• Improved ship roll motion performance with combined EKF parameter estimation and mpc control 

  Çakıcı, Ferdi; Jambak, Ahmad Irham; Kahramanoğlu, Emre; Karabuber, Ahmet Kaan; Küçükdemiral, İbrahim; Oğur, Mehmet Utku; Peri, Fuat; Şahin, Ömer Sinan; Uğur, Mehmet Akif (Institute of Electrical and Electronics Engineers Inc., 2024)

  Roll motion reduction is a critical operational challenge for ships operating in a seaway. This paper presents a nonlinear roll dynamics model for a gulet model ship equipped with active fins. We employ an Extended Kalman ...

• Morphology, crystal structure and thermal properties of nano-sized amorphous colemanite synthesis 

  Kütük, Sezai (Springer, 2024)

  It is important to utilize the raw colemanite (RC) mineral, which has abundant reserves in the world, and to reduce its particles to smaller sizes for nanotechnology. However, not only the particle size of the produced ...

• Population dynamics and stock assessment of two mullet species (Chelon auratus Risso, 1810 and Mugil cephalus Linneaus, 1758) in the Köyceğiz lagoon-estuary (Mediterranean coast) 

  Çiloğlu, Erhan (Elsevier, 2023)

  In this study, the populations and stocks of Chelon auratus and Mugil cephalus in the Köyceğiz Lagoon (Mediterranean coast) were investigated. The length–weight relationships, growth performances (φ) and growth coefficients ...

• Improvement of the durability of concrete by substitution of raw ground colemanite 

  Kara, Cuma; Kütük, Sezai; Kütük Sert, Tuba (Elsevier, 2023)

  This study investigated the effects of raw ground colemanite (GC) mineral on concrete strength and durability. Concrete mixtures were prepared at six replacement levels of GC (0%, 1%, 2%, 3%, 4% and 5%, by weight of cement). ...

• Digital image processing of warm mix asphalt enriched with nanocolemanite and nanoulexite minerals 

  Kütük Sert, Tuba; Öztürk, Mehmet; Kütük, Sezai (Elsevier, 2023)

  Digital image processing (DIP) is a method used to view the internal structure of hot mix asphalt. However, in this study, the DIP of warm mix asphalt (WMA), which reduces environmental emissions and saves energy, was been ...

• Control of dynamic trim for planing vessels with interceptors in terms of comfort and minimum drag 

  Şahin, Ömer Sinan; Kahramanoğlu, Emre; Çakıcı, Ferdi; Pesman, Emre (2023)

  Nowadays, interceptors are often used to decrease total resistance and enhance comfort by reducing dynamic trim for high-speed planing vessels. They can be controlled manually as well as automatically by using a suitable ...

• Population dynamics of deep-water pink shrimp (Parapenaeus longirostris Lucas, 1846) (Decapoda, Penaeidae) in the coastal waters of Tuzla (Eastern part of the Sea of Marmara) 

  Çiloğlu, Erhan; Ateş, Celal (ScientificWebJournals (SWJ), 2022)

  In this study, the population parameters, recruitment period, exploitation rate, and stock status of deepwater pink shrimp (Parapenaeus longirostris Lucas, 1846) in the eastern Sea of Marmara were investigated. Growth ...

• Active control of vertical acceleration with T-Foil and trim tab systems in a fast ferry 

  Şahin, Ömer Sinan; İtik, Mehmet (Dokuz Eylul University, 2022)

  his study is concerned with the active T-foil placed near the bow on the keel line of the fast ferry and two active trim tab controls placed at the stern to improve the maritime performance of a fast ferry, whilst improving ...

• Nanopartikül kolemanit mineralinin ısıl özellikleri ve uygulamada sağlayacağı kazanımlar 

  Kütük, Sezai; Kütük Sert, Tuba (Gümüşhane Üniversitesi, 2021)

  Kolemanit minerali (C-3 mm) ve öğütülmüş kolemanit mineralleri (C-75 µm ile C-45 µm tozları) Eti Maden Bigadiç Bor İşletme Müdürlüğünden tedarik edildi. C-3 mm başlangıç malzemesi yüksek enerjili bilyalı değirmende öğütme ...

