Now showing items 230-249 of 369

    • Nanoakışkanlar ve güneş enerjili sıcak su sistemlerinde kullanımı 

      Atmaca, İbrahim; Koçak Soylu, Sezgi; Özdemir, Osman Samet; Asiltürk, Meltem (8. Güneş Enerjisi Sistemleri Sempozyumu ve Sergisi, 2019)
      Nanoakışkanlar en genel tanımıyla; nanometrik boyuttaki (1-100 nm) katı partiküllerin bir temel akışkan içerisinde dağıtılması ile oluşturulan akışkanlardır. Böyle bir yapı oluşturmaktaki amaç, ısıl iletkenliği temel ...
    • NATO ve yeni dünya düzeni 

      Oğuzlu, Tarık (Uluslararası İlişkiler Konseyi, 2019)
      Kurulduğu günden günümüze varlığını sürdüren NATO’nun çok-kutuplu dünya düzeninde ayakta kalıp kalamayacağı önemli bir soru. Kurumsal çatısı ve temel stratejik misyonu Soğuk Savaş yıllarında şekillenen NATO ilk ciddi ...
    • NATO-Rusya ilişkileri 

      Oğuzlu, Tarık (Uluslararası İlişkiler Konseyi, 2019)
      Kuruluş amacı Sovyetler Birliği’nden kaynaklanan varoluşsal güvenlik tehditlerini caydırmak olan NATO, Soğuk Savaşın sona ermesiyle Rusya Federasyonu’na yönelik nasıl politika izlemesi gerektiğini tam olarak kararlaştırabilmiş ...
    • The Nero bath of Patara 

      Koçak, Mustafa (Türkiye İş Bankası Kültür Yayınları, 2019)
      The Nero Baths of Patara are among the earliest Roman baths in Asia Minor. The building, located at the Agora, is currently being excavated. A total of three major construction phases have been identified: in a first period, ...
    • A neuro-fuzzy-based multi-criteria risk evaluation approach: a case study of underground mining 

      Ak, Muhammet Fatih (Springer, 2019)
      Underground mining is considered as one of the most hazard-prone industries, and serious work-related fatalities have arisen as a consequence of processes related to it; this chapter deals with occupational hazards and ...
    • Non-planar drive-sense coil structure for inductive MEMS microphones 

      Beyaz, Mustafa İlker (International Symposium on Advanced Engineering Technologies, 2019)
      MEMS technology offers major advantages for the development of microphones including a small footprint, low power consumption, high sound sensitivity and bandwidth. Capacitive, piezoelectric, and inductive microphones have ...
    • A non-resonant kinetic energy harvester for bioimplantable applications 

      Beyaz, Mustafa İlker; Baelhadj, Hacene; Habibiabad, Sahar; Adhikari, Shyam; Davoodi, Hossein; Badilita, Vlad (Micromachines, 2018)
      A linear non-resonant kinetic energy harvester for implantable devices is presented. The design contains a metal platform with permanent magnets, two stators with three-dimensional helical coils for increased power generation, ...
    • Number of design gyrations for 100 mm compacted asphalt mixtures modified with polypropylene 

      Tapkın, Serkan; Keskin, Mustafa (Journal of Engineering Research, 2018)
      There is no standard accepted by highway authorities on the compaction procedures of 100 mm diameter gyratory compactor specimens. In previous studies on gyratory compaction, the utilisation of either coring from 150 mm ...
    • Okul öncesi eğitimi için etkili mekan tasarımı 

      Izadpanah, Shirin; Günçe, Kağan; Şekerci, Yaren (Pegem Yayınevi, 2019)
      Today kindergartens are more than ever concerned about the integrating the requirements for children’ effective learning in designing the layout. Researches claim that preschoolers are in a constant learning and their ...
    • On an asymptotic-numerical hybrid method for solving singularly perturbed nonlinear delay differential equations 

