İSTE Yazarı "Gürgen, Samet" Araştırma Çıktıları | Scopus İndeksli Yayınlar Koleksiyonu İçin Listeleme
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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 ... -
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 ... -
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. ... -
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 ... -
Forecasting the Baltic Dry Index by using an artificial neural network approach
Şahin, Bekir; Gürgen, Samet; Ünver, Bedir; Altın, İsmail (TÜBİTAK Scientific & Technical Research Council Turkey, 2018)The Baltic Dry Index (BDI) is a robust indicator in the shipping sector in terms of global economic activities, future world trade, transport capacity, freight rates, ship demand, ship orders, etc. It is hard to forecast ... -
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 ... -
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, ... -
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 ... -
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 ... -
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 ...