Güncel Gönderiler: Amasya University Institutional Repository
Toplam kayıt 6108, listelenen: 3961-3980
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The Longitudinal Evolution of Post-COVID-19 Outcomes Among Hemodialysis Patients in Turkey
(Elsevier Science Inc, 2022)Introduction: Hemodialysis (HD) patients have increased risk for short-term adverse outcomes of COVID-19. However, complications and survival at the post-COVID-19 period have not been published extensively.Methods: We ... -
Fracture and dynamic mechanical analysis of seawater aged aluminum-BFRP hybrid adhesive joints
(Pergamon-Elsevier Science Ltd, 2022)Adhesively bonded hybrid FRP-aluminium structures have recently become an efficient solution for marine engineering applications. However, polymer adhesives' bond performance is sensitive to the marine environment due to ... -
On special submanifolds of the Page space
(Elsevier, 2021)In this paper, we study some classes of submanifolds of codimension one and two in the Page space. These submanifolds are totally geodesic. We also compute their curvature and show that some of them are constant curvature ... -
New metallophthalocyanines including benzylphenoxy groups and investigation of their organic-field effect transistor (OFET) features
(Elsevier Sci Ltd, 2022)In this study, metal and metal-free novel phthalocyanines containing peripheral and non-peripheral tetra 2-ben-zylphenoxy groups were synthesized. The compounds were characterized by UV-Vis, FT-IR, H-1 NMR, and MALDI-TOF ... -
Comprehensive energy, exergy, and economic analysis of the scenario of supplementing pumped thermal energy storage (PTES) with a concentrated photovoltaic thermal system
(Pergamon-Elsevier Science Ltd, 2022)The pumped thermal energy storage (PTES), which is designed to store electricity more cheaply, is one of the issues that have been discussed in recent years. In the PTES system, electrical energy is stored as hot water ... -
Theoretical energy and exergy analysis of a combined cooling, heating and power system assisted by a low concentrated photovoltaic recuperator
(Pergamon-Elsevier Science Ltd, 2021)Supporting energy generation systems with photovoltaic thermal systems is one of the important issues discussed in the literature. With photovoltaic thermal systems, some of the solar energy is directly converted into ... -
Investigation of the effect of silica fume and synthetic foam additive on cell structure in ultra-low density foam concrete
(Elsevier, 2022)In this study, the properties of ultra-low density foam concrete with silica fume substitute and synthetic foam additive were investigated. Two different references and silica fume substituted foam concretes with densities ... -
Application of waste ceramic powder as a cement replacement in reinforced concrete beams toward sustainable usage in construction
(Elsevier, 2023)The main purpose of this study was to investigate the flexural behavior of reinforced concrete beams (RCBs) containing waste ceramic powder (CP) as partial replacement of cement. For this purpose, flexural tests were carried ... -
Experimental investigation and analytical prediction of flexural behaviour of reinforced concrete beams with steel fibres extracted from waste tyres
(Elsevier, 2023)In recent years, studies on the use of car tyre wastes in concrete have gained momentum. Especially, the effect of recycled waste steel wires (RWSWs) from tyres to be mixed into concrete for using in newly designed reinforced ... -
Performance comparison of empirical model and Particle Swarm Optimization & its boiling point prediction models for waste sunflower oil biodiesel
(Elsevier, 2022)The absence of correlations for predicting the boiling point of biodiesels prevents fuel users to achieve effective engine performance. Among the quality regulator of rudimentary fuel properties is the boiling point and ... -
Analysis of numerical and grey relation method of the effect of helical tape insert density on the hydrothermal performance
(Elsevier, 2022)In this study, the hydrothermal performance of the Double pipe heat exchangers(DPHEs) with a continuous and variable helical tape insert(HTI) conducted on the outer surface of the inner pipe was numerically investigated ... -
Experimental investigation of the effects of add-on fan radiators on heat output and indoor air temperature
(Elsevier, 2023)Conventional panel radiators are widely used to satisfy indoor heating demands thanks to the heat transfer from the radiator by natural convection and radiation. To increase the heat output from an existing radiator without ... -
Mechanical behavior in terms of shear and bending performance of reinforced concrete beam using waste fire clay as replacement of aggregate
(Elsevier, 2023)In this experimental and analytical study, waste fire clay (WFC) was consumed by the use of replacing fine aggregate (FA) in confident amounts. It is targeted to remove the current sustainable complications by confirming ... -
Hydrogen generation from ammonia borane by polymer supported platinum films
(Elsevier, 2021)This study aimed to obtain a highly active and reusable catalyst for the dehydrogenation of ammonia borane. A nobel metal platinum catalyst supported on a polymer substrate was produced by the alloying and dealloying of ... -
Out-of-plane static loading performance of lightweight aluminum/composite FML structures for retrofitting applications: Effectiveness of bonded, bolted and hybrid bonded/bolted joining techniques under hydrothermal aging environment
(Elsevier Sci Ltd, 2023)This study evaluates the mechanical response for different flexural loading direction scenarios of the fiber metal laminates (FMLs), an aluminum structure retrofitted with basalt fiber-reinforced epoxy-based composites for ... -
Quasi-Static tensile loading performance of Bonded, Bolted, and hybrid Bonded-Bolted Carbon-to-Carbon composite Joints: Effect of recycled polystyrene nanofiber interleaving
(Elsevier Sci Ltd, 2023)Although hybrid bolted/bonded (HBB) joints possess each joint technique's benefits, the adhesive layer performance significantly affects the load-carrying capacity of hybrid joints. Nanofiber interleaving has become an ... -
Estimation of the FRP-concrete bond strength with code formulations and machine learning algorithms
(Elsevier Sci Ltd, 2021)The present study pertains to the bond strength and development length of FRP bars embedded in concrete. The experimental results in the literature were compared to the analytical estimates from the equations of different ... -
An experimental evaluation on the dynamic response of water aged composite/aluminium adhesive joints: Influence of electrospun nanofibers interleaving
(Elsevier Sci Ltd, 2022)The impact response of adhesives is a critical design parameter considering their lifetime. Additionally, environmental effects such as water or moisture may cause to degrade of the polymer-based adhesive and shorten its ... -
An experimental study on low velocity impact performance of bolted composite joints-part 2: Influence of long-term seawater aging
(Elsevier Sci Ltd, 2021)In the first part of this two-part paper (Part 1), the low-velocity impact (LVI) response of bolted fiber-reinforced polymer joints was investigated considering with two scenarios based on the localized impact damage as ... -
An experimental study on low velocity impact performance of bolted composite joints part 1: Influence of halloysite nanotubes on dynamic loading response
(Elsevier Sci Ltd, 2021)Mechanical joints are a widely utilized to assembly fiber reinforced polymer composites in marine applications. Impact is one of the most encountered unpredictable loading types which significantly diminishes the mechanical ...
