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Toplam kayıt 108, listelenen: 21-40
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Numerical analysis of a commercial display cabinet with air curtain
(2011)Maintaining food temperatures below critical values is the important maximising the high quality display life of chilled foods. Air curtains are especially used in stores and retailer supermarkets as barrier systems to ... -
Experimental investigation of impinging jet array heat transfer from a surface with V-shaped and convergent-divergent ribs
(2012)Detailed heat transfer measurements over a surface with V-shaped ribs (V-SR) and convergent-divergent shaped ribs (CD-SR) by a circular impinging jet array was investigated using thermal infrared camera. Both V-SR and CD-SR ... -
Velocity field and turbulence effects on heat transfer characteristics from surfaces with V-shaped ribs
(2012)The flow field of smooth surfaces and surfaces with V-shaped ribs (V-SR) was studied experimentally with a Laser-Doppler Anemometry (LDA) system. In addition, heat transfer characteristics were experimentally investigated. ... -
Irreversibility analysis of a compression refrigeration cycle using natural refrigerants for a sustainable future
(2012)Irreversibility analyses of R290, R717, R718 and R744 are carried out in a compression refrigeration cycle. The effects of evaporator temperature, condenser temperature and isentropic efficiency on the irreversibility of ... -
Effect of different palatal vault shapes on the dimensional stability of glass fiberreinforced heat-polymerized acrylic resin denture base material
(2012)Objective: The aim of this study was to determine the effect of different palatal vault shapes on the dimensional stability of a glass fiber reinforced heat polymerized acrylic resin denture base material. Methods: Three ... -
Thermal stress analysis of functionally graded disc with variable thickness due to linearly increasing temperature load
(Springer Verlag, 2013)In this study, the elastic stress analysis of a hollow disk made of functionally graded materials was subjected to a linearly increasing temperature distribution. These disks have many applications in the aerospace industry, ... -
Flow and heat transfer characteristics of transverse perforated ribs under impingement jets
(2013)An experimental study was conducted to investigate heat transfer and flow characteristics under impingement of a multiple circular jet array with perforated rib surfaces (PRS) and solid rib surfaces (SRS). Heat transfer ... -
Evaluation of the effects of surface treatments on different dental ceramic structures
(2013)The surface treatments applied to porcelain materials can be different overglaze methods, chemical interactions and polishing techniques. The aims of these methods are the most durable restoration and the smoothest surface. ... -
Rollover crashworthiness analysis of a railroad passenger car
(2013)Rollover of railroad passenger cars is one of the most serious accidents having high rates of injuries and fatalities. Therefore, the railroad passenger car structures should satisfy the rollover crashworthiness requirements ... -
Saturation operation on the direct current motor that is used for manipulator control
(2013)In this study, the saturation operation on the motor armature current has been carried out with a manipulator control algorithm. Manipulator system is controlled by state feedback plus integral error control strategy. ... -
Heat transfer characteristics of longitudinal perforated and unperforated ribs under impingement jets
(American Society of Mechanical Engineers (ASME), 2014)Impingement heat transfer is considered as heat transfer enhancement technique. Impinging jets are used in many applications where high heat transfer rates are required. An experimental study was conducted to investigate ... -
A novel two-part interconnector for solid oxide fuel cells
(John Wiley and Sons Ltd, 2014)A two-part interconnector is developed for solid oxide fuel cell stacks to reduce cost and to improve sealing. The novel interconnector involves a metallic core for current collection and gas distribution and a ceramic ... -
Theoretical and experimental investigation of wear in internal gears
(2014)Internal gears are commonly used in automotive and aeronautic industries as external sun gears of planetary mechanisms. Internal gears have some advantages such as low sliding velocities, low contact stresses, high contact ... -
Tensile behavior of heat welded CNT network structures
(Elsevier, 2014)In this study, a computational investigation on the mechanical properties of random carbon nanotube (CNT) networks is reported. For this purpose, atomistic models of 3-D CNT network structures are generated by an automated ... -
Experimental investigation of heat transfer in a channel with new winglet-type vortex generators
(Elsevier Ltd, 2014)Both new punched triangular vortex generators (PTVGs) and punched rectangular vortex generators (PRVGs) have been developed. Both the triangular and rectangular vortex generators were directly punched from the longitudinal ... -
Experimental and numerical investigation of geometry effects on multiple impinging air jets
(Elsevier Ltd, 2014)The effect of jet geometry on the flow and the heat transfer characteristics was investigated experimentally and numerically for elliptic and rectangular impinging jet arrays. Detailed heat transfer measurements over a ... -
Production of metal matrix composites by the vortex method and investigation of the effect of changing casting temperature on particles ratio of product-composite
(Blackwell Publishing Inc., 2014)In this study, Al-2011 alloyed and Al2O3 particle-reinforced metal matrix composite (MMCs) were produced by using the Vortex method. Immediately after pouring composite to the mold and before full solidification, the ... -
Effect of swirl generator inserted into a tube on exergy transfer: Decaying flow
(Taylor and Francis Inc., 2014)This study experimentally investigates the effect of conical injector type swirl generator inserts on heat and exergy transfer in a uniform heat flux tube for turbulence regime. One hundred twenty watts of heat are applied ... -
Prediction model for the impact response of glass fibre reinforced aluminium foam sandwiches
(Elsevier Ltd, 2015)The use of sandwich structures combines low weight with high energy absorbing capacity, so they are suitable for applications in the transport industry (automotive, aerospace, shipbuilding industry), where the "lightweight ... -
Nonlinear vibrations of spring-supported axially moving string
(Kluwer Academic Publishers, 2015)In this study, multi-supported axially moving string is discussed. Supports located at the ends of the string are simple supports. A support located in the middle section owns the features of a spring. String speed is ...