In fluid dynamics, dynamic pressure (denoted by q or Q and sometimes called velocity pressure) is the quantity defined by: q = 1 2 ρ u 2 {\displaystyle...
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Max q (redirect from Maximum Dynamic Pressure)
The max q, or maximum dynamic pressure, condition is the point when an aerospace vehicle's atmospheric flight reaches the maximum difference between the...
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static pressure refers to a term in Bernoulli's equation written words as static pressure + dynamic pressure = total pressure. Since pressure measurements...
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dynamic pressures; this measurement is called the total pressure or stagnation pressure. Since dynamic pressure is referenced to static pressure, it is...
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Bernoulli's principle (redirect from Bernoulli pressure)
pressure head) and p0 = p + q is the stagnation pressure (the sum of the static pressure p and dynamic pressure q). The constant in the Bernoulli equation...
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flow, stagnation pressure is equal to the sum of the free-stream static pressure and the free-stream dynamic pressure. Stagnation pressure is sometimes referred...
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impact pressure (dynamic pressure) is the difference between total pressure (also known as pitot pressure or stagnation pressure) and static pressure. In...
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aviation). However, Bernoulli's equation states: Stagnation pressure = static pressure + dynamic pressure Which can also be written p t = p s + ( ρ u 2 2 ) {\displaystyle...
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Drag equation (section Relation with dynamic pressure)
P_{\rm {D}}A} where PD is the pressure exerted by the fluid on area A. Here the pressure PD is referred to as dynamic pressure due to the kinetic energy of...
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: 445 Gauge pressure (also spelled gage pressure) is the pressure relative to the ambient pressure. Various units are used to express pressure. Some of these...
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sealed without air. Pressure head is a component of hydraulic head, in which it is combined with elevation head. When considering dynamic (flowing) systems...
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medium causes a deviation (sound pressure, a dynamic pressure) in the local ambient pressure, a static pressure. Sound pressure, denoted p, is defined by p...
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impact pressure (dynamic pressure) and p is static pressure γ {\displaystyle \gamma \,} is the ratio of specific heat of a gas at a constant pressure to heat...
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total pressure and static pressure, provided by the system, to either mechanically or electronically measure dynamic pressure. The dynamic pressure includes...
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Stagnation point (section Pressure coefficient)
plus static pressure. Total pressure is also equal to dynamic pressure plus static pressure so, in incompressible flows, stagnation pressure is equal to...
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properties of water and seawater, rapidly changing water pressure and temperature, as well as dynamic mechanical stresses encountered by a watch. Every "diver's"...
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the International Standard Atmosphere at which the dynamic pressure is the same as the dynamic pressure at the true airspeed (TAS) and altitude at which...
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air speed is higher, the dynamic pressure pushing the air (and/or mixture) inside the engine is increased. The dynamic pressure is proportional to the square...
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(and EAS) are the primary reference points, since they describe the dynamic pressure acting on aircraft surfaces regardless of density, altitude, wind,...
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Pitot–static system (section Pitot–static pressure)
static pressure sources. The difference between the pitot pressure and the static pressure is called dynamic pressure. The greater the dynamic pressure, the...
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Vortex (section Pressure in a vortex)
distribution. The fluid motion in a vortex creates a dynamic pressure (in addition to any hydrostatic pressure) that is lowest in the core region, closest to...
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the name implies, it is designed to exert dynamic pressure between the bone fragments to be transfixed. Dynamic compression is achieved either by attaching...
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Parasitic drag (redirect from Pressure drag)
local wall shear stress, and q is the free-stream dynamic pressure. For boundary layers without a pressure gradient in the x direction, it is related to the...
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Anemometer (redirect from Pressure-plate anemometer)
measures the dynamic pressure of the open mouth of a tube with pointed head facing the wind, and the static port measures the static pressure from small...
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to maintain a constant air pressure at the intake. This optimal climb/descent profile is called a "constant dynamic pressure path". It is thought that...
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{\displaystyle \rho \,v^{2}} is the inertial or dynamic pressure scale. σ / l {\displaystyle \sigma /l} is the Laplace pressure scale. The above is the force prespective...
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At about 80 seconds, the rocket experienced maximum dynamic pressure (max q). The dynamic pressure on a rocket varies with air density and the square of...
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direction of the local flow velocity; q {\displaystyle q} is the local dynamic pressure of the fluid ρ {\displaystyle \rho } is the local mass density of the...
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= kg/m2, or pounds per square foot (psf) = lbm/ft2); q is the bulk dynamic pressure (Pa or psf), given by: q = 1 2 ρ u 2 {\displaystyle q={\frac {1}{2}}\rho...
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Fluid dynamics (redirect from Fluid dynamic)
to pressure in fluid dynamics, many authors use the term static pressure to distinguish it from total pressure and dynamic pressure. Static pressure is...
32 KB (4,147 words) - 16:00, 11 November 2024