5 results
Research Article
Open Access Energy and exergy analysis of an absorption refrigeration system
Abid Ustaoğlu, Ustaoğlu A, Mustafa Alptekin, Alptekin M, Bertan Parıltı, Parıltı B
International Symposium on Multidisciplinary Studies and Innovative Technologies 2017
In the present study, energy and exergy analyses of a solar powered absorption refrigeration system are corried out by terms of the first and second laws of thermodynamics. NH3-H2O fluid couple is used in the system. The analyses are perfor…
Research Article
Open Access Investigation of the Effect on Joining Strength of the Tool Geometry in the Friction Stir Spot Welding Applied to Polypropylene Material
Gültekin Çakır, Çakır G, Şenol Mert, Mert Ş, Sevda Mert, Mert S
International Symposium on Multidisciplinary Studies and Innovative Technologies 2017
Friction stir spot welding (FSSW) method is prone to automation. In this way, by integrating the robot and automation systems have been easily developed. Thanks to the method, the effective overlapping joints can be obtained a short process…
Research Article
Open Access Material Selection for an Optimized Fin Geometry Through Longitudinal Perforations by Using Analytical Hierarchy Process
Erman K. Öztekin, Öztekin E, Erdem Cüce, Cüce E
International Symposium on Multidisciplinary Studies and Innovative Technologies 2017
Fins are basic structures which can be easily added to many engineering designs to improve heat transfer from hot surfaces. The addition of a fin to a particular heated surface can significantly increase the cooling at no extra cost. In som…
Research Article
Open Access Effect of R&D Expenditures on Employment
Selahattin Kaynak, Kaynak S, Sinan Çağrı Öztekin, Öztekin S
International Symposium on Multidisciplinary Studies and Innovative Technologies 2017
Innovations, which are one of the most important identifiers of pass to information society, have caused socio-economic transformations on global level. Especially labour factor, which companies use in production, have been affected by inno…
Research Article
Open Access Application of Friction Stir Spot Welding to Polypropylene Material on the CNC Machine and Determination of Optimum Welding Parameters
Gültekin Çakır, Çakır G, Şenol Mert, Mert Ş, Sevda Mert, Mert S
International Symposium on Multidisciplinary Studies and Innovative Technologies 2017
The Friction Stir Spot Welding (FSSW) method is a derivative of the Friction Stir Welding (FSW) process, which is a new welding process that recently has received considerable attention from the automotive and other industries. The studies …
