Başlık için Mühendislik Fakültesi listeleme
Toplam kayıt 847, listelenen: 589-608
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On channel estimation in DC biased optical OFDM systems over VLC channels
(Ieee, 2016)Visible Light Communication(VLC) has been considered as a potential access option for 5G wireless systems to solve performance limitation due to bandwidth shortage at radio frequency (RF) band. in (VLC) system, illumination ... -
On the effect of green nonstructural materials on scour reduction downstream of grid dissipators
(IWA Publishing, 2023)In this study, a nonstructural and eco-friendly solution has been used to reduce scouring downstream of screens. Upstream of the screen are stilling basins protected against scouring, but downstream locations are subjected ... -
On the plane receding contact between two functionally graded layers using computational, finite element and artificial neural network methods
(Wiley, 2022)The frictionless double receding contact problem for two functionally graded (FG) layers pressed by a uniformly distributed load is addressed in this paper. The gradation in the layers is assumed to follow an exponential ... -
On the tse of nanofluids in solar energy applications
(Springer, 2020)Renewable energy technologies are in the centre of interest to narrow the gap between fossil fuels and clean energy systems. the dominant role of solar energy systems among the alternatives is beyond question owing to being ... -
Optical and electrical properties of refined carbon derived from industrial tea waste
(Iop Publishing Ltd, 2020)The utilization of nano- and well-ordered carbon materials such as graphene especially in carbon-based electrical devices and in energy storage areas is becoming important in terms of developing economical methods and ... -
Optical and structural properties of bismuth doped ZnO thin films by sol-gel method: urbach rule as a function of crystal defects
(Polish Acad Sciences Inst Physics, 2014)Bismuth (Bi) doped zinc oxide (ZnO:Bi) thin films were prepared on glass substrates by sol gel spin coating technique using homogeneous precursor solutions, and effects of Bi doping on the structural and optical properties ... -
Optical properties of GaS crystals: Combined study of temperature-dependent band gap energy and oscillator parameters
(National Institute of Science Communication and Information Resources (NISCAIR), 2017)Optical parameters of gallium sulfide (GaS) layered single crystals have been found through temperature-dependent transmission and room temperature reflection experiments in the wavelength range of 400-1100 nm. Experimental ... -
Optical, vibrational, electrical, and electrochemical studies of new plasticized methylcellulose-based solid polymer electrolytes for supercapacitor application
(Wiley, 2023)In this work, new plasticized solid polymer electrolytes (SPEs) are developed using MC (methylcellulose) as a polymer host, and sodium iodide (NaI) as a dopant via the solution casting method. Ethyl carbonate (EC) is used ... -
Optimised performance of a thermally resistive PV glazing technology: An experimental validation
(Elsevier, 2019)Thermally resistive PV glazing (TRPVG), which is a recently developed technology for low/zero carbon buildings, is in the centre of interest worldwide as a consequence of multifunctional benefits of this novel product such ... -
Optimization of performance and emission characteristics of the CI engine fueled with preheated palm oil in blends with diesel fuel
(MDPI, 2022)In this analytical investigation, preheated palm oil was used in the direct injection diesel engine with various optimization methods. The main purpose of the optimization was to get better results than the conventional ... -
Optimization of strength, ductility and wear resistance of low-carbon grade A shipbuilding steel by post-ECAP annealing
(EDP Sciences, 2021)Effect of equal channel angular pressing (ECAP) and subsequent annealing on the microstructure, mechanical properties and tribological behavior of grade A shipbuilding steel was investigated. Coarse-grained microstructure ... -
Optimization of transformer parameters at distribution and power levels with hybrid Grey wolf-whale optimization algorithm
(Elsevier, 2023)Oil-type transformers (OTT) are used more than dry-type transformers, based on cost in the transmission and distribution of electrical energy. Therefore, this usage density increases the importance of cost in OTT. Weight ... -
Optimizing soybean biofuel blends for sustainable urban medium-duty commercial vehicles in India: an AI-driven approach
(Springer, 2024)This article presents the outcomes of a research study focused on optimizing the performance of soybean biofuel blends derived from soybean seeds specifically for urban medium-duty commercial vehicles. The study took into ... -
An overview of cryptographic accumulators
(Scitepress, 2021)This paper contributes a primer on cryptographic accumulators and how to apply them practically. A cryptographic accumulator is a space- and time-efficient data structure used for set membership tests. Since it is possible ... -
An overview of the existing and future state of the art advancement of hybrid energy systems based on PV-solar and wind
(Oxford University Press, 2024)Increasing solar and wind power use in existing power systems could create significant technical issues, especially for grids with poor connectivity or stand-alone systems needing more adequate storage capacity. This is ... -
An overview of the principles of low-temperature superplasticity in metallic materials processed by severe plastic deformation
(Japan Institute of Metals (JIM), 2023)Low-temperature superplasticity (LTS) is crucial to reduce manufacturing cost and to enhance the applications of superplastic forming. It is well known that grain refinement is the key point to decrease the temperature at ... -
An overview on MOSFET drivers and converter applications
(Taylor & Francis Ltd., 2021)The metal oxide semiconductor field effect transistor (MOSFET) drivers are among the main components for most power electronic applications. Increasing the switching frequency from kHz to MHz levels, MOSFETs' current, power ... -
Palaeobiogeographical implications of the first fossil wood flora from the Jurassic of Turkey
(Instytut Paleobiologii PAN, 2022)We describe Jurassic fossilized woods from the Gümüşhane and Erzurum regions of Turkey that represent the eastern Sakarya Zone (eSZ) terrestrial biota. We collected 27 fossil wood fragments in total. All 27 fossil wood ... -
The Paleogene ophiolite conundrum of the Iran-Iraq border region
(Geological Soc Publ House, 2020)New and compiled geochemical, isotopic and geochronological data allow us to propose a new explanation for Paleogene oceanic magmatic rocks along the Iran-Iraq border. These rocks are represented by a thick pile (>1000 m) ... -
Parallel-connected buck-boost converter with FLC for hybrid energy system
(Taylor & Francis Ltd., 2021)The control of renewable energy sources is more complicated when used as hybrid energy systems. Power electronic circuits are used to convert and store the electrical energy generated from renewable energy sources. However, ...
