DSpace@Çankaya

Başlık için Mühendislik Fakültesi listeleme

Başlık için Mühendislik Fakültesi listeleme

Sırala: Sıra: Sonuçlar:

  • Persisting challenges for performance-based building assessment 
    Bayhan, Beyhan; Kazaz, İlker; Gülkan, Polat (Springer, 2014-08)
    Intense research and refinement of the tools used in performance-based seismic engineering have been made, but the maturity and accuracy of these methods have not been adequately confirmed with actual data from the field. ...
  • Petrol flow pattern identification via data mining techniques 
    Ölçer, Naim; Elbasi, Ersin (2012-12)
    Nowadays, petrol is an important resource for whole world, researchers are working on several mathematical models for flow pattern identification. One previous study is to find characterization of reservoir modeling in ...
  • Phase changes in icosahedral 54-, 55-, 56-atom platinum clusters 
    Sebetçi, Ali; Güvenç, Ziya Burhanettin; Kökten, Hatice (2004-09)
    Using the Voter and Chen version of an embedded-atom model, derived by fitting simultaneously to experimental data both the diatomic molecule and bulk platinum, we have studied the melting behavior of free, icosahedral, ...
  • Phaseguide assisted liquid lamination for magnetic bead-based assays 
    Phurimsak, Chayakom; Yıldırım, Ender; Trietsch, Sebastiaan J.; Hankemeier, Thomas; Tarn, Mark D.; Pamme, Nicole; Vulto, Paul (2013)
    We demonstrate a simple, pump-free platform for performing rapid magnetic bead-based processes via their transfer through sequentially laminated liquid streams, made possible by the use of phaseguide technology. We have ...
  • Phaseguide assisted liquid lamination for magnetic particle-based assays 
    Phurimsak, Chayakom; Yıldırım, Ender; Tarn, Mark D.; Trietsch, Sebastiaan J.; Hankemeier, Thomas; Pamme, Nicole; Vulto, Paul (Royal Soc Chemistry, 2014)
    We have developed a magnetic particle-based assay platform in which functionalised magnetic particles are transferred sequentially through laminated volumes of reagents and washing buffers. Lamination of aqueous liquids ...
  • Phaseguides as tunable passive microvalves for liquid routing in complex microfluidic networks 
    Yıldırım, Ender; Trietsch, Sebastiaan J.; Joore, Jos; Van Den Berg, Albert; Hankemeier, Thomas; Vulto, Paul (Royal Soc Chemistry, 2014)
    A microfluidic passive valving platform is introduced that has full control over the stability of each valve. The concept is based on phaseguides, which are small ridges at the bottom of a channel acting as pinning barriers. ...
  • Phishing e-mail detection by using deep learning algorithms 
    Hassanpour, Reza; Doğdu, Erdoğan; Choupani, Roya; Göker, Onur (2018)
    Phishing e-mails are considered as spam e-mails, which aim to collect sensitive personal information about the users via network. Since the main purpose of this behavior is mostly to harm users financially, it is vital ...
  • Photodetector Engineering with Plasmonic Properties 
    Kurt, Hasan Furkan; Atabey, Tuğba Nur; Dereli, Onat Cavit; Salmanogli, Ahmad; Geçim, H. Selçuk (2021)
    In the article, the main goal is to study the effect of the plasmonic properties on the photocurrent generated by a photodetector. Fundamentally, a typical photodetector is designed and simulated using the finite element ...
  • Physical and Chemical Actions of Nano-Mineral Additives on Properties of High-Volume Fly Ash Engineered Cementitious Composites 
    Al-Najjar, Yazin; Yeşilmen, Seda; Al-Dahawi, Majeed; Sahmaran, M.; Yıldırım, G.; Lachemi, M.; Amle, L. (Amer Concrete INST, 2016-11)
    Unlike conventional concrete, the material design process for engineered cementitious composites (ECC) involves micromechanics-based design theory, paving the way for the use of high volumes of fly ash (HVFA) as a major ...
  • Physical optics approach to wave diffraction by a perfect electromagnetic conductor half-plane 
    Umul, Yusuf Ziya (2021-05)
