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Bernoulli's principle

Index Bernoulli's principle

In fluid dynamics, Bernoulli's principle states that an increase in the speed of a fluid occurs simultaneously with a decrease in pressure or a decrease in the fluid's potential energy. [1]

103 relations: Acoustics, Adiabatic process, Airfoil, Airspeed, Airspeed indicator, Barotropic fluid, Bernoulli grip, Bernoulli's principle, Boundary layer, Carburetor, Cavitation, Coandă effect, Compressible flow, Conservation of energy, Conservative force, Conservative vector field, Course of Theoretical Physics, Daniel Bernoulli, David F. Anderson, De Laval nozzle, Density, Dynamic pressure, Elevation, Enthalpy, Equation of state, Euler equations (fluid dynamics), First law of thermodynamics, Flow velocity, Fluid, Fluid dynamics, Fluid parcel, Force, Frame of reference, Free fall, Friction, Gas, Gradient, Gravitational potential, Gravity of Earth, Heat capacity ratio, Hubert Chanson, Hydraulic head, Hydraulics, Hydrodynamica, Hydrostatics, Ideal gas, Incompressible flow, Indicated airspeed, Injector, Integral, ..., Internal energy, Irreversible process, Isaac Newton, Isentropic process, Isobaric process, Isochoric process, Kinetic energy, Lagrangian and Eulerian specification of the flow field, Lagrangian mechanics, Length, Leonhard Euler, Lift (force), Liquid, Luke's variational principle, Mach number, Momentum, Navier–Stokes equations, Newton's laws of motion, Ordinary differential equation, Orifice plate, Partial derivative, Physical constant, Pipe flow, Pitot tube, Pitot-static system, Plume (fluid dynamics), Potential energy, Pressure, Pressure head, Propeller (aeronautics), Rocket propellant, Shock wave, Sound, Specific energy, Speed, Speed of sound, Stagnation pressure, Static pressure, Streamlines, streaklines, and pathlines, Temperature, Term (logic), The Feynman Lectures on Physics, Thermal radiation, Thermodynamics, Torricelli's law, Total pressure, Turbulence, Vacuum, Velocity potential, Venturi effect, Viscosity, Wind wave, Work (physics). Expand index (53 more) »

Acoustics

Acoustics is the branch of physics that deals with the study of all mechanical waves in gases, liquids, and solids including topics such as vibration, sound, ultrasound and infrasound.

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Adiabatic process

In thermodynamics, an adiabatic process is one that occurs without transfer of heat or matter between a thermodynamic system and its surroundings.

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Airfoil

An airfoil (American English) or aerofoil (British English) is the shape of a wing, blade (of a propeller, rotor, or turbine), or sail (as seen in cross-section).

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Airspeed

Airspeed is the speed of an aircraft relative to the air.

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Airspeed indicator

The airspeed indicator or airspeed gauge is an instrument used in an aircraft to display the craft's airspeed, typically in knots, to the pilot.

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Barotropic fluid

In fluid dynamics, a barotropic fluid is a fluid whose density is a function of pressure only.

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Bernoulli grip

A Bernoulli grip uses airflow to adhere to an object without physical contact.

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Bernoulli's principle

In fluid dynamics, Bernoulli's principle states that an increase in the speed of a fluid occurs simultaneously with a decrease in pressure or a decrease in the fluid's potential energy.

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Boundary layer

In physics and fluid mechanics, a boundary layer is an important concept and refers to the layer of fluid in the immediate vicinity of a bounding surface where the effects of viscosity are significant.

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Carburetor

A carburetor (American English) or carburettor (British English; see spelling differences) is a device that mixes air and fuel for internal combustion engines in the proper ratio for combustion.

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Cavitation

Cavitation is the formation of vapour cavities in a liquid, small liquid-free zones ("bubbles" or "voids"), that are the consequence of forces acting upon the liquid.

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Coandă effect

The Coandă effect is the tendency of a fluid jet to stay attached to a convex surface.

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Compressible flow

Compressible flow (gas dynamics) is the branch of fluid mechanics that deals with flows having significant changes in fluid density.

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Conservation of energy

In physics, the law of conservation of energy states that the total energy of an isolated system remains constant, it is said to be ''conserved'' over time.

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Conservative force

A conservative force is a force with the property that the total work done in moving a particle between two points is independent of the taken path.

