Makale Koleksiyonu by İSTE Author "Akgöl, Oğuzhan"
Now showing items 21-40 of 67
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Experimental work on mechanical, electromagnetic and microwave shielding effectiveness properties of mortar containing electric arc furnace slag
Öztürk, Murat; Akgöl, Oğuzhan; Sevim, Umur Korkut; Karaaslan, Muharrem; Demirci, Mustafa; Ünal, Emin (Elsevier, 2018)It is well known that one of the widely used structural materials is ordinary cement mortar. Whereas the mechanical properties are sufficient as structural materials, its shielding effectiveness and prevention properties ... -
Farklı Konfigürasyonlarda Çelik Metamalzemeler Kullanarak Sismik Etkilerin Azaltılması
Kaçın, Selçuk; Sevim, Umur Korkut; Öztürk, Murat; Karaaslan, Muharrem; Demirci, Mustafa; Akgöl, Oğuzhan; ünal, Emin; Özer, Zafer; Başar, Mustafa Tunahan; Alkurt, Maide Erdoğan; Alkurt, Fatih Özkan; Mert, Bayram Ali; Kaya, Şeyda (Türk deprem araştırma dergisi (Online), 2021)Depremlerin yıkıcı etkilerini azaltmak için yapılan çalışmalar, son zamanlarda üzerinde durulan araştırma konuları arasındadır. Bu çalışmada, kare, üçgen, sinüs ve daire olmak üzere dört farklı saha dizisinde çelik met ... -
Fluid, Strain and Rotation Sensing Applications by Using Metamaterial Based Sensor
Altıntaş, Olcay; Aksoy, Murat; Akgöl, Oğuzhan; Ünal, Emin; Karaaslan, Muharrem; Sabah, Cumali (Electrochemical Society Inc., 2017)We propose a design of a metamaterial based sensor to be used in various applications including micro-fluid, strain and rotation sensing. The structure has a simple geometry composed of a single circular split ring resonator ... -
Grease oil humidity sensor by using metamaterial
Dalgaç, Şekip; Furat, Murat; Karaaslan, Muharrem; Akgöl, Oğuzhan; Karadağ, Faruk; Zile, Mehmet; Bakır, Mehmet (Taylor and Francis, 2020)Interaction between water and lubrication grease oil is not desirable, but it is not inevitable. The operational life of the machine component is influenced by humid grease oil. Metameterial-based transmission line sensor ... -
Ground plane design configuration estimation of 4.9 GHz reconfigurable monopole antenna for desired radiation features using artificial neural network
Alkurt, Fatih Özkan; Özdemir, Merve Erkınay; Akgöl, Oğuzhan; Karaaslan, Muharrem (Wiley, 2021)This paper presents a system based on artificial neural network (ANN) that predicts ground plane design for desired radiation properties of a monopole antenna with operation band of 4.8 to 5 GHz. The operating frequency ... -
High Sensitive Metamaterial Sensor for Water Treatment Centres
Bakır, Mehmet; Dalgaç, Şekip; Ünal, Emin; Karadağ, Faruk; Demirci, Mustafa; Köksal, Ahmet Sertol; Akgöl, Oğuzhan; Karaaslan, Muharrem (Springer International Publishing Ag, 2019)In this study, a high sensitive metamaterial sensor has been designed to detect quality of water for water treatment centre. The water samples have been obtained and electrical properties have been measured in microwave ... -
Implementation of a perfect metamaterial absorber into multi-functional sensor applications
Akgöl, Oğuzhan; Karaaslan, Muharrem; Ünal, Emin; Sabah, Cumali (World Scientific Publishing Co. Pte Ltd., 2017)Perfect metamaterial absorber (MA)-based sensor applications are presented and investigated tigated in the microwave frequency range. It is also experimentally analyzed and tested to verify the behavior of the MA. Suggested ... -
Investigation of cotton fabric composites as a natural radar-absorbing material
Ayan, Muhammet Çağrı; Kiriş, Serap; Yapıcı, Ahmet; Karaaslan, Muharrem; Akgöl, Oğuzhan; Altıntaş, Olcay; Ünal, Emin (Emerald Group Publishing Ltd., 2020)Purpose The purpose of this paper is to investigate cotton fabric behavior that is exposed to radar waves between selected operation frequencies as an alternative radar-absorbing material (RAM) response. Cotton fabric ... -
Investigation of electromagnetic properties of glass-fiber reinforced epoxy composites containing pan nanofibers with mwcnt/graphene additive
Özkan, Vildan; Yapıcı, Ahmet; Karaaslan, Muharrem; Akgöl, Oğuzhan (Parlar Scientific Publications (P S P), 2019)In this work; the differences between of electromagnetic properties of glass fiber reinforced (GFR)-epoxy laminate composites with various nanoparticle doped polyacrylonitrile (PAN) fibers were investigated. The laminated ... -
Investigation of methanol contaminated local spirit using metamaterial based transmission line sensor
Dalgaç, Şekip; Akdoğan, Volkan; Kiriş, Serap; İncesu, Ayşe; Akgöl, Oğuzhan; Ünal, Emin; Başar, Mustafa Tunahan; Karaaslan, Muharrem (Elsevier, 2021)A metamaterial-based transmission line sensor was designed to determine the amount of methanol in methanol-contaminated local spirit samples both numerically and experimentally. The proposed sensor consists of a square ... -
