Results 81 to 90 of about 910,199 (344)

Al–Cu Composite Casting of Laser‐Deoxidized Copper: Bonding, Interfacial Chemistry, and Thermal Conductivity

Advanced Engineering Materials, EarlyView.
This study investigates laser‐based oxide removal of Cu inserts in oxygen‐free conditions and examines long‐term oxidation kinetics and surface chemistry under different atmospheres via X‐ray photoelectron spectroscopy. Al–Cu compound casting with differently oxidized surfaces is performed, and intermetallic phase formation, morphology, and thermal ...
Timon Steinhoff, Finn‐Lennard Janthur, Sascha Zimmermann, Sarah Seffer, Jörg Hermsdorf, René Gustus, Ludger Overmeyer, Wolfgang Maus‐Friedrichs, Hans Jürgen Maier, Christian Klose   +9 more
wiley   +1 more source

Synchrosqueezing-based Transform and its Application in Seismic Data Analysis [PDF]

Iranian Journal of Oil & Gas Science and Technology, 2015
Seismic waves are non-stationary due to its propagation through the earth. Time-frequency transforms are suitable tools for analyzing non-stationary seismic signals.
Saman Gholtashi, Mohammad Amir Nazari Siahsar, Amin RoshandelKahoo, Hosein Marvi, Alireza Ahmadifard   +4 more
doaj   +1 more source

Spectral Domain Decomposition Method for Natural Lighting and Medieval Glass Rendering [PDF]

2014 IEEE Intl Conf on High Performance Computing and Communications, 2014 IEEE 6th Intl Symp on Cyberspace Safety and Security, 2014 IEEE 11th Intl Conf on Embedded Software and Syst (HPCC,CSS,ICESS), 2014
In this paper, we use an original ray-tracing domain decomposition method to address image rendering of naturally lighted scenes. This new method allows to particularly analyze rendering problems on parallel architectures, in the case of interactions between light-rays and glass material.
Gbikpi-Benissan, G., Cerise, Remi, Callet, Patrick, Magoules, F.   +3 more
openaire   +3 more sources

Nonthermal Plasma Reduction of Nickel Oxide Layers by Atmospheric Pressure Dielectric Barrier Discharge in Argon/Hydrogen

Advanced Engineering Materials, EarlyView.
This work explores the reduction of nickel oxide layers using dielectric barrier discharge plasma in an argon–hydrogen atmosphere. The results reveal a strong temperature dependence, enabling complete reduction of thick oxide layers at 200°C within seconds.
Maria Argirusi, Viktor Udachin, Sascha Jan Zimmermann, Alexander Tillmanns, Lienhard Wegewitz, Wolfgang Maus‐Friedrichs   +5 more
wiley   +1 more source

Pansharpening With Joint Local Low Rank Decomposition and Hierarchical Geometric Filtering

IEEE Access, 2019
Extracting matched details of the PANchromatic (PAN) image and injecting them into the MultiSpectral (MS) images, is very crucial in pansharpening.
Yuteng Gao, Chengtian Song, Chen Yang, Min Wang, Shuyuan Yang   +4 more
doaj   +1 more source

Spectral stability based event localizing temporal decomposition [PDF]

, 2001
In this paper a new approach to Temporal Decomposition (TD) of speech, called Spectral Stability Based Event Localizing Temporal Decomposition(S^2BEL-TD), is presented.
Akagi, M., Nandasena, A. C. R., Nguyen, P. C.   +2 more
core   +1 more source

Uniform spectral convergence of the stochastic Galerkin method for the linear transport equations with random inputs in diffusive regime and a micro–macro decomposition-based asymptotic-preserving method

Research in the Mathematical Sciences, 2017
In this paper we study the stochastic Galerkin approximation for the linear transport equation with random inputs and diffusive scaling. We first establish uniform (in the Knudsen number) stability results in the random space for the transport equation ...
Shi Jin, Jian‐Guo Liu, Zheng Ma
semanticscholar   +1 more source

Surface Tension Measurement of Ti‐6Al‐4V by Falling Droplet Method in Oxygen‐Free Atmosphere

Advanced Engineering Materials, EarlyView.
In this article, the temperature‐dependent surface tension of free falling, oscillating Ti‐6Al‐4V droplets is investigated in both argon and monosilane doped, oxygen‐free atmosphere. Droplet temperature and oscillation are captured with one single high‐speed camera, and the surface tension is calculated with Rayleigh's formula.
Johannes May, Finn‐Lennard Janthur, Lena Kreie, Michael Müller, Sarah Seffer, Nick Schwarz, Jörg Hermsdorf, Thomas Hassel, Stefan Kaierle, Ludger Overmeyer   +9 more
wiley   +1 more source

A decomposition method of nuclear magnetic resonance T2 spectrum for identifying fluid properties

, 2020
Based on analysis of NMR T2 spectral characteristics, a new method for identifying fluid properties by decomposing T2 spectrum through signal analysis has been proposed.
Jibin Zhong, Rong-hui Yan, Hai-Tao Zhang, Yihan Feng, Nan Li, X. Liu   +5 more
semanticscholar   +1 more source

A spectral decomposition method to approximate DtN maps in complicated waveguides

CoRR, 2022
In this paper, we propose a new spectral decomposition method to simulate waves propagating in complicated waveguides. For the numerical solutions of waveguide scattering problems, an important task is to approximate the Dirichlet-to-Neumann map efficiently.
openaire   +2 more sources