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Recent Submissions

Anodization of 316L stainless steel for implant applications
Erdoğan, Yaşar Kemal; Ercan, Batur (2021-06-10)
Huff’n Puff EOR Optimization by using different cyclic gases in unconventional shales
Temizel, Cenk; Canbaz, Celal Hakan; Aydın, Hakkı; Kudrashou, V.; Wu, J.; Haeri, F.; Unal, Y.; Nurlybayev, N. (European Association of Geoscientists & Engineers; 2021-4-1)
Increasing global trend of unconventional production impelled the oil and gas companies to adapt the EOR mothods to unconventionals to increase the recovery. In this study, a deep review of cyclic gas (Natural Gas, CO2, N2...
A Deep Investigation of EOR/EGR and Stimulation Enhancement Methods in Unconventional Reservoirs
Temizel, C.; Canbaz, C.; Aydın, Hakkı; Wijaya, Z. (European Association of Geoscientists & Engineers; 2021-4)
Production from Unconventional structures is being expected to be the future trend of oil and gas industry. Although the primary recovery values range between 5 to 8%, liquid-rich shale structures has great amount of hydro...
Changing Casing-Design of New Geothermal Wells in Western Anatolia for Adapting to the Changes in Reservoir Conditions
Aydın, Hakkı; Merey, Şükrü (2021-2)
The traditional casing-design of geothermal wells in Western Turkey is no longer cost-effective and shortening wells’ production lifetime. The current reservoir conditions are much different from their initial values. Sign...
Artificial Lifting in Liquid Dominated High-Temperature Geothermal Fields in Turkey: Lessons Learned
Aydın, Hakkı; Akın, Serhat; Tüzen , Mahmut Kaan; Şentürk, Erdinç (2021-2)
Due to the attractive feed-in-tariff mechanism, Turkish geothermal producers operate geothermal power plants at their maximum capacity. As a result, many geothermal reservoirs in Turkey have been exploited with an aggressi...
The evaluation of various designs for Ytterbium doped fiber based superfluorescent source at 1µm wavelength
Keskin, Huzur; Vural, H.A.; Alaçakır, E.; Altan, Hakan (2021-01-01)
© 2021 SPIE.The development of powerful sources with wide spectral coverage is important for many sensing applications. In this paper, various superfluorescent fiber sources (SFS) at 1µm Wavelength using Ytterbium doped (Y...
Atik, Ali Can; Yıldırım, Ender; Külah, Haluk (null; 2020-10-04)
We investigated the cell focusing performance of a CEA type microchannel, which comprises several throttles connecting circular wells in a zigzag arrangement. By obtaining the spatial distribution of the lift force using d...
Evaluation of Potential Impact of Logistics Centers on Rail Freight Sector in Turkey
Cebeci, Alper; Dalkıç Melek, Gülçin; Tüydeş Yaman, Hediye (2020-09-25)
Value of Time Evaluation of High Speed Railway Users in Turkey
Dalkıç Melek, Gülçin; Tüydeş Yaman, Hediye (2020-09-25)
Cost Function Determination for a WIG in Predefined Path and Height Using Conjugate Gradient Method
Shabani, Raha; Nalçacı, Gamze; Leblebicioğlu, Mehmet Kemal; Ermiş, Muammer (2020-07-01)
© 2020 IEEE.Wing in ground effect vehicles (WIG) is the sort of land and water capable of flying right upfront closeness of ground, utilizing the streamlined association between the wings and the ground (Ocean or Earth sur...
Estimation of Wake Induced Power Loss in Wind Turbines Using Actuator Line Model
Önel, Hüseyin Can; Tuncer, İsmail Hakkı (2020-06-15)
The Behaviour of Neuro-2A Cells on Silicon Substrates with Various Topographies Generated by Femtosecond Laser Micromachining
Mingu, Sara; Pavlov, Ihor; Son, Çağdaş; Bek, Alpan (SCITEPRESS; 2020-2-24)
The interaction of neural cells with silicon surfaces is important for basic research as well as for various possible applications, such as silicon-based neural implants and neurochips. Laser structuring of silicon provide...
Preliminary results in evaluating the pleasantness of an interviewing candidate based on psychophysiological signals
Arı, Fikret; Avenoğlu, Bilgin; İleri, Fatih; Erkuş, Ekin Can; Hacıhabiboğlu, Hüseyin (null; 2020-01-13)
Job openings are getting scarce, as the number of applicants are increasing. Evaluation of job interviews is a serious burden for the human resource departments. Automatic evaluation of candidates applying for jobs is an i...
Modeling and Implementation of an Adaptive Facade Design for Energy Efficiently Buildings Based Biomimicry
Nalcaci, Gozde; Nalçacı, Gamze (2020-01-01)
In the present and future, the buildings more qualified and energy saved to their inevitable surroundings has turned into a need and turn into a critical research point. To accomplish total decarbonization inside the build...
Feature extraction of hidden oscillation in ECG data via multiple-FOD method
Purutçuoğlu Gazi, Vilda; Erkuş, Ekin Can (null; 2019-10-30)
Fourier transform (FT) is a non-parametric method which can be used to convert the time domain data into the frequency domain and can be used to find the periodicity of oscillations in time series datasets. In order to det...
Assessment of Longevity Risk on PensionFunds: Credibility Approach
Yıldırım Külekci, Bükre; Kestel, Ayşe Sevtap (null; 2019-10-28)
Over the last 100 years, there has been a steady decline in mortality rates. With the unexpected decrease in death rates; variability in the age of death declined and deaths are concentrated to the older years of life, the...
A Single-Layer Dielectric Metasurface Enabling Wave Incidence Direction Control
Ansari, Muhammad Afnan; Mehmood, Muhammad Qasim; Kim, Inki; Waseem, Muhammad Hamza; Tauqeer, Tauseef; Yerci, Selçuk; Rho, Junsuk (2019-09-20)
Multi-layer three-dimensional (3D) metamaterials have emerged as a platform to realize multifunctional chiral devices such as for asymmetric transmission. However, the alignment and fabrication methods of 3D chiral metamat...
An Experimental Study on Decomposition: Process First or Structure First?
Çetinkaya, Anıl; Süloğlu, Selma; Kaya, Muhammed Çağrı; Karamanlıoğlu, Alper; TOKDEMİR, GÜL; Doğru, Ali Hikmet (2019-07-04)
Detection of hidden patterns in time series data via multiple-time FOD method
Erkuş, Ekin Can; Purutçuoğlu Gazi, Vilda (2019-06-23)
The periodicity in time series data can be detected by several frequency domains’ methods, especially, by the Fourier transform (FT). FT is a non-parametric method to convert the time domain data into the frequency domain...
Helicity-Multiplexed Hologram via All-Dielectric Metasurface in the Visible Domain
Ansari, Muhammad Afnan; Mehmood, Muhammad Qasim; Waseem, Muhammad Hamza; Kim, Inki; Mahmood, Nasir; Tauqeer, Tauseef; Yerci, Selçuk; Rho, Junsuk (2019-05-01)
A transmission type helicity-multiplexed metasurface hologram is demonstrated at wavelength of 633 nm using low loss hydrogenated amorphous silicon to achieve the pragmatic features of metasurfaces in the integrated photon...
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