Circulation

Source: Wikipedia, the free encyclopedia.

Circulation may refer to:

Science and technology

  • Atmospheric circulation, the large-scale movement of air
  • Circulation (physics), the path integral of the fluid velocity around a closed curve in a fluid flow field
  • Circulatory system, a biological organ system whose primary function is to move substances to and from cells
  • Circulation problem, a generalization of network flow problems
  • Circulation (architecture), the flow of people through a building
  • Circulation (currency)
    , all currency held by consumers and businesses, but not by financial institutions and governments
  • Exhaust gas recirculation, a nitrogen oxide reduction technique used in most gasoline and diesel engines
  • Library circulation, the activities around the lending of library books and other material to users of a lending library
  • Ocean circulation
    , the large-scale movement of water
  • Rhetorical circulation, the ways that texts and discourses move through time and space

Other uses