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Orifice
 
 
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An orifice is any opening, mouth
Mouth

The mouth, buccal cavity, or oral cavity is the first portion of the alimentary canal that receives food and begins digestion by mechanically breaking up the solid food particles into smaller pieces and mixing them with saliva....
, hole or vent, as of a pipe, plate, or a body.










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An orifice is any opening, mouth
Mouth

The mouth, buccal cavity, or oral cavity is the first portion of the alimentary canal that receives food and begins digestion by mechanically breaking up the solid food particles into smaller pieces and mixing them with saliva....
, hole or vent, as of a pipe, plate, or a body.

  • Body orifice
    Body orifice

    A body orifice is any external opening in the body of an animal. In a typical mammalian body such as the human body, the body orifices are:* The nostrils, for Breath and the associated sense of olfaction....
  • Orifice plate
    Orifice plate

    An orifice plate is a device used to measure the rate of fluid flow. It uses the same principle as a Venturi effect nozzle, namely Bernoulli's principle which says that there is a relationship between the pressure of the fluid and the velocity of the fluid....
  • calibrated orifice
    Calibrated orifice

    A calibrated orifice is a restriction that is deliberately placed into a system of pipeline transports to set the flow rate through the system. The orifice may be designed to produce proportional flow , or choked flow ....
  • Nozzle
    Nozzle

    A nozzle is a mechanical device designed to control the characteristics of a fluid flow as it exits an enclosed chamber or pipe via an orifice....
  • Back Orifice
    Back Orifice

    Back Orifice is a controversial computer program designed for remote administration. It enables a user to control a computer running the Microsoft Windows operating system from a remote location....


See also

  • choked flow
    Choked flow

    Choked flow of a fluid is a Fluid dynamics condition caused by the Venturi effect. When a flowing fluid at a certain pressure and temperature flows through a restriction into a lower pressure environment, under the conservation of mass the fluid velocity must increase for initially subsonic upstream conditions as it flows through the smaller...
  • needle valve
    Needle valve

    A needle valve is a type of valve having a small orifice and a threaded, needle-like plunger.It allows precise regulation of flow, although it is generally used for, and is capable of, only relatively small flow rates....
  • Venturi effect
    Venturi effect

    The Venturi effect is the reduction in fluid pressure that results when a fluid flows through a constricted section of pipe. The fluid velocity must increase through the constriction to satisfy the Derivation of the Navier?Stokes equations#Conservation of mass, while its pressure must decrease due to conservation of energy: the gain in kin...
  • Flow measurement
    Flow measurement

    Flow measurement is the quantification of bulk fluid movement. It can be measured in a variety of ways....