• Wear and Service Life of 3-D Printed Polymeric Gears 

  Tunalıoğlu, Mert Şafak; Ağca, Bekir Volkan (MDPI, 2022)

  Plastic gears are mostly used in the textile, food, and automotive industries due to their silent operation, corrosion resistance, and light and cheap advantages. Plastic gears are generally manufactured by injection molding ...

• Deep drawing of polymer coated metal sheets 

  Erdin, Muhammed Emin; Özdilli, Özgür (Korean Society of Mechanical Engineers, 2019)

  In the present study, the deep drawing of polymer coated metallic sheets were experimentally investigated to reduce friction and increase manufacturing efficiency without using a lubricant. Coating of metal sheets with a ...

• Multi-objective crashworthiness optimization of lattice structure filled thin-walled tubes 

  Baykasoğlu, Adil; Baykasoğlu, Cengiz; Çetin, Erhan (Elsevier Ltd, 2020)

  Thin-walled tubes have been mostly used in passive vehicle safety systems as crash energy absorber. With the use of additive manufacturing technology, it is possible to produce novel filler materials to further enhance the ...

• Energy absorption of thin-walled tubes enhanced by lattice structures 

  Çetin, Erhan; Baykasoğlu, Cengiz (Elsevier, 2019)

  Thin-walled structures filled or covered by various materials have been proposed for energy absorption applications in recent years. At this point, additive manufacturing technologies provide an unprecedented opportunity ...

• Experimental investigation of cooling performance a heat pump for near azeotropic refrigerant R404A 

  Töre, Hayati; Kılıçarslan, Ali (Hitit University, 2017)

  In this study, in order to investigate the effect of outdoor air temperatures on the performance of an air source heat pump, operated in cooling mode, using R404A refrigerant, the heat pump was tested at the outdoor air ...

• Analysis of scoring resistance on coated spur gears by considering surface roughness 

  Tunalıoğlu, Mert Şafak; Gemalmayan, Nihat (Hitit University, 2017)

  With the rise of velocity and momentum in machines as a result of technological developments, on gears, alongside refraction from the bottom of the gears and pitting formation, and scoring formation has showed up. In the ...

• Comparative thermodynamic assessment of various super- and trans-critical working fluids for low temperature power generation applications 

  Özcan, Hasan; Seyitoğlu, Sertaç Samed (Gazi Üniversitesi, 2017)

  Recently, energy need is exponentially increasing in the world while energy sources are decreasing rapidly. Therefore, this issue requires energy sources to be used more efficiently and urges professionals to utilize energy ...

• A monitoring and control system integrated with smart phones for the efficient use of underground water resources in agricultural product growing 

  Işık, Mehmet Fatih; Haboğlu, Mustafa Reşit; Işık, Ercan (Hitit University, 2017)

  Monitoring and control system is very important for crop development process in agriculture zones. A structure which is carried out based on the type of the product with the knowledge of temperature and humidity values of ...

• Elektro-erozyon ile işlemede işleme haznesine uygulanan titreşimlerin işleme performansına etkilerinin incelenmesi 

  Özgedik, Ali; Çoğun, Can (2011)

  Bu çalısmada, elektro-erozyon ile islemede (EEİ), isleme kosullarında isleme haznesine uygulanan titresimlerin performans çıktıları (isparçası isleme hızı, elektrot asınma hızı, bağıl asınma ve isparçası yüzey pürüzlülüğü) ...

• Farklı soğutucular kullanarak CPU'nun ısı boruları ile soğutulması 

  Kotcioğlu, İsak; Çalışkan, Sinan; Manay, Eyüphan (Türk Isı Bilimi Ve Tekniği Derneği, 2009)

  Bu çalışma, bilgisayarların soğutulmasında ısı borularının etkin kullanılması ile ilgili yapılan teorik bir çalışmadır. Soğutucu akışkan ısı kaynağından (Central Processing Unit – CPU’dan) ısıyı absorbe eder. Evaporatörde ...

• Heat transfer characteristics of longitudinal perforated and unperforated ribs under impingement jets 

  Çalışkan, Sinan (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 ...

• Impact response of sandwiches with open-cell casting metal foam and GFRP skins 

  Kurşun, Ali; Kara, Emre; Aykul, Halil; Şenel, Mehmet; Ağır, İnan (Taylor and Francis Ltd., 2016)

  The main advantage of using sandwich structures is their high strength, high energy absorbing capacity and high bending stiffness to weight ratio. Therefore, they are unique for the applications where the light-weight ...

• Thermal stress analysis of functionally graded disc with variable thickness due to linearly increasing temperature load 

  Kurşun, Ali; Topçu, Muzaffer (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, ...

• Effect of coating material on wear in internal gears 

  Tunalıoğlu, Mert Şafak; Tuç, Bedri; Erdin, Muhammed Emin (Materials and Energy Research Center, 2017)

  Theoretical and experimental investigation of wear during coupling in internal gears coated with various polymeric coating materials was performed in this study. In the theoretical part of the study, Archards' wear formulation ...

• Nonlinear vibrations of spring-supported axially moving string 

  Kesimli, Ahmet; Özkaya, Erdoǧan; Bağdatlı, Süleyman Murat (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 ...

• Prediction model for the impact response of glass fibre reinforced aluminium foam sandwiches 

  Crupi, Vincenzo; Kara, Emre; Epasto, Gabriella; Guglielmino, Eugenio; Aykul, Halil (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 ...

• A novel two-layered glass-ceramic sealant design for solid oxide fuel cells 

  Bakal, Ahmet; Mat, Mahmut Dursun (John Wiley and Sons Ltd, 2017)

  A thermo-mechanical stress develops on the sealant of an solid oxide fuel cell (SOFC) stack because of thermal expansion coefficient (TEC) differences among ceramic electrolyte, metallic interconnector, and glass-ceramic ...

• A novel two-part interconnector for solid oxide fuel cells 

  Bakal, Ahmet; Aydın, Fatma; Mat, Mahmut Dursun; İbrahimoğlu, Beycan; Pamuk, İbrahim (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 ...

• Residual stress analysis and expansion of plastic zone in simple supported woven Ni-Cr reinforced thermoplastic matrix composite laminated plates 

  Aykul, Halil (2006)

  In this study, a residual stress analysis is carried out on symmetric and antisymmetric cross-ply and angleply thermoplastic simple supported laminated plates for transverse loading. Low density polyethylene thermoplastic ...

• Acoustic analysis of a liquefied petroleum gas-fired pulse combustor 

  Kılıçarslan, Ali; Arısoy, Arif (2008)

  Experimental investigation of acoustic characteristics of a Helmholtz type liquefied petroleum gas-fired pulse combustor is presented. In the experiments, the length of the tail pipe was changed from 1.9 m to 1.3 m by 10 ...

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