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A 2-dimensional (2-D) ring-bar microstrip meander-line for broad band miniaturization planar traveling-wave tubes (TWTs) has been proposed in this paper. Simulated by 3-D high frequency software, the cold band width of this 2-D ring-bar microstrip meander-line slow wave structure (SWS) is almost double that of the traditional U-shaped microstrip meander-line SWS at the same dimensions, which means...
In microfluidic field, how to capture, manipulate and separate micro-particles suspended in liquid media has very important applications. Up to now, only seldom works focused on how to trap two particles with different sizes. In order to achieve this goal, a dielectrophoretic microfluidic chip was designed. The shape of electrode and flow channel was optimized; the electric field and the flow field...
Lightning is a major cause of power interruptions in power transmission lines. Nowadays the Leader Progression Model is an advanced method to evaluate the shielding failure probability of transmission lines. Calculating the surface electric field on phase conductors and ground wires precisely is important, because the surface electric field has great effect on the upward leader inception. In this...
A Tokamak is an important research device in controlled nuclear fusion. A toroidal field coil (TFC) system is an important part of a Tokamak, it produces a toroidal field (TF) to confine the plasma, so it is crucial to analyze the force-structure of the TFC in Tokamak design. In order to research the design method of TFC, we analyze the structural force and deformation of the TFC. The results are...
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