Browsing Faculty of Engineering by Title
Now showing items 1878-1897 of 3117
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On the decoupling of the improved Boussinesq equation into two uncoupled Camassa-Holm equations
(American Institute of Mathematical Sciences, 2017-06)We rigorously establish that, in the long-wave regime characterized by the assumptions of long wavelength and small amplitude, bidirectional solutions of the improved Boussinesq equation tend to associated solutions of two ... -
On the density of branching Brownian motion
(Hacettepe University, 2023-02-15)We consider a d-dimensional dyadic branching Brownian motion, and study the density of its support in the region where there is typically exponential growth of particles. Using geometric arguments and an extension of a ... -
On the development of a novel multi-phase high entropy alloy with transformation-induced plasticity effect
(Elsevier, 2022-06-05)In the present work, microstructural evolution, and mechanical behavior of a novel high entropy alloy (HEA) are investigated through thermo-mechanical processing. The homogenized samples possess a single-phase cubic structure ... -
On the effects of combined atmospheric fading and misalignment on the hybrid FSO/RF transmission
(The Optical Society, 2016)Free-space optical (FSO) communication is known for its various impairments such as atmospheric turbulence and misalignment fading. In this paper, we study the performance of an FSO link operating under combined path loss ... -
On the effects of temperature on the performances of FSO transmission under qatar's climate
(IEEE, 2017-11-14)Strong atmospheric turbulence can highly affect the free space optical (FSO) link. In fact, the strength of turbulence is depending on weather factors where the temperature is considered as the main parameter increasing ... -
On the EMG-based torque estimation for humans coupled with a force-controlled elbow exoskeleton
(IEEE, 2015)Exoskeletons are successful at supporting human motion only when the necessary amount of power is provided at the right time. Exoskeleton control based on EMG signals can be utilized to command the required amount of support ... -
On the existence, uniqueness, and stability of periodic waves for the fractional Benjamin–Bona–Mahony equation
(Wiley, 2022-01)The existence, uniqueness, and stability of periodic traveling waves for the fractional Benjamin–Bona–Mahony equation is considered. In our approach, we give sufficient conditions to prove a uniqueness result for the ... -
On the fatigue and fracture behavior of keyhole-free friction stir spot welded joints in an aluminum alloy
(Elsevier, 2021-03)The target of this research study was to evaluate the shear-tensile and fatigue behavior of aluminum 6061 alloy welds, in two different heat treatment conditions, joined by the recently developed intermediate layer friction ... -
On the feasibility of synchronous, retransmission-based cognitive networks
(Elsevier, 2016-01)This paper presents a new, joint Markov chain model for the primary and secondary traffic in a cognitive radio network to assess the feasibility of opportunistic spectrum access for different operational scenarios, validated ... -
On the friction stir processing of additive-manufactured 316L stainless steel
(Wiley, 2022-10)The novel combination of friction stir processing (FSP) and additive manufacturing (AM) is studied herein. Laser-based powder bed fusion of metals (PBF-LB/M) is used to establish 316 L stainless steel with a bimodal ... -
On the full dispersion Kadomtsev–Petviashvili equations for dispersive elastic waves
(Elsevier, 2022-09)Full dispersive models of water waves, such as the Whitham equation and the full dispersion Kadomtsev–Petviashvili (KP) equation, are interesting from both the physical and mathematical points of view. This paper studies ... -
On the high-temperature flow response of friction stir processed magnesium metal matrix composites
(ASME, 2021-01-01)In the current work, multi-pass friction stir processing (FSP) was utilized to fabricate samples of fine-grained aluminum-zinc (AZ) magnesium alloy and its metal matrix composite (MMC). The microstructure and high-temperature ... -
On the individual droplet growth modeling and heat transfer analysis in dropwise condensation
(IEEE, 2021-10)The low convective coefficient at condenser part of spreaders and vapor chambers due to film blanket blocking encourages utilizing dropwise condensation (DWC). Challenges exist in the experimental characterization of DWC, ... -
On the low-cycle fatigue behavior of a multi-phase high entropy alloy with enhanced plasticity
(Elsevier, 2023-08)A multi-phase non-equiatomic FeCrNiMnCo high entropy alloy (HEA) was fabricated using vacuum induction melting. Thermo-mechanical treatments consisting of cold rolling and annealing at 750 °C and 850 °C were employed to ... -
On the mechanical behavior of accumulative roll bonded lightweight composite
(IOP Publishing, 2019-09)Multi-layered composites have received great interest due to their enhanced mechanical and physical properties. In this study, Al6061/Al2024 composites were processed by accumulative roll bonding as a severe plastic ... -
On the mechanical behavior of cold deformed aluminum 7075 alloy at elevated temperatures
(Elsevier, 2016-07-18)In the present study, elevated temperature deformation behavior and microstructural evolution of 7075 aluminum alloy at annealed and cold rolled conditions were examined. Isothermal uniaxial tensile tests at a temperature ... -
On the optimization of underwater quantum key distribution systems with time-gated SPADs
(Optica Publishing Group, 2022-08-01)In this paper, we study the effect of various transmitter and receiver parameters on the quantum bit error rate (QBER) performance of underwater quantum key distribution. We utilize a Monte Carlo approach to simulate the ... -
On the performance analysis of multirelay cooperative diversity systems with channel estimation errors
(IEEE, 2011-06)In this paper, we investigate the performance of an amplify-and-forward (AF) cooperative diversity system with multiple relays in the presence of channel estimation errors. We consider both conventional relaying (in which ... -
On the performance of DCO-OFDM visible light communication systems under illumination constraints
(IEEE, 2015)In this paper, we consider a DC-biased optical-orthogonal frequency division multiplexing (DCO-OFDM) visible light communication system and investigate its error rate performance under illumination constraints. First, we ... -
On the performance of MIMO cooperative transmission for broadband vehicular networks
(IEEE, 2015-06)In this paper, we investigate the performance of a cooperative vehicular network over a doubly selective fading channel using multiple antennas at source and destination vehicles. Under the assumption of amplify-and-forward ...
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