    The scattering of electromagnetic plane waves by a perfect electromagnetic conductor is investigated. The method of physical optics is used for the analysis of the problem. The reflected fields by a whole-plane are taken ...
  • Physical optics based simple expressions for diffracted waves by transmissive half-planes 
    Umul, Yusuf Ziya (Elsevier GMBH, 2018-04)
    The diffracted fields by resistive and conductive half-screens, which transmit a portion of the incident wave and reflect the remaining part, are expressed in terms of simple expressions that are based on the diffraction ...
  • Physical optics scattering of waves by a half-plane with different face impedances 
    Umul, Yusuf Ziya (IEEE-Inst Electrical Electronics Engineers Inc, 2011)
    The theory of physical optics is extended for the diffraction problem of waves by a half-plane with different face impedances. The kernel of the modified theory of physical optics integral is expressed in terms of the ...
  • Physical optics theory for the diffraction of waves by impedance surfaces 
    Umul, Yusuf Ziya (Optical Soc Amer, 2011-02)
    The solution of the scattering problem of waves by a half-screen with equal face impedances, which was introduced by Malyughinetz, is transformed into a physical optics integral by using the inverse edge point method. The ...
  • Physical optics theory for the scattering of waves by an impedance strip 
    Umul, Yusuf Ziya (Elsevier Science Bv, 2011-04-01)
    The physical optics integral of the scattered waves by an impedance strip is derived by using the modified theory of physical optics. The surface currents of the physical optics integral, which was introduced for the ...
  • Physical optics theory of resistive surfaces 
    Umul, Yusuf Ziya (Elsevier Science Ltd, 2012-03)
    The physical optics current is obtained from the exact solution of the scattering problem of plane waves by a resistive surface. The edge point method is used for the determination of the physical optics surface current. ...
  • Physical optics-based diffraction coefficient for a wedge with different face impedances 
    Umul, Yusuf Ziya (Optical Soc Amer, 2018-03-20)
    A new diffraction field expression is introduced with the aid of the modified theory of physical optics for a wedge with different face impedances. First, the scattered geometrical optics fields are determined when both ...
  • Pi Control Of A Novel Power Converter By Using Heuristic Optimization 
    Tülay, Gencer; Karakaya, Mehmet; İskender, İres (2021-12)
    In this study, obtaining the PI control coefficients of a power converter using the heuristic optimization method was investigated. A new converter has been designed to increase the lifetime of the energy storage unit of ...
  • Pixel-based level of detail on hardware tessellated terrain rendering 
    Özek, Mehmet Ömer; Demir, Engin (2017)
    As the GPU's processing power has been improving much faster than the CPU's. the terrain rendering algorithms have evolved to use the graphics hardware as much as possible. One of the recently developed GPU-based Level of ...
  • Plasmonic Effect on Quantum-Dot Photodetector Responsivity 
    Salmanoğli, Ahmad; Gökçen, Dinçer; Geçim, H. Selçuk (2019-05-15)
    In this paper, we analyze and simulate the plasmonic effect on the quantum-dot photodetector responsivity. For this purpose, a plasmonic-based quantum-dot photodetector is designed in which a few quantum dots are embedded ...
  • Plasmonic System as a Compound Eye: Image Point-Spread Function Enhancing by Entanglement 
    Salmanogli, Ahmad; Geçim, H. Selçuk; Pişkin, Erhan (IEEE-INST Electrical Electronics Engineers INC, 2018-07-15)
    In this paper, we introduce a plasmonic system that can operate as a compound eye. Based on the advantages mentioned in some previous works for the compound eye, we designed a plasmonic system that contains faraway plasmonic ...