Math 2.0

Real functions Concept

Flux through a surface

Builds on Orientable surfaceSurface integral

Summary

The flux of a vector field through an oriented surface measures how much of the field passes through the surface. It counts flow in the direction of the chosen normal. It is the surface integral of the normal component of the field. For a velocity field of a fluid, it is the volume of fluid that crosses the surface per unit time.

Reading path

To understand this page from the ground up, read these 6 pages in order. The foundations come first.

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Parametrised surface, concept, no evidence levelParametrised surfaceconceptSurface area, concept, no evidence levelSurface areaconceptTangent plane and normal vector of a surface, concept, no evidence levelTangent plane and nor…conceptSurface integral, concept, no evidence levelSurface integralconceptOrientable surface, concept, no evidence levelOrientable surfaceconceptFlux through a surface, concept, no evidence levelFlux through a surfaceconcept
Each page uses the pages above it. The colour of the bar on a box shows how strong the evidence is, and the box also gives it as text. The list has the same pages.
  • no evidence level
  1. Parametrised surface concept
  2. Surface area concept
  3. Tangent plane and normal vector of a surface concept
  4. Surface integral concept
  5. Orientable surface concept
  6. Flux through a surface concept

Further reading

  1. Web https://en.wikipedia.org/wiki/Flux, General mathematical definition (surface integral)
About this page
Tag026J1MG2NW
URIm2://026J1MG2NW
Aliasesflux-integral
Kindconcept
WritingW0 stub
MSC26B15
SpecializesSurface integral
UsesOrientable surface, Surface integral

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