Fatsa Deniz Bilimleri Fakültesi: Recent submissions

Now showing items 201-220 of 295

Piezoelectric-Based Low-Power Wind Generator Design and Testing

Oy, Sibel Akkaya; Ozdemir, Ali Ekber (SPRINGER HEIDELBERG, TIERGARTENSTRASSE 17, D-69121 HEIDELBERG, GERMANY, 2018)

The main purpose of this paper is to show, design and test a new piezoelectric-based low-power generator to generate cheap and clean energy. The presented generator can be evaluated as an experimental renewable energy ...
Palynomorphs from a lacustrine sequence provide evidence for palaeoenvironmental changes during the early Miocene in Central Anatolia, Turkey

Biltekin, Demet (CANADIAN SCIENCE PUBLISHING, NRC RESEARCH PRESS, 65 AURIGA DR, SUITE 203, OTTAWA, ON K2E 7W6, CANADA, 2018)

Pollen samples belonging to 54 plant taxa from 32 intervals in a 59 m thick lacustrine sequence in the Harami open pit lignite mine in Konya Province, Turkey, were studied to evaluate early Miocene (Aquitanian) changes in ...
An ecological risk investigation of marine sediment from the northern Mediterranean coasts (Aegean Sea) using multiple methods of pollution determination

Aydin, Mehmet; Sahin, Ulku Alver; Tunca, Evren (SPRINGER HEIDELBERG, TIERGARTENSTRASSE 17, D-69121 HEIDELBERG, GERMANY, 2018)

The aim of this study is an assessment of metal pollution levels in Aegean Sea sediment. Sediment samples collected from 7 different locations (Yenikoy, Edremit, Ayvalik, Dikili, Aliaga, Hekimadasi, and Ildir) along the ...
Design and Application of a Two Pole Spherical Permanent Magnet Motor

Gurdal, Osman; Oy, Sibel Akkaya (ASSOC INFORMATION COMMUNICATION TECHNOLOGY EDUCATION & SCIENCE, HILMA ROZAJCA 15, NOVI PAZAR, 36300, SERBIA, 2018)

In this study, an air core spherical motor comprising a two pole permanent magnet rotor with 8 mm diameter and a multipole stator is designed by considering the ease of manufacturing priorities. Stator winding dimensions ...
Evaluation of Energy Efficiency of Thermoelectric Generator with Two-Phase Thermo-Syphon Heat Pipes and Nano-Particle Fluids

Atalay, Tahsin; Koysal, Yavuz; Ozbas, Engin; Ozdemir, Ali Ekber (KOREAN SOC PRECISION ENG, RM 306, KWANGMYUNG BLDG, 5-4 NONHYUN-DONG, KANGNAM-GU, SEOUL, 135-010, SOUTH KOREA, 2018)

This paper investigates the effects of heat pipes filled with water and nanoparticles (MgO) on electricity generation. The experimental setup comprises of two-phase thermo-syphon heat pipes filled with water or MgO ...
Finite Element Analysis of the Inductance and Magnetic Field in the Permanent Magnet Spherical Motor

Akkaya Oy, Sibel; Arslan, Serdal; Gurdal, Osman (GAZI UNIV, CENTER CAMPUS TECHNOLOGY FAC B BLOCK EK BINA, 2ND FL, ANKARA, 06500, TURKEY, 2020)

Today, many applications requiring mass manufacturing are shifting to robotic applications through automation systems. The actuators used in these robotic systems should be designed according to needs. In this study, an ...
Water vapor barrier properties of wheat gluten/silica hybrid coatings on paperboard for food packaging applications

Farris, Stefano; Hedenqvist, Mikael S.; Rovera, Cesare; Ture, Hasan (ELSEVIER, RADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS, 2020)

Motivated by the increasing need for new solutions with less environmental impact, in this work we have investigated the benefits of depositing a wheat gluten (WG) coating on paperboard substrates intended for food packaging ...
Legal Regulation of Reactive Power Compensation in Energy Efficiency

Akkaya Oy, Sibel; Aydin, Olcay; Yilmaz, Ercan Nurcan (GAZI UNIV, CENTER CAMPUS TECHNOLOGY FAC B BLOCK EK BINA, 2ND FL, ANKARA, 06500, TURKEY, 2020)

Electrical energy is one of the most important issues in the world. Electricity generation is a problem for many countries. In many countries in the energy field is also dependent on the outside. In some countries, such ...
Design and optimization of tubular linear permanent-magnet generator with performance improvement using response surface methodology and multi-objective genetic algorithm

Arslan, S.; Gurdal, O.; Oy, S. Akkaya (SHARIF UNIV TECHNOLOGY, PO BOX 11155-8639, TEHRAN, 00000, IRAN, 2020)

Linear generators are electric machines which generate electrical energy from linear movement. Since these machines can lift gear wheel or power train, they are nowadays widely used. Considering the fact that the working ...
Synergistic antimicrobial effects of activated lactoferrin and rosemary extract in vitro and potential application in meat storage

Eroglu, Erdal; Keman, Deniz; Soyer, Ferda; Ture, Hasan (SPRINGER INDIA, 7TH FLOOR, VIJAYA BUILDING, 17, BARAKHAMBA ROAD, NEW DELHI, 110 001, INDIA, 2020)

