Makine Mühendisliği Bölümü Koleksiyonu: Recent submissions
Now showing items 341-360 of 374
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The effect of Total flowrate on the cooling performance of swirling coaxial impinging jets
(Springer, 2019)Thermal management ability of swirling coaxial confined impinging air jets (SCCIAJ) are experimentally studied for different total flowrate. the coaxial structure of the jet is provided by a nozzle which is a cylindrical ... -
Optimised performance of a thermally resistive PV glazing technology: An experimental validation
(Elsevier, 2019)Thermally resistive PV glazing (TRPVG), which is a recently developed technology for low/zero carbon buildings, is in the centre of interest worldwide as a consequence of multifunctional benefits of this novel product such ... -
Sustainable ventilation strategies in buildings: CFD research
(Elsevier, 2019)Developing technology and architectural design techniques have affected the field of architecture to a great extent. As a result, human comfort has become increasingly important in recent years. A natural ventilation cooling ... -
Influence of ventilation strategies on dispersion and removal of fine particles: An experimental and simulation study
(Taylor & Francis Inc, 2020)In this study, effect of inlet/outlet configurations on the dispersion and removal of fine particles are examined experimentally and numerically. Ten different inlet/outlet configurations are tested for three different ... -
Effect of grain refinement with titanium on the microstructure, mechanical and corrosion properties of Al-25Zn alloy
(Gazi Univ, Fac Engineering Architecture, 2020)In this study, one binary Al-25n alloys and eleven ternary aluminum-zinc-titanium alloys, Al-25Zn-0.01Ti, Al-25Zn-0.03Ti, Al-25Zn-0.04Ti, Al-25Zn-0.05Ti, Al-25Zn-0.075Ti, Al-25Zn-0.1Ti, Al-25Zn-0.2Ti, Al-25Zn-0.4Ti, ... -
Effect of different zinc contents on the structural, mechanical and tribological properties of EN AC-48100 (Al-17Si-4Cu-Mg) Alloy
(Gazi Univ, Fac Engineering Architecture, 2020)In this study, Al-17Si-4Cu-0.6Mg-0.2Ti which is based of the EN AC-48100 alloy, Al-17Si-4Cu-0.6Mg0.2Ti-1Zn, Al-17Si-4Cu-0.6Mg-0.2Ti-2Zn, Al- 17Si-4Cu-0.6Mg-0.2Ti-3Zn, Al-17Si-4Cu-0.6Mg-0.2Ti-4Zn and Al-17Si-4Cu-0.6Mg-0.2Ti-5Zn ... -
A review on environmental impacts from aviation sector in terms of life cycle assessment
(Inderscience Enterprises Ltd, 2020)The main objective of this paper is, in terms of LCA (life cycle assessment), to compile and discuss, environmental impacts of aircraft, gas turbine engine and components, and maintenance process and operations in the ... -
Prediction of two-phase heat transfer coefficient of flow boiling in minichannels
(Taylor & Francis Inc, 2020)The present study mainly concentrates on the prediction of two-phase heat transfer coefficient for saturated flow boiling conditions in minichannels. the experimental database has been generated through systematic experiments ... -
Flow boiling characteristics in a novel minichannel with a step on each corner
(Taylor & Francis Inc, 2020)In the present study, flow boiling in a single minichannel with a longitudinal step on its each corner is studied experimentally. Bubble/flow dynamics, and thus, underlying physical phenomenon is investigated through ... -
A perspective on fossil fuel based flue gas emission reduction technologies
(Wiley Periodicals, Inc, 2020)The aim of this paper is to specify the role of coal-fired power plants (CFPPs) in the formation of global emissions/harmful pollutants and to discuss the benefits of current and future technologies to minimize environmental ... -
Performance analysis of a novel solar desalination system - Part 1: the unit with sensible energy storage and booster reflector without thermal insulation and cooling system
(Elsevier, 2020)Solar desalination systems have a promising potential to meet the clean water demand at global scale in a cost-effective and eco-friendly manner. Therefore, in this research, a novel solar distillation unit with sensible ... -
Effects of titanium addition on structural, mechanical, tribological, and corrosion properties of Al-25Zn-3Cu and Al-25Zn-3Cu-3Si alloys
(Elsevier, 2020)To investigate the effect of grain refinement on the material properties of recently developed Al-25Zn-3Cu based alloys, Al-25Zn-3Cu, Al-25Zn-3Cu-0.01Ti, Al-25Zn-3Cu-3Si and Al-25Zn-3Cu-3Si-0.01Ti alloys were produced by ... -
On the tse of nanofluids in solar energy applications
(Springer, 2020)Renewable energy technologies are in the centre of interest to narrow the gap between fossil fuels and clean energy systems. the dominant role of solar energy systems among the alternatives is beyond question owing to being ... -
Numerical analysis of entropy generation in a square cavity filled with boron-water nanofluid
(Springer Heidelberg, 2020)The entropy generation and natural convection in a square cavity filled with boron-water nanofluid is numerically investigated under the influence of different nanoparticle volume fractions and buoyancy forces when heated ... -
Processing of T6 heat-treated Al-12Si-0.6Mg alloy
(Taylor & Francis Inc, 2020)In this study, ternary Al-12Si-0.6Mg material was manufactured by gravity die casting method in induction melting furnace. Microstructure images of alloy were taken on optical microscope after T6 heat treatment. Hardness, ... -
Microstructural, mechanical and tribological properties of ultrafine-grained Cu-Cr-Zr alloy processed by high pressure torsion
(Elsevier Science Sa, 2020)The effect of temperature on tribological properties of coarse grained (CG) and ultrafine-grained (UFG) Cu-Cr-Zr alloy processed via high pressure torsion (HPT) was investigated. Dominant wear mechanism depends on both ... -
Determination of delamination in drilling of carbon fiber reinforced carbon matrix composites/Al 6013-T651 stacks
(Elsevier Sci Ltd, 2020)Delamination at the hole entrance and exit during drilling of the FRPs composites adversely affects the hole surface quality and engineering properties of this material. in this study, delamination occurrence in hole ... -
Machinability properties of Al-7Si, Al-7Si-4Zn and Al-7Si-4Zn-3Cu alloys
(Springer Heidelberg, 2020)Al-7Si, Al-7Si-4Zn, Al-7Si-4Zn-3Cu alloys were produced by permanent mold casting method to investigate the effects of copper and zinc additions on the machinability properties of Al-7Si alloy. the structural and mechanical ... -
Effect of zinc content and cutting tool coating on the machinability of the Al-(5-35) Zn alloys
(Korean Inst Metals Materials, 2020)In this study, Al-5Zn, Al-15Zn, Al-25Zn and Al-35Zn alloys containing 5, 15, 25 and 35 wt% Zn, respectively were produced by permanent mold casting. Their microstructures and mechanical properties were investigated using ... -
The effect of solid boriding time on the structure, hardness and corrosion properties of AISI 5140 steel
(Maik Nauka/Interperiodica/Springer, 2020)In this study, AISI 5140 steel samples were borided in an electrical furnace at a temperature of 950 degrees C for 4, 6 and 8 h. Structural examinations, hardness measurement and corrosion tests were performed to determine ...
