Yayın tarihi için Makine Mühendisliği Bölümü / Department of Mechanical Engineering listeleme
Toplam kayıt 79, listelenen: 1-20
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Measurement and assessment of fatigue life of spot-weld joints
(Asme-Amer Soc Mechanical Eng, 2009-01)Spot-weld joints are commonly used to fasten together metal sheets. Because fatigue fracture is the most critical failure mode for these joints under fluctuating loads, understanding their fatigue failure behavior and ... -
Computational and asymptotic methods in aeroacoustics with applications
(Işık University Press, 2011)In this article the computational and asymptotic methods used in aeroacoustics are reviewed. In particular, two different aeroacoustic applications are demonstrated.In the first problem we investigate the first and second ... -
A quasi-one-dimensional bubbly cavitating flow model and comparison with experiments
(European Turbomachinery Soc-Euroturbo, 2011)A bubbly cavitating flow model is constructed for unsteady quasi-one-dimensional and two-dimensional nozzle flows. In each case, the system of model equations is reduced to evolution equations for the flow velocity and ... -
Automatic modulation classification for mimo systems using fourth-order cumulants
(IEEE, 2012)Automatic classification of the modulation type of an unknown communication signal is a challenging task, with applications in both commercial and military contexts, such as spectrum surveillance, cognitive radio, and ... -
Birleşik çöz/sıkıştır ve ilet tabanlı işbirlikçi çoklu erişim
(IEEE, 2012-04-18)Bu bildiride, iki kullanıcılı bir işbirlikçi çoklu erişim kanalı için çöz-ilet ve sıkıştır-ilet tekniklerinin eş zamanlı kullanılmasına dayalı kodlama ve kodçözme teknikleri geliştiriyor, ve karşılık gelen erişilebilir ... -
A refinement of asymptotic predictions and full numerical solution of helicopter rotor noise in the far field
(Multi-Science Publ Co Ltd, 2012-09-01)The asymptotic analysis of Parry and Crighton [1] for propeller noise in the far field, which is based on Hanson's formulation [2] of the FW-H equation, is refined to second order by Laplace's method [3] for evaluating ... -
Bubble dynamics and shock waves
(Springer Berlin Heidelberg, 2013-01-01)This volume of the Shock Wave Science and Technology Reference Library is concerned with the interplay between bubble dynamics and shock waves. It is divided into four parts containing twelve chapters written by eminent ... -
Shocks in quasi-one-dimensional bubbly cavitating nozzle flows
(Springer Berlin Heidelberg, 2013-01-01)Stationary and propagating shock waves in bubbly cavitating flows through quasi-one-dimensional converging-diverging nozzles are considered by employing a homogeneous bubbly liquid flow model, where the nonlinear dynamics ... -
Turkey's next big science project: DAG the 4 meter telescope
(SPIE-INT Soc Optical Engineering, 2014)The DAG (Turkish for Eastern Anatolia Observatory) 4-m telescope project has been formally launched in 2012, being fully funded by the Government of Turkey. This new observatory is to be located on a 3170 m altitude ridge ... -
Adaptive extremum seeking scheme for ABS control
(IEEE, 2014)A sliding mode based extremum seeking algorithm is applied to the ABS control problem where the optimum slip ratio is searched online for maximum braking force in unknown road conditions. By making the parameter of the ... -
Extremum-seeking control of ABS braking in road vehicles with lateral force improvement
(IEEE-INST Electrical Electronics Engineers Inc, 2014-01)An ABS control algorithm based on extremum seeking is presented in this brief. The optimum slip ratio between the tire patch and the road is searched online without having to estimate road friction conditions. This is ... -
Semianalytical solution of unsteady quasi-one-dimensional cavitating nozzle flows
(Springer, 2014-06)Unsteady quasi-one-dimensional bubbly cavitating nozzle flows are considered by employing a homogeneous bubbly liquid flow model, where the nonlinear dynamics of cavitating bubbles is described by a modified Rayleigh-Plesset ... -
Self optimizing ABS control algorithm with application
(Institute of Electrical and Electronics Engineers Inc, 2015)A self optimizing control algorithm is applied to the ABS control problem where the algorithm accomplishes to maximize friction potential of the tires during braking in unknown road conditions. Simulation studies are ... -
Optimal abs frenleme kontrolcüsünün geliştirilmesi
(Tübitak, 2015-03)Günümüzde taşıtlarda kullanılan ticari ABS sistemleri, frenleme sırasında tekerleklerin dönme hızlarını ölçmekte, tekerleklerin yavaşlama ivmesi belli bir kritik eşik değerini aştığında fren basıncına müdahale ederek ... -
Agile development approach for the observatory control software of the DAG 4m telescope
(SPIE, 2016)Observatory Control Software for the upcoming 4m infrared telescope of DAG (Eastern Anatolian Observatory in Turkish) is in the beginning of its lifecycle. After the process of elicitation-validation of the initial ... -
Auxiliary free space optical communication project to ensure continuous transfer of data for DAG the 4m telescope
(SPIE, 2016)The continuity of the amount of data that the 4m DAG (Eastern Anatolia Observatory in Turkish) telescope will produce and transfer to Ataturk University is critical not to jeopardize the science programs. Though the fiber ... -
The DAG Project, a 4m class telescope: The telescope main structure performance
(SPIE, 2016)Dogu Anatolu Gözlemevi (DAG-Eastern Anatolia Observatory) Project is a 4m class optical, near-infrared Telescope and suitable enclosure which will be located at an altitude of 3.170m in Erzurum, Turkey. The DAG telescope ... -
Integrated opto-dynamic modeling of the 4-m DAG telescope image quality performance
(SPIE-Int Soc Optical Engineering, 2016)The Turkish DAG 4-m telescope is currently through the final design stage. It is to be located on a 3170 m mountain top in Eastern Anatolia. The telescope will be a state-of-The art device, alt-Az mount with active primary ... -
A microwave kinetic inductance detector for the DAG telescope
(SPIE, 2016)We present the details of a proposed microwave kinetic inductance detector (MKID) for the DAG (Eastern Anatolia Observatory in Turkish) telescope, DAG-MKID. The observatory will have a modern 4m size telescope that is ...