Yazar "Yıldırım, Sefa" için listeleme
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Artificial intelligence techniques for the vibration, noise, and emission characteristics of a hydrogen-enriched diesel engine
Yıldırım, Sefa; Tosun, Erdi; Çalık, Ahmet; Uluocak, İhsan; Avsar, Ercan (Taylor & Francis Inc, 2019)The present paper investigates the prediction of vibration, noise level, and emission characteristics of a four-stroke, four-cylinder diesel engine fueled with sunflower, canola, and corn biodiesel blends while H-2 injected ... -
Effect of magneto-thermal loads on the rotational instability of heterogeneous rotors
Yıldırım, Sefa; Tütüncü, Naki (Amer Inst Aeronautics Astronautics, 2019)Magnetic field and thermal loads are present in the operating environment of jet engine parts such as turbine rotors. Therefore, their influence on the burst velocity of rotors is worthy of investigation. The present paper ... -
An efficient method for the plane vibration analysis of composite sandwich beam with an orthotropic core
Yıldırım, Sefa (2020)The free vibration characteristics of composite sandwich beam is examined using an efficient numerical solution scheme. The simply supported beam is assumed to be composed of two isotropic face sheets and an orthotropic ... -
Free vibration analysis of sandwich beams with functionally-graded-cores by complementary functions method
Yıldırım, Sefa (Amer Inst Aeronautics Astronautics, 2020)A plane vibration study of a sandwich thermal protection system insulation panel with a functionally graded core is conducted. The panel is assumed to be under plane-stress conditions and subjected to simply supported ... -
Free Vibration Analysis of Tapered Composite Aircraft Wing via the Finite Element Method
The responses of the structures used in engineering applications under the effects of static and dynamic forces are significant in the design phase. Determination of the response of dynamic forces for a structure is initially ... -
Hydrogen elasticity solution of functionally-graded spheres, cylinders and disks
Yıldırım, Sefa (Pergamon-Elsevier Science Ltd, 2020)Hydrogen induced stresses in functionally-graded axisymmetric spheres, cylinders and disks are investigated by the combine use of infinitesimal theory of plane elasticity and Complementary Functions Method for the first ...
