Toplam kayıt 2155, listelenen: 2001-2020

    • Some comparisons between MMAE and SCEM for solving singularly perturbed linear problems 

      Cengizci, Süleyman (3rd International Conference on Computational Mathematics and Engineering Sciences (CMES-2018), 2018)
      In this study, we propose an efficient method so-called Successive Complementary Expansion Method (SCEM) for approximating to the solutions of singularly perturbed two point boundary value problems. In this efficient ...
    • Osmanlı kentlerinde 19. yüzyıldaki dönüşümler: İstanbul, Büyükdere örneği 

      Akdeğirmen Ercan, Selin (Meltem İzmir Akdeniz Akademisi Dergisi, 2019)
      Büyükdere, Boğaz’ın Karadeniz girişindeki ilk, en büyük ve derin limanlardan biri olmasıyla birlikte, doğal çevresiyle Antik Dönem’den beri hem yerleşim hem de gezinti alanı olarak önemli bir bölge olmuştur. Özellikle 18. ...
    • An integrated permanent magnet Micro-turbo- generator supported on microball bearings 

      Beyaz, Mustafa İlker; Hanrahan, Brendan M.; Feldman, Jeremy H.; Ghodssi, Reza (Journal of Microelectromechanical Systems, 2013)
      This paper presents the design, fabrication, and testing of an integrated microturbogenerator utilizing permanent magnets and microball bearings. The key components of this generator are the following: 1) a silicon ...
    • Monitoring of actuation conditions in a micro- turbo-generator 

      Beyaz, Mustafa İlker; Hanrahan, Brendan M.; Feldman, Jeremy H.; Ghodssi, Reza (IEEE Sensors Journal, 2013)
      This paper presents the theory and implementation of an integrated sensing technique for the real-time measurement of applied actuation conditions in a micro-turbo-generator. The device is composed of a microturbine rotor ...
    • An adhesion-dominated rolling Friction regime unique to micro-scale ball bearings 

      Hanrahan, Brendan M.; Misra, Saswat; Beyaz, Mustafa İlker; Feldman, Jeremy H.; Waits, Christopher M.; Ghodssi, Reza (Tribology Letters, 2014)
      We demonstrate that micro-scale rolling bearings exhibit friction and wear properties markedly different from their macro-scale counterparts. A microfabricated testing platform uses variable rolling element diameters or ...
    • An investigation on the electromagnetic design optimization of rotary micromachines with double-layer permanent magnets 

      Özkaya, Kamil Yunus; Beyaz, Mustafa İlker (Sensors and Actuators A: Physical, 2015)
      Electromagnetic design optimization of axial-flux rotary micromachines utilizing double-layer permanent magnets is presented and applied to a micro-scale generator/spirometer currently under development. Double-layer magnet ...
    • The development and performance characterization of turbine prototypes for a MEMS spirometer 

      Göreke, Utku; Habibiabad, Sahar; Azgın, Kıvanç; Serinağaoğlu Doğrusöz, Yeşim; Beyaz, Mustafa İlker (IEEE Sensors Journal, 2016)
      The design, optimization, and performance characterization of turbine prototypes for the development of a Microelectromechanical Systems spirometer is reported. Four different turbines were designed based on large-scale ...
    • A non-resonant kinetic energy harvester for bioimplantable applications 

      Beyaz, Mustafa İlker; Baelhadj, Hacene; Habibiabad, Sahar; Adhikari, Shyam; Davoodi, Hossein; Badilita, Vlad (Micromachines, 2018)
      A linear non-resonant kinetic energy harvester for implantable devices is presented. The design contains a metal platform with permanent magnets, two stators with three-dimensional helical coils for increased power generation, ...
    • Energy harvesting from knee motion using piezoelectric patch transducers 

      Beyaz, Mustafa İlker (Academic Platform Journal of Engineering and Science, 2019)
      This paper presents a piezoelectric energy harvesting device that generates electrical power from knee motion during human gait. The device is composed of two MEMS-based piezoelectric patch transducers optimized for placement ...
    • Hybrid magnetic-piezoelectric energy harvester for power generation around waistline from gait 

      Beyaz, Mustafa İlker; Tat, Fatih; Özkaya, Kamil Yunus; Özbek, Ramazan (Journal of Electrical Engineering & Technology, 2019)
      The development of a novel hybrid energy harvester for scavenging power around human waistline is presented. The harvester is composed of mm-scale electromagnetic coils and piezoelectric transducers incorporated on a belt, ...
    • A turbine-based MEMS sensor for spirometry with wearable devices 