Investigation of the mechanic, electromagnetic characteristics and shielding effectiveness of concrete with boron ores and boron containing wastes
Öztürk, Murat; Sevim, Umur Korkut; Akgöl, Oğuzhan; Ünal, Emin; Karaaslan, Muharrem (Elsevier, 2020)In this study, mechanical properties electromagnetic (EM), and shielding effectiveness of concrete samples containing boron product and wastes was investigated in details. In order to increase shielding effectiveness of ... -
Kompozit Özlü Alüminyum İletkenlerin (ACCC) üretilmesi ve iletkenliğinin yükseltilmesi için yapılan çalışmalar
Bu çalışmada kompozit özlü alüminyum iletkenlerin (ACCC) üretilmesi ve iletkenliğinin yükseltilmesi içinyapılan işlemler araştırılmıştır Elektrik enerjisi taleplerinin büyümesiyle birlikte iletim hatlarınınkapasitesinin ... -
Linear to left- and right-hand circular polarization conversion by using a metasurface structure
Akgöl, Oğuzhan; Altıntaş, Olcay; Ünal, Emin; Karaaslan, Muharrem; Karadağ, Faruk (Cambridge University Press, 2018)By using a metasurface (MS) structure, a linearly polarized wave is converted to circularly polarized waves. Both right- and left-handed circular polarizations (RHCPs and LHCP) are obtained by a simple configuration in the ... -
Mechanical and electromagnetic performance of cement based composites containing different replacement levels of ground granulated blast furnace slag, fly ash, silica fume and rice husk ash
Öztürk, Murat; Karaaslan, Muharrem; Akgöl, Oğuzhan; Sevim, Umur Korkut (Elsevier, 2020)In this study, cement additives were replaced with cement in mortar mixtures by mass. Mortar specimens were prepared with different additives and dosages which were mechanically and electromagnetically tested. According ... -
Metamaterial absorber-based multisensor applications using a meander-line resonator
Akgöl, Oğuzhan; Altıntaş, Olcay; Dalkılınç, Elif Eda; Ünal, Emin; Karaaslan, Muharrem; Sabah, Cumali (Society of Photo-Optical Instrumentation Engineers, 2017)A metamaterial (MTM) absorber-based multifunctional sensor is numerically and experimentally realized using meander-line resonators. The proposed sensor device can be used to measure pressure, density, and humidity with ... -
Metamaterial sensor application concrete material reinforced with carbon steel fiber
Dalgaç, Şekip; Karadağ, Faruk; Ünal, Emin; Özkaner, Vedat; Bakır, Mehmet; Akgöl, Oğuzhan; Sevim, Umur Korkut; Delihacıoğlu, Kemal; Öztürk, Murat; Karaaslan, Muharrem; Sabah, Cumali (World Scientific Publ Co Pte Ltd, 2020)In this paper, a rectangular split ring resonator-type metamaterial (MTM) sensor application is demonstrated in order to examine concrete materials. First, different types of concrete materials including carbon steel fiber ... -
Metamaterial Sensor for Transformer Oil, and Microfluidics
Bakır, Mehmet; Karaaslan, Muharrem; Karadağ, Faruk; Dalgaç, Şekip; Ünal, Emin; Akgöl, Oğuzhan (Applied Computational Electromagnetics Society (ACES), 2019)Metamaterial sensor which is composed of split square rings to operate in X band for liquid and microfluidics has been proposed in this study. For measurement and simulation, we have designed and manufactured a sample ... -
Metamaterial-based energy harvesting for GSM and satellite communication frequency bands
Bakır, Mehmet; Karaaslan, Muharrem; Karadağ, Faruk; Ünal, Emin; Akgöl, Oğuzhan; Alkurt, Fatih Özkan; Sabah, Cumali (SPIE - Society of Photo-Optical Instrumentation Engineers, 2018)A metamaterial-based energy harvesting structure has been designed and experimentally tested in this study. The proposed structure has square and split ring resonators placed in different angles on the back and front sides ... -
Metamaterial-based multifunctional sensor design for moisture, concrete aging and ethanol density sensing applications
Akgöl, Oğuzhan; Ünal, Hatice (World Scientific Publishing Co. Pte Ltd, 2018)We have designed and developed a metamaterial (MTM)-based multipurpose sensor structure capable of sensing moisture, liquid (ethyl alcohol-ethanol-in our case) density in pure water and the concrete aging. The structure ... -
Microfluidic sensor applications by using chiral metamaterial
Dalgaç, Şekip; Bakır, Mehmet; Karadağ, Faruk; Karaaslan, Muharrem; Akgöl, Oğuzhan; Ünal, Emin; Sabah, Cumali (World Scientific Publishing Company, 2020)Chiral metamaterial-based sensor is designed for sensing the change in substance ratio of chemical substances when combined with distilled water. These samples have been prepared with 10%, 50% and 90% volume fraction of ...
