Yazar "Koc, Erdem" için listeleme
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Analysis of Energy Consumption in Woven Fabric Production
Koc, Erdem; Cincik, Emel (Inst Chemical Fibres, 2010)One of the most important factors that affect the cost of a woven fabric is the energy cost. In this study, general information about the energy types and levels that are used during woven fabric production has been given, ... -
An analysis on abrasion resistance of polyester-/viscose-blended needle-punched nonwovens
Koc, Erdem; Cincik, Emel (Taylor & Francis Ltd, 2013)In this study, the influence of fiber composition and process parameters such as mass per unit area and punching density on abrasion resistance of polyester-/viscose-blended needle-punched nonwovens has been investigated. ... -
An analysis on air permeability of polyester/viscose blended needle-punched nonwovens
Cincik, Emel; Koc, Erdem (Sage Publications Ltd, 2012)Air permeability is one of the important properties which affect the performance of nonwovens used for filtration, insulation and drainage applications. In this study, an analysis on the air permeability of the polyester/viscose ... -
Could spinal anesthesia be a choice for retrograde intrarenal surgery
Karabulut, Ibrahim; Koc, Erdem; Yilmaz, Ali Haydar; Ahiskali, Elif Oral; Keskin, Ercument; Adanur, Senol; Resorlu, Berkan (Sage Publications Ltd, 2018)Objective: In this study, we aimed to compare cases of retrograde intrarenal surgery performed under spinal or general anesthesia through investigating relevant parameters for the first time in the literature. Material and ... -
Design basis and hydrodynamic performance analysis of single-screw extruders. II - viscous power loss
Demiryurek, Oguz; Koc, Erdem (Emerald Group Publishing Ltd, 2009)Purpose - The purpose of this paper is to investigate the design dimensions in pressure or metering region of a single-screw extruder by determining viscous power loss. The paper is the second part of a series. ... -
The Effect of Blend Ratio and Process Parameters on Tensile Properties of Polyester/Viscose Blended Needle-Punched Nonwovens
Cincik, Emel; Koc, Erdem (Korean Fiber Soc, 2013)In this study, the tensile strength and elongation of polyester/viscose blended needle-punched nonwovens were analyzed. For this purpose, five different blend ratios of polyester/viscose webs were produced, cross-lapped ... -
The effect of sintering time, temperature, and graphene addition on the hardness and microstructure of aluminum composites
Gurbuz, Mevlut; Senel, Mahmut Can; Koc, Erdem (Sage Publications Ltd, 2018)Currently, graphene is used in aluminum matrix composite manufacturing due to its superior mechanical properties. However, few detailed studies exist on the effect of the process conditions such as sintering temperature ... -
Fabrication and characterization of aluminum hybrid composites reinforced with silicon nitride/graphene nanoplatelet binary particles
Senel, Mahmut Can; Gurbuz, Mevlut; Koc, Erdem (Sage Publications Ltd, 2019)In this study, pure aluminum was reinforced with pure silicon nitride (varying from 1 to 12 wt%), pure graphene nanoplatelets (changing from 0.1 to 0.5 wt%), and their hybrid form (silicon nitride/graphene nanoplatelets) ... -
The fabrication and characterization of graphene reinforced aluminum composites
Senel, Mahmut Can; Gurbuz, Mevlut; Koc, Erdem (Pamukkale Univ, 2017)Aluminum based metal matrix composites (AL-MMC) can be used in order to obtain the high strength, good stiffness, low density, good thermal and electrical properties. In recent years, graphene nanoplates (GNPs) have been ... -
Fabrication and characterization of synergistic Al-SiC-GNPs hybrid composites
Senel, Mahmut Can; Gurbuz, Mevlut; Koc, Erdem (Elsevier Sci Ltd, 2018)The traditional aluminum matrix composites were fabricated using pure graphene nanoplatelets (GNPs) and silicon carbide (SiC) in aluminum matrix due to the solid lubricant properties of GNPs and high hardness, compressive ... -
A guide for genetic algorithm based on parallel machine scheduling and flexible job-shop scheduling
Ak, Bilgesu; Koc, Erdem (Elsevier Science Bv, 2012)Parallel Machine Scheduling (PMS) and Flexible Job-shop Scheduling (FJS) are the hardest combinatorial optimization problems, they require very large scale search space. Solving this kind of combinatorial optimization ... -
Investigation of Energy Consumption in Yarn Production with Special Reference to Open-End Rotor Spinning
Kaplan, Emel; Koc, Erdem (Inst Chemical Fibres, 2010)The aim of this study is to evaluate the energy consumption, in general, for open-end rotor type yarn manufacturing systems and to examine the energy consumption in a chosen spinning mill by considering available data ... -
An investigation on bursting strength of polyester/viscose blended needle-punched nonwovens
Koc, Erdem; Cincik, Emel (Sage Publications Ltd, 2012)The aim of this study is to analyze the bursting strength of polyester/viscose blended needle-punched nonwovens. For this purpose, five different blend ratios of polyester/viscose webs were produced, cross-lapped and needled ... -
Mechanical and tribological behaviours of aluminium matrix composites reinforced by graphene nanoplatelets
Senel, Mahmut Can; Gurbuz, Mevluet; Koc, Erdem (Taylor & Francis Ltd, 2018)In the present study, the effects of graphene content (0.1, 0.3, 0.5 wt-%) on the mechanical and tribological properties of aluminium matrix composites were reported. The experimental results reveal that the best apparent ... -
The mechanism and/or prediction of the breaking elongation of polyester/viscose blended open-end rotor spun yarns
Demiryurek, Oguz; Koc, Erdem (Korean Fiber Soc, 2009)In this study, an analysis on the breaking elongation mechanism of the polyester/viscose blended open-end rotor spun yarns has been carried out. In addition, a back propagation multi layer perceptron (MLP) network and a ... -
Predicting the tensile strength of polyester/viscose blended open-end rotor spun yarns using the artificial neural network and statistical models
Koc, Erdem; Demiryurek, Oguz (Inst Natl Cercetare-Dezvoltare Textile Pielarie-Bucuresti, 2011)Predicting the tensile strength of polyester/viscose blended open-end rotor spun yarns using the artificial neural network and statistical models In this study, an Artificial Neural Network (ANN) and a statistical model ... -
Predicting the unevenness of polyester/viscose blended open-end rotor spun yarns using artificial neural network and statistical models
Demiryurek, Oguz; Koc, Erdem (Korean Fiber Soc, 2009)In this study, an artificial neural network (ANN) and a statistical model are developed to predict the unevenness of polyester/viscose blended open-end rotor spun yarns. Seven different blend ratios of polyester/viscose ... -
Study on the Thickness Loss of Wilton-Type Carpets under Dynamic Loading
Celik, Nihat; Koc, Erdem (Inst Chemical Fibres, 2010)In the two earlier papers, evaluations were presented on the characteristic parameters determining the behaviour of three industrially produced Wilton-type carpets with different pile materials (wool, acrylic and PP) after ...
