many studies on the Kalina cycle and steam Rankine cycles. However, there are not enough comparative and descriptive studies on why the Kalina cycle or steam Rankine cycle should be selected. In addition to that, ...