Güncel Gönderiler: Gemi İnşaatı ve Gemi Makineleri Mühendisliği Bölümü Koleksiyonu
Toplam kayıt 54, listelenen: 21-40
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The non-resonant intense laser field effects on the binding energies and the nonlinear optical properties of a donor impurity in Rosen–Morse quantum well
(Springer, 2022)We analyze the influence of electron–donor impurity interaction as well as of a high-frequency non-resonant intense laser field on the intraband linear, third-order nonlinear, and total optical absorption coefficients in ... -
High performance CFD simulations of sloshing in a moving tank with SPH method
(American Institute of Physics, 2021)The aim of this work is modeling of sway-sloshing motion in a partially filled rectangular tank while different frequency of motions are enforced. Within the study, a CFD code based on Smooth Particle Hydrodynamics (SPH) ... -
A generalized hybrid smoothed particle hydrodynamics–peridynamics algorithm with a novel Lagrangian mapping for solution and failure analysis of fluid–structure interaction problems
(Elsevier, 2022)Fluid–structure interaction problems (FSI) are omnipresent in a wide variety of engineering fields and includes highly non-linear physics such as violent free-surface flow, complex interfacial and inter-phase interactions, ... -
Determination of methanol concentration in ethanol in liquid phase by a phononic crystal Mach-Zehnder interferometer
(Physical Societies of the Nordic Countries, 2021)A practical and portable ultrasonic interferometric sensor to detect methanol concentration in ethanol in the liquid phase is numerically investigated. For high-sensitivity operation, the sensor is designed as a Mach-Zehnder ... -
A decision-making process for the selection of better ship main dimensions by a Pareto frontier solution
(Elsevier, 2021)Initial ship design necessitates the evaluation of main ship parameters to obtain a feasible design solution satisfying the objectives. Traditionally, relationship between main dimensions and design parameters of proven ... -
An investigation on the solvent based carbon capture and storage system by process modeling and comparisons with another carbon control methods for different ships
(Elsevier, 2021)This study investigates the effects of hydraulic design parameters of separation columns on the effectiveness of the solvent-based carbon capture and storage (CCS) systems and performs the cost analyses of CCS systems for ... -
Optical properties of a GaAs quantum well with new type of hyperbolic confinement potential: Effect of structure parameters and intense laser field
(Elsevier, 2021)In this present study, we have investigated theoretically the effect of structure parameters ( and ) and high-frequency intense laser field (ILF) on the linear and nonlinear optical properties of a GaAs quantum well (QW) ... -
Sharp bends of phononic crystal surface modes
(Iop Publishing Ltd, 2015)Sharp bending of surface waves at the interface of a two-dimensional phononic crystal (PnC) of steel cylinders in air and the method of using a diagonally offset cylindrical scatterer are numerically demonstrated by ... -
Low-concentration liquid sensing by an acoustic Mach-Zehnder interferometer in a two-dimensional phononic crystal
(Iop Publishing Ltd, 2015)Mach-Zehnder interferometer formed by liquid-filled linear defect waveguides in a two-dimensional phononic crystal is numerically realized for sensing low concentrations of an analyte. The waveguides in the square phononic ... -
Phononic crystal surface mode coupling and its use in acoustic Doppler velocimetry
(Elsevier Science Bv, 2016)It is numerically shown that surface modes of two-dimensional phononic crystals, which are Bloch modes bound to the interface between the phononic crystal and the surrounding host, can couple back and forth between the ... -
Evanescent coupling between surface and linear-defect guided modes in phononic crystals
(Iop Publishing Ltd, 2016)Evanescent coupling between surface and linear-defect waveguide modes in a two-dimensional phononic crystal of steel cylinders in air is numerically demonstrated. When the ratio of scatterer radii to the lattice constant ... -
A Numerical study on the hydrodynamic performance of an immersed foil: Uncertainty quantification of RANS and SPH methods
(Pergamon-Elsevier Science Ltd, 2019)The hydrodynamic characteristics of floating or immersed bodies may be evaluated by a variety of numerical techniques. Although these currently available techniques are well-established for providing valuable information ... -
CFD based vortex generator design and full-scale testing for wake non-uniformity reduction
(Pergamon-Elsevier Science Ltd, 2018)Propeller-induced vibration on ships may originate from separation and wake non-uniformity and can be dealt with stem form redesign, wake adapted propeller design or wake modification devices such as fins, ducts or vortex ... -
Evaluation of Aerodynamic Characteristics of Mega-Yacht Superstructures by CFD Simulations
(Soc Naval Architects Marine Engineers, 2020)Air wake distribution around the superstructure of a mega-yacht is a key concern for the designer because of various reasons such as comfort expectations in recreational deck areas, self-noise generation, air pollution and ... -
The effect of impurity position and doping concentration on the binding energies and total optical absorption coefficients in a delta-doped quantum well
(Springer Heidelberg, 2021)In this present work, for different impurity position and ionized doping concentrations, we have theoretically investigated the linear, third-order nonlinear, and total optical absorption coefficients corresponding to the ... -
Investigation of the Effect of Leading-Edge Tubercles on Wingsail Performance
(2020)In this study, effects of leading edge tubercles on a 2013 America’s Cup boat wingsail are investigated by viscous Computational Fluid Dynamics (CFD). Adding tubercles on the leading edge of the sail is inspired by humpback ... -
Acoustic analysis and measurements of mega yachts during construction
(Royal Institution of Naval Architects, 2019)Noise is a critical parameter for super/mega yachts which can be verified only in the final stage of a mega yacht building project. Although there are more and more advanced methods to predict noise prior to the sea trials, ... -
Irreducible constituents of products of characters
(Taylor & Francis Inc, 2019)In this article, we give some results about the relationship between the structure of a finite solvable group G and the kernels of irreducible constituents of the character where chi is an irreducible character of G. For ... -
A Decision Support System for Energy Efficient Ship Propulsion
(Springer International Publishing Ag, 2018)[No Abstract Available] -
Real characters, monolithic characters and the Taketa inequality
(World Scientific Publ Co Pte Ltd, 2019)In this paper, we prove that the Taketa inequality, namely the derived length of a finite solvable group G is less than or equal to the number of distinct irreducible complex character degrees of C, is true under some ...