      Cengizci, Süleyman; Kıroğlu, Ekrem (4th International Conference on Computational and Experimental Science and Engineering (ICCESEN-2017), 2017)
      Modelling automatic systems often involves the idea of control because feedback is necessary in order to maintain a stable state. But much of this feedback require a finite time to sense information and react to it. A ...
    • On an efficient hybrid method for solving singularly perturbed difference-differential equations exhibiting turning layer behavior 

      Cengizci, Süleyman; Kıroğlu, Ekrem (4th International Conference on Computational and Experimental Science and Engineering (ICCESEN-2017), 2017)
      Singularly perturbed differential equations that involve positive small perturbation parameter(s) 0<ɛ≪1 as the multiplier to the highest order derivative term are important concepts of mathematical and engineering sciences. ...
    • On conformal curves in 2-dimensional de sitter space 

      Şimşek, Hakan; Özdemir, Mustafa (Advances in Applied Clifford Algebras, 2016)
      In this paper, we examine the pseudo-spherical curves, which are equivalent to each other under the conformal maps preserving a fixed point in the de Sitter 2-space, by using the Clifford algebra Cl 2,1. Also, we find the ...
    • On focal curves of null Cartan curves 

      Şimşek, Hakan (Turkish Journal of Mathematics, 2017)
      The focal curve, which is determined as the locus of centers of osculating pseudo-spheres of a null Cartan curve, is investigated in Minkowski (n+2)-space Mn+2. Moreover, a curve called acceleration focal curve of a null ...
    • On the eigenvalues and eigenvectors of a lorentzian rotation matrix by using split quaternions 

      Özdemir, Mustafa; Erdoğdu, Melek; Şimşek, Hakan (Advances in Applied Clifford Algebras, 2014)
      In this paper, we examine eigenvalue problem of a rotation matrix in Minkowski 3 space by using split quaternions. We express the eigenvalues and the eigenvectors of a rotation matrix in term of the coefficients of the ...
    • One-dimensional finite element simulations for chemically reactive hypersonic flows 

      Cengizci, Süleyman (8th International Eurasian Conference on Mathematical Sciences and Applications (IECMSA-2019), 2019)
      Hypersonic vehicles are utilized in recent years massively for both military and civilian purposes. As the vehicles fly through an atmosphere at hypersonic speeds (generally considered as Mach>), they experience critical ...
    • Operations management for double-ended queues 

      Talay, Işılay (Izmir Katip Celebi University Faculty of Economics and Administrative Sciences, 2019)
      In this paper we have presented the double-ended queueing model with its generic form, abstract modeling extensions, different types of controls to be assumed by the management of the system, as well as optimization via ...
    • Optimal payment scheme selection in global supply chains 

      Talay, Işılay; Bayram, Orkun (EURO 2019 - Dublin Congress Board, 2019)
      Cross-border payments are one of the main terms in an international trade contract, and blockchain technology started to challenge the traditional intermediary channels for making such payments, e. g. the SWIFT network. ...
    • Optimal payment scheme selection in global supply chains 

      Talay, Işılay; Bayram, Orkun (EURO 2019 - Dublin Congress Board, 2019)
      Cross-border payments are one of the main terms in an international trade contract, and blockchain technology started to challenge the traditional intermediary channels for making such payments, e. g. the SWIFT network. ...
    • Optimal procurement and production planning for multi-product multi-stage production under yield uncertainty 

      Talay, Işılay; Özdemir Akyıldırım, Öznur (European Journal of Operational Research, 2019)
      Many products with several types are produced in more than one production stage subject to various potential complications, yield uncertainty being a very costly one. This study investigates the input procurement and ...
    • Optimal staffing of specialized programme trainees under uncertainty 

      Özdemir Akyıldırım, Öznur; Talay Değirmenci, Işılay (Journal of the Operational Research Society, 2015)
      We propose a stochastic model and provide an easy-to-implement optimization tool for admission decisions to specialized training programmes designed for service industries. The model can be applied for staffing of trainees ...