Browsing by Author "2"
Now showing items 221-240 of 398
-
An investigation into momentum and temperature fields of a meso-scale slot synthetic jet for a small jet-to-surface spacing
Ghaffari, Omidreza; Doğruöz, M. B.; Arık, Mehmet (Begell House Inc., 2014)Impinging synthetic jets have been identified as a promising technology for cooling miniature structures. Recognizing their thermal performance on the target surface requires a fundamental understanding of the momentum ... -
An investigation into performance characteristics of an axial flow Fan using CFD for electronic devices
Hashim, Hafiz Muhammad; Doğruöz, M. B.; Arık, Mehmet; Parlak, M. (ASME, 2015)Rotating fans are widely utilized in thermal management applications and their accurate characterization has recently become even a more critical issue for thermofluids engineers. The present study investigates the ... -
Investigation of combined optical and thermal effects on phosphor converted light-emitting diodes with liquid immersion cooling
Kahvecioğlu, Halil İbrahim; Tamdoğan, E.; Arık, Mehmet (SPIE, 2018)The inclusion of phosphor into a high brightness light-emitting diode (LED) package is a complicated task since LEDs are encapsulated with a phosphor and epoxy mixture to convert blue photons to white light. Moreover, this ... -
An investigation of performance of synthetic jets emanating from circular, elliptical and rectangular nozzles
Işıl, Onuralp; Doğruöz, M. B.; Arık, Mehmet (IEEE, 2018-07-24)Impinging synthetic jets have been considered as a future solution for cooling miniature structures. Synthetic jet performance is sensitive to a number of parameters such as orifice size, orifice shape and nozzle-to-target ... -
Investigation of power distribution on an axial fan
Hashim, Hafiz Muhammad; Yasa, Y.; Dogruoz, M. B.; Arık, Mehmet; Mese, E. (IEEE, 2016)Forced convection cooling systems utilize fans which can be axial or radial, small or large in many different configurations. Efficiency of a fan depends on its electrical and mechanical designs as well as the environmental ... -
İlgilenim kavramı ve türkçe i̇lgilenim ölçeklerinin değerlendirilmesi: tüketici i̇lgilenimi, sürekli i̇lgilenim ve satın alma kararı i̇lgilenimi
Kandemi̇r, D.; Atakan, Şükriye Sinem; Demi̇rci̇, Ceren (Bilgesel Yayıncılık, 2013)Bu çalışma, psikoloji ve tüketici davranışları literatürlerinde ilgilenim kavramının anlamı ve ilgilenim ölçeklerinin Türkçe kullanımına ilişkin kapsamlı bir inceleme sunmaktadır. Türkçe çalışmalarda kullanılabilmesi için ... -
İstanbul'daki 1. sınıf restoranlarda gelir yönetimi uygulamaları
Demirçiftçi, Tevfik; Akova, O.; Mamadi, Ziya (Ankara Hacı Bayram Veli University, 2016-11-15)Gelir Yönetimi, rekabetin artmasıyla birlikte birçok işletmede günden güne kullanımı yaygınlaşmakta olan bir uygulama haline gelmektedir. Etkin bir şekilde kullanıldığında işletmenin kar oranları ciddi bir biçimde ... -
Joint bit and power loading for adaptive MIMO OFDM VLC systems
Siddiqi, U. F.; Narmanlıoğlu, Ömer; Uysal, Murat; Sait, S. M. (Wiley, 2020-07)Visible light communication (VLC) is a short-range wireless access technology based on the dual use of illumination structure. The frequency-selective characteristics of VLC channels motivate the use of orthogonal frequency ... -
Kamera ve ataletsel ölçüm birimi iç kalibrasyonu
Erdem, Tanju; Ercan, Ali Özer; Aydın, T. (IEEE, 2013)In this paper, we address the problem of internal calibration of a camera and an inertial measurement unit (IMU). The internal calibration of a camera and an IMU requires the determination of the relative orientation and ... -
Konuşmacı aradeğerlemeli SMM tabanlı metinden konuşma sentezleme si̇stemi
Orhan, Mustafa Cem; Demiroğlu, Cenk (IEEE, 2011)Hidden Markov Model (HMM) based text-to-speech (TTS) systems offer many advantages compared to the concatenative approach. One of those advantages is the ability to interpolate between different speakers to generate new ... -
