Center of pressure

Center of pressure
Pressure Pres"sure (?; 138), n. [OF., fr. L. pressura, fr. premere. See 4th {Press}.] 1. The act of pressing, or the condition of being pressed; compression; a squeezing; a crushing; as, a pressure of the hand. [1913 Webster]

2. A contrasting force or impulse of any kind; as, the pressure of poverty; the pressure of taxes; the pressure of motives on the mind; the pressure of civilization. [1913 Webster]

Where the pressure of danger was not felt. --Macaulay. [1913 Webster]

3. Affliction; distress; grievance. [1913 Webster]

My people's pressures are grievous. --Eikon Basilike. [1913 Webster]

In the midst of his great troubles and pressures. --Atterbury. [1913 Webster]

4. Urgency; as, the pressure of business. [1913 Webster]

5. Impression; stamp; character impressed. [1913 Webster]

All saws of books, all forms, all pressures past. --Shak. [1913 Webster]

6. (Mech.) The action of a force against some obstacle or opposing force; a force in the nature of a thrust, distributed over a surface, often estimated with reference to the amount upon a unit's area. [1913 Webster]

7. Electro-motive force. [Webster 1913 Suppl.]

{Atmospheric pressure}, {Center of pressure}, etc. See under {Atmospheric}, {Center}, etc.

{Back pressure} (Steam engine), pressure which resists the motion of the piston, as the pressure of exhaust steam which does not find free outlet.

{Fluid pressure}, pressure like that exerted by a fluid. It is a thrust which is normal and equally intense in all directions around a point. --Rankine.

{Pressure gauge}, a gauge for indicating fluid pressure; a manometer. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Center of pressure — Center Cen ter, n. [F. centre, fr. L. centrum, fr. round which a circle is described, fr. ? to prick, goad.] 1. A point equally distant from the extremities of a line, figure, or body, or from all parts of the circumference of a circle; the… …   The Collaborative International Dictionary of English

  • Center of pressure — The center of pressure is the point on a body where the sum total of the aerodynamic pressure field acts, causing a force and no moment about that point. Mathematically it can be said that the net pressure force on the body acts through this… …   Wikipedia

  • center of pressure — The point, usually on the chord line, through which the total reaction (sum total of all aerodynamics forces) may be considered to act. The center of pressure is not a fixed point but moves with changes to the angle of attack …   Aviation dictionary

  • center of pressure — slėgimo centras statusas T sritis automatika atitikmenys: angl. center of pressure vok. Angriffsmittelpunkt, m; Druckmittelpunkt, m; Druckpunkt, m rus. центр давления, m pranc. centre de poussée, m …   Automatikos terminų žodynas

  • center of pressure — slėgio centras statusas T sritis fizika atitikmenys: angl. center of pressure vok. Druckmittelpunkt, m rus. центр давления, m pranc. centre de pression, m …   Fizikos terminų žodynas

  • center of pressure — An aerodynamically determined point at which wind force on the side of a vehicle is assumed to be concentrated for analytical purposes. It is a function of the shape and aerodynamic drag (resistance) of an automobile s body shell, determines the… …   Dictionary of automotive terms

  • center of pressure — 1. of an airfoil section : the point in the chord (prolonged if necessary) that is at the intersection of the chord and the line of action of the resultant air force 2. : the point of a surface exposed to external pressure (as of a fluid) at… …   Useful english dictionary

  • center of pressure — area where the pressure is greatest …   English contemporary dictionary

  • center-of-pressure travel — i. The linear distance the center of pressure travels along a chord over the entire range of angles of attack, ignoring the effects of compressibility and subsonic flow. The center of pressure moves forward as the angle of attack increases until… …   Aviation dictionary

  • center-of-pressure coefficient — The ratio of the distance of the center of pressure from the leading edge of an airfoil to its chord length …   Aviation dictionary

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