Browsing by Department "Nükleer Enerji Mühendisliği"
Now showing items 1-20 of 33
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1x3 Düzenindeki Ayıraçlı Bir Yakıt Demetinde Akışın Türbülans Karakteristiklerinin Hesaplamalı Akışkanlar Dinamiği Metoduyla İncelenmesi
(Fen Bilimleri Enstitüsü, 2018-06-27)In nuclear reactor analysis, understanding the effects of spacer grids on flow have an important place in determining the reactor thermal-hydraulic performance and ensuring that reactor works under reliable operating ... -
A Review of Traditional Knowledge on Foods and Plants Supposed to Increase Lactation in Pregnant Women: A Descriptive Study
(African Networks Ethnomedicines, 2016)Background: While both the proportion of infants exclusively fed breast milk and the duration of suckling increased worldwide and in Turkey, the addition of another product to breast milk in the first six months of the ... -
Basınçlı Su Reaktör Kabının Favor (Fracture Analysis Of Vessels Oak Ridge) Kodu ile Yapısal Analizinin Yapılması
(Fen Bilimleri Enstitüsü, 2018-11-13)Pressure vessels are the most important components of nuclear reactors in the view of protecting its integrity. In the past 30 years there have been a great development and innovative studies about the fracture mechanics ... -
Cobra-Tf Yazılımı ile Soğutucu Kaybı Kazasında Akışın Yeniden Sağlanması Fazının Modellenmesi ve Model Belirsizliklerinin İncelenmesi
(Eğitim Bilimleri Enstitüsü, 2019)Best estimate codes used in the safety analysis, licensing, research and development fields frequently are cost efficient, quick and reliable tools. For these codes which are widely used by the industry, universities and ... -
Collectively Induced Many-Vortices Topology Via Rotatory Dicke Quantum Phase Transition
(Iop Publishing Ltd, 2016)We examine the superradiance of a Bose-Einstein condensate pumped with a Laguerre-Gaussian laser of high winding number, e.g., l = 7. The laser beam transfers its orbital angular momentum (OAM) to the condensate at once ... -
Dijital Çakışma Sayım Yönteminin Geliştirilmesi ve 4pi-Beta-Gama Sayım Sisteminde Karmaşık Bozunma Şemalı Belirli Radyoizotoplara Uygulanması
(Fen Bilimleri Enstitüsü, 2019)The methods of data acquiring and processing in the 4πβ-γ coincidence counting systems for radionuclide standardization have been employed by using analogue electronic modules for decades. Since the supply and maintenance ... -
Dinamik Monte Carlo Tekniği İle Zamana Bağlı Nükleer Reaktör Analizi
(Fen Bilimleri Enstitüsü, 2020-09-02)In this study, a detailed non-analog Dynamic Monte Carlo (DMC) methodology is provided and used to investigate the transient analysis of nuclear systems. The validity of the given methodology is demonstrated by solving a ... -
Düzleştirici Filtresiz Tedavi Sistemleri İçin Kalem Huzme Kerneli Geliştirilmesi
(Fen Bilimleri Enstitüsü, 2019-01-18)Pencil beam algorithm is a fast and accurate method for dose computation at Radiotherapy. This algorithm was developed for filtered x-ray energies. The aim of this study was developing pencil beam kernels by utilizing x-ray ... -
Electrical Performance Of Inas/Alsb/Gasb Superlattice Photodetectors
(Academic Press Ltd- Elsevier Science Ltd, 2016)Temperature dependence of dark current measurements is an efficient way to verify the quality of an infrared detector. Low dark current density values are needed for high performance detector applications. Identification ... -
Engineering Nonlinear Response Of Nanomaterials Using Fano Resonances
(Iop Publishing Ltd, 2014)We show that nonlinear optical processes of nanoparticles can be controlled by the presence of interactions with a molecule or a quantum dot. By choosing the appropriate level spacing for the quantum emitter, one can either ... -
Gibbs Free Energy Assisted Passivation Layers
(Spie-Int Soc Optical Engineering, 2016)Reduction of surface leakage is a major challenge in most photodetectors that requires the elimination of surface oxides on etched mesas during passivation. Engineering the passivation requires close attention to chemical ... -
Green'S Function, Temperature In A Convectively Cooled Sphere With Arbitrarily Located Spherical Heat Sources
(Elsevier Science Inc, 2009)Steady state heat conduction in a convectively cooled sphere having arbitrarily located spherical heat sources inside is treated with the method of Green's function accompanied by a coordinate transform. Green's function ... -
Heat Conduction In Convectively Cooled Eccentric Spherical Annuli A Boundary Integral Moment Method
(Vinca Inst Nuclear Sci, 2017)In this paper heat conduction equation for an eccentric spherical annulus with the inner surface kept at a constant temperature and the outer surface subjected to convection is solved analytically. Eccentric problem domain ... -
Hidrojenin Zircaloy-4 Alaşımının Mekanik Davranışı Üzerindeki Etkisinin İncelenmesi
(Fen Bilimleri Enstitüsü, 2020)Zirconium alloys are used as fuel cladding material in Light Water Reactors (LWR) and act as the first barrier to fission product release by physically separating uranium oxide fuel pellets and primary coolant. During ... -
Irıs Küçük Modüler Reaktörünün (Smr) Relap5/Scdapsım Sistem Kodu İle Modellenmesi
(Fen Bilimleri Enstitüsü, 2018)Due to many reasons such as its compact design, low initial investment costs, shorter installation times compared to conventional nuclear power plants, compatibility with nuclear disarmament treaty, compatibility of ... -
ISIL-NÖTRONİK ETKİLEŞİMLERİN URANYUM-TORYUM İÇEREN NÜKLEER YAKIT ELEMANLARININ TESİR KESİTLERİNE ETKİSİ
(Fen Bilimleri Enstitüsü, 2017-06)Neutron effective cross sections those define the interactions of neutrons with fuel elements are important parameters in defining operational and safety limitations of nuclear reactors. Hence, generation of these cross ... -
Isıl-Nötronik Etkileşimlerin Ve Nükleer Veri Kütüphanelerindeki Belirsizliklerin Nötronik Parametrelere Etkisi
(Fen Bilimleri Enstitüsü, 2017-06)Recently, investigation of effects of simplifications on nuclear models and used nuclear data libraries on calculation results have gained importance. Predicting uncertainties caused by these effects will provide more ... -
Isıl-Nötronik Etkileşimlerin Yakıt Elemanlarının Tesir Kesitlerine Etkisi
(Fen Bilimleri Enstitüsü, 2017)Accurate and precise neutronics calculations are important for reactor safety while defining safety limits for nuclear reactors. These calculations include the generation of neutron cross sections, as well. Some simplifications, ...