Kullanıcı Eğitiminde Bir Başka Araç: Kütüphane Hizmet ve Kaynaklarının Ders Yönetim Sistemine Entegrasyonu
Leblebici, Emre Gökhan; Önder, Muhteşem Hakkı (2013-03-21)Ders Yönetim Sistemi öğretim görevlisi ile görüşme ya da ders kaydı oluşturma gibi işlemler için tasarlanmıştır. Bu sistem dosya paylaşımının yanı sıra randevu alma ya da anket ve geri bildirim formları hazırlama gibi ... -
Learning portfolio (LP) to enhance constructivism and student autonomy
Büyükduman, İlke; Dülger, Selen Şirin (Elsevier, 2010)A learning portfolio (LP) can be broadly defined as a purposeful collection of student work that exhibits the student's efforts, progress and achievements (Smith & Tillema, 1998). At Preparatory Program at Ozyegin University ... -
‘Learning portfolio’ to enhance constructivism and student autonomy
Büyükduman, İlke; Dülger, Selen Şirin (2010)At Ozyegin University (OzU), a new evaluation system is being implemented. In this talk, the components of LP practice at OzU will be presented, relating the process to the principles of constructivism and learner autonomy. ... -
LiFi channel models: office, home, manufacturing cell
Uysal, Murat; Miramirkhani, Farshad; Baykas, T.; Serafimovski, N.; Jungnickel, J. (IEEE, 2015-09)Purpose Providing channel models which allow a fair comparison of different physical layer (PHY) High Rate PD Communications proposals submitted to TG7r1 in response to the Call for Proposals (CFP). ... Notice This document ... -
LiFi reference channel models: office, home, hospital
Uysal, Murat; Miramirkhani, Farshad (IEEE, 2015-07)Purpose To introduce reference channel models for the evaluation of different PHY proposals. Notice This document has been prepared to assist the IEEE P802.15. It is offered as a basis for discussion and is not binding ... -
LIG at MediaEval 2015 multimodal person discovery in broadcast TV task
Budnik, M.; Safadi, B.; Besacier, L.; Quénot, G.; Khodabakhsh, Ali; Demiroğlu, Cenk (CEUR-WS, 2015)In this working notes paper the contribution of the LIG team (partnership between Univ. Grenoble Alpes and Ozyegin University) to the Multimodal Person Discovery in Broadcast TV task in MediaEval 2015 is presented. The ... -
Link adaptation for MIMO OFDM visible light communication systems
Narmanlıoğlu, Ömer; Kizilirmak, R. C.; Baykas, T.; Uysal, Murat (IEEE, 2017-11-10)In this paper, we investigate link adaptation for an orthogonal frequency division multiplexing (OFDM)-based multiple-input multiple-output (MIMO) visible light communication (VLC) system. The proposed adaptive OFDM VLC ... -
A literature review on inventory management in humanitarian supply chains
Koyuncu, Burcu Balçık; Bozkir, Cem Deniz Çağlar; Kundakcıoğlu, Ömer Erhun (Elsevier, 2016)In this paper, we present a review and analysis of studies that focus on humanitarian inventory planning and management. Specifically, we focus on papers which develop policies and models to determine how much to stock, ... -
Load dependent lead time modelling: a robust optimization approach
Albey, Erinç; Yanıkoğlu, İhsan; Uzsoy, R. (IEEE, 2018-01-04)Although production planning models using nonlinear CFs have shown promising results for semiconductor wafer fabrication facilities, the lack of an effective methodology for estimating the CFs is a significant obstacle to ... -
Location attestation and access control for mobile devices using GeoXACML
Arunkumar, S.; Soyluoglu, Berker; Şensoy, Murat; Srivatsa, M.; Rajarajan, M. (Elsevier, 2017-02)Access control has been applied in various scenarios in the past for negotiating the best policy. Solutions with XACML for access control has been very well explored by research and have resulted in significant contributions ...
Share this page