Başlık için Makine Mühendisliği Bölümü Koleksiyonu listeleme
Toplam kayıt 95, listelenen: 67-86
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Parabolization and structural integrity of side bulb applied to a platform supply vessel
(DTU Mechanical Engineering, Technical University of Denmark, 2016)The waterline parabolization is a hull form-optimization method, Calisal et al. (2002) reported a 10% decrease in the effective horse power at Fr = 0.275 for a coaster tanker. The present study was made for an oil platform ... -
Photoluminescence properties of Pr-doped LaAsO4: An experimental and theoretical study employing density functional theory
(Elsevier Ltd, 2024)Praseodymium doped lanthanum arsenate, denoted as La1-xPrxAsO4, has been synthesized with different concentrations of the dopant (x = 0.5 %; 1 %; 2 %; 3 % and 5 %) via the combustion method and their optoelectronic properties ... -
Photoluminescence properties of Pr-doped LaAsO4: An experimental and theoretical study employing density functional theory
(Elsevier Ltd, 2024)Praseodymium doped lanthanum arsenate, denoted as La1-xPrxAsO4, has been synthesized with different concentrations of the dopant (x = 0.5 %; 1 %; 2 %; 3 % and 5 %) via the combustion method and their optoelectronic properties ... -
Powering and seakeeping characteristics of a displacement hullform with waterline parabolization
(2010)Waterline parabolization is a design procedure used for displacement vessels to decrease the wave resistance of the hullform through the addition of amidships bulbs. The bow and shoulder wave system of a parent hullform ... -
A Practical Tool for Evaluating Refrigeration Systems Using R-134a
(2017)Bu teorik çalışmada R-134a (Tetrafloretan, klor içermeyen bir soğutucu akışkan) kullanılan buhar sıkıştırmalı soğutma çevrimi 100-200 kPa buharlaştırma basıncı aralığında, 0.8-1.6 MPa yoğuşturucu basıncı aralığında olmak ... -
Predicting air permeability and porosity of nonwovens with image processing and artificial intelligence methods
(Taylor & Francis Ltd, 2020)This study was conducted to investigate the relationship between the fiber distribution and the permeability properties of the hydroentangled nonwoven fabrics in terms of air permeability and porosity. The fiber distribution ... -
Production and characterization of recycled polyester (r-PET) blend vortex and ring spun yarns
(Taylor & Francis Ltd, 2020)Nowadays, many major fashion brands are now producing recycled polyester (r-PET) textile products from PET bottles to contribute to sustainability. Of course, this means that textiles containing r-PET will now be produced ... -
Pseudo Conharmonically Symmetric Spacetimes
(Univ Kragujevac, Fac Science, 2018)In the present paper, firstly, the definition of pseudo conharmonically symmetric Riemannian manifold is given. In the second section, some theorems about these manifolds are proved. In the third section, pseudo conharmonically ... -
A review of piezoelectric MEMS sensors and actuators for gas detection application
(Springer, 2023)Piezoelectric microelectromechanical system (piezo-MEMS)-based mass sensors including the piezoelectric microcantilevers, surface acoustic waves (SAW), quartz crystal microbalance (QCM), piezoelectric micromachined ultrasonic ... -
Second-order wave diffraction by horizontal rectangular barriers
(2011)A complete second-order analytical solution for the nonlinear diffraction of waves by 2-D rectangular cylinders fixed at the free surface of finite-depth waters is presented. As a sequel to a previous linear treatment of ... -
Selection of welding conditions for minimizing the residual stresses and deformations during hard-facing of mild steel
(Brodarski Institute, 2021)Hard-facing process is widely used for improving the wear resistance of mild steel. During the application of hard-facing, due to high temperatures, residual stresses and deformations may occur. The tensile residual stresses ... -
Separating Agricultural Goods with Image Processing and Fuzzy Inference Systems
(Springer Verlag, 2021)Fuzzy logic inference systems that give effective results about the model in systems that are difficult to establish a model; respectively, it starts with defuzzification the data structurally. Later, it enables the ... -
Spacetimes admitting the Z-symmetric tensor
(Natl Inquiry Services Centre Pty Ltd, 2020)This paper aims to introduce the spacetimes admitting the Z-symmetric tensor. We investigate the properties of these spacetimes for a perfect fluid and a pressureless perfect fluid (a dust). Some theorems about the properties ... -
Spin-charge separation in the quantum boomerang effect
(American Physical Society, 2024)We study the localization dynamics of a SU(2) fermionic wave packet launched in a (pseudo)random potential. We show that, in the limit of strong intercomponent repulsions, the total wave packet exhibits a boomeranglike ... -
Structural analysis and characterization of date palm fiber-based low-cost carbon nanotubes and nanostructured powder activated carbon
(Elsevier, 2023)The structural properties and characteristics of date palm fiber-based low-cost carbon nanotubes (CNTs) and nanostructured powder activated carbon (DP-NPAC) are investigated. The DP-NPAC and CNTs are prepared using an ... -
Structural, Elastic, Electronic, and Magnetic Properties of Nd-Doped NaScGe Half-Heusler Compound by Ab-Initio Method
(John Wiley and Sons Inc, 2024)A comprehensive investigation is conducted on the electronic structure and magnetic properties of half-Heusler NaScGe, which is doped with a rare earth element Nd with different concentrations. The Heusler Na1-xNdxScGe ... -
Sustainable Supplier Evaluation in an Automotive Company Using Fuzzy Multi-Criteria Decision-Making Methods
(World Scientific Publishing, 2022)Sustainable supplier management literature is mainly on sustainable supplier selection but sustainable supplier performance monitoring & evaluation studies are scarce. Furthermore, the studies do not differentiate the ... -
Sürtünme Karıştırma Kaynağı Yapılmış Alüminyum Alaşımlarının Isı Akışının Modellemesi ve Pratik Doğrulaması
(2017)Bu makalede AA 6061-T6 alüminyum alaşımının sürtünme karıştırma kaynağının Comsol Multiphysics 3.5a ile yapılan üç boyutlu modellemesi anlatılmıştır. Simülasyon kaynak edilecek iki alüminyum levhasını, kaynak takımını ve ... -
Synthesis and optical properties of II–VI semiconductor quantum dots: a review
(Springer, 2023)The unique architectures of semiconductor quantum dots (QDs) and one-dimensional (1D) nanostructures give rise to a fascinating array of optical and electronic properties, making them useful for numerous industrial and ... -
Synthesis, Characterization, and DFT Calculations of a New Sulfamethoxazole Schiff Base and Its Metal Complexes
(MDPI, 2023)A new Schiff base, 4-((1E,2E)-3-(furan-2-yl)allylidene)amino)-N-(5-methylisoxazol-3-yl) benzene-sulfonamide (L), was synthesized by thermal condensation of 3-(2-furyl)acrolein and sulfamethoxazole (SMX), and the furan ...