5,277 resources related to Fluid dynamics
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IEEE International Conference on Plasma Science (ICOPS) is an annual conference coordinated by the Plasma Science and Application Committee (PSAC) of the IEEE Nuclear & Plasma Sciences Society.
To promote awareness, understanding, advancement and application of ocean engineering and marine technology. This includes all aspects of science, engineering, and technology that address research, development, and operations pertaining to all bodies of water. This includes the creation of new capabilities and technologies from concept design through prototypes, testing, and operational systems to sense, explore, understand, develop, use, and responsibly manage natural resources.
The world's premiere conference in MEMS sensors, actuators and integrated micro and nano systems welcomes you to attend this four-day event showcasing major technological, scientific and commercial breakthroughs in mechanical, optical, chemical and biological devices and systems using micro and nanotechnology.The major areas of activity in the development of Transducers solicited and expected at this conference include but are not limited to: Bio, Medical, Chemical, and Micro Total Analysis Systems Fabrication and Packaging Mechanical and Physical Sensors Materials and Characterization Design, Simulation and Theory Actuators Optical MEMS RF MEMS Nanotechnology Energy and Power
The conference program will consist of plenary lectures, symposia, workshops andinvitedsessions of the latest significant findings and developments in all the major fields ofbiomedical engineering.Submitted papers will be peer reviewed. Accepted high quality paperswill be presented in oral and postersessions, will appear in the Conference Proceedings and willbe indexed in PubMed/MEDLINE & IEEE Xplore
The IEEE International Symposium on Biomedical Imaging (ISBI) is the premier forum for the presentation of technological advances in theoretical and applied biomedical imaging.ISBI 2019 will be the 16th meeting in this series. The previous meetings have played a leading role in facilitating interaction between researchers in medical and biological imaging. The 2019 meeting will continue this tradition of fostering cross fertilization among different imaging communities and contributing to an integrative approach to biomedical imaging across all scales of observation.
Experimental and theoretical advances in antennas including design and development, and in the propagation of electromagnetic waves including scattering, diffraction and interaction with continuous media; and applications pertinent to antennas and propagation, such as remote sensing, applied optics, and millimeter and submillimeter wave techniques.
Contains articles on the applications and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Power applications include magnet design as well asmotors, generators, and power transmission
The theory, design and application of Control Systems. It shall encompass components, and the integration of these components, as are necessary for the construction of such systems. The word `systems' as used herein shall be interpreted to include physical, biological, organizational and other entities and combinations thereof, which can be represented through a mathematical symbolism. The Field of Interest: shall ...
The IEEE Transactions on Automation Sciences and Engineering (T-ASE) publishes fundamental papers on Automation, emphasizing scientific results that advance efficiency, quality, productivity, and reliability. T-ASE encourages interdisciplinary approaches from computer science, control systems, electrical engineering, mathematics, mechanical engineering, operations research, and other fields. We welcome results relevant to industries such as agriculture, biotechnology, healthcare, home automation, maintenance, manufacturing, pharmaceuticals, retail, ...
The IEEE Reviews in Biomedical Engineering will review the state-of-the-art and trends in the emerging field of biomedical engineering. This includes scholarly works, ranging from historic and modern development in biomedical engineering to the life sciences and medicine enabled by technologies covered by the various IEEE societies.
2007 10th IEEE International Conference on Computer-Aided Design and Computer Graphics, 2007
In our work, we mainly use a lattice Boltzmann method (LBM) to simulate the underlying dynamics of miscible mixtures in binary fluid simulation called TFLBM. However, it suffers from the limitation of only resolving mixture flows with low Reynolds number, and it would blow up when the Reynolds number gets higher. In order to resolve such mixture flows with higher ...
ICOPS 2000. IEEE Conference Record - Abstracts. 27th IEEE International Conference on Plasma Science (Cat. No.00CH37087), 2000
Summary form only given. Detailed determinations of the electron velocity distribution function are becoming more common due to the greater availability of computational power. Some of the classical problems in ionized gas physics are found to be in need of such analysis. Generally, these solutions are derived from statistical techniques, such as Monte-Carlo, or from quasi- particle methods, such as ...
