Yazar "Koç, Yıldız" için listeleme
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Activated carbon adsorption behaviour of toluene at various temperatures and relative humidity
Görgülü, Adnan; Yağlı, Hüseyin; Koç, Yıldız; Koç, Ali; Baltacıoğlu, Ertuğrul (Technical University of Wroclaw, 2019)Filtration plays a major role in managing the rapid increase of environmental pollution and deterioration of atmospheric air quality. One of the most damaging noxious gases in the atmosphere is toluene, which is a common ... -
Analysing the performance, fuel cost and emission parameters of the 50 MW simple and recuperative gas turbine cycles using natural gas and hydrogen as fuel
Koç, Yıldız; Yağlı, Hüseyin; Görgülü, Adnan; Koç, Ali (Elsevier, 2020)In the present study, firstly, the power production, thermal and exergy efficiencies were calculated for the simple and recuperative gas turbine cycles at constant power production (50 MW) and turbine outlet temperature ... -
Analysis of a Kalina cycle integrated with a reheat furnace
Aslan, Sevgi; Karakuş, Cuma; Koç, Yıldız; Yağlı, Hüseyin; Koç, Ali (Inderscience Publishers, 2022)In the present paper, parametric optimisation, energy and exergy analyses of KC were performed together with economic and environmental analyses. After parametric, energy and exergy analyses of KC, maximum net power ... -
Antakya Körfezi Deniz Üstü Rüzgar Enerjisi Potansiyel Araştırılması
Öksel, Cem; Koç, Ali; Koç, Yıldız; Yağlı, Hüseyin (2016)Bu çalışmada, deniz üstü rüzgâr enerjisindeki temel faktörler incelenmiş ve Dünya'daki güncel durum belirtilmiştir. Türkiye'de hali hazırda bir deniz üstü rüzgâr enerjisi santrali bulunmamaktadır ve kurulması planlanan bir ... -
Bir Ameliyathanenin İklimlendirilmesi Süresince Hava Akımının Modellenmesi
Polat, Yasin; Yağlı, Hüseyin; Koç, Yıldız (Avrupa Bilim ve Teknoloji Dergisi, 2019)Günümüz ameliyathanelerinin iklimlendirilmesinde kullanılan klima sistemleriyle; sıcaklık ve nem kontrolünün yapılmasının istenmesinin yanı sıra havada taşınabilen mikroorganizma ve toz miktarının, atık anestezi gazı ve ... -
Bir Ameliyathanenin İklimlendirilmesinde Üfleme Hızının Sayısal Analizi ve Modellenmesi
Polat, Yasin; Yağlı, Hüseyin; Koç, Yıldız (Avrupa Bilim ve Teknoloji Dergisi, 2019)Ameliyathane ortamlarına giren ve çıkan personel gibi kaçınılamaz mikroorganizma kaynaklarından gelen zararlıların dezenfektanlar ile verdiği zararların minimize edilmesi mümkün iken mikroorganizmaları zararlı seviyenin ... -
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 ... -
Comparison of toluene and cyclohexane as a working fluid of an organic Rankine cycle used for reheat furnace waste heat recovery
Yağlı, Hüseyin; Koç, Ali; Karakuş, Cuma; Koç, Yıldız (Inderscience Publishers, 2016)An organic Rankine cycle (ORC) is set up to recover waste heat from the flue gas of a reheat furnace. The calculations show that, under the same conditions, the gross power production, energy and exergy efficiencies are ... -
Darbeli Laser-Malzeme Etkileşimi Sırasında Malzemedeki Sıcaklık Dağılımının Yarı Kinetik Teori ile Analizi
Koç, Yıldız; Baltacıoğlu, Ertuğrul (Erzincan Üniversitesi Fen Bilimleri Enstitüsü, 2019)Günümüzde teknolojinin gelişimi ile imalat sanayisinde laserin kullanımı, düşük maliyet ve yüksek hassasiyetten dolayı önem kazanmaktadır. Laser-metal etkileşimi sırasında malzemeye olan ısı transferi ve sıcaklık dağılımı ... -
Deep neural network approach to estimation of power production for an organic Rankine cycle system
Mert, İlker; Bilgiç, Hasan Hüseyin; Yağlı, Hüseyin; Koç, Yıldız (Springer, 2020)In this study, the possibility of using Stepwise multilinear regression and deep learning models to estimate the behaviour of the organic Rankine cycle (ORC) has been investigated. It was found that a number of parameters ... -
Design and 4E analyses of a novel concentrated solar power sourced multigeneration system using thermochemical cycle, steam Rankine cycle, heat pump and multistage flash distillation as a bottoming cycles
Özdemir, Ayşenur; Koç, Yıldız; Yağlı, Hüseyin (Inderscience Publishers, 2023)This paper focuses on a novel solar-based multigeneration system designed for the city of Iskenderun in Hatay. The system consists of five subsystems to produce hydrogen, freshwater, electricity and domestic hot water: ... -
Designing and exergetic analysis of a solar power tower system for Iskenderun region
Yağlı, Hüseyin; Karakuş, Cuma; Koç, Yıldız; Çevik, Mehmet; Uğurlu, İrem; Koç, Ali (Inderscience Publishers, 2019)In this paper, a steam cycle assisted solar tower power system is designed and parametrically optimised for Iskenderun region by considering the weather conditions. After the optimisation, exergy-based analysis of the ... -
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 ... -
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 and performance improvement of a subcritical/supercritical organic Rankine cycle (ORC) for exhaust gas waste heat recovery in a biogas fuelled combined heat and power (CHP) engine through the use of regeneration
Koç, Yıldız; Yağlı, Hüseyin; Koç, Ali (MDPI, 2019)In the present study, a subcritical and supercritical regenerative organic Rankine cycle (rORC) was designed. The designed rORCs assist a combined heat and power (CHP) engine, the fuel of which is biogas produced from ... -
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 detection of inadequacies and improvements for a geothermal power plant using single shaft double turbine binary Organic Rankine cycle as power system
Baydar, Ceyhun; Koç, Yıldız; Yağlı, Hüseyin; Koç, Ali; Depci̇, Tolga; Aygün, Mustafa Kemal (Elsevier, 2023)The present paper dealt with the performance analyses and improvement probabilities detection for the present geothermal power plant. In addition, the present study aimed to present an analysis methodology for manufacturers ... -
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 ... -
First and second law-based thermal optimisation of the Kalina cycle integrated into an existing burner-based cogeneration system using waste chips as fuel
Koç, Yıldız; Aksar, Merve; Yağlı, Hüseyin (Inderscience Publishers, 2020)Due to increasing energy demand and decreasing fossil resources, the optimisation of existing systems has a critical role to minimise energy consumption and diminish the adverse effect of power systems on the environment. ...
