Browsing Faculty of Engineering by Title
Now showing items 2941-2960 of 3117
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Thermal and optical performance characterization of bare and phosphor converted LEDs through package level immersion cooling
(Elsevier, 2022-06-15)Increased demand for high flux electronics requires creative and affordable thermal management approaches to meet the performance and lifetime expectations. In the present study, optical and thermal improvements of a new ... -
Thermal and optical performance of eco-friendly silk fibroin proteins as a cavity encapsulation over LED systems
(ASME, 2015)The demand for high power LEDs for illumination applications is increasing. LED package encapsulation is one of most critical materials that affect the optical path of the generated light by LEDs, and may result in lumen ... -
Thermal enhancement of an LED light engine for automotive exterior lighting with advanced heat spreader technology
(ASME, 2016)In recent years, light emitting diodes (LEDs) have become an attractive technology for general and automotive illumination systems. LEDs have been preferable for automobile lighting due to its numerous advantages such as ... -
Thermal impacts on the performance of nanoscale-gap thermophotovoltaic power generators
(IEEE, 2011-06)The thermal impacts on the performance of nanoscale-gap thermophotovoltaic (nano-TPV) power generators are investigated using a coupled near-field thermal radiation, charge, and heat transport formulation. A nano-TPV device ... -
Thermal performance of a light emitting diode light engine for a multipurpose automotive exterior lighting system with competing board technologies
(ASME, 2017-06-12)In recent years, light emitting diodes (LEDs) have become an attractive technology for general and automotive illumination systems replacing old-fashioned incandescent and halogen systems. LEDs are preferable for automobile ... -
A thermodynamically consistent stress-rate type model of one-dimensional strain-limiting viscoelasticity
(Springer Nature, 2020-05-28)We introduce a one-dimensional stress-rate type nonlinear viscoelastic model for solids that obey the assumptions of the strain-limiting theory. Unlike the classical viscoelasticity theory, the critical hypothesis in the ... -
Thresholds for global existence and blow-up in a general class of doubly dispersive nonlocal wave equations
(Elsevier, 2014-01)In this paper we study the global existence and blow-up of solutions for a general class of nonlocal nonlinear wave equations with power-type nonlinearities, View the MathML source, where the nonlocality enters through two ... -
TIDY: A trust-based approach to information fusion through diversity
(IEEE, 2013)Trust and reputation are significant components in open dynamic systems for making informed and reliable decisions. State-of-the-art information fusion models that exploit these mechanisms generally rely on reports from ... -
Tight compact models and comparative analysis for the prize collecting Steiner tree problem
(Elsevier, 2013-03)We investigate a generalized version of the prize collecting Steiner tree problem (PCSTP), where each node of a given weighted graph is associated with a prize as well as a penalty cost. The problem is to find a tree ... -
Time series predictive models for opponent behavior modeling in bilateral negotiations
(Springer, 2023)In agent-based negotiations, it is crucial to understand the opponent’s behavior and predict its bidding pattern to act strategically. Foreseeing the utility of the opponent’s coming offer provides valuable insight to the ... -
Time travel in Turkish: WordNets for modern Turkish
(European Language Resources Association (ELRA), 2022)Wordnets have been popular tools for providing and representing semantic and lexical relations of languages. They are useful tools for various purposes in NLP studies. Many researches created WordNets for different languages. ... -
Time-correlated sparsification for communication-efficient federated learning
(IEEE, 2021)Federated learning (FL) enables multiple clients to collaboratively train a shared model, with the help of a parameter server (PS), without disclosing their local datasets. However, due to the increasing size of the trained ... -
The time-lag effect of natural gas prices on electricity prices in turkiye: an analysis of the post-pandemic market
(IEEE, 2023)This study investigates the relationship between natural gas and electricity prices in Turkiye, one of the countries affected by sudden increases in natural gas prices after the pandemic and regional conflicts. Turkiye ... -
Tools and techniques for implementation of real-time video processing algorithms
(Springer Nature, 2019-01)This paper describes flexible tools and techniques that can be used to efficiently design/generate quite a variety of hardware IP blocks for highly parameterized real-time video processing algorithms. The tools and techniques ... -
Top pair spin correlation studies in CMS
(Sissa Medialab Srl, 2021-02-08)Measurement of tt¯ spin correlations are presented in event with top quarks produced in pp collisions at the LHC. The data correspond to an integrated luminosities of 19.5 fb-1 at vs = 8 TeV and 36 fb-1 at vs = 13 TeV ... -
Top-quark forward-backward asymmetry from a color-octet t-channel resonance
(American Physical Society, 2014-05-09)We consider new physics contributions to the top-quark forward-backward asymmetry from a neutral V-8(0) or charged V-8(+) color-octet vector exchanged in the t channel. We study the phenomenological constraints on these ... -
A topological o opological overview of micr view of microgrids: fr ogrids: from maturity t om maturity to the futur o the future
(TÜBİTAK, 2021)The concept of microgrid (MG) has attracted great attention from the system operators for increasing operational effectiveness as well as providing more reliable, sustainable and economic power system. In this paper, a ... -
A topology for policies in decentralized stochastic control and existence of optimal policies
(IEEE, 2018)In this paper, we introduce a topology for policies in decentralized stochastic control models to establish the existence of team-optimal policies for both static and a class of sequential dynamic teams. We first consider ... -
A topology for team policies and existence of optimal team policies in stochastic team theory
(IEEE, 2020-01)In this paper, we establish the existence of team-optimal policies for static teams and a class of sequential dynamic teams. We first consider the static team problems and show the existence of optimal policies under certain ... -
Topology optimization of an anti roll bar of a heavy commercial truck for vehicle dynamics and durability
(The American Society of Mechanical Engineers, 2019)Meeting the stringent requirements on fuel economy and emissions is still a challenge for automotive original equipment manufacturers (OEMs). In this study, we consider the light weighting opportunities of a heavy commercial ...
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