IEEE Transactions on Plasma Science, 1998
One of the source terms of Z-pinch experiments is the gas puff density profile. In order to characterize the gas puff, we have used two interferometrical methods and performed some numerical simulations. The merits of both optical techniques are presented in terms of sensitivity, accuracy, and full time recording. Hence, one technique has been chosen to characterize the gas puff. ...
ICOPS 2000. IEEE Conference Record - Abstracts. 27th IEEE International Conference on Plasma Science (Cat. No.00CH37087), 2000
Summary form only given. The process of interruption of electrical current and arc plasma initiation and resulting pressurization have been modeled and simulated using a customized computational fluid dynamics code. The magnetofluiddynamic equations governing the electric arc plasma in a low voltage circuit breaker have been solved and the resulting arc movement in the interruption chamber has been coupled with ...
IEEE Computer Graphics and Applications, 1986
Rising Stars 2015 - IoT
Robotics History: Narratives and Networks Oral Histories:Hendrik Van Brussel
Handling of a Single Object by Multiple Mobile Robots based on Caster-Like Dynamics
HKN: Industry Connections Panel
Steve Mills - Standards Education 3 of 3 | IEEE-SA
Spin Dynamics in Inhomogeneously Magnetized Systems - Teruo Ono: IEEE Magnetics Society Distinguished Lecture 2016
Control of a Fully-Actuated Airship for Satellite Emulation
IEEE Themes - Social dynamics in peer-to-peer sharing networks
Emerging Technologies for the Control of Human Brain Dynamics: IEEE TechEthics Keynote with Danielle Bassett
Probing the Universe with Gravitational Waves - Applied Superconductivity Conference 2018
ISEC 2013 Special Gordon Donaldson Session: Remembering Gordon Donaldson - 4 of 7 - MRI at 130 Microtesla
"Do you trust me?" vs "Can I trust you?" Root of Trust Within My Connected Symbiotic Autonomous Systems - John Budenske
Steve Mills - Standards Education 2 of 3 | IEEE-SA
Steve Mills - Standards Education 1 of 3 | IEEE-SA
Bridge Robot Moonwalks on Magnets
Robots on the Rise: The Future of Robotics and AI - IEEE VICS 2018
Fragility of Interconnected Cyber-Physical Systems - Marios M. Polycarpou - WCCI 2016
Modern Standardization: Meet the Author
Nanoscale Magnetism with Picosecond Time Resolution and High Sensitivity - Hendrik Ohldag - IEEE Magnetics Distinguished Lecture
In our work, we mainly use a lattice Boltzmann method (LBM) to simulate the underlying dynamics of miscible mixtures in binary fluid simulation called TFLBM. However, it suffers from the limitation of only resolving mixture flows with low Reynolds number, and it would blow up when the Reynolds number gets higher. In order to resolve such mixture flows with higher Reynolds number, by further investigation, we proposed to use a subgrid method to stabilize the computation of two fluid mixtures. The idea of the subgrid method is to split the actual velocity field into large-scale (resolved) and small-scale (unresolved) components. The effect of the unresolved motion on the resolved one is included by introducing a so-called eddy viscosity, and the method is also referred to as large eddy simulation (LES).
Summary form only given. Detailed determinations of the electron velocity distribution function are becoming more common due to the greater availability of computational power. Some of the classical problems in ionized gas physics are found to be in need of such analysis. Generally, these solutions are derived from statistical techniques, such as Monte-Carlo, or from quasi- particle methods, such as PIC, and are essentially time-dependent methods which represent the convective effects in a very "physical" way. In contrast, the continuum approaches to hyperbolic PDE solutions, which have a strong "mathematical" basis and have experienced significant advances in recent years, have been difficult to apply to the Boltzmann equation. These methods have several important advantages such as their ability to resolve steep gradients, including discontinuous behavior, and their uniform accuracy across the domain due to their non-statistical nature. Furthermore, in situations where simultaneous solution of several quantities is desired, and some are best described in the continuum, it is convenient if the same solver can be used for all. Techniques for enabling the application of these methods to the Boltzmann equation will be described.
