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Exergy analysis of R1234yf and R1234ze as R134a replacements in a two evaporator vapour compression refrigeration system
(Elsevier Ltd, 2015)Exergy analysis is a useful way for determining the real thermodynamic losses and optimising environmental and economic performance in the systems such as vapour compression refrigeration systems. The present study deals ... -
Second law analysis of different refrigerants in a two stage vapor compression cycle
(Turkish Society for Thermal Science and Technology, 2015)In this study, the second law analysis has been made by means of the program developed using the software program EES (EES-V9.172-3D) in a two stage vapor-compression refrigeration cycle for the refrigerants such as R600 ... -
Hydrogen storage in heat welded random CNT network structures
(Elsevier Ltd, 2015)The objective of this study is to investigate hydrogen storage capability of heat welded random carbon nanotube (CNT) network structures. To achieve this objective, different three-dimensional random CNT network structures ... -
Irreversibility analysis of a two-evaporator vapour compression refrigeration system
(Inderscience Enterprises Ltd., 2015)In this study, irreversibility analysis of a two-evaporator vapour compression refrigeration system under the influence of superheating and subcooling effects was carried out. The thermodynamic properties of the refrigerants ... -
Energy absorption of circular aluminium tubes with functionally graded thickness under axial impact loading
(Taylor and Francis Ltd., 2015)The main objective of this study is to investigate the effects of thickness-gradient patterns on energy absorption characteristics of aluminium-based circular tubes under axial impact loading. Functionally graded thickness ... -
Effect of attachment types and number of implants supporting mandibular overdentures on stress distribution: A computed tomography-based 3D finite element analysis
(Elsevier Ltd, 2015)The objective of this study was to calculate stresses in bone tissue surrounding uncoupled and splinted implants that are induced by a bite force applied to the mandible and to determine whether the number of mandibular ... -
Experimental and numerical analysis of low velocity impact on a preloaded composite plate
(Elsevier Ltd, 2015)An experimental and numerical study on the influence of biaxial preloading on the low velocity impact performance of E-glass/epoxy-laminated composite plates was conducted. For this aim, an experimental device was developed ... -
The effect of finely-divided fillers on the adhesion strengths of epoxy-based adhesives
(Elsevier Ltd, 2015)It was aimed to investigate the effect of five different fillers on the adhesion strength of the metal parts used in different industries by using T-peel and lap-shear tests with respect to ASTM D 1876 and ASTM D 1002 ... -
Fatigue behavior of adhesively bonded glass fiber reinforced plastic composites with different overlap lengths
(SAGE Publications Ltd, 2015)The joining techniques of lightweight and strong materials in the transport industry (e.g. automotive, aerospace, shipbuilding industries) are very important for the safety of the entire structure. In these industries, ... -
Impact response of sandwiches with open-cell casting metal foam and GFRP skins
(Taylor and Francis Ltd., 2016)The main advantage of using sandwich structures is their high strength, high energy absorbing capacity and high bending stiffness to weight ratio. Therefore, they are unique for the applications where the light-weight ... -
Effect of grooved pin-fins in a rectangular channel on heat transfer augmentation and friction factor using Taguchi method
(Elsevier Ltd, 2016)In this study, the effect of both cylindrical grooved pin-fins (C-GPFs) and triangular grooved pin-fins (T-GPFs) into the rectangular channel on heat transfer augmentation, Nusselt number and friction factor were experimentally ... -
Sandwiched graphene-fullerene composite: A novel 3-D nanostructured material for hydrogen storage
(Elsevier Ltd, 2016)The main objective of this paper is to investigate hydrogen storage capacity of a novel carbon based nanoporous material composition that is built up by covalently sandwiched fullerene units between parallel graphene sheets. ... -
Effects of lithium doping on hydrogen storage properties of heat welded random CNT network structures
(Elsevier Ltd, 2016)This paper presents the effects of lithium doping on the hydrogen storage capability of heat welded random carbon nanotube (CNT) network structures having different cross-link densities at room temperature. Cluster based ... -
Forchheimer forced convection in a rectangular channel partially filled with aluminum foam
(Elsevier Inc., 2016)In this paper, heat transfer and pressure drop were investigated by placing open-cell aluminum foam in different ratios according to the channel volume in a hydrodynamically fully developed rectangular channel. Aluminum ... -
Investigation of hole effects on the critical buckling load of laminated composite plates
(Institute of Metals Technology, 2016)In this study, the effects of the hole diameter on the buckling behavior of glass-fiber-reinforced, laminated composite rectangular plates were investigated both experimentally and numerically. As the test specimens, ... -
Experimental and numerical study of alumina reinforced aluminum matrix composites: Processing, microstructural aspects and properties
(Elsevier Ltd, 2016)Co-continuous alumina-aluminum composite materials with excellent physical and mechanical properties offer great potentials for lightweight, wear resistant, and high-temperature applications. They combine metallic properties ... -
Effect of impactor shapes on the low velocity impact damage of sandwich composite plate: Experimental study and modelling
(Elsevier Ltd, 2016)An experimental and numerical analysis of the influence of impactor shapes on the low velocity impact performance of aluminium sandwich composite plates has been carried out. The aluminium composite panels were manufactured ... -
Design analysis of impinging jet array heat transfer from a surface with V-shaped and convergent-divergent ribs by the taguchi method
(Taylor and Francis Ltd., 2016)In this work, the effects of the impingement plate geometry, Reynolds number, jet-plate distance-to-jet diameter ratio, and the jet diameter-to-rib height ratio on the impingement jets were investigated using the Taguchi ... -
Role of adhesion in sandpaper failure progression
(Elsevier Ltd, 2016)In this study, different grit sizes of sandpapers were used under controlled rubbing experiments using a rheometer to investigate the role of adhesion in failure progression by particulate separation. Frictional shear ... -
Effect of heating position on thermal energy storage in cavity with/without open-cell metallic foams
(Taylor and Francis Ltd., 2016)Thermal energy storage systems inherently store heat at different heating positions. In other words, the heat storage performance changes depending on the heating positions. In this study, the effects of the heating surface ...