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# Centrifugal compressor

Centrifugal compressors, sometimes termed radial compressors, are a sub-class of dynamic axisymmetric work-absorbing turbomachinery. [1]

111 relations: Adolf Busemann, Aerodynamics, Air conditioning, Alexander Sablukov, American Petroleum Institute, Angular momentum, ASHRAE, ASHRAE Handbook, ASME, Aurel Stodola, Auxiliary power unit, Axial compressor, Ægidius Elling, Bernoulli's principle, Cavitation, Centrifugal fan, Centrifugal force, Centrifugal pump, Centrifugal-type supercharger, Centripetal force, Charles Algernon Parsons, Chemical plant, Claude-Louis Navier, Coandă effect, Compressibility, Compression ratio, Computational fluid dynamics, Coriolis force, Corrected speed, Daniel Bernoulli, Daniel Gabriel Fahrenheit, Darcy–Weisbach equation, Denis Papin, Diesel engine, Enthalpy, Entropy, Equation of state, Ernst Mach, Euler equations (fluid dynamics), Euler's pump and turbine equation, Finite element method, First law of thermodynamics, Fluid, Fluid dynamics, Frank Whittle, Fundamental thermodynamic relation, Gas laws, Gas turbine, Gustaf de Laval, Hans von Ohain, ... Expand index (61 more) »

Adolf Busemann (20 April 1901 – 3 November 1986) was a German aerospace engineer and influential Nazi-era pioneer in aerodynamics, specialising in supersonic airflows.

## Aerodynamics

Aerodynamics, from Greek ἀήρ aer (air) + δυναμική (dynamics), is the study of the motion of air, particularly its interaction with a solid object, such as an airplane wing.

## Air conditioning

Air conditioning (often referred to as AC, A/C, or air con) is the process of removing heat and moisture from the interior of an occupied space, to improve the comfort of occupants.

## Alexander Sablukov

Alexander Alexandrovich Sablukov (Александр Александрович Саблуков; 1783–1857) was a Russian Lieutenant General, engineer and inventor.

## American Petroleum Institute

The American Petroleum Institute (API) is the largest U.S. trade association for the oil and natural gas industry.

## Angular momentum

In physics, angular momentum (rarely, moment of momentum or rotational momentum) is the rotational equivalent of linear momentum.

## ASHRAE

The American Society of Heating, Refrigerating and Air-Conditioning Engineers (doing business since 2012 as ASHRAE) is a global professional association seeking to advance heating, ventilation, air conditioning and refrigeration (HVAC&R) systems design and construction.

## ASHRAE Handbook

The ASHRAE Handbook is the four-volume flagship publication of the nonprofit technical organization ASHRAE (formerly American Society of Heating, Refrigerating and Air-Conditioning Engineers).

## ASME

The American Society of Mechanical Engineers (ASME) is a professional association that, in its own words, "promotes the art, science, and practice of multidisciplinary engineering and allied sciences around the globe" via "continuing education, training and professional development, codes and standards, research, conferences and publications, government relations, and other forms of outreach." ASME is thus an engineering society, a standards organization, a research and development organization, a lobbying organization, a provider of training and education, and a nonprofit organization.

## Aurel Stodola

Aurel Boleslav Stodola (10 May 1859 – 25 December 1942) was a Slovak engineer, physicist, and inventor.

## Auxiliary power unit

An auxiliary power unit (APU) is a device on a vehicle that provides energy for functions other than propulsion.

## Axial compressor

An axial compressor is a compressor that can continuously pressurize gases.

## Ægidius Elling

Jens William Ægidius Elling (also Aegidus or Aegidius) (26 July 1861 – 27 May 1949) was a Norwegian researcher, inventor and pioneer of gas turbine who is considered to be the father of the gas turbine.

## 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.

## 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.

## Centrifugal fan

A centrifugal fan is a mechanical device for moving air or other gases.

## Centrifugal force

In Newtonian mechanics, the centrifugal force is an inertial force (also called a "fictitious" or "pseudo" force) directed away from the axis of rotation that appears to act on all objects when viewed in a rotating frame of reference.

## Centrifugal pump

Centrifugal pumps are a sub-class of dynamic axisymmetric work-absorbing turbomachinery.

## Centrifugal-type supercharger

A centrifugal supercharger is a specialized type of supercharger that makes use of centrifugal force in order to push additional air into an engine.

## Centripetal force

A centripetal force (from Latin centrum, "center" and petere, "to seek") is a force that makes a body follow a curved path.

## Charles Algernon Parsons

Sir Charles Algernon Parsons, (13 June 1854 &ndash; 11 February 1931), the son of a member of the Irish peerage,http://www.tcd.ie/Secretary/FellowsScholars/discourses/discourses/1968_Lord%20Rosse%20on%20W.%20Parsons.pdf was an Anglo-Irish engineer, best known for his invention of the compound steam turbine, and as the namesake of C. A. Parsons and Company.

## Chemical plant

A chemical plant is an industrial process plant that manufactures (or otherwise processes) chemicals, usually on a large scale.

## Claude-Louis Navier

Claude-Louis Navier (born Claude Louis Marie Henri Navier;; 10 February 1785 – 21 August 1836), was a French engineer and physicist who specialized in mechanics.

## Coandă effect

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

## Compressibility

In thermodynamics and fluid mechanics, compressibility (also known as the coefficient of compressibility or isothermal compressibility) is a measure of the relative volume change of a fluid or solid as a response to a pressure (or mean stress) change.

## Compression ratio

The static compression ratio of an internal combustion engine or external combustion engine is a value that represents the ratio of the volume of its combustion chamber from its largest capacity to its smallest capacity.

## Computational fluid dynamics

Computational fluid dynamics (CFD) is a branch of fluid mechanics that uses numerical analysis and data structures to solve and analyze problems that involve fluid flows.

## Coriolis force

In physics, the Coriolis force is an inertial force that acts on objects that are in motion relative to a rotating reference frame.

## Corrected speed

Corrected speed is the speed a component would rotate at if the inlet temperature corresponded to ambient conditions at sea level, on a standard day (i.e. 288.15 K).

## 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.

## Daniel Gabriel Fahrenheit

Daniel Gabriel Fahrenheit FRS (24 May 1686 – 16 September 1736) was a Dutch-German-Polish physicist, inventor, and scientific instrument maker.

## Darcy–Weisbach equation

In fluid dynamics, the Darcy–Weisbach equation is a phenomenological equation, which relates the head loss, or pressure loss, due to friction along a given length of pipe to the average velocity of the fluid flow for an incompressible fluid.

## Denis Papin

Denis Papin FRS (22 August 1647 – 26 August 1713) was a French physicist, mathematician and inventor, best known for his pioneering invention of the steam digester, the forerunner of the pressure cooker and of the steam engine.

## Diesel engine

The diesel