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Browsing Deniz Ulaştırma İşletme Mühendisliği by Issue Date

Browsing Deniz Ulaştırma İşletme Mühendisliği by Issue Date

Now showing items 1-20 of 42

Approach for determining the optimum pilot placement in orthogonal frequency division multiplexing systems

Engiz, Beguem Korunur; Kurnaz, Cetin; Sezgin, Hatice (WILEY111 RIVER ST, HOBOKEN 07030-5774, NJ, 2015)

One of the major concerns in wireless communications is multipath fading that causes some adverse effects and significantly limits the performance of a system. To overcome these effects in orthogonal frequency division ...
A REVIEW OF HIGH RESOLUTION MODELING STUDIES OF THE EXCHANGE FLOWS OF THE TURKISH STRAITS SYSTEM

Ozsoy, Emin; Sannino, Gianmaria; Sozer, Adil (TURKISH MARINE RESEARCH FOUNDATION-TUDAV, PO Box 10, BEYKOZ 34820, ISTANBUL, BYZANTION, TURKEY, 2016)

Constructing a model of the entire TSS uniformly representing the rich diversity of observed hydrodynamic processes including strong topographic control, non-linear hydrodynamics, strong stratified turbulence, hydraulic ...
A novel throughput mapping method for DC-HSDPA systems based on ANN

Engiz, Begum Korunur; Esenalp, Murat; Kurnaz, Cetin (SPRINGER LONDON LTD, 236 GRAYS INN RD, 6TH FLOOR, LONDON WC1X 8HL, ENGLAND, 2017)

In order to improve support for higher data rates, third-generation partnership project (3GPP) introduced dual-carrier high-speed downlink packet access (DC-HSDPA), which reaches up to 42-Mbps throughput with the use of ...
A high-resolution modelling study of the Turkish Straits System

Sannino, Gianmaria; Sozer, Adil; Sozer, Adil (SPRINGER HEIDELBERG, TIERGARTENSTRASSE 17, D-69121 HEIDELBERG, GERMANY, 2017)

High-resolution modelling, for the first time, is used to study the basic hydrodynamics of the Turkish Straits System (TSS). Hydraulic controls in the Bosphorus and Dardanelles Straits are found to be essential in determining ...
Water Exchange through Canal Istanbul and Bosphorus Strait

Ozsoy, E.; Sozer, A. (NATL CENTRE MARINE RESEARCH, AGHIOS KOSMAS, HELLINIKON, GR-16-604, GREECE, 2017)

The Turkish Straits System (TSS) regulates the transports of water, material and energy between the Black Sea and the Mediterranean Sea. Amidst existing environmental threats to the region surrounding I.stanbul, the ...
Modeling of the Bosphorus exchange flow dynamics

Ozsoy, Emin; Sozer, Adil (SPRINGER HEIDELBERG, TIERGARTENSTRASSE 17, D-69121 HEIDELBERG, GERMANY, 2017)

The fundamental hydrodynamic behavior of the Bosphorus Strait is investigated through a numerical modeling study using alternative configurations of idealized or realistic geometry. Strait geometry and basin stratification ...
Career decision making in the maritime industry: research of merchant marine officers using Fuzzy AHP and Fuzzy TOPSIS methods

Asyali, Ender; Kaya, Ali Yasin; Ozdagoglu, Askin (MARITIME UNIV SZCZECIN, WALY CHROBREGO 1, SZCZECIN, 70-500, POLAND, 2018)

Individual career planning plays a key role in achieving success, goals, and ideals in professional life. However, managing to accomplish such favorable results depends on the correct decisions of graduates to choose ...
DETERMINISTIC-BASED SHIP ANTI-COLLISION ROUTE OPTIMIZATION WITH WEB-BASED APPLICATION

(Nasibov, E.; Fiskin, R.; Yardimci, M. O. (ROYAL INST NAVAL ARCHITECTS, 10 UPPER BELGRAVE ST, LONDON SW1X 8BQ, ENGLAND, 2019)

Most of the accidents are caused by human error at sea so, decision making process made by navigators should be more computerised and automated. The supported decision making can be a step forward to decrease the risk of ...
A Fuzzy Ship Domain-Based Method for Collision Avoidance at Sea

Nasibov, Efendi; Fiskin, Remzi; Yardimci, Mehmet Oguz (IEEE-NEW YORK, 2019)

The paper presents an asymmetrical polygonal fuzzy ship domain-based ship collision avoidance method considering COLREGs. The user interface is formed for practical collision avoidance decision support function via using ...
A Fuzzy Rule-Based Approach to Determine an Asymmetrical Polygonal Ship Domain

Yardimci, Mehmet Oguz; Fiskin, Remzi; Nasibov, Efendi (IEEE-NEW YORK, 2019)

Navigators expect to feel comfortable while passing a ship and an obstacle at sea. This feeling has led to reveal the concept of ship domain. The ship domain is one of the criteria for navigational risk assessment and one ...
Analyzing Collision, Grounding, and Sinking Accidents Occurring in the Black Sea Utilizing HFACS and Bayesian Networks