One of the source terms of Z-pinch experiments is the gas puff density profile. In order to characterize the gas puff, we have used two interferometrical methods and performed some numerical simulations. The merits of both optical techniques are presented in terms of sensitivity, accuracy, and full time recording. Hence, one technique has been chosen to characterize the gas puff. The computation fluid dynamics (CFD) code (ARES) has been used to simulate the gas flow with the aim of testing its performances. Comparing experimental and numerical data shows off the taking into account of gas viscosity in computations. Given these consistent results, the nozzle geometries can be optimized in order to obtain specific Z-pinch gas puffs and check the computation with the interferometric method. Results obtained with a cylindrical nozzle are presented herein.
Summary form only given. The process of interruption of electrical current and arc plasma initiation and resulting pressurization have been modeled and simulated using a customized computational fluid dynamics code. The magnetofluiddynamic equations governing the electric arc plasma in a low voltage circuit breaker have been solved and the resulting arc movement in the interruption chamber has been coupled with the dynamics of the compressible flow of the gas. The resulting simulation code enables prediction of pressure, arc damage and arc flow in a circuit breaker during current interruption. Some examples of these simulations will be presented.
Summary form only given, as follows. The Decade radiation simulator will use a Plasma Radiation Source (PRS) to provide the soft x-ray environment for DoD Nuclear Weapons Effects Testing requirements. We have made comparisons of two very different approaches to the modeling of gas flow for nozzles used in PRS z-pinches. Time-dependent, 2-D numerical simulations were performed of the gas flow through various double shell PRS nozzles intended for use on Decade. We used a Direct Simulation Monte Carlo (DSMC) code and a Computational Fluid Dynamics (CFD) code for this work. The results of the calculations are presented and correlated with interferometry measurements of the actual gas flows.
The work presents interactive flow visualization techniques specifically adapted for PowerFLOW/sup TM/, a lattice based CFD code from the EXA corporation. Their Digital Physics/sup TM/ fluid simulation technique is performed on a hierarchy of locally refined cartesian grids with a fine voxel resolution in areas of interesting flow features. Among other applications, the PowerFLOW solver is used for aerodynamic simulations in car body development where the advantages of automatic grid generation from CAD models is of great interest. In a joint project with BMW and EXA, we are developing a visualization tool which incorporates virtual reality techniques for the interactive exploration of the large scalar and vector data sets. We describe the specific data structures and interpolation techniques and we report on fast particle tracing, taking into account collisions with the car body geometry. An OpenGL Optimizer based implementation allows for the inspection of the flow with particle probes and slice probes at interactive frame rates.
This chapter presents an introduction to fluid dynamics. Interpreting a perfect gas model according to a statistical or continuum concept is of fundamental importance in the analysis of the fluid motion. An elementary material element of the continuum, previously indicated as a fluid particle, generally happens to be subject to longitudinal and angular deformations as it moves with the flow. The chapter discusses conservation laws, and followed by a discussion on Stokesian and Newtonian fluids. The derivation of the Navier- Stokes equation from the momentum conservation, is shown in the chapter. This is followed by discussions on incompressible and irrotational flows. Among the individual fields describing the flow field, special importance is ascribed to the continuous velocity-field which, in particular, is also admitted to be finite and to vanish at infinity. The chapter ends with a discussion on Bernoulli's equation and Lagrange's function.
Presently, there are very few visualization systems available for time- dependent flow fields. Although existing visualization systems for instantaneous flow fields may be used to view time-dependent flow fields at discrete points in time, the time variable is usually not considered in the visualization technique. We present a simple and effective approach for visualizing time-dependent flow fields using streaklines. A system was developed to demonstrate this approach. The system can process many time frames of flow fields without requiring that all the data be in memory simultaneously, and it also handles flow fields with moving grids. We have used the system to visualize streaklines from several large 3-D time-dependent flow fields with moving grids. The system was able to provide useful insights to the physical phenomena in the flow fields.<<ETX>>
When a deadly contaminant is released in a city, the window of time for meaningful response is brief. High-performance computing can play a major role in preparing an effective response. This article describes one such effort, which exploits detailed 3D computational fluid dynamics simulations of the airflow in buildings and cities.
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