This study aimed to explore the antimicrobial effects of activated lactoferrin (ALF) and rosemary extract (RE) on Escherichia coli O157:H7, Salmonella Enteritidis and Listeria monocytogenes, and to investigate their ...
A MEDIUM FREQUENCY TRANSFORMER DESIGN FOR SPOT WELDING MACHINE USING SIZING EQUATION AND FINITE ELEMENT ANALYSIS

Arslan, Serdal; Guven, M. E.; Oy, Sibel Akkaya; Tarimer, Ilhan (UNIV RIJEKA, FAC ENGINEERING, VUKOVARSKA 58, RIJEKA, 51000, CROATIA, 2020)

In this study, a medium frequency power transformer has been designed analytically and its sizes have been obtained. The transformer's analyses were made numerically by 2D Ansys-Maxwell Solver software package. The Solver ...
Design and Optimization of Tube Type Interior Permanent Magnets Generator for Free Piston Applications

Akkaya Oy, Sibel; Arslan, Serdal (ASSOC INFORMATION COMMUNICATION TECHNOLOGY EDUCATION & SCIENCE, HILMA ROZAJCA 15, NOVI PAZAR, 36300, SERBIA, 2017)

In this study a design and optimization of a generator to be used in free piston applications was made. In order to supply required initial force, an IPM (interior permanent magnets) cavity tube type linear generator was ...
Investigation of Stator and Rotor Slits' Effects to the Torque and Efficiency of an Induction Motor

Akkaya Oy, Sibel; Arslan, Serdal; Tarimer, Ilhan (ASSOC INFORMATION COMMUNICATION TECHNOLOGY EDUCATION & SCIENCE, HILMA ROZAJCA 15, NOVI PAZAR, 36300, SERBIA, 2017)

Induction machines have a simple structure and are popular due to their wide range of use, however they have limited power factor and efficiency. Although the working principles of inductions machines have not changed for ...
ASSESSMENT OF HEAVY METAL CONTAMINATION AND ACCUMULATION PATTERNS IN THE COASTAL AND DEEP SEDIMENTS OF LAKE SALDA, TURKEY

Caldirak, Huseyin; Canoglu, Mustafa Can; Kurtulus, Bedri; Tunca, Evren (PARLAR SCIENTIFIC PUBLICATIONS (P S P), ANGERSTR. 12, 85354 FREISING, GERMANY, 2017)

In this study, contamination levels were found for 8 different metals (Cu, Pb, Zn, Ni, Mn, Fe, Cd, Cr) and metalloids (As) in sediment samples, coming from 9 different stations, through statistical analysis and sediment ...
The effects of alginate microspheres on phytoremediation and growth of Lemna minor in the presence of Cd

Terzioglu, Kader; Tunca, Esra Ucuencue; Ture, Hasan (TAYLOR & FRANCIS LTD, 2-4 PARK SQUARE, MILTON PARK, ABINGDON OR14 4RN, OXON, ENGLAND, 2017)

Today, the removal of increased amount of contaminant concentrations in nature such as metals, nanoparticles, has become an essential issue to struggle with. In this paper, both the toxic effects of non-essential Cd on ...
Interactions and accumulation differences of metal(loid)s in three sea cucumber species collected from the Northern Mediterranean Sea

Aydin, Mehmet; Sahin, UlkuAlver; Tunca, Evren (SPRINGER HEIDELBERG, TIERGARTENSTRASSE 17, D-69121 HEIDELBERG, GERMANY, 2016)

This study was conducted on Holothuria polii, Holothuria tubulosa, and Holothuria mammata collected from five stations with different depths in the Northern Mediterranean Sea. The body walls and guts of these holothurians ...
Microfibrillated cellulose and borax as mechanical, O-2-barrier, and surface-modulating agents of pullulan biocomposite coatings on BOPP

Campanella, Gaetano; Cozzolino, Carlo A.; Farris, Stefano; Olsson, Richard T.; Ture, Hasan (ELSEVIER SCI LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND, 2016)

Multifunctional composite coatings on bi-oriented polypropylene (BOPP) films were obtained using borax and microfibrillated cellulose (MFC) added to the main pullulan coating polymer. Spectroscopy analyses suggested that ...
Alternative Renewable Energy Producing Systems by Utilizing Piezoelectric Transducers

Akkaya Oy, Sibel; Ozdemir, Ali Ekber (IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA, 2016)

Main purpose of this manuscript is to show and discuss some alternative renewable energy producing systems by utilizing piezoelectric crystal materials. It is known that piezoelectric materials have the ability to produce ...
Usage of Piezoelectric Material and Generating Electricity

Akkaya Oy, Sibel; Ozdemir, Ali Ekber (IEEE, 345 E 47TH ST, NEW YORK, NY 10017 USA, 2016)

Today, another alternative usage area of the piezoelectric materials having a wide usage area from the automotive sector to the military industry is the production of electricity energy. In this study; information has been ...
Correlations in metal release profiles following sorption by Lemna minor

Altindag, Ahmet; Olmez, Tolga T.; Ozkan, Alper D.; Tekinay, Turgay; Tunca, Esra Ucuncu; Tunca, Evren (TAYLOR & FRANCIS INC, 530 WALNUT STREET, STE 850, PHILADELPHIA, PA 19106 USA, 2016)

Following the rapid uptake of contaminants in the first few hours of exposure, plants typically attempt to cope with the toxic burden by releasing part of the sorbed material back into the environment. The present study ...

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