Results 51 to 60 of about 304,516 (193)

Radiation from relativistic jets in turbulent magnetic fields [PDF]

, 2008
Using our new 3-D relativistic electromagnetic particle (REMP) code parallelized with MPI, we have investigated long-term particle acceleration associated with an relativistic electron-positron jet propagating in an unmagnetized ambient electron-positron
B. Zhang, Charles Meegan, Chryssa Kouveliotou, G. J. Fishman, H. Sol, J. Frederiksen, J. Niemiec, K.-I. Nishikawa, M. Medvedev, Neil Gehrels, P. Hardee, Y. Mizuno, Å. Nordlund   +12 more
core   +3 more sources

Simulation on solidification of an Al-Ni alloy under electromagnetic stirring [PDF]

China Foundry, 2012
The microstructure of Al-Ni alloy has a significant influence on its performance, while electromagnetic stirring is one of the most effective methods for control of solidification structure of Al alloy.
Sha Minghong, Wang Tongmin, Bai Fudong
doaj  

Numerical and Experimental Investigation of the Impact of the Electromagnetic Properties of the Die Materials in Electromagnetic Forming of Thin Sheet Metal

Journal of Manufacturing and Materials Processing, 2021
In electromagnetic forming of thin sheet metal, the die is located within the effective range of the electromagnetic wave. Correspondingly, a current is induced not only in the sheet metal, but also in the die. Like the current in the workpiece, also the
Björn Beckschwarte, Lasse Langstädtler, Christian Schenck, Marius Herrmann, Bernd Kuhfuss   +4 more
doaj   +1 more source

Sensor Interaction as a Source of the Electromagnetic Field Measurement Error

Measurement Science Review, 2014
The article deals with analytical calculation and numerical simulation of interactive influence of electromagnetic sensors. Sensors are components of field probe, whereby their interactive influence causes the measuring error. Electromagnetic field probe
Hartansky R., Smiesko V., Bittera M., Marsalka L., Cicakova O., Letanovska L.   +5 more
doaj   +1 more source

Fast Algorithms for the Simulation of Electromagnetic Metal Forming [PDF]

, 2008
Despite the comprehensive understanding of the modeling and numerical simulation of electromagnetic metal forming that has recently been gained, the simulation of real forming situations is still a challenging task due to the large computational ...
Blum, H., Stiemer, M., Svendsen, B., Unger, J.   +3 more
core  

Correlation of Dirac potentials and atomic inversion in cavity quantum electrodynamics

, 2010
Controlling the time evolution of the population of two states in cavity quantum electrodynamics (QED) is necessary by tunning the \textit{modified} Rabi frequency in which the $\textit{extra}$ classical effect of electromagnetic field is taken into ...
Trisetyarso, Agung
core   +1 more source

Evaluation of electric and magnetic fields distribution and SAR induced in 3D models of water containers by radiofrequency radiation using FDTD and FEM simulation techniques

, 2014
In this study, two software packages using different numerical techniques FEKO 6.3 with Finite-Element Method (FEM) and XFDTD 7 with Finite Difference Time Domain Method (FDTD) were used to assess exposure of 3D models of square, rectangular, and ...
Abdelsamie, Maher A. A., Hashim, Dzulkifly, Mustafa, Shuhaimi, Rahman, Russly b Abdul   +3 more
core   +1 more source

A novel type coil-multipole field hybrid electromagnetic launching system

Results in Physics, 2019
This paper describes the concept of a Coil-Multipole Field Hybrid Electromagnetic Launcher. The electrical and magnetic equivalent circuits of coil gun and multipole field electromagnetic launch system (MFELS) are discussed. An attempt is made to analyze
Sri Chandan Kondamudi, Sandhya Thotakura, Mallikarjuna Rao Pasumarthi, Guduru Ramakrishna Reddy, Sandesh Mysore Sathyaraj, X.X. Jiang   +5 more
doaj   +1 more source

Design and Analysis of a Moment of Inertia Adjustment Device

Machines
The vibration frequency characteristics of a rotor system are directly related to its moment of inertia. In this paper, a moment of inertia adjustment device is proposed to adjust the frequency characteristics of a rotor system and better reduce ...
Liping Zeng, Zihao Wan, Gang Li
doaj   +1 more source

Simulation and Experimental Study of a Rotating Electromagnetic Field Probe for Nondestructive Testing [PDF]

Journal of Electromagnetic Engineering and Science
Maintaining the integrity of pipelines that are used to transport natural gas and petroleum products is of utmost importance. In this study, a novel probe that uses the rotating electromagnetic field measurement method to detect cracks in the inner walls
Yijing Feng, Haitao Liu, Yibo Wang, Xianjie Qiu   +3 more
doaj   +1 more source