• Comparative Economic Assessment of On-Grid Solar Power System Applications Having Limited Areas: A Case Study on a Shore Facility 

  Gülmez, Yiğit; Konur, Olgun; Yüksel, Onur; Korkmaz, Süleyman Aykut (Springer, 2023)

  The objective of this study is to assess the economic feasibility of installing high-efficiency solar panels in a yacht marina in the cesme district of Izmir, Turkiye. In this aim, the facility's energy demand from the ...

• Operational adaptation of ports with maritime autonomous surface ships 

  Kurt, İsmail; Aymelek, Murat (Elsevier, 2023)

  Preliminary research findings suggest that the successful integration of advanced autonomous technologies in cargo ships could provide safer shipping and provide economical benefits. However, the fact that ships can sail ...

• Investigation of the Effect of the Regenerative Organic Rankine Cycle System on Decarbonization for a Bulk Carrier 

  Gürgen, Samet; Altın, İsmail (Ordu Üniversitesi, 2022)

  Shipping has a very important share in world trade. However, it has an inevitable effect on global greenhouse gas emissions. Therefore, there is a great motivation for the reduction of fuel consumption and exhaust emissions. ...

• Fuzzy fault tree analysis for loss of ship steering ability 

  Gürgen, Samet; Yazır, Devran; Konur, Olgun (Elsevier, 2023)

  Marine accidents have devastating effects on human life, the environment, and the economy. This study investigated the root causes of accidents resulting from the loss of a ship steering ability using Fuzzy Fault Tree ...

• A comprehensive investigation into the performance of genetic algorithm for effective shipyard topological layout 

  Türk, Abdullah; Gürgen, Samet; Özkök, Murat; Altın, İsmail (SAGE Publications, 2022)

  Shipyards have large departments or facilities. It is essential to make an effective topological layout plan since the initial investment cost of these departments is high. Topological layout is an optimization problem and ...

• Optimising ship manoeuvring time during port approach using a decision support system: a case study in Turkey 

  Yalçın, Ender; Pehlivan, Enes Fatih; Çetin, Barış Anıl; Aymelek, Murat (Taylor and Francis Ltd., 2022)

  Any cost reductive initiative is significant to contribute to the overall viability and economic sustainability of the industry. Therefore, it is worthy to study time and cost efficiency of ship manoeuvring when approaching ...

• Novel decision-making strategy for working fluid selection in Organic Rankine Cycle: A case study for waste heat recovery of a marine diesel engine 

  Gürgen, Samet; Altın, İsmail (Elsevier, 2022)

  The Organic Rankine Cycle (ORC) is receiving increasing attention as a waste heat recovery system. However, it is still a major challenge to quickly and practically choose the appropriate one among dozens of working fluids, ...

• A comprehensive performance analysis of meta-heuristic optimization techniques for effective organic rankine cycle design 

  Gürgen, Samet; Kahraman, Hamdi Tolga; Aras, Sefa; Altın, İsmail (Elsevier, 2022)

  Optimizing the operating parameters is of great importance to improve Organic Rankine Cycle (ORC) system efficiency. Nowadays, meta-heuristic algorithms are widely used to obtain fast and effective solutions. However, it ...

• Risk ranking of maintenance activities in a two-stroke marine diesel engine via fuzzy AHP method 

  Ünver, Bedir; Altın, İsmail; Gürgen, Samet (Elsevier, 2021)

  Maintenance activities in ship machineries are of vital importance due to economical and operational requirements. Most of ships in commercial activities have two-stroke marine diesel engines (MDEs) in the propulsion ...

• Dizel Motorlarda Bütanol-Dizel Yakıt Karışımı Kullanılmasının Çevrimsel Farklara Etkisinin Araştırılması 

  Gürgen, Samet; Altın, İsmail (İskenderun Teknik Üniversitesi, 2020)

  Bu çalışmada dizel motorlarında bütanol-dizel yakıt karşımı kullanılmasının çevrimsel farklara etkisi incelenmiştir. Motor performansını ve egzoz emisyonlarını olumsuz yönde etkileyen çevrimsel farklılık, hem maksimum ...

