• Study of abrasive wear volume map for PTFE and PTFE composites 

  Ünal, Hüseyin; Şen, Uğur; Mimaroğlu, Abdullah (SPRINGER, 2007)

  The potential of this work is based on consideration of wear volume map for the evaluation of abrasive wear performance of polytetrafluoroethylene (PTFE) and PTFE composites. The fillers used in the composite are 25% bronze, ...
• Cost assessment of concrete and steel types for office buildings: an exploratory study 

  Özkan, Ömer; Gündüz, Mehmet (2007)
• Application of artificial neural network to predict specific fuel consumption and exhaust temperature for a Diesel engine 

  Parlak, Adnan; İslamoğlu, Yaşar; Yaşar, Halit; Eğrisöğüt Tiryaki, Aysun (PERGAMON-ELSEVIER SCIENCE LTD, 2006)

  The ability of an artificial neural network model, using a back propagation learning algorithm, to predict specific fuel consumption and exhaust temperature of a Diesel engine for various injection timings is studied. The ...
• Stress Intensity Factors for Three-Dimensional Cracks in Functionally Graded Materials Using Enriched Finite Elements 

  Ayhan, Ali Osman (2007)
• Mixed Mode Stress Intensity Factors for Deflected and Inclined Corner Cracks in Finite-Thickness Plates 

  Ayhan, Ali Osman (2007)
• Design and control of an active artificial knee joint 

  Kaptı, Akın Oğuz (PERGAMON-ELSEVIER SCIENCE LTD, 2006)

  A passive above knee prosthesis being currently in use does not respond adequately to the needs of daily living activities of an amputee due to its limited functions. Therefore, this study deals with design and testing of ...
• Analysis of Three-Dimensional Interface Cracks Using Enriched Finite Elements 

  Ayhan, Ali Osman (2006)
• Dry sliding performance of thermoplastics against reinforced unsaturated polyester (BMC): In use in electrical contact breakers components 

  Ünal, Hüseyin; Mimaroğlu, Abdullah (ELSEVIER SCIENCE SA, 2006)

  This work presents an experimental investigation of the wear and friction behaviours of reinforced thermoplastics in use in electrical contact breakers components. Sliding experiments were carried out on a pin-on-disc ...
• Friction and wear characteristics of PEEK and its composite under water lubrication 

  Ünal, Hüseyin; Mimaroğlu, Abdullah (SAGE PUBLICATIONS LTD, 2006)

  The friction and wear performance of pure polyetheretherketone (PEEK) and 30% carbon fiber-reinforced PEEK composite were comparatively evaluated under dry sliding and water drops lubrication. The sliding experiments were ...
• Friction and wear performance of some thermoplastic polymers and polymer composites against unsaturated polyester 

  Ünal, Hüseyin; Mimaroğlu, Abdullah (ELSEVIER SCIENCE BV, 2006)

  Wear experiments have been carried out with a range of unfilled and filled engineering thermoplastic polymers sliding against a 15% glass fibre reinforced unsaturated polyester polymer under 20, 40 and 60 N loads and 0.5 ...
• Study of tip clearance effects in centrifugal fans with unshrouded impellers using computational fluid dynamics 

  Engin, Tahsin (PROFESSIONAL ENGINEERING PUBLISHING LTD, 2006)

  Performance of centrifugal fans with unshrouded impellers strongly depends upon complex configuration of the asymmetrical flowfield in the axial direction, which is highly unsteady. The flowfield, in turn, is considerably ...
• Influence of porosity characteristics in MgO.ZrO2-GG coating subjected to thermal loading 

  Mimaroğlu, Abdullah; Kocabıçak, Ümit (ELSEVIER SCI LTD, 1997)

  In this investigation, coupled (thermal and structure) finite-element analysis has been employed to analyse the influences of porosity volume, size and distribution in MgO.ZrO2-GG coating subjected to thermal loading. ...
• A new approach to the simulation of thermal systems 

  Sözbir, Nedim (ASME-AMER SOC MECHANICAL ENG, 2006)

  In this paper, thermal systems are simulated and analyzed with a new approach. Thermal system design equations can be obtained as a nonlinear algebraic equation system and then this nonlinear equation system is converted ...
• Comparison of CFD simulation to experiment for convection heat transfer in an enhanced channel 

  İslamoğlu, Yaşar (TAYLOR & FRANCIS INC, 2006)

  The numerical and experimental study of heat transfer characteristics in an enhanced channel with turbulent flow is presented. Numerical computations have been done for a periodic element of the channel with periodically ...
• Effects of tip clearance and impeller geometry on the performance of semi-open ceramic centrifugal fan impellers at elevated temperatures 

  Engin, Tahsin; Gür, Mesut (ELSEVIER SCIENCE INC, 2006)

  Centrifugal fans are being widely used in many industrial applications. However, when handling gases with temperatures exceeding 800 degrees C, the use of centrifugal fan impellers are of particular interest since the ...
• Experimental study of the airside performance of tube row spacing in finned tube heat exchangers 

  Taymaz, İmdat; Halıcı, Fethi (SPRINGER, 2006)

  Almost all of the studies in dehumidifying coils are experimental studies. In this study, effect of tube regulation space on heat and mass transfer and friction factor for heat exchangers made from aluminum fins and cooper ...
• Effects of thermal barrier coating on gas emissions and performance of a LHR engine with different injection timings and valve adjustments 

  Büyükkaya, Ekrem; Engin, Tahsin; Cerit, Muhammet (PERGAMON-ELSEVIER SCIENCE LTD, 2006)

  Tests were performed on a six cylinder, direct injection, turbocharged Diesel engine whose pistons were coated with a 350 mu m thickness of MgZrO3 over a 150 mu m thickness of NiCrAl bond coat. CaZrO3 was employed as the ...
• An approach to friction and wear properties of polytetrafluoroethylene composite 

  Ünal, Hüseyin; Şen, Uğur; Mimaroğlu, Abdullah (ELSEVIER SCI LTD, 2006)

  In this study, the effect of applied load and sliding speed on friction and wear behaviour of 25 wt% bronze filled polytetrafluoroethylene (PTFE) composite is experimentally examined and analytically analysed. Friction and ...
• Heat transfer on internal surfaces of a duct subjected to impingement of a jet array with varying jet hole-size and spacing 

  Uysal, Ünal (ASME, 2006)

  One significant issue concerning the impingement heat transfer with a jet array is related to the so-called "crossflow", where a local jet performance is influenced by the convection of the confluence from the impingement ...
• Fatigue strength improvement of a hard chromium plated AISI 4140 steel using a plasma nitriding pre-treatment 

  Genel, Kenan (WILEY, 2006)

  The effect of a plasma nitriding (PN) pre-treatment on the fatigue performance of hard chromium (HC) plated AISI 4140 steel has been investigated by conducting a series of rotary bending fatigue tests at a frequency of 95 ...

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