Added surface roughness decreases the wake length and increases the wake width at lower Reynolds numbers. Added surface roughness decreases the Strouhal numbers at lower Reynolds numbers. The cylinder drag was increased at higher surface roughnesses.
PROPERTIES OF SURFACE ROUGHNESS WAKE FIELDS. ∗. A. Novokhatski, M. Timm, T. Weiland. Technische Universität Darmstadt, Schlossgartenstr. 8, Darmstadt, Germany.
Title, Properties of Surface Roughness Wake Fields ; Author(s), Timm, M ; Novokhatskii, A V ; Weiland, T ; Affiliation, (Tech. Univ. Darmstadt) ; In: 7th European ...
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Even the surface roughness due to residual defects in workmanship, may be responsible of the longitudinal emittance growth due to wakefields, which is ...
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In 3D simulations the surface roughness is represented by randomly distributed obstacles. We show two simulations with few obstacles. In one case the wake field ...
Weiland, "The Surface. Roughness Wake Field Effect", Proceedings of the IACP'98. The monopole wake fields of a waveguide with a rough surface behave in the ...
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May 4, 2006 · • The surface roughness is assumed to have no resistance;. • The length of the bunch is longer than the length of the roughness features;.
The determination of a suitable surface roughness value is dependent on a number of criteria, including the material of the pipe, the coating on the inside of ...
In this study we investigate the properties of the electromagnetic wake-field generated by an electron bunch moving in the vicinity of an optical structure ...
Computations are performed to examine the effects of both an isolated and spanwise periodic array of trip elements on a high-speed laminar boundary layer, ...