• An extended human reliability analysing under fuzzy logic environment for ship navigation 

  Uflaz, Esma; Çelik, Erkan; Aydın, Muhammet; Erdem, Pelin; Akyüz, Emre; Arslan, Özcan; Kurt, Rafet Emek; Turan, Osman (Taylor & Francis Ltd., 2022)

  Preparation for a sea voyage is one of the fundamental aspects of navigation. Several complexities are involved during the preparation of the ship for navigation due to the nature of maritime work. At this point, analysing ...

• Prediction of human–machine interface (HMI) operational errors for maritime autonomous surface ships (MASS) 

  Liu, Jialun; Aydın, Muhammet; Akyüz, Emre; Arslan, Özcan; Uflaz, Esma; Kurt, Rafet Emek; Turan, Osman (Springer, 2022)

  The human factor is a hot topic for the maritime industry since more than 80 percent of maritime accidents are due to human error. Minimizing human error contributions in maritime transportation is vital to enhance safety ...

• Numerical risk analysis of gas freeing process in oil/chemical tanker ships 

  Elidolu, Gizem; Uflaz, Esma; Aydın, Muhammet; Çelik, Erkan; Akyüz, Emre; Arslan, Özcan (Elsevier, 2022)

  Gas freeing is one of the most hazardous and critical operations on oil/chemical tankers. The process aims to remove toxic gases from tanks and bring oxygen to a healthy level (21%) in the tank atmosphere. Significant ...

• Assessment of human error contribution to maritime pilot transfer operation under HFACS-PV and SLIM approach 

  Aydın, Muhammet; Uğurlu, Özkan; Boran, Muhammet (Elsevier, 2022)

  Human factor plays an important role in sustainable maritime transportation. Human errors are the leading cause of death or injuries during maritime pilot transfer operations despite international regulations. This paper ...

• Numerical evaluation on the effects of interceptor layout and blade heights for a prismatic planing hull 

  Şahin, Ömer Sinan; Kahramanoğlu, Emre; Çakıcı, Ferdi (Elsevier, 2022)

  Planing hulls are exposed to effects such as trim and resistance that have a negative impact on their hydrodynamic performances. Interceptors are one of the systems to find solutions to reduce these negative effects. In ...

• Analysis of structural, electrical, and levitation properties of (RE: Nd, Sm, Gd) BCO-358 superconducting ceramics prepared by a modified MPMG technique 

  Kütük, Sezai; Bolat, Süleyman (Springer, 2022)

  RE3(Nd, Sm, Gd)Ba5Cu8Oy (RE358) superconducting ceramics were prepared by a modified Melt-Powder-Melt-Growth (MPMG) technique. The structural properties of samples were examined with bulk density, an X-Ray Diffractometer ...

• Assessment of marine diesel engine crankshaft damages 

  Kutay, Şevki; Kamal, Bünyamin (Taylor & Francis Ltd., 2022)

  The failure of the main engine's crankshaft in service on a large ocean-going cargo ship is a major operational and mechanical calamity. Despite the fact that crankshaft damage is rare, it is quite costly. Given the financial ...

• Application of fuzzy Bayesian approach on bankruptcy causes for container liner industry 

  Kamal, Bünyamin; Aydın, Muhammet (Elsevier, 2022)

  The crucial role of the container liner industry in international trade suggests that understanding why container liner firms go bankrupt is vital to the stability, sustainability, and health of container liner transportation. ...

• Population characteristics and stock assessment of European anchovy (Engraulis encrasicolus L., 1758) in coastal waters of the south-eastern Black Sea of Turkey 

  Çiloğlu, Erhan; Şahin, Cemalettin (Cambridge University Press, 2022)

  This study was carried out throughout 10 fishing seasons between 2002 and 2018 to monitor the population and stock variations of Engraulis encrasicolus (L., 1758) on the south-eastern Black Sea coast of Turkey. Asymptotic ...

• A fuzzy-bayesian approach on the bankruptcy of hanjin shipping 

  Aydın, Muhammet; Kamal, Bünyamin (Galenos Yayıncılık, 2022)

  The vital role of container liner shipping in international trade suggests that understanding why container liner firms go bankrupt is crucial to the sustainability of the maritime supply chain to improve resilience. ...

• Validation of risk analysis for ship collision in narrow waters by using fuzzy Bayesian networks approach 

  Aydın, Muhammet; Akyüz, Emre; Turan, Osman; Arslan, Özcan (Elsevier, 2021)

  Risk analysis is regarded as one of the most critical research topics in maritime industry due to the nature of work. Validation of risk analysis is a significant challenge for safety researchers. This paper aims to address ...

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