Yazar "RTEÜ, Mühendislik ve Mimarlık Fakültesi, Enerji Sistemleri Mühendisliği Bölümü" için Scopus İndeksli Yayınlar Koleksiyonu listeleme
-
Adaptive neuro-fuzzy interference system modelling for chlorpyrifos removal with walnut shell biochar
Tulun, Şevket; Akgül, Gökçen; Alver, Alper; Çelebi, Hakan (Elsevier, 2021)Accumulation of chlorpyrifos (CP), a pesticide, causes a significant environmental problem in food, surface/ground waters further to human health. The removal of the CP pollutant in surface/wastewater could be achieved by ... -
Ag seed layer effects on SnO2 thin films for triboelectric devices
Yüzüak, Ercüment; Yüzüak, Gizem Durak (Elsevier, 2023)Materials with triboelectric properties are critical to boosting the efficiency of triboelectric nanogenerators (TENG) by gathering power from waste force and mechanical movement. In this study, we explored tin-oxide (SnO2) ... -
Anomalous magnetoresistance and Hall effect in amorphous Pt/TbFeCo thin films
Yüzüak, Ercüment; Yüzüak, Gizem Durak; Ennen, Inga; Huetten, Andreas (Elsevier, 2022)Among the magnetic materials in technological usage, amorphous rare-earth transition metal (RE-TM) alloys are of great interest due to their adjustable magnetic properties and favorable perpendicular magnetic anisotropic ... -
Biochar modification to enhance sorption of inorganics from water
Sizmur, Tom; Fresno, Teresa; Akgül, Gökçen; Frost, Harrison; Moreno-Jimenez, Eduardo (Elsevier Sci Ltd, 2017)Biochar can be used as a sorbent to remove inorganic pollutants from water but the efficiency of sorption can be improved by activation or modification. This review evaluates various methods to increase the sorption ... -
Biochar-iron composites as electromagnetic interference shielding material
Akgül, Gökçen; Demir, Burak; Gündoğdu, Ayşenur; Türk, Ahmet Serdar; Sözer, Sözer (Iop Publishing Ltd, 2020)Electromagnetic waves emitted by electrical and electronic devices constitute interference with each other, which becomes a problem for security devices, space vehicles, ships, electronics or even human beings. Electromagnetic ... -
Change in heating energy requirements for various interior space temperatures: A case study of Karabuk
Ertürk, Mustafa; Alevay Koçyiğit, G.; Çay, Yusuf; Coşkun, Can; Oktay, Zuhal (0-Belirlenecek, 2013)In this study, the effect of indoor temperature for heating on reduction of heating load in Karabuk province was studied for various cases. The potential heating degree-hour values for Karabuk are utilized by using average ... -
Chemically exfoliated refined carbon from industrial tea waste for capacitive energy storage
Güngör, Ahmet; Akgül, Gökçen; Bakan Mısırlıoğlu, Feray; Erdem, Emre (Institute of Physics, 2024)Graphitic carbon materials, renowned as favored energy storage materials, offer exceptional features such as a high surface area, customizable surface functionality, stability, and durability and have been extensively ... -
Cold substrate method to prepare plasmonic Ag nanoparticle: deposition, characterization, application in solar cell
Nevruzoğlu, Vagif; Bal Altuntaş, Derya; Tomakin, Murat (Springer Heidelberg, 2020)In this study, the surface plasmon effects of the Ag nanoparticle were investigated depending on the substrate temperature and coating time. Deposition procedure for the Ag coating was the vacuum deposition at low substrate ... -
Comparative investigation of different types of expanding micro-pin-fin heat sinks at low mass flux
Markal, Burak; Kul, Beyzanur; Aydın, Orhan (Elsevier, 2023)Expansion of cross-sectional area of flow passages in micro-pin-fin heat sinks provides advantages due to suppression of bubble-confinement problem. However, low mass flux in addition to orientation of fins and existence ... -
Comparing advanced exergetic assessments of two geothermal district heating systems for residential buildings
Keçebaş, Ali; Coşkun, Can; Oktay, Zuhal; Hepbaşlı, Arif (Elsevier Science Sa, 2014)Advanced exergy analysis method has been increasingly utilized in analyzing and assessing the performance of energy-related systems in recent years due to more deeply investigating the exergy destructions. in this study, ... -
Çoklu ardışık DFBÇ vericilerine ait belirsizlik fonksiyonunun pasif algılama uygulamaları için incelenmesi
