Güncel Gönderiler: Makine Mühendisliği Bölümü Koleksiyonu
Toplam kayıt 286, listelenen: 41-60
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Effects of aging state on the low-cycle fatigue properties of 2024 aluminum alloy
(Elsevier, 2024)To reveal the effects of aging state on the low-cycle fatigue (LCF) performance of 2024 Al alloy, LCF experiments were conducted on the 2024 Al alloy with three aging states (underaged (UA), peak-aging (PA) and overaged ... -
Thermal and energy analysis of a novel solar updraft tower design with divergent chimney and convergent collector concept: CFD analysis with experimental validation
(Oxford University Press, 2024)The fact that energy sources are heavily dependent on fossil fuels increases the need for alternative energy day by day. Solar energy is the most popular alternative energy source with massive potential. Solar chimney power ... -
Systematic inspection on the interplay between MoNa-induced sodium and the formation of MoSe2 intermediate layer in CIGSe/Mo heterostructures
(Springer, 2024)The critical impact of sodium-doped molybdenum (MoNa) in shaping the MoSe2 interfacial layer, influencing the electrical properties of CIGSe/Mo heterostructures, and achieving optimal MoSe2 formation conditions, leading ... -
Design, modelling, environmental, economic and performance analysis of parabolic trough solar collector (PTC) based cogeneration systems assisted by thermoelectric generators (TEGs)
(Elsevier, 2024)Concentrating solar power systems (CSP) is a very efficient technology for clean and renewable energy production. It basically works on the principle of focusing the sun's rays with the help of a reflective surface. There ... -
Evaluation of corrosion performance of AZ31 Mg alloy in physiological and highly corrosive solutions
(American Chemical Society, 2023)Resorbable Mg and Mg alloys have gained significant interest as promising biomedical materials. However, corrosion of these alloys can lead to premature reduction in their mechanical properties, and therefore their corrosion ... -
Thermal analysis of building roofs with latent heat storage for reduction in energy consumption and CO2emissions: An experimental and numerical research
(Hindawi, 2024)In green energy buildings, air conditioning charges can be lowered through careful planning of the building's envelope. This article investigates several strategically designed phase change material (PCM) roof envelopes ... -
Fire retardation, compressive strength and durability analysis of concrete reinforced with novel plasters: An experimental, computational and statistical research
(Elsevier, 2024)Concrete is an essential component of the construction industry, valued for its high compressive strength (CS) and durability. However, when exposed to extreme conditions like fire without protective structural elements, ... -
An overview of the existing and future state of the art advancement of hybrid energy systems based on PV-solar and wind
(Oxford University Press, 2024)Increasing solar and wind power use in existing power systems could create significant technical issues, especially for grids with poor connectivity or stand-alone systems needing more adequate storage capacity. This is ... -
Dynamo script and a BIM-based process for measuring embodied carbon in buildings during the design phase
(Oxford University Press, 2023)In recent years, worldwide efforts have been made towards reducing energy use and emissions, which have a variety of impacts such as contributing to climate change. Hence, environmental analysis in the construction sector ... -
Alumina and titanium nanoparticles to diesel–Guizotia abyssinica (L.) biodiesel blends on MFVCR engine performance and emissions
(Elsevier, 2024)Deteriorating air quality and diminishing fossil fuel reserves drive the demand for alternative fuels. Biodiesel from animal and plant sources appears promising, but it has drawbacks like lower thermal efficiency and higher ... -
Experimental studies and comprehensive computational investigations on composites-based phase change material for battery thermal management systems in electric vehicles
(Elsevier, 2024)Battery Thermal Management System plays a significant role in maintaining the health of the batteries for the long run. Active-based cooling technologies, due to the lesser thermal conductivity of air and parasitic losses, ... -
Non-Newtonian laminar pulsating heat and fluid flow in plane duct
(Wiley, 2023)In the present study, laminar pulsating power-law momentum and heat transfer in a uniformly heated plane duct is studied analytically. Assuming that fully developed conditions exist both hydrodynamically and thermally, a ... -
Analysis of the benefits of adopting roof sandwich panels integrated with PCM versus PUR to mitigate energy costs and carbon dioxide emissions
(Elsevier, 2024)The construction industry's thirst for power has skyrocketed on a global scale. A significant amount of this power is used for buildings' heating, ventilation, and air-conditioning needs (HVAC systems), which in turn ensure ... -
Entransy-based environmental and life cycle cost analysis to determine optimum insulation thickness: Effect of the fuel sources
(Gazi Universitesi, 2024)In this study, the influence of fuel sources on entransy-based environmental impact and life cycle cost (LCC) analysis while determining the optimum insulation thickness (OIT) has been investigated. Analyses are carried ... -
Machine learning driven optimization and parameter selection of multi-surface HTS Maglev
(Elsevier, 2024)This research aims to tackle the challenges posed by precise force measurement for high temperature superconducting (HTS) Maglev systems, including mechanical constraints, step motor limitations, and sensor resolutions. ... -
Mechanical properties of Al-9Si-0.6Mg-0.1Sr alloy processed by successive hot and cold multi-directional forging
(Springer, 2023)In this study, the effect of successive hot and cold multi-directional forging (MDF) on the mechanical properties of the Al-9Si-0.6Mg-0.1Sr alloy was explored. The alloy was first homogenized and then forged at 200°C from ... -
Effect of inlet temperature on flow boiling behavior of expanding micro-pin-fin type heat sinks
(Elsevier, 2023)Heat sinks that cool electronic systems through flow boiling are exposed to working fluids at different inlet temperature. Therefore, in the present study, influence of inlet temperature on boiling performance of a ... -
Triple-effect new generation drying technique
(Elsevier, 2023)This paper introduces the triple-effect new generation drying technique that is defined as simultaneously swirling flow-fluidized bed-infrared drying process. It aims to perform the conceptual design of this innovative ... -
Effects of WEDM and AWJ cutting methods on induction motor efficiency and total magnetic losses: Experimental design and response surface methodology
(Elsevier, 2023)In this study, the effect of cutting electrical steel laminations using abrasive water jet (AWJ) and wire electrical discharge machining (WEDM) techniques on 5.5 kW induction motor efficiency (MEfficiency) and total magnetic ... -
Fast pyrolysis of tea bush, walnut shell, and pine cone mixture: Effect of pyrolysis parameters on pyrolysis crop yields
(MDPI, 2023)Liquid products obtained by the fast pyrolysis process applied to biomass can be used as chemical raw materials and liquid fuels. In this study, tea bush, walnut shell, and pine cone samples selected as biomass samples ...