Browsing Faculty of Engineering by Title
Now showing items 1257-1276 of 3117
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Investigation of combined optical and thermal effects on phosphor converted light-emitting diodes with liquid immersion cooling
(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 ... -
Investigation of corrosion behavior of carbon steel for petroleum pipeline applications under turbulent flow conditions
(Institute of Information Science, 2020)This study investigates the corrosion of steel samples immersed in water with a dynamic corrosion setup at different pH values for three different velocities and three different exposure time. The characteristics of material ... -
Investigation of P-wave scalar and S-wave pseudo-scalar charmonia semileptonic transitions to the Ds(D) meson in QCD
(IOP Publishing, 2010)In this work, the semileptonic decays of the scalar charmonium state Xc0 and the pseudo scalar charmonia states ηc(1s) and ηc(2s) into Ds and D mesons are analyzed. The form factors of the transitions Xc0 → Ds(D)_ν and ... -
Investigation of pair distribution function method on structural analysis of nanocrystalline powders
(Int Union Crystallography, 2022-08)N/A -
An investigation of performance of synthetic jets emanating from circular, elliptical and rectangular nozzles
(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
(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 ... -
Investigation of soot formation of ethylene/air jet diffusion flame with rank correlated slw including ethylene and acetylene radiation
(Begell House Inc., 2023)Radiation is significant, especially in sooting flames. The interaction between radiation and soot considerably affects the combustion regime. Spectral radiation models that account for the radiative effects of sooting ... -
Investigation of the effect of particle stability on the transport properties and thermal behavior of ethylene glycol-water/SiO2 binary nanofluids
(IOP Publishing, 2020-04-09)Nanofluids (Nfs) are considered as an effective working media in different thermal processes. Over the years, much attention has been paid to the problem of nanoparticle stability in base fluids in an unconfined area of ... -
An investigation of the effects of surface topography on the seismic structural demands for a region of istanbul
(CRC Press, 2019)In this study, we provide preliminary results from an ongoing study—funded by The Scientific and Technological Research Council of Turkey, TUBITAK—investigating the effects of site-specific surface topography and soil ... -
Investigation of the excited states in hidden charm hidden strange sector
(2018)In this work, we studied the radial excitations of X(4140) and like states within QCD sum rules. We chose three molecular and three diquark-antidiquark currents with the quark content cc‾ss‾ and JPC = 0++, 1++, 2++, and ... -
Investigation of the extent of field data required for reliable calibration and validation of large scale traffic simulation models: A case study
(IEEE, 2020-09-20)Availability, accuracy and relevance of field data are essential for developing a reliable simulation model. Large scale simulation models in particular require data from many sources and in great detail. Considering the ... -
Investigation of the refrigerator bottom cabinet cavity acoustic behavior
(2013-08)This thesis investigates the computational and experimental analysis for the acoustic behavior of a bottom cabinet cavity in a refrigerator. The finite element and analytical approaches are used in order to determine the ... -
IP-based energetic reasoning for the resource constrained project scheduling problem
(Elsevier, 2010-08-01)In this paper, we consider the Resource Constrained Project Scheduling Problem (RCPSP). New feasibility tests for the energetic reasoning are introduced based on new integer programming (IP) formulations. Experimental ... -
Is visible light communications suitable for using in lane-changing maneuvers?
(IEEE, 2023)Lane-changing behaviour is a crucial aspect of driving that requires a safe and efficient driving environment. To achieve this, an accurate perception of the surrounding vehicles and environment is essential, enabling the ... -
Isovector axial-vector form factors of octet baryons in QCD
(American Physical Society, 2011-06-01)We compute the diagonal isovector axial-vector as well as induced pseudoscalar form factors of nucleon, Σ, and ≡ baryons by employing the light-cone QCD sum rules to leading order in QCD and including distribution amplitudes ... -
Iterative near maximum-likelihood sequence detection for MIMO optical wireless systems
(IEEE, 2010-04)A major performance-limiting factor in terrestrial optical wireless (OW) systems is turbulence-induced fading. Exploiting the additional degrees of freedom in the spatial dimension, multiple laser transmitters combined ... -
Iterative signal detection under timing errors for optical wireless links with high mobility
(IEEE, 2021-11-01)In this paper, the problem of timing error for freespace optical links with high mobility is investigated. In particular, we consider a real scenario in which the sampling clock offset is randomly changing and, in addition, ... -
İşbirlikli haberleşmede birleştirilmiş zaman kayması ve sönümlemeli kanal katsayısı kestirimi
(IEEE, 2013)In this paper, we investigate joint channel gain and time offset estimation for two different data aided methods in cooperative communication with amplify-and-forward (AF) relaying. First one is the Cascaded Estimation ... -
Jet and underlying event properties as a function of charged-particle multiplicity in proton–proton collisions at TeX
(Springer Science+Business Media, 2013-12)Characteristics of multi-particle production in proton-proton collisions at root s = 7 TeV are studied as a function of the charged-particle multiplicity, N (ch). The produced particles are separated into two classes: those ... -
Jet energy scale and resolution in the CMS experiment in pp collisions at 8 TeV
(IOP , 2017)Improved jet energy scale corrections, based on a data sample corresponding to an integrated luminosity of 19.7 fb-1 collected by the CMS experiment in proton-proton collisions at a center-of-mass energy of 8 TeV, are ...
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