Karanfil, Büşra; Tüysüz, Burak; Başaran, Doğan (Ieee, 2017)Passive radars are systems that do not have a transmitter of their own but can detect and track targets using "transmitters of opportinuity" in the environment. Particularly in recent years, the work in this area has gained ... -
Effect of a new type staggered pin fin configuration on flow boiling characteristics of micro-heat sinks
Markal, Burak; Kul, Beyzanur (Springer, 2023)Flow boiling in micro-pin fn structured heat sinks is an up-to-date thermal management technique. However, due to microsized fow passages, bubble blockage is a problem for this type of heat sinks, too. In addition, mixing ... -
The effect of heat treatment on the FeCo phase in Tb-Fe-Co thin films
Yüzüak, Ercüment; Yüzüak, Gizem Durak; Hütten, Andreas (Elsevier, 2021)Investigation of the magnetic behavior of nanostructured Tb-Fe-Co thin films before and after heat treatment below and above Fe-Co phase crystallization temperature has explored by electron microscopy (SEM), X-ray diffraction ... -
The effect of the substitution of Cu for Mn on magnetic and magnetocaloric properties of Ni50Mn34In16
Kaya, Melike; Yıldırım, Sema Koç; Yüzüak, Ercüment; Dinçer, İlker; Ellialtıoğlu, Recai; Elerman, Yalçın (Elsevier Science Bv, 2014)The influence of Cu substitution for Mn on magnetic and magnetocaloric properties has been investigated in Ni50Mn34-xCuxIn16 (x=1.3 and 1.6) Hensler alloys by using calorimetric and magnetic measurements. the temperature ... -
Effects of Na doping on CdS thin films and n-CdS/p-Si solar cells via chemical bath deposition method
Nevruzoğlu, Vagif; Tomakin, Murat; Keskenler, Eyüp Fahri; Öztürk, Göktürk (Korean Assoc Crystal Growth, Inc, 2017)Un-doped and Na doped CdS thin films were deposited by chemical bath deposition method. the effects of Na doping on structural, optical and electrical properties of CdS thin films and n-CdS/p-Si heterojunction were ... -
Effects of size reduction on the magnetic and magnetocaloric properties of NdMn2Ge2 nanoparticles prepared by high-energy ball milling
Kaya, Melike; Rezaeivala, Majid; Yüzüak, Ercüment; Aktürk, Selçuk; Dinçer, İlker; Elerman, Yalçın (Wiley-V C H Verlag Gmbh, 2015)A nanostructured NdMn2Ge2 sample is prepared by a high-energy ball-milling technique. the structural and magnetic properties of ball-milled nanopowder have been studied by high-resolution transmission electron microscopy ... -
Electrochemical energy storage capacity of surface engineered renewable carbon derived from Industrial tea waste by HNO3 and K2CO3
Akgül, Gökçen; Oskay, Kürşad Oğuz; Buldu Aktürk, Merve; Karamustafa, Ayşenur; Sözer, Sözer; Maden, Tuğba Bolat; Erdem, Emre (Pleiades Publishing, 2023)Direct electrical energy storage by supercapacitors is the leading energy storage technology. The performance of supercapacitors depends mainly upon the electrode material constituents. Carbon is the preferred energy storage ... -
Energy analysis of hydrogen production from a hybrid wind turbine-electrolyzer system
Akyüz, Ersin; Oktay, Zuhal; Dinçer, İbrahim (Springer International Publishing, 2014)In this study, the energy performance of hybrid wind-hydrogen system is investigated. In addition to energy performance, a cost analysis of hydrogen production is also carried out for stand-alone system for different PEM ... -
Enhancement of magnetocaloric effect in CoMn0.9Fe0.1Ge alloy
Yüzüak, Ercüment; Dinçer, İlker; Elerman, Yalçın; Dumkow, I.; Heger, Beate; Emre, Süheyla Yüce (Elsevier Science Sa, 2015)The magnetic and magnetocaloric properties of CoMn0.9Fe0.1GeCoMn0.9Fe0.1Ge alloy has been investigated by using of electron microscopy, X-ray diffraction, calorimetric, heat capacity and magnetic measurements. the substitution ... -
Enhancing label-free biosensing with cryogenic temperature-induced plasmonic structures
Nevruzoğlu, Vagif; Tomakin, Murat; Manir, Melih; Demir, Selçuk; Beriş, Fatih Şaban; Çetin, Arif E. (Springer, 2023)Plasmonic nanoparticles exhibit distinct nearfield properties that offer potential advantages for label-free biosensing applications. By generating strong interactions between light and matter, these nanoparticles can be ...