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Conservative vector field

In vector calculus, a conservative vector field is a vector field that is the gradient of some function, known in this context as a scalar potential.

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Course of Theoretical Physics

The Course of Theoretical Physics is a ten-volume series of books covering theoretical physics that was initiated by Lev Landau and written in collaboration with his student Evgeny Lifshitz starting in the late 1930s.

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Daniel Bernoulli

Daniel Bernoulli FRS (8 February 1700 – 17 March 1782) was a Swiss mathematician and physicist and was one of the many prominent mathematicians in the Bernoulli family.

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David F. Anderson

David F. Anderson (born 5 June 1978 in Bridgewater, Massachusetts, USA) is a professor of mathematics at the University of Wisconsin-Madison.

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De Laval nozzle

A de Laval nozzle (or convergent-divergent nozzle, CD nozzle or con-di nozzle) is a tube that is pinched in the middle, making a carefully balanced, asymmetric hourglass shape.

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Density

The density, or more precisely, the volumetric mass density, of a substance is its mass per unit volume.

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Dynamic pressure

Dynamic pressure (sometimes called velocity pressure) is the increase in a moving fluid's pressure over its static value due to motion.

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Elevation

The elevation of a geographic location is its height above or below a fixed reference point, most commonly a reference geoid, a mathematical model of the Earth's sea level as an equipotential gravitational surface (see Geodetic datum § Vertical datum).

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Enthalpy

Enthalpy is a property of a thermodynamic system.

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Equation of state

In physics and thermodynamics, an equation of state is a thermodynamic equation relating state variables which describe the state of matter under a given set of physical conditions, such as pressure, volume, temperature (PVT), or internal energy.

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Euler equations (fluid dynamics)

In fluid dynamics, the Euler equations are a set of quasilinear hyperbolic equations governing adiabatic and inviscid flow.

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First law of thermodynamics

The first law of thermodynamics is a version of the law of conservation of energy, adapted for thermodynamic systems.

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Flow velocity

In continuum mechanics the macroscopic velocity, also flow velocity in fluid dynamics or drift velocity in electromagnetism, is a vector field used to mathematically describe the motion of a continuum.

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Fluid

In physics, a fluid is a substance that continually deforms (flows) under an applied shear stress.

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Fluid dynamics

In physics and engineering, fluid dynamics is a subdiscipline of fluid mechanics that describes the flow of fluids - liquids and gases.

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Fluid parcel

In fluid dynamics, within the framework of continuum mechanics, a fluid parcel is a very small amount of fluid, identifiable throughout its dynamic history while moving with the fluid flow.

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Force

In physics, a force is any interaction that, when unopposed, will change the motion of an object.

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Frame of reference

In physics, a frame of reference (or reference frame) consists of an abstract coordinate system and the set of physical reference points that uniquely fix (locate and orient) the coordinate system and standardize measurements.

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Free fall

In Newtonian physics, free fall is any motion of a body where gravity is the only force acting upon it.

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Friction

Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.

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Gas

Gas is one of the four fundamental states of matter (the others being solid, liquid, and plasma).

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Gradient

In mathematics, the gradient is a multi-variable generalization of the derivative.

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Gravitational potential

In classical mechanics, the gravitational potential at a location is equal to the work (energy transferred) per unit mass that would be needed to move the object from a fixed reference location to the location of the object.

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Gravity of Earth

The gravity of Earth, which is denoted by, refers to the acceleration that is imparted to objects due to the distribution of mass within Earth.

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Heat capacity ratio

In thermal physics and thermodynamics, the heat capacity ratio or adiabatic index or ratio of specific heats or Poisson constant, is the ratio of the heat capacity at constant pressure to heat capacity at constant volume.

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Hubert Chanson

Hubert Chanson (born 1 November 1961) is a professor in hydraulic engineering and applied fluid mechanics in the School of Civil Engineering at the University of Queensland since 1990.

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Hydraulic head

Hydraulic head or piezometric head is a specific measurement of liquid pressure above a geodetic datum.

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Hydraulics

Hydraulics (from Greek: Υδραυλική) is a technology and applied science using engineering, chemistry, and other sciences involving the mechanical properties and use of liquids.

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Hydrodynamica

Hydrodynamica (Latin for Hydrodynamics) is a book published by Daniel Bernoulli in 1738.

