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Inference of relative permeability curves in reservoir rocks with ensemble Kalman method
AbstractMultiphase flows through reservoir rocks are a universal and complex phenomenon. Relative permeability is one of the primary determinants in...
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Metamaterial-inspired MIMO antenna with negative permeability-based isolation enhancement for THz applications
A compact metamaterial-inspired two-port antenna based on negative permeability for isolation enhancement is presented. The antenna size is...
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Increasing the Accuracy of Measurements of Absolute Gas Permeability by a Stationary Filtration Method
Metrological support for measurements of the coefficient of absolute gas permeability of rocks is examined. It is shown that in a number of cases it...
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Numerical estimation of the permeability of granular soils using the DEM and LBM or FFT-based fluid computation method
AbstractNumerical packings of spheres with uniform grain size distribution and maximum to minimum diameter ratio up to 15 are generated using the...
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Micromagnetic Simulation of the Shape Effect on the Permeability and Loss Tangent of Fe3O4 Nanoparticles in the Microwave Range
Micromagnetic simulations are applied in order to investigate the effect of shape on the magnetic permeability and loss tangent for Fe 3 O 4 ...
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Using a Single-Mode Approximation to Measure Magnetic Permeability in Strip Transmission Lines
AbstractA study is performed of using a transverse electromagnetic wave approximation to measure magnetic permeability in symmetric and asymmetric...
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Probing the Frequency Dispersion of Magnetic Permeability of a Sample during Dynamic Interaction with a Magnetized Probe
AbstractThe forces acting on a magnetic particle during nonrelativistic motion parallel to the surface of a homogeneous medium with a frequency...
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Method for real-time optical brain monitoring in freely moving mice during wakefulness and natural sleep
Sleep is an integral part of the life of all living organisms, which is necessary for maintaining health. Recent scientific evidence has established...
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The investigation of orientation angle effect of random elliptical obstacles on permeability and tortuosity in porous media using Image Processing technique and Lattice Boltzmann Method
AbstractIn this numerical study, the fluid flow through fluid-saturated porous media with random elliptical obstacles was simulated using the Two...
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TECHNOGENIC VARIATION OF RESERVOIR PERMEABILITY DURING NONISOTHERMAL OIL — GAS — PARAFFIN FILTERING IN THE CASE OF PHASE TRANSITIONS
AbstractChanges in temperature and pressure conditions during the development of an oil reservoir with a high paraffin content in a limiting...
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Determination of the Effective Magnetic Permeability of Nanocomposite Media
AbstractIn this work, the method of determination of the effective magnetic permeability is considered for composite media containing magnetic...
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The improved saturation magnetization and initial permeability in Mn–NiZn ferrites after cooling in vacuum
The microstructure, magnetic and elastic properties of Ni 0.6– x Zn 0.4 Mn x Fe 2 O 4 ( x = 0–0.6) ferrites prepared by sol–gel auto-combustion method are...
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Exploitation of dielectric properties of ferrite composites for microwave absorber applications: complex permittivity, real-imaginary impedance, geometrical thickness, and reflection loss parameters
The composites of (BaSr) 0.5 (CoRu) x Fe (12–2x) O 19 ferrite and Polyaniline (PANI) were prepared. The microwave absorbance of prepared hexaferrite-PANI...
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Enhanced Magnetic and Permeability Properties of Mn-Substituted NiCuZn Nanoparticles for Ferrite Core Application
Nanoparticles of Mn-substituted NiCuZn ferrite with an elemental composition Ni 0.5−x Mn x Cu 0.2 Zn 0.3 Fe 2 O 4 was synthesized by the sol–gel auto-combustion...
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Can Isotropic Negative Permittivity ε and Permeability μ Metamaterials Exist?
AbstractAn attempt is made to answer the question posed in the title. Periodic metamaterials, namely, cubic photonic crystals with dielectric...
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Diffusion: Membrane Permeability and the Rate of Actin Polymerization
This chapter shows that diffusive flow from a high concentration to a low concentration is an emergent behavior of many particles, resulting from...
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Slip and chemical reaction effects on the peristaltic rheology of a viscoplastic liquid in different wave frames: application of a high-permeability medium
Nanofluid flow due to artificial phenomena such as sinusoidal contraction-relaxation of flexible walls has a significant application in various...
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Effect of shape of nanoparticles on mixed convection nanofluid flow in a porous medium with variable permeability: Analysis of the second law of thermodynamics
Second law analysis of copper–water nanofluid flow in an inclined channel filled with a porous medium having variable permeability is presented in...
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A Research on the Real-Time Dynamic Performance of HTS Bulks Based on the Mechanic-Electromagnetic-Thermal Coupling
The high-temperature superconducting (HTS) bulks onboard maglev are one of the most promising transportations. In practice, due to the arrangement...
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Temperature stability of magnetic permeability of NixFe3−xO4 ferrites
Ni x Fe 3−x O 4 ferrites (x = 0.6, 0.7, 0.8, 0.9, 1.0) were prepared by solid-phase reaction method. Structure and morphology were characterized by X-ray...