      Beyaz, Mustafa İlker; Habibiabad, Sahar; Yıldız, Hamza; Göreke, Utku; Azgın, Kıvanç (IEEE Sensors Journal, 2019)
      This paper presents a turbine-based microelectromechanical systems (MEMS) sensor for spirometry application. The compact sensor dimensions allow integration into smart wearable devices for mobile spirometry without a ...
    • Duygu düzenleme becerilerinin psikolojik sağlık üzerindeki etkisinin Amerika ve Türkiye örnekleminde incelenmesi 

      Gürcan Yıldırım, Derya; Sarısoy Aksüt, Gizem; Chentsova Dutton, Yulia (IX. Işık Savaşır Klinik Psikoloji Sempozyumu, 2019)
      Duygu düzenleme becerilerinin ruhsal sağlık üzerindeki etkileri birçok çalışma ile desteklenmiştir. Duygu düzenleme stratejilerinin kültürden de etkilendiği düşünülmektedir. Bu çalışmanın amacı kişisel ve kişilerarası duygu ...
    • A compact energy transducer for power generation from respiration 

      Beyaz, Mustafa İlker; Habibiabad, Sahar; Yıldız, Hamza; Göreke, Utku; Azgın, Kıvanç (Journal of Microelectromechanical Systems, 2019)
      This paper reports a compact magnetic transducer developed for generating electrical power from respiration. The device incorporates a side-drive turbine rotor with embedded permanent magnets and two stators, integrated ...
    • Algılanan ebeveyn özerklik desteğinin psikolojik sağlık üzerindeki etkisi 

      Sarısoy Aksüt, Gizem; Gürcan Yıldırım, Derya; Kaya Kurtman, Pınar (IX. Işık Savaşır Klinik Psikoloji Sempozyumu, 2019)
      Bireylerin çocukluk ya da ergenlik döneminde maruz kaldıkları ebeveynlik stilinin hem benlik ve kişilik gelişimine hem de yetişkinlik dönemipsikolojik sağlığına etki ettiği bilinmektedir. Ebeveyn tutumları arasında önemli ...
    • Helal turizm kavramı: tanımı ve kapsamı 

      Doğan, Oğuz (Eğitim Yayınevi, 2019)
      Turizm sektörüne olan ilgi, bireylerin değerlendirebilecekleri boş zamanlarının ve gelir düzeylerinin artmasına bağlı olarak, son yıllarda giderek artmaktadır. Bu sebeple hızla gelişen sektörlerin başında gelmektedir. ...
    • Pedestrian violations: reasoned or social reactive? Comparing theory of planned behaviour and prototype willingness model. 

      Demir, Başar; Özkan, Türker; Demir, Sıla (Transportation Research Part F: Traffic Psychology and Behaviour, 2019)
      Pedestrians hold high responsibility in accidents because of their unsafe traffic behaviors. Pedestrian violations are an important traffic safety problem, especially in low and middle-income countries. The problem would ...
    • Yoksulluğun sosyal psikolojik açıdan incelenmesi 

      Demir, Sıla (Nobel Akademik Yayıncılık, 2019)
      Yoksulluk bireylerin yaşamlarında sayısız fiziksel, psikolojik, akademik ve sosyal problemlere yol açan toplumsal bir olgudur. Kişilerin sahip olduğu psikososyal etmenler yoksulluğun olumsuz etkilerine karşı koruyucu rol ...
    • Asmalimescit’te gerçekleşen turizm odaklı kentsel değişim ve kent kimliğine etkileri 

      Taştan, Hasan; Ertürk, Serpil Fatma (1. Uluslararası Mimarlık Sempozyumu, 2018)
      Cities, which are a product of human and environmental interaction, are the places where people from different income groups live together and are transformed by the effects of changes in social, cultural, physical and ...
    • One-dimensional finite element simulations for chemically reactive hypersonic flows 

      Cengizci, Süleyman (8th International Eurasian Conference on Mathematical Sciences and Applications (IECMSA-2019), 2019)
      Hypersonic vehicles are utilized in recent years massively for both military and civilian purposes. As the vehicles fly through an atmosphere at hypersonic speeds (generally considered as Mach>), they experience critical ...
    • A comparison between MMAE and SCEM for solving singularly perturbed linear boundary layer problems 

      Cengizci, Süleyman (FILOMAT, 2019)
      In this study, we propose an efficient method so-called Successive Complementary Expansion Method (SCEM), that is based on generalized asymptotic expansions, for approximating to the solutions of singularly perturbed ...