Başlık için Fakülteler listeleme
Toplam kayıt 1804, listelenen: 1666-1685
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A Theoretical Heat Transfer Model for Unidirectional Solidification of Pure Metals on a Coated Sinusoidal Mold with Constant Boundary Temperature
(Springer, 2019)A theoretical model is presented in this study for investigating the heat transfer problem during solidification of pure metals on a coated sinusoidal mold. The previous works are extended by considering effects of both ... -
A theoretical performance investigation of irreversible internal combustion engine named as Dual-Miller Cycle
(Yildiz Technical Univ, 2020)Internal combustion engines (ICEs) have harmful effects on the environment in terms of emissions. According to present emission regulations, reducing NOx emissions came into prominence. One of the techniques of reducing ... -
The Theoretical Value for the Tip Radius of Cracks and Notches
(Kauno Technologijos Universitetas, 2022)In this paper, an additional equation that can be used in conjunction with the Stress Intensity Factor is produced, enabling the determination of all critical fracture stresses, including tensile strength, from only one ... -
Thermal analysis and wear behavior of shell mold cast and graphite mold cast Mg-4Zn-(x)Zr alloys
(CSIC Consejo Superior de Investigaciones Cientificas, 2021)The grain refining effect of Zirconium (Zr) is known, nevertheless the effect of Zr amount and its effect on solidification and wear behavior of modified Mg-Zn alloys has not been adequately studied. Mg-4Zn-(x)Zr alloys ... -
Thermal Modeling and Performance Analysis for a Chevron Type Heat Exchanger by Using Artificial Neural Network with Limited Experimental Data
(Avrupa Bilim ve Teknoloji Dergisi, 2020)The problem of heat exchange between two or more fluids at different temperatures is one of the most important and most common problems of engineering applications. In order to solve this problem efficiently, the transfer ... -
A thermally stable and polarization insensitive square-shaped water metamaterial with ultra-broadband absorption
(Elsevier, 2021)In this paper, square-shaped water metamaterial is reported, which can be used as a perfect absorber for ultra-broadband absorption in the microwave frequency range. Computer Simulation Technology (CST) software was used ... -
Thermodynamic Analysis and Multi-Objective Optimization of Solar Heat Engines
(Springer, 2020)Detailed performance analysis for a thermal system using a generalized irreversible solar-driven heat engine model is performed. The heat engine (HE) model is formed by the first and the second laws of thermodynamics and ... -
Thermodynamic analysis of solid waste and energy consumption to reduce the effects of an electric arc furnace on the environment
(Inderscience Enterprises Ltd., 2019)In this study, thermodynamic analysis of an EAF was made to reduce solid wastes and energy consumptions. Then, the slag formation, quicklime consumption and daily energy consumption of the EAF were optimised for different ... -
Thermodynamic modeling of a seawater-cooled foldable PV panel system
(Springer, 2020)Solar-powered systems can supply clean and sustainable energy for both service requirements and also for the propulsion of marine vessels. However, the restricted available area for photovoltaic panels and high setup costs ... -
Thermoluminescence of hydroxyapatite from eggshell powders doped with Dy synthesized by the sonication chemical method: Effects of doping concentration and heating rate
(Elsevier, 2022)Hydroxyapatite (HAP) was selected as the host material and synthesized using a sonication chemical method. The effect of Dy3+ ion doping concentrations (0.25, 0.5, 1, 2, 3, 4, 5, 7, and 10 wt%) on the structure and ... -
Thermoluminescence properties of strontium doped magnesium tetraborate
(Elsevier, 2019)It is worth to continuous and systematic investigations related with magnesium tetraborate (MBO) due to its attractive candidate for dosimetric application. The study was done to develop new phosphor with adding strontium ... -
Thiadiazoloquinoxaline and benzodithiophene bearing polymers for electrochromic and organic photovoltaic applications
(Taylor & Francis Ltd, 2019)Two novel thiadiazoloquinoxaline and benzodithiophene (BDT) bearing copolymers were designed and synthesized. Different BDT units (alkoxy and thiophene substituted) were used as donor materials and the effect of alkoxy and ... -
Thiol disulfide homeostasis in primary dysmenorrhea
(Pharmamed Mado Ltd, 2022)Oxidative stress is defined as a result of the loss of balance between the production of free radical or reactive oxygen species and the antioxidant system. This study aimed to determine the level of thiol-disulfide ... -
Three-Channel Cost Function Based Artificial Bee Colony Algorithm for PID Tuning
(Avrupa Bilim ve Teknoloji Dergisi, 2020)Recently, interest in swarm intelligence optimization techniques (Particle Swarm Optimization, Genetic Algorithm, Tabu Research Algorithm, etc.) has increased and this issue has become the focus of attention especially for ... -
Ticari Dışa Açıklık-Doğrudan Yabancı Yatırımlar-Ekonomik Büyüme İlişkisi: BRICS-T Ülkeleri Örneği
(Bingöl Üniversitesi, 2022)Küreselleşme ile birlikte tüm dünyada sınırlararası hareket eden malların ve sermayenin hacmi artmıştır. Bu artıştan faydalanmak için ihracat odaklı büyüme ve doğrudan yabancı yatırımların girişini kolaylaştıran politikalar ... -
Time-thermo-dynamics of anti-Stokes and Stokes scattering and luminescence in 1-nm silicon nanoparticles: Toward an optical nanorefrigerator
(American Institute of Physics Inc., 2022)The thermodynamics of nanosystems is interesting, as they constitute the transition between the atomistic and solid states. This is empowered by the development of tools to manipulate individual atoms and perform atomistic ... -
Time-Varying Fractal Analysis of Exchange Rates
(Chaos Theory and Applications, 2023)The foreign exchange (forex) market is a dynamic and complex financial arena where the exchange rates of various currency pairs fluctuate continuously. Among these currency pairs, EUR/TRY and USD/TRY hold significant ... -
TiO2 Katkılı Elmas-Benzeri Karbon Filmlerin Yeni Bir Çözeltiden Üretilmesi ve Karakterizasyonları
(Zonguldak Bülent Ecevit Üniversitesi, 2022)Elmas-benzeri karbon (EBK) filmler gösterdikleri mekanik ve fiziksel özelliklerinden dolayı en çok çalışılan kaplama malzemeleridir. Bu filmlerin özelliklerinin iyileştirilmesi için üretim yöntemleri ve katkılanmaları ... -
TiO2 Nanopartikülü İle Fonksiyonelleştirilmiş Çok Duvarlı Karbon Nanotüpün Su Bazlı Sondaj Çamuruna Etkisinin Belirlenmesi: Deneysel Çalışma
(Iğdır Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2020)Bu çalışmada, su bazlı sondaj çamuruna (Na-Bentonit bazlı) fonksiyonelleştirilmiş karbon nanotüpün etkisinin tespiti amaçlanmıştır. Bu kapsamda su bazlı sondaj çamurları hazırlanmış ve kimyasal buhar biriktirme (CVD) yöntemi ... -
Tip 2 Diabetes Mellitusta Barsak Geçirgenliği Biyobelirteci Zonulin ile Diyabetik Retinopati Gelişimi Arasındaki İlişki
(Türk Oftalmoloji Dergisi, 2023)Amaç: Artmış barsak geçirgenliği (BG) ve barsak mikrobiyota disbiyozu, düşük dereceli kronik enflamasyondan sorumlu tutulmuştur. Düşük dereceli kronik enflamasyon, diyabetik retinopati (DR) patogenezinin altında yatan ...