Yayın tarihi için Makine Mühendisliği Bölümü listeleme
Toplam kayıt 135, listelenen: 21-40
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Stress analysis of functionally graded disc under thermal and mechanical loads
(Elsevier Ltd, 2011)In this study, the elastic stress analysis of annular discs made of functionally graded materials (FGMs) subjected to both uniform pressures on the inner surface and a linearly decreasing temperature distribution has been ... -
Comparison of superheating effect of water as a refrigerant with the other refrigerants
(2011)The performance comparison of water as a refrigerant (R718) with some refrigerants including R717, R290, R134a, and R152a is presented for a vapor compression refrigeration cycle. A computer program simulating the vapor ... -
Experimental study on the heat transfer and pressure drop of a cross-flow heat exchanger with different pin-fin arrays
(2011)In this study, convective heat transfer and pressure drop in a cross-flow heat exchanger with hexagonal, square and circular (HSC) pin-fin arrays were studied experimentally. The pin-fins were arranged in an in-line manner. ... -
Transient turbulent flow and heat transfer phenomena in plate-fin type cross-flow heat exchanger
(2011)In this article, a transient performance of a plate-fin cross-flow heat exchanger with convergent-divergent longitudinal vortex generators is investigated. The effect of flow geometry is taken into account to analyze the ... -
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 ... -
Energy and exergy analysis of an air conditioning system using the mixture of outdoor and return air
(2012)Energy and exergy analysis of the air conditioning systems employing the mixture of outdoor and return air (ACOR) are presented. The equations of heat transfer rate and exergy destruction are developed for ACOR according ... -
Stress analysis of a rotating FGM circular disc with exponentially-varying properties
(2012)In this study, elastic stress analysis of a thin circular disc made of functionally graded materials (FGMs) subjected to a temperature load and an inertia force due to rotation of the disc is investigated. Based on the two ... -
Low velocity impact response of glass fiber reinforced aluminium foam sandwich
(European Conference on Composite Materials, ECCM, 2012)The aim of this study was the analysis of the bending and the low - velocity impact response of aluminium foam sandwich reinforced by the outer skins made of glass fiber reinforced epoxy matrix and the results were compared ... -
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, ... -
Investigation of experimental research on the low velocity impact damage behavior of NCF composite plates - Complas XII
(2013)In this study an experimental investigation is performed on the impact response of non-crimp fabric composite plates at room temperature. Chopped strand mat combi is used as reinforcing material and two kinds of matrix; ... -
Elastoplastic stress analysis of functionally graded disc under internal pressure-complas XII
(2013)The study deals with elastoplastic stress analysis of a hollow disk made of functionally graded materials (FGMs) subjected to an internal pressure. The material properties of disc are assumed to vary radially according to ... -
Design of sma based actuators used in robotics
(2013)This work introduces to Shape Memory Alloy (SMA) using in Robotics as actuators. We investigated a quadruped platform actuated by SMAs which act with variable elasticity. SMAs ought to prove necessary forces for all gaits. ... -
Numerical investigation of amounts of heat, power and temperature distribution in IT-SOFC
(Electrochemical Society Inc., 2013)In this study, thermodynamic and heat transfer concepts were combined to understanding correlation of heat, power and temperature gradient on the cell. All of heat sources and amounts has been determined for electrolyte ... -
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 ...