Yazar "Gürgen, Samet" için Araştırma Çıktıları | Web of Science İndeksli Yayınlar Koleksiyonu listeleme
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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 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 ... -
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 ...