Membrane filtration is a vital industrial process, with applications including air purification and blood filtration. In this paper, we study the optimal design for concertinaed membrane composed of angled porous membranes dead-ends. We examine how filter performance depends on angle, position, thickness, permeance membrane, through combination numerical asymptotic approaches, latter in limit s...

this paper presents an innovative active power filter design method to simultaneously compensate the current harmonics and reactive power of a nonlinear load. the power filter integrates a passive power filter which is a rl low-pass filter placed in series with the load, and an active power filter which comprises an rl in series with an igbt based voltage source converter. the filter is assumed...

In this pare, a wideband three-order bandpass filter (BPF) is proposed. The proposed wideband filter is designed using the substrate integrated waveguide (SIW) structure by loading T-shape slots. A BPF with two resonators is formed by etching T-shape slots with different size on the top metal plane of the SIW structure. The filter is investigated with the theory of coupled resonator circuits. T...