• Thermodynamic Analysis and Multi-Objective Optimization of Solar Heat Engines 

  Üst, Yasin; Özsarı, İbrahim; Arslan, Feyyaz; Safa, Aykut (Springer, 2020)

  Detailed performance analysis for a thermal system using a generalized irreversible solar-driven heat engine model is performed. The heat engine (HE) model is formed by the first and the second laws of thermodynamics and ...

• A theoretical performance investigation of irreversible internal combustion engine named as Dual-Miller Cycle 

  Üst, Yasin; Özsarı, İbrahim; Arslan, Feyyaz; Safa, Aykut (Yildiz Technical Univ, 2020)

  Internal combustion engines (ICEs) have harmful effects on the environment in terms of emissions. According to present emission regulations, reducing NOx emissions came into prominence. One of the techniques of reducing ...

• Bütanol-Diesel yakıtı kullanılan bir sıkıştırma ateşlemeli motorda motor performansı ve egzoz emisyonlarının yapay sinir ağları ile tahmini 

  Gürgen, Samet; Altın, İsmail (2018)

  Bu çalışmada saf Diesel yakıtı ve 5 farklı bütanol-Diesel yakıtkarışımları (%3, 6, 9, 12 ve 15) kullanılan bir Diesel motorunda (SA)farklı devir sayılarında ve tam yük durumunda motor performansı veegzoz emisyonları yapay ...

• Determination of appropriate axial vibration dampers for a naval vessel driven by CODAG propulsion 

  Göktürk, Abdullah; Özsoysal, Osman Azmi (International University of Sarajevo, 2017)

  The objective of this study is to reduce the vibration oscillations on a naval vessel propulsion system driven by CODAG. Within vibration analysis of the system firstly; physical model of the naval ship's propulsion system ...

• Crankcase explosion for two-stroke marine diesel engine by using fault tree analysis method in fuzzy environment 

  Ünver, Bedir; Gürgen, Samet; Şahin, Bekir; Altın, İsmail (Elsevier, 2019)

  The purpose of this study is to investigate crankcase explosion in two-stroke marine diesel engine systematically by using fault tree analysis method in fuzzy environment for system reliability and shipping sustainability. ...

• A comparative thermo-ecological performance analysis of generalized irreversible solar-driven heat engines 

  Üst, Yasin; Arslan, Feyyaz; Özsarı, İbrahim (Elsevier, 2017)

  In this study, an analysis based upon thermo-ecology criteria has been performed for an irreversible solar-driven heat engine. In the conceived heat engine, heat is transferred by using simultaneous radiation and convection ...

• Prediction of engine performance and exhaust emissions using artificial neural network in a compression ignition engine fueled with butanol-diesel fuel 

  Gürgen, Samet; Altın, İsmail (Pamukkale Unıversity, 2018)

  In this study, engine performance and exhaust emission of a Diesel engine (CI) at full load and various speeds conditions using only Diesel fuel and five different blends with butanol (3, 6, 9, 12 and 15 v/v %) were modeled ...

• Prediction of main particulars of a chemical tanker at preliminary ship design using artificial neural network 

  Gürgen, Samet; Altın, İsmail; Özkök, Murat (Taylor and Francis Ltd., 2018)

  Preliminary ship design is an important part of the ship design and a reliable design tool is needed for this stage. The aim of this study was to develop an artificial neural network (ANN) model to predict main particulars ...

• Prediction of cyclic variability in a diesel engine fueled with n-butanol and diesel fuel blends using artificial neural network 

  Gürgen, Samet; Ünver, Bedir; Altın, İsmail (Elsevier, 2018)

  In this study, the cyclic variability of a diesel engine using diesel fuel and butanol diesel fuel blends is modeled using an artificial neural network (ANN) method. The engine was operated with ten different engine speeds ...

• Experimental investigation on cyclic variability, engine performance, and exhaust emissions in a diesel engine using alcohol-diesel fuel blends 

  Gürgen, Samet; Ünver, Bedir; Altın, İsmail (Serbian Society of Heat Transfer Engineers, 2017)

  This paper investigates the impacts of using n-butanol-diesel fuel and ethanol-diesel fuel blends on engine performance, exhaust emission, and cycle-by-cycle variation in a Diesel engine. The engine was operated at two ...

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