نتایج جستجو برای: rough surfaces
تعداد نتایج: 153031 فیلتر نتایج به سال:
When a droplet hits surface fast enough, splashing can occur: smaller secondary droplets detach from the main during impact. While on smooth surfaces is by now well understood, roughness also affects at which impact velocity splashes. In this study, influence of investigated. By changing root mean square impacted surface, we show that only affected when large enough to disrupt spreading lamella...
Carbon black dispersions are superior to the best commercial silver and ceramic particle thermal pastes for providing high thermal contact conductance across mating surfaces that are smooth (0.05 lm). For mating surfaces that are rough (15 lm), the combined use of carbon black and silver is more effective than carbon, silver or ceramic pastes. The use of a silver paste to even out the rough sur...
We show that a scattering-reduction effect is obtained by coating a rough surface with an antireflection layer. This research is a generalization of Amra's [J. Opt. Soc. Am. A 10, 365-374 (1993)] study of smooth surfaces conducted with a first-order theory to the case of rough surfaces. We show that the differential method with the R matrix algorithm can be used to study scattering from multila...
To study electromagnetic scattering from dielectric rough surfaces, a hybrid finite element method (FEM) combined with boundary integral equations (BIE) is extended to the scattering problem with two half-open regions. Integral boundaries, as truncated boundaries of the FEM region, are employed as artificial boundaries of dielectric rough surfaces above and below the rough surface. In the hybri...
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