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Hydrostatics

Fluid statics or hydrostatics is the branch of fluid mechanics that studies fluids at rest.

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Ideal gas

An ideal gas is a theoretical gas composed of many randomly moving point particles whose only interactions are perfectly elastic collisions.

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Incompressible flow

In fluid mechanics or more generally continuum mechanics, incompressible flow (isochoric flow) refers to a flow in which the material density is constant within a fluid parcel—an infinitesimal volume that moves with the flow velocity.

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Indicated airspeed

Indicated airspeed (IAS) is the airspeed read directly from the airspeed indicator (ASI) on an aircraft, driven by the pitot-static system.

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Injector

A steam injector is typically used to deliver cold water to a boiler against its own pressure using its own live or exhaust steam, replacing any mechanical pump.

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Integral

In mathematics, an integral assigns numbers to functions in a way that can describe displacement, area, volume, and other concepts that arise by combining infinitesimal data.

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Internal energy

In thermodynamics, the internal energy of a system is the energy contained within the system, excluding the kinetic energy of motion of the system as a whole and the potential energy of the system as a whole due to external force fields.

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Irreversible process

In science, a process that is not reversible is called irreversible.

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Isaac Newton

Sir Isaac Newton (25 December 1642 – 20 March 1726/27) was an English mathematician, astronomer, theologian, author and physicist (described in his own day as a "natural philosopher") who is widely recognised as one of the most influential scientists of all time, and a key figure in the scientific revolution.

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Isentropic process

In thermodynamics, an isentropic process is an idealized thermodynamic process that is both adiabatic and reversible.

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Isobaric process

An isobaric process is a thermodynamic process in which the pressure stays constant: ΔP.

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Isochoric process

An isochoric process, also called a constant-volume process, an isovolumetric process, or an isometric process, is a thermodynamic process during which the volume of the closed system undergoing such a process remains constant.

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Kinetic energy

In physics, the kinetic energy of an object is the energy that it possesses due to its motion.

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Lagrangian and Eulerian specification of the flow field

In classical field theory the Lagrangian specification of the field is a way of looking at fluid motion where the observer follows an individual fluid parcel as it moves through space and time.

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Lagrangian mechanics

Lagrangian mechanics is a reformulation of classical mechanics, introduced by the Italian-French mathematician and astronomer Joseph-Louis Lagrange in 1788.

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Length

In geometric measurements, length is the most extended dimension of an object.

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Leonhard Euler

Leonhard Euler (Swiss Standard German:; German Standard German:; 15 April 170718 September 1783) was a Swiss mathematician, physicist, astronomer, logician and engineer, who made important and influential discoveries in many branches of mathematics, such as infinitesimal calculus and graph theory, while also making pioneering contributions to several branches such as topology and analytic number theory.

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Lift (force)

A fluid flowing past the surface of a body exerts a force on it.

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Liquid

A liquid is a nearly incompressible fluid that conforms to the shape of its container but retains a (nearly) constant volume independent of pressure.

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Luke's variational principle

In fluid dynamics, Luke's variational principle is a Lagrangian variational description of the motion of surface waves on a fluid with a free surface, under the action of gravity.

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Mach number

In fluid dynamics, the Mach number (M or Ma) is a dimensionless quantity representing the ratio of flow velocity past a boundary to the local speed of sound.

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Momentum

In Newtonian mechanics, linear momentum, translational momentum, or simply momentum (pl. momenta) is the product of the mass and velocity of an object.

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Navier–Stokes equations

In physics, the Navier–Stokes equations, named after Claude-Louis Navier and George Gabriel Stokes, describe the motion of viscous fluid substances.

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Newton's laws of motion

Newton's laws of motion are three physical laws that, together, laid the foundation for classical mechanics.

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Ordinary differential equation

In mathematics, an ordinary differential equation (ODE) is a differential equation containing one or more functions of one independent variable and its derivatives.

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Orifice plate

An orifice plate is a device used for measuring flow rate, for reducing pressure or for restricting flow (in the latter two cases it is often called a). Either a volumetric or mass flow rate may be determined, depending on the calculation associated with the orifice plate.

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Partial derivative

In mathematics, a partial derivative of a function of several variables is its derivative with respect to one of those variables, with the others held constant (as opposed to the total derivative, in which all variables are allowed to vary).

