The passage of a bubble and the required energy for its motion through confining pore can potentially be affected by surface roughness geometry pore. an isolated passing four different geometries (three circular pores, smooth 2 with roughness, sharp triangular pore) is investigated. shape deformed these was evaluated to determine pressure drop across hence driving force cause motion. results in...

Open and closed porous structures with lattice honeycomb geometry can be built using laser powder bed fusion additive manufacturing processes. The used to tailor the mechanical properties of a component or provide other functionality, such as for bone ingrowth in medical implants. Porous were created analysed this paper both physically finite element modelling. It was found that accuracy parts ...

introduction: poroscopy is a method of identification in which the characteristics of sweat pores are compared from different aspects. these pore openings are present along the friction ridges found on the distal end of digits, palms and soles in the hands and feet. materials amd methods: this study enrolled 100 iranian males from the fars family who resided in khorasan razavi province. the ave...

The fractal geometry, anisotropy, discontinuity, and non-Darcy flow of tight reservoirs exert a significant effect on well production performance. In this study, the reservoir geometry is represented by exponential functions basis microseismic data, while discontinuity fractures presented as nonequilibrium effect. impact low velocity temporal scale wellbore pressure predicted herein. Results sh...

In this study buckling analysis of solid rectangular plate made of porous material in undrained condition is investigated. The mechanical properties of plate are assumed to vary through the thickness direction. Distributing of the pores through the plate thickness are assumed to be the nonlinear nonsymmetric, nonlinear symmetric, and monotonous distribution. The effect of pores and pores distri...

Metal–organic frameworks (MOFs) are a class of sophisticated crystalline solids with well-defined coordination geometry and porosity. Rich selections of building blocks, long-range ordering in packing, and superior surface areas have promoted MOFs’ applications in gas adsorption, storage, and separation. While most studies utilized inner pores by regulating their interactions with small molecul...

This work reviews the use of porous silicon (PS) as a nanomaterial which is extensively investigated and utilized for various applications, e.g., in the fields of optics, sensor technology and biomedicine. Furthermore the combination of PS with one or more materials which are also nanostructured due to their deposition within the porous matrix is discussed. Such nanocompounds offer a broad aven...

the aim of this paper is to show the importance of analytic hyperbolic geometry introduced in [9]. in [1], ungar and chen showed that the algebra of the group sl(2,c) naturally leads to the notion of gyrogroups and gyrovector spaces for dealing with the lorentz group and its underlying hyperbolic geometry. they defined the chen addition and then chen model of hyperbolic geometry. in this paper,...