Bölüm "Mühendislik ve Doğa Bilimleri Fakültesi -- Makina Mühendisliği Bölümü" Makale Koleksiyonu için listeleme
Toplam kayıt 153, listelenen: 21-40
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A Comparative Study on the Effects of Different Thermochemical Coating Techniques on Corrosion Resistance of STKM-13A Steel
(Springer, 2018)The corrosion resistances of three different thermochemical coatings (grown using titanizing, boriding, and borotitanizing treatments) applied to STKM-13A steel surfaces were investigated. The coatings were characterized ... -
Comparison of different techniques for estimation of incoming longwave radiation
(Springer, 2020)Global warming and climate change have left developing countries fragile in terms of agricultural production, and this vulnerability is expected to increase in the near future. The surface energy budget approach is a ... -
Comparison of toluene and cyclohexane as a working fluid of an organic Rankine cycle used for reheat furnace waste heat recovery
(Inderscience Publishers, 2016)An organic Rankine cycle (ORC) is set up to recover waste heat from the flue gas of a reheat furnace. The calculations show that, under the same conditions, the gross power production, energy and exergy efficiencies are ... -
A comprehensive comparative energy and exergy analysis in solar based hydrogen production systems
(Elsevier, 2022)In the presented paper, energy and exergy analysis is performed for thermochemical hydrogen (H2) production facility based on solar power. Thermal power used in thermochemical cycles and electricity production is obtained ... -
Compressive strength prediction models for cementitious composites with fly ash using machine learning techniques
(Elsevier, 2021)In this study, it was proposed a novel prediction model to predict compressive strength of mortar samples having different properties. For this purpose, 8 different fly ashes were used in mortar mixture as a replacement ... -
Conceptual design analysis for a lightweight aircraft with a fuel cell hybrid propulsion system
(Taylor and Francis Inc., 2020)With the ever-growing aviation industry, energy researches on aviation have turned to renewable energy sources providing electric propulsion. Fuel cells are one of the most popular sources of power for electric vehicles ... -
Cu/Al levhaların sürtünme karıştırma kaynağında Taguchi metodu ile çekme mukavemeti ve sertlik için optimum kaynak parametrelerinin tahmini
(Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi, 2019)In this study, the effect of welding parameters on the performance characteristic in the friction stir welding of Cu/Al plates were experimentally investigated. Experiments were designed according to Taguchi L9 orthogonal ... -
Darbeli Laser-Malzeme Etkileşimi Sırasında Malzemedeki Sıcaklık Dağılımının Yarı Kinetik Teori ile Analizi
(Erzincan Üniversitesi Fen Bilimleri Enstitüsü, 2019)Günümüzde teknolojinin gelişimi ile imalat sanayisinde laserin kullanımı, düşük maliyet ve yüksek hassasiyetten dolayı önem kazanmaktadır. Laser-metal etkileşimi sırasında malzemeye olan ısı transferi ve sıcaklık dağılımı ... -
Deep neural network approach to estimation of power production for an organic Rankine cycle system
(Springer, 2020)In this study, the possibility of using Stepwise multilinear regression and deep learning models to estimate the behaviour of the organic Rankine cycle (ORC) has been investigated. It was found that a number of parameters ... -
Designing and exergetic analysis of a solar power tower system for Iskenderun region
(Inderscience Publishers, 2019)In this paper, a steam cycle assisted solar tower power system is designed and parametrically optimised for Iskenderun region by considering the weather conditions. After the optimisation, exergy-based analysis of the ... -
Designing, Modeling and Simulation of Solid Fuel Rocket ALP-01
(Avrupa Bilim ve Teknoloji Dergisi, 2019)In this study the design of solid-fuel low-altitude rocket ALP-01 CAD has been optimized for the selected engine of rocket sizes foran altitude of 1500 meters. Parabolic type was preferred as the cone geometry. The length ... -
A Desirability-Based Solution Search Method for Sequential Optimization of the Hot Rolling Process
(American Society of Mechanical Engineers (ASME), 2023)Although it is an old technique, research on the hot rolling process maintains its importance because of its widespread usage in steel production and its requirement for a vast amount of resources, especially energy. The ... -
Detection of underway gaps in rail systems by simulative and experimental methods
(SAGE Publications, 2023)In this study, simulation and experimental studies have been carried out to determine the gaps formed under the rail line in rail transportation. In the simulations, where the analyzes are carried out with the finite element ... -
Determination of Barreling of Aluminum Solid Cylinders During Cold Upsetting Using Genetic Algorithm
(UNIV FED RIO DE JANEIRO, LAB HIDROGENIO, 2019)This study presents Genetic Programming models for the formulation of barreling of aluminum solid cylinders during cold upsetting based on experimental results. The maximum and minimum radii of the barreled cylinders having ... -
Determination of heat transfer coefficient and electromagnetic directional analysis of pomegranate seed
(International Advanced Researches and Engineering Journal, 2019)As Turkey uses about 25.7% of energy consumption in residential area and doing this with natural gas imported from the abroad, production of efficient insolation materials is important to decrease energy dependence and ... -
Determinations of in-situ energy loss factors of point-connected composite plates
(Elsevier, 2016)Statistical energy analysis is a widely used high frequency vibro-acoustic analysis tool. It is based on power flow balance between subsystems. Its accuracy mainly depends on precise determination of energy loss factors. ... -
Developing finger joint biomechanics through a dynamic hand model
(ICE Publishing, 2022)The human hand is one of the main limbs in maintaining daily life activities. It functions as an interface between the outside world and the brain, such as in positioning, moving, touching, feeling and grasping objects. ... -
Dry sliding wear behavior of bonded hot-work tool steel at elevated temperatures
(Elsevier Science, 2017)In the present study, the surface of AISI H13 hot-work tool steel was bonded with EKabor II powders using powder pack-bonding method. The process was carried out at 800,900 and 1000 degrees C temperatures for 2,4 and 6 h ... -
Effect of boronizing on microstructure, high-temperature wear and corrosion behavior of additive manufactured Inconel 718
(Elsevier, 2022)In this study, Ni-based Inconel 718 coatings were additively manufactured on the surface of AISI H13 work tool steel by electro-spark deposition (ESD). Some of the electro-spark deposited samples were boronized at 1000 ? ... -
Effect of borotitanizing on microstructure and wear behavior of Inconel 625
(Elsevier, 2017)Inconel 625, a nickel-based superalloy, is used in a wide range of applications including the marine and petroleum industries under where it is subjected to harsh conditions such as high temperatures and highly corrosive ...