Percolation

percolatepercolatingpercolatespercolatedordinary (isotropic) percolationpercolating waterpercolation transitionpercolatortheory
In physics, chemistry and materials science, percolation (from Latin percōlāre, "to filter" or "trickle through") refers to the movement and filtering of fluids through porous materials.wikipedia
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Percolation theory

percolation2D percolation clusterpercolative
During the last decades, percolation theory, the mathematical study of percolation, has brought new understanding and techniques to a broad range of topics in physics, materials science, complex networks, epidemiology, and other fields.
The applications of percolation theory to materials science and other domains are discussed in the article percolation.

Septic drain field

leach fielddrain fielddrain fields
In places where infiltration basins or septic drain fields are planned to dispose of substantial amounts of water, a percolation test is needed beforehand to determine whether the intended structure is likely to succeed or fail.
The goal of percolation testing is to ensure the soil is permeable enough for septic tank effluent to percolate away from the drain field, but fine grained enough to filter out pathogenic bacteria and viruses before they travel far enough to reach a water well or surface water supply.

Percolation test

percPerc test, Percolation test
In places where infiltration basins or septic drain fields are planned to dispose of substantial amounts of water, a percolation test is needed beforehand to determine whether the intended structure is likely to succeed or fail.
A percolation test (colloquially called a perc test) is a test to determine the water absorption rate of soil (that is, its capacity for percolation) in preparation for the building of a septic drain field (leach field) or infiltration basin.

Complex network

complex networksnetworksnetwork
During the last decades, percolation theory, the mathematical study of percolation, has brought new understanding and techniques to a broad range of topics in physics, materials science, complex networks, epidemiology, and other fields.
When the graph is uniformly random except for the degree distribution, these critical vertices are the ones with the highest degree, and have thus been implicated in the spread of disease (natural and artificial) in social and communication networks, and in the spread of fads (both of which are modeled by a percolation or branching process).

Percolation threshold

Percolation thresholdscorrelated percolationcritical probability
Combinatorics is commonly employed to study percolation thresholds.
The percolation threshold is the critical value of the occupation probability p, or more generally a critical surface for a group of parameters p 1, p 2, ..., such that infinite connectivity (percolation) first occurs.

Universality (dynamical systems)

universalityuniversaluniversal property
Percolation typically exhibits universality.

Septic tank

septic tanksseptic systemsseptic
The remaining impurities are trapped and eliminated in the soil, with the excess water eliminated through percolation into the soil, through evaporation, and by uptake through the root system of plants and eventual transpiration or entering groundwater or surface water.

Conductance (graph)

Conductance
The notion of conductance underpins the study of percolation in physics and other applied areas; thus, for example, the permeability of petroleum through porous rock can be modeled in terms of the conductance of a graph, with weights given by pore sizes.

Fractal

fractalsfractal geometryfractal curve
Statistical physics concepts such as scaling theory, renormalization, phase transition, critical phenomena and fractals are used to characterize percolation properties.

Physics

physicistphysicalphysicists
In physics, chemistry and materials science, percolation (from Latin percōlāre, "to filter" or "trickle through") refers to the movement and filtering of fluids through porous materials.

Chemistry

chemistchemicalApplied Chemistry
In physics, chemistry and materials science, percolation (from Latin percōlāre, "to filter" or "trickle through") refers to the movement and filtering of fluids through porous materials.

Materials science

material sciencematerials engineeringmaterials scientist
In physics, chemistry and materials science, percolation (from Latin percōlāre, "to filter" or "trickle through") refers to the movement and filtering of fluids through porous materials.

Latin

Latin languageLat.la
In physics, chemistry and materials science, percolation (from Latin percōlāre, "to filter" or "trickle through") refers to the movement and filtering of fluids through porous materials.

Filtration

filterfilteredfiltrate
In physics, chemistry and materials science, percolation (from Latin percōlāre, "to filter" or "trickle through") refers to the movement and filtering of fluids through porous materials.

Epidemiology

epidemiologistepidemiologicalepidemiologists
During the last decades, percolation theory, the mathematical study of percolation, has brought new understanding and techniques to a broad range of topics in physics, materials science, complex networks, epidemiology, and other fields.

Geology

geologicalgeologistgeologic
For example, in geology, percolation refers to filtration of water through soil and permeable rocks.

Groundwater recharge

rechargeaquifer rechargedeep drainage
The water flows to recharge the groundwater in the water table and aquifers.

Groundwater

ground waterunderground waterpore water
The water flows to recharge the groundwater in the water table and aquifers.

Water table

watertablegroundwater tableperched lake
The water flows to recharge the groundwater in the water table and aquifers.

Aquifer

aquifersaquitardaquiclude
The water flows to recharge the groundwater in the water table and aquifers.

Infiltration basin

infiltrationartificial recharge pondsinfiltrate
In places where infiltration basins or septic drain fields are planned to dispose of substantial amounts of water, a percolation test is needed beforehand to determine whether the intended structure is likely to succeed or fail.

Statistical physics

Statisticalstatistical physicistphysics
Statistical physics concepts such as scaling theory, renormalization, phase transition, critical phenomena and fractals are used to characterize percolation properties.

Renormalization

renormalizablerenormalisationrenormalized
Statistical physics concepts such as scaling theory, renormalization, phase transition, critical phenomena and fractals are used to characterize percolation properties.

Phase transition

phase transitionsorder parameterphase change
Statistical physics concepts such as scaling theory, renormalization, phase transition, critical phenomena and fractals are used to characterize percolation properties.