Başlık için Makine Mühendisliği Bölümü Koleksiyonu listeleme
Toplam kayıt 76, listelenen: 27-46
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Ibragimov-Gadjiev operators based on q-integers
(Pushpa Publishing House, 2018)In this paper, we define the q-analogue of the generalized linear positive operators introduced by Ibragimov and Gadjiev in 1970. We study some approximation properties of these new operators, and we show that this sequence ... -
Improved performance of D149 dye-sensitized ZnO-based solar cell under solvents activation effect
(Springer, 2023)The various solvents (2,2,2-Trifluoroethanol, 1-propanol, Ethanol and Acetonitrile) effect to improve performance of D149 dye-sensitized ZnO-based solar cells predicted using a quantum mechanical model are investigated. ... -
An Integrated Approach to Increase Marine Transportation Safety in Harbor Areas
(Marine Technology Soc Inc, 2017)The importance of marine transportation safety in harbors and waterways access has become a very serious governmental concern in recent years, with the holding of special conferences on major marine disasters, increasing ... -
An integrated model for estimating energy cost of a tidal current turbine farm
(Pergamon-Elsevier Science Ltd, 2011)A tidal current turbine is a device for harnessing energy from tidal currents and functions in a manner similar to a wind turbine. A tidal current turbine farm consists of a group of tidal current turbines distributed in ... -
Investigating the influence of tool shape during FSW of aluminum alloy via CFD analysis
(Chinese Inst Engineers, 2016)This paper describes the application of the CFD code, Comsol Multiphysics, to modeling the 3-D metal flow in friction stir welding of AA 2024-T3 aluminum alloy in order to investigate the influence of tool shape over the ... -
INVESTIGATING THE THERMAL AND STRUCTURAL RESPONSES IN HARD-FACING APPLICATION WITH THE GTAW PROCESS
(Institute of Mechanics, 2021)The gas tungsten arc welding (GTAW) process is an excellent way of performing quality hard-facing applications. The residual stresses and distortions are encountered in hard-facing. There are several methods to decrease ... -
Investigation of formability of HC380LA material via the TPIF-RL incremental forming method
(Taylor & Francis Ltd, 2020)Prototype parts can be produced rapidly and at low cost using the incremental forming method. The most important problem with this method is that it causes undesirable variations in wall thickness. Various methods have ... -
Investigation of optoelectronic properties of half-Heusler KZnN and KZnP compounds
(Sociedad Mexicana de Fisica, 2023)This is to investigate the structural, mechanical, electronic and optical properties of half-Heusler KZnN and KZnP compounds. The ab initio method based on density functional theory is employed. The study of structural ... -
Investigation of wind energy and its impact on sustainability: Jordan as a model
(Taylor's University, 2023)There are interests in renewable energy. Additionally, there is an official promoting and investing in renewable energy like wind energy especially in Jordan. Therefore, it is aimed to assess the renewable energy resources, ... -
Kademeli Kayar Artımlı Şekillendirme Yöntemi ile Parça Üretiminin Optimizasyonu
(2020)Bu çalışmada kayar artımlı şekillendirme metodu kullanılarak,farklı açı artımlarıyla,kademeli şekillendirme yapılarak duvar açısı dik olan parçanın üretimoptimizasyonu yapılmıştır.Çalışma kapsamındasinyal/gürültü analizi ... -
Mathematical programming basis for ship resistance reduction through the optimization of design waterline
(Springer Japan Kk, 2017)It has been more than a decade since Calisal et al. (J Ship Res 46(3):208-213, 2002) presented their concept of wave resistance reduction by allowing an increase in the beam of a ship accompanied by smoothing the shoulders. ... -
Mid-infrared optical coherence tomography as a method for inspection and quality assurance in ceramics additive manufacturing
(Elsevier, 2022)In the past decade, significant progress has been made in ceramics additive manufacturing (AM). Material research and the rapid evolution of high-resolution printing technologies enabled the production of high-quality, ... -
Modeling of twin-turbine systems with vertical axis tidal current turbine: Part II-torque fluctuation
(Pergamon-Elsevier Science Ltd, 2011)We recently showed the advantage of using a numerical system to extract energy from tidal currents by developing a new twin-turbine model (Li and Calisal, 2010a). Encouraged by this result, we decided to use this model to ... -
Modeling of twin-turbine systems with vertical axis tidal current turbines: Part I-Power output
(Pergamon-Elsevier Science Ltd, 2010)Recent interest in the tidal current industry has driven development of the prototype from the stand-alone turbine to the twin-turbine system. In this paper, we develop a numerical model to systematically analyze the ... -
Multi Objective Design of Ships; A Pareto Procedure
(Springer Science and Business Media Deutschland GmbH, 2021)The design calculations for a displacement type vessel and for a planing hull are done for the main dimensions, starting with a fuel and acceleration criteria. A large number of vessels are simulated with the help of ... -
A New Heat Transfer Correlation For Oscillating Fluid Flow
(Vinca Inst Nuclear Sci, 2018)In this study, heat transfer under oscillating flow conditions has been investigated conducting a wide range of experiments using water as the flow medium. Experimental data have been reduced to obtain relevant heat transfer ... -
Numerical Investigation of the Effects of the Baffles Added in a Concentric Pipe Heat Exchanger
(Edizioni Ets, 2019)In this numerical work, the effects of baffles added in a Concentric Tube Heat Exchanger are studied, using a commercial software CFD (Computational Fluid Dynamics) package. The CFD model is made to grab all the physical ... -
Numerical modeling of friction stir welding using experimental temperature data
(Ice Publishing, 2020)In this study, time-dependent heat-transfer analysis of friction stir welding of AA 6061-T651 plates was carried out. For this purpose, the Comsol code was utilized, by which the domain was modeled as a rectangular aluminum ... -
Numerical simulation of pressure loss in porous media in oscillating flow
(World Scientific and Engineering Academy and Society, 2018)In this study, the pressure loss in two types of porous media for both unidirectional and oscillatory flows is analyzed using commercial software Comsol©. The numerical results are compared with those obtained in the ... -
Numerical simulation of transient heat transfer in friction-stir welding
(Edizioni Ets, 2018)In this numerical study, three dimensional transient heat transfer analysis of Friction Stir Welding of two 8mm-thick AA-6061-T651 (an aluminum alloy) slabs has been performed. The numerical tool is the commercial package ...