Kuntchulia, Shota; Loughney, Sean; Sharabidze, Irakli; Ugurlu, Ozkan; Wang, Jin; Yildiz, Serdar (WILEY, 111 RIVER ST, HOBOKEN 07030-5774, NJ USA, 2020)

This study examines and analyzes marine accidents that have occurred over the past 20 years in the Black Sea. Geographic information system, human factor analysis and classification system (HFACS), and Bayesian network ...
Comparative bibliometric and network analysis of maritime transport/shipping literature using the Web of Science database

Cerit, Ayse Guldem; Fiskin, Cemile Solak (MARITIME UNIV SZCZECIN, WALY CHROBREGO 1, SZCZECIN, 70-500, POLAND, 2020)

This paper presents a bibliometric analysis of maritime transport/shipping-related publications between 1975 and November 2018 in order to describe the profile and research themes. Comprehensive queries were used to reveal ...
Potential threat of plastic waste during the navigation of ships through the Turkish straits

Blettler, Martin C.; Kaptan, Mehmet; Sivri, Nuket; Ugurlu, Ozkan (SPRINGER, VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS, 2020)

The Turkish Straits System (TSS) is a dangerous and narrow waterway extending between the Black Sea and the Aegean Sea, including the Bosphorus, the Dardanelles, and the Marmara Sea and the Gulf of Izmit. The western banks ...
A hybrid model for human-factor analysis of engine-room fires on ships: HFACS-PV&FFTA

Aydin, Muhammet; Sarialioglu, Songul; Ugurlu, Ozkan; Vardar, Burak; Wang, Jin (PERGAMON-ELSEVIER SCIENCE LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND, 2020)

In this study, an analysis of fire-explosion accidents in ship engine rooms was conducted. For analysis, a hybrid method including the Human Factors Analysis and Classification System (HFACS) and fuzzy fault tree analysis ...
Analysis of occupational burnout utilising Maslach inventory: a case study of Turkish male seafarers

Aydin, Muhammet; Aydin, Tuncay; Kaptan, Mehmet; Ugurlu, Ozkan; Wang, Jin; Yildiz, Serdar (ROUTLEDGE JOURNALS, TAYLOR & FRANCIS LTD, 2-4 PARK SQUARE, MILTON PARK, ABINGDON OX14 4RN, OXON, ENGLAND, 2020)

This study examined the relationship between seafarers' levels of occupational burnout and demographic characteristics. Within the scope of the study, a survey was conducted with 303 male Turkish seafarers. Using the Maslach ...
A knowledge-based framework for two-dimensional (2D) asymmetrical polygonal ship domain

Fiskin, Remzi; Nasiboglu, Efendi; Yardimci, Mehmet Oguz (PERGAMON-ELSEVIER SCIENCE LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND, 2020)

Ship domain is crucial for traffic risk assessment and safe navigation at sea especially in high-density traffic. This study proposes a fuzzy rule-based model to create an asymmetrical polygonal ship domain for both ...
An analysis of decision-making process of shipowners for implementing energy efficiency measures on existing ships: The case of Turkish maritime industry

Kaya, Ali Yasin; Erginer, Kadir Emrah (PERGAMON-ELSEVIER SCIENCE LTD OXFORD, 2021)

Many technical and operational measures provide energy efficiency for existing ships. The decision-making process is very complex as shipowners must consider many criteria regarding the implementation of these measures. ...
Investigation of the Effects of Hook Size and Bait Type on the Catch of Whiting, Merlangius merlangus (Linnaeus, 1758) (Gadidae) in Bottom Longline Fisheries of the Black Sea

Ari, Bunyamin; Balik, Ismet (ISTANBUL UNIV PRESS, FAC AQUATIC SCIENCES ISTANBUL, 2021)

This study was carried out along the Unye coasts of the South-eastern Black Sea (Turkey), in order to investigate the effects of hook size and bait type on the catch of whiting, Merlangius merlangus (Linnaeus, 1758) (Gadidae) ...
Investigation of tugboat accidents severity: An application of association rule mining algorithms

Cakir, Erkan; Fiskin, Remzi; Sevgili, Coskan (ELSEVIER SCI LTD OXFORD, 2021)

This paper aims to investigate tugboat accidents using various association rule mining algorithms. A total of 477 tugboat accident records obtained from the Information Handling Services (IHS) Sea-Web database for the ...
Application of the HFACS-PV approach for identification of human and organizational factors (HOFs) influencing marine accidents

Yildiz, Serdar; Ugurlu, Ozkan; Wang, Jin; Loughney, Sean (ELSEVIER SCI LTD OXFORD, 2021)

Shipping is one of the leading modes of transport that has dominated the world economy from past to present. The effectiveness and efficiency of maritime trade is closely related to maritime safety. Providing quality ...

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