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Physical constant

A physical constant, sometimes fundamental physical constant or universal constant, is a physical quantity that is generally believed to be both universal in nature and have constant value in time.

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Pipe flow

Pipe flow, a branch of hydraulics and fluid mechanics, is a type of liquid flow within a closed conduit (conduit in the sense of a means of containment).

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Pitot tube

A Pitot tube, also known as Pitot probe, is a flow measurement device used to measure fluid flow velocity.

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Pitot-static system

A pitot-static system is a system of pressure-sensitive instruments that is most often used in aviation to determine an aircraft's airspeed, Mach number, altitude, and altitude trend.

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Plume (fluid dynamics)

In hydrodynamics, a plume is a column of one fluid moving through another.

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Potential energy

In physics, potential energy is the energy possessed by an object because of its position relative to other objects, stresses within itself, its electric charge, or other factors.

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Pressure

Pressure (symbol: p or P) is the force applied perpendicular to the surface of an object per unit area over which that force is distributed.

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Pressure head

In fluid mechanics, pressure head is the internal energy of a fluid due to the pressure exerted on its container.

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Propeller (aeronautics)

An aircraft propeller, or airscrew,Beaumont, R.A.; Aeronautical Engineering, Odhams, 1942, Chapter 13, "Airscrews".

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Rocket propellant

Rocket propellant is a material used either directly by a rocket as the reaction mass (propulsive mass) that is ejected, typically with very high speed, from a rocket engine to produce thrust, and thus provide spacecraft propulsion, or indirectly to produce the reaction mass in a chemical reaction.

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Shock wave

In physics, a shock wave (also spelled shockwave), or shock, is a type of propagating disturbance.

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Sound

In physics, sound is a vibration that typically propagates as an audible wave of pressure, through a transmission medium such as a gas, liquid or solid.

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Specific energy

Specific energy is energy per unit mass.

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Speed

In everyday use and in kinematics, the speed of an object is the magnitude of its velocity (the rate of change of its position); it is thus a scalar quantity.

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Speed of sound

The speed of sound is the distance travelled per unit time by a sound wave as it propagates through an elastic medium.

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Stagnation pressure

In fluid dynamics, stagnation pressure (or pitot pressure) is the static pressure at a stagnation point in a fluid flow.

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Static pressure

In fluid mechanics the term static pressure has several uses.

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Streamlines, streaklines, and pathlines

Streamlines, streaklines and pathlines are field lines in a fluid flow.

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Temperature

Temperature is a physical quantity expressing hot and cold.

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Term (logic)

In analogy to natural language, where a noun phrase refers to an object and a whole sentence refers to a fact, in mathematical logic, a term denotes a mathematical object and a formula denotes a mathematical fact.

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The Feynman Lectures on Physics

The Feynman Lectures on Physics is a physics textbook based on some lectures by Richard P. Feynman, a Nobel laureate who has sometimes been called "The Great Explainer".

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Thermal radiation

Thermal radiation is electromagnetic radiation generated by the thermal motion of charged particles in matter.

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Thermodynamics

Thermodynamics is the branch of physics concerned with heat and temperature and their relation to energy and work.

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Torricelli's law

Torricelli's law, also known as Torricelli's theorem, is a theorem in fluid dynamics relating the speed of fluid flowing out of an orifice to the height of fluid above the opening.

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Total pressure

In physics, the term total pressure may indicate two different quantities, both having the dimensions of a pressure.

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Turbulence

In fluid dynamics, turbulence or turbulent flow is any pattern of fluid motion characterized by chaotic changes in pressure and flow velocity.

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Vacuum

Vacuum is space devoid of matter.

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Velocity potential

A velocity potential is a scalar potential used in potential flow theory.

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Venturi effect

The Venturi effect is the reduction in fluid pressure that results when a fluid flows through a constricted section (or choke) of a pipe.

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Viscosity

The viscosity of a fluid is the measure of its resistance to gradual deformation by shear stress or tensile stress.

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Wind wave

In fluid dynamics, wind waves, or wind-generated waves, are surface waves that occur on the free surface of bodies of water (like oceans, seas, lakes, rivers, canals, puddles or ponds).

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Work (physics)

In physics, a force is said to do work if, when acting, there is a displacement of the point of application in the direction of the force.

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References

[1] https://en.wikipedia.org/wiki/Bernoulli's_principle

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