scholarly journals Suppression of transverse beam breakup modes in an induction accelerator by gas focusing

1980 ◽  
Author(s):  
R.J. Briggs
Keyword(s):  
Transverse Beam ◽  
Induction Accelerator

scholarly journals Automatic detection of transverse beam instabilities in the Large Hadron Collider

2019 ◽  
Vol 22 (11) ◽  
Author(s):  
T. E. Levens ◽  
K. Łasocha ◽  
T. Lefevre ◽  
M. Gąsior ◽  
R. Jones ◽  
...  
Keyword(s):  
Large Hadron Collider ◽  
Hadron Collider ◽  
Automatic Detection ◽  
Transverse Beam ◽  
Beam Instabilities

scholarly journals Reply to “Comment on `Uniformization of the transverse beam profile by means of nonlinear focusing method’”

2008 ◽  
Vol 11 (3) ◽  
Author(s):  
Yosuke Yuri ◽  
Nobumasa Miyawaki ◽  
Tomihiro Kamiya ◽  
Watalu Yokota ◽  
Kazuo Arakawa ◽  
...  
Keyword(s):  
Beam Profile ◽  
Transverse Beam ◽  
Nonlinear Focusing

Transverse beam matching under the influence of space charge

2017 ◽  
Vol 865 ◽  
pp. 133-138
Author(s):  
G. Kourkafas ◽  
G. Asova ◽  
M. Bakr Arby ◽  
P. Boonpornprasert ◽  
M. Gross ◽  
...  
Keyword(s):  
Space Charge ◽  
Transverse Beam

Single-quantum-well laser with 11.2 degree transverse beam divergence

1990 ◽  
Vol 26 (17) ◽  
pp. 1348 ◽  
Author(s):  
Y.C. Chen ◽  
R.G. Waters ◽  
R.J. Dalby
Keyword(s):  
Quantum Well ◽  
Beam Divergence ◽  
Single Quantum ◽  
Single Quantum Well ◽  
Transverse Beam ◽  
Quantum Well Laser

Initial electron-beam results from the DARHT-II linear induction accelerator

2005 ◽  
Vol 33 (2) ◽  
pp. 892-900 ◽  
Author(s):  
C. Ekdahl ◽  
E.O. Abeyta ◽  
H. Bender ◽  
W. Broste ◽  
C. Carlson ◽  
...  
Keyword(s):  
Electron Beam ◽  
Linear Induction Accelerator ◽  
Linear Induction ◽  
Initial Electron ◽  
Induction Accelerator

Correlation Study on Modal Frequency and Temperature Effects of a Cable-Stayed Bridge Model

2012 ◽  
Vol 446-449 ◽  
pp. 3264-3272 ◽  
Author(s):  
Li Min Sun ◽  
Yi Zhou ◽  
Xue Lian Li
Keyword(s):  
Experimental Study ◽  
Boundary Conditions ◽  
Dynamic Properties ◽  
Bridge Engineering ◽  
Fe Model ◽  
Steel Cable ◽  
Transverse Beam ◽  
Expansion Joints ◽  
Cable Stayed Bridge ◽  
Bridge Model

In recent years, structural health monitoring has been paid more and more attention in bridge engineering community. Previous researches showed that ambient temperature was one of principal factors affecting structural modal parameters in long-term. In this paper, an experimental study on correlation between dynamic properties of a cable-stayed bridge and its structural temperature was performed under temperature controlled laboratory environment. Using hammer impacting method, a dynamic testing was conducted based on a steel cable-stayed bridge model which had a span layout of 0.9+1.9+0.9m. During the experiment, the first six vertical bending modes under the environmental temperature of 0, 20 and 40°C were identified with the consideration of three kinds of boundary conditions at the deck’s ends as to two degrees of freedom, i.e. the longitudinal translation (UX) and the rotation about the transverse beam (RotZ). The above boundary conditions are UX & RotZ not constrained, UX constrained only and UX & RotZ constrained, attempting to simulate the different conditions of the bridge expansion joints. The efforts were paid to explain the physical mechanism of the results based on the updated FE model. This experimental study indicates a tendency that the frequency of the cable-stayed bridge model decreases with the increase of temperature. And furthermore, the relative difference of frequencies between 0 and 40 °C is affected by boundary conditions; in other words, when the deck is free to expand, the variation of model’s frequencies is smaller than that when the deck is restrained to expand, which is similar to the condition of the bridge’s expansion joints cannot work as normal. This experimental study can give some reference to the research of SHM and damage identification for cable-stayed bridges.

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