Yazar "Alkan, Ümit" için listeleme
-
Ana Metal Sektöründe İş Sağlığı ve Güvenliğine İlişkin Değerlendirmeler ve Çözüm Önerileri
Erin, Efe; Caner Akın, Güfte; Alkan, Ümit (Osmaniye Korkut Ata Üniversitesi, 2023)Bu çalışmanın amacı; Türkiye'de ana metal sektörünün iş kazası sayıları açısından hangi boyutlarda olduğunun ortaya konulması ve kayıtlara geçen kaza sayılarının seçilen Avrupa Birliği ülkeleri ile karşılaştırmasının ... -
Artificial Neural Networks Study on Prediction of Dielectric Permittivity of Basalt/PANI Composites
Eyecioğlu, Önder; Karabul, Yaşar; Alkan, Ümit; Kılıç, Mehmet; İçelli, Orhan (İstanbul Gelişim Üniversitesi Yayınları / Istanbul Gelisim University Press, 2016-06-22)In the present study, the dielectric permittivity change of basalt (two type basalt; CM-1, KYZ-13) reinforced PANI composites were studied to determine the effects of PANI additivities (10.0, 25.0, 50.0 wt.%) at several ... -
Bulk Mgx B2 superconductor production by excess Mg and hot press methods and their properties
Yanmaz, Ekrem; Castillo-Berrio, Claudia; Alkan, Ümit; Ülgen, Asaf Tolga; Karaboğa, Fırat; Enis, Osman; Cingi, Didem Odabaşı; Alcan, Pelin; Saraçoğlu, İlkay (TENMAK Bor Araştırma Enstitüsü, 2017)Four different nominal compositions MgB2 , Mg1.5B2 , Mg2 B2 and Mg2.5B2 were produced by excess Mg method and hot press. These superconducting samples were compared in terms of structural, electric and magnetic ... -
Design and Control of A Mobile Steward Platform With Four Independent Wheels
Akkaya, Ergun Eray; Özer, Muhammet; Şentürk, Kenan; Öztürk, Volkan; Alkan, Ümit (Muğla Sıtkı Koçman Üniversitesi Fen Bilimleri Enstitüsü, 2022)For today’s automated vehicles and robots’ technologies in driving dynamics, the elasticity in movements has a critical role. These movements can be simulated by using some platforms which are staying on balance. It is ... -
DYPE/PANI kompozit filmlerin sıcaklığa ve PANI katkı konsantrasyonuna bağlı olarak dielektrik parametrelerinin GRSA ile tahmini
Kılıç, Mehmet; Eyecioğlu, Önder; Özdemir, Zeynep Güven; Alkan, Ümit (Oğuzhan Yılmaz, 2020)Bu çalışmada, düşük yoğunluklu polietilenin (DYPE) kompleks dielektrik fonksiyonunun gerçek ve sanal bileşenlerinin ( ve ) hem polianilin (PANI) katkısına hem de sıcaklığa bağlı değişimlerinin, genelleştirilmiş ... -
The Effects of PANI Concentration on the Mechanical Properties of PP/PANI Composites
Kılıç, Mehmet; Alkan, Ümit; Karabul, Yaşar; Berber Yamak, Hale; İçelli, Orhan (Afyon Kocatepe University, 2018)In this study, the effect of PANI additive with different concentrations (0.3-3.0 wt.%) on mechanical properties of Polypropylene/Polyaniline (PP/PANI) film composites have been investigated. The composites films obtained ... -
Effects of the γ-irradiation strength and basalt additive content on the mechanical performance and dielectric response of polypropylene films
Kılıç, Mehmet; Güven Özdemir, Zeynep; Alkan, Ümit; Karabul, Yaşar; İçelli, Orhan (WILEY, 111 RIVER ST, HOBOKEN 07030-5774, NJ, 2019)In this study, we investigated the effects of high-dose γ-ray irradiation on the mechanical and dielectric properties of polypropylene (PP)–basalt thick films. PP–basalt thick-film composites with various basalt contents ... -
Forecast Analysis of Renewable Solar Energy Production Using Meteorological Data with Machine Learning Methods
Macit Sezikli, Naciye; Alkan, Ümit; Zontul, Metin; Elabiad, Zeynep (Fatma Kutlu Gündoğdu, 2024)Solar energy power plants play a significant role in meeting the demand for sustainable and clean energy. However, variable weather conditions, seasonal effects, and similar factors can result in the need for energy ... -
Gamma-Ray Irradiation Effect on Mechanical and Dielectric Properties of Volcanic Basalt Mineral Reinforced Low Density Polyethylene Films
Kılıç, Mehmet; Karabul, Yaşar; Alkan, Ümit; Yağcı, Özlem; Okutan, Murat; Okutan, Mustafa; İçelli, Orhan (OFICYNA WYDAWNICZA POLITECHNIKI WROCLAWSKIEJ, WYBRZEZE WYSPIANSKIEGO 27, 50-370 WROCLAW, POLAND, 2017)The aim of the work is to study the mechanical and dielectric properties of low density polyethylene (LDPE) that can be modified by basalt mineral under low dose gamma irradiation. The composite films are prepared by a ... -
Influence of Degradation of PLA with High Degree of Crystallinity on Fungal Community Structure in Compost
Karamanlıoğlu, Mehlika; Alkan, Ümit (TAYLOR & FRANCIS INC, 530 WALNUT STREET, STE 850, PHILADELPHIA, PA 19106, 2020)Degradation rate of poly(lactic acid) (PLA), a compostable plastic, is affected by its physical properties and environmental conditions. Since PLA with different physical properties enter composting systems, investigation ... -
Influence of Time and Room Temperature on Mechanical and Thermal Degradation of Poly(lactic) Acid
Karamanlıoğlu, Mehlika; Alkan, Ümit (VINCA INST NUCLEAR SCI, MIHAJLA PETROVICA-ALASA 12-14 VINCA, 11037 BELGRADE. POB 522, BELGRADE, 11001, SERBIA, 2019)Poly(lactic) acid (PLA), is a compostable thermoplastic which degrades fast under composting conditions of microorganisms, high humidity, and temperatures. However, PLA degrades slowly below its glass transition temperature ... -
İnşaat Sektöründe İş Kazalarının Yapay Sinir Ağı İle Değerlendirilmesi: İstanbul İlinde Bir Örnek Uygulama
Caner Akın, Güfte; Duman, İbrahim; Alkan, Ümit (Serpil Aytaç, 2021)İş sağlığı ve güvenliğinde yapay sinir ağı modeli ile inşaat sektöründe kaza risklerinin değerlendirmesine yönelik olan bu çalışmada, kaza verileri üzerinden modelleme gerçekleştirilmiştir. Bu çalışmada, kaza ... -
X-ray irradiated LDPE/PP blends with high mechanical and dielectric performance
Alkan, Ümit; Kılıç, Mehmet; Karabul, Yaşar; Çağlar, Mustafa; İçelli, Orhan; Güven Özdemir, Zeynep (WILEY, 111 RIVER ST, HOBOKEN 07030-5774, NJ, 2018)In this study, the influences of polypropylene (PP) additive (varying from 20% to 80% wt) and low dose X-ray irradiation (changing from 25 to 100 Gy) on the mechanical and dielectric properties of low-density polyethylene ...
