Abstract: A theoretical mathematical model that considers the continuous linear porosity or pore diameter distribution is established to develop a novel porous absorber with variable pore structure, which will result in a thermopressure ...

Abstract: An impedancebased approach for analyzing an axial rod with sheartype damping layer treatment is proposed. The rod and sheartype damping layer are regarded as two subsystems and both impedances are calculated analytically. ...

Abstract: Simple mathematical expressions are presented for describing the shapes of some plane hexagonal snow crystals. These expressions provide convenient means for cloud physical calculations and can also serve as a method for ...

Abstract: A theoretical method is given which allows computing the acceleration to terminal velocity of cloud and raindrops at various levels in the atmosphere. For drops of equivalent radius 800 ?m ≤ a0 ≤ 3500 ?m our theoretical ...

Abstract: Experiments have been carried out to determine the efficiency with which aerosol particles of 0.25 ?m radius are collected due to Brownian diffusion, and due to hydrodynamic, phoretic and electrical effects by water drops ...

Abstract: A dynamic model for analyzing the wire transport system of micro wEDM (wire electronic discharge machining) is proposed. Based on the model, two mechanisms are proposed to stabilize the wire tension. The first mechanism ...

Abstract: Two theoretical models are presented which allow computing the efficiency with which aerosol particles of radius 0.001 ≤ r ≤ 10 ?m are collected by simple ice crystal plates of radius 50 ≤ ac ≤ 640 ?m, in air of various ...

Abstract: Formulas suitable for calculating the electrostatic, temperature, and vapor density fields surrounding stationary columnar ice crystals are derived. Columnar ice crystals are approximated as circular cylinders of finite ...

Abstract: A theoretical model is described which determines the efficiency E with which aerosol particles of radius r are collected by water drops of radius a due to the combined action of Brownian diffusion, thermo- and diffusiophoresis ...

Abstract: Optimization based on reconstruction of the velocity, temperature, and radiation fields in a porous absorber with continuous linear porosity or pore diameter distribution is carried out in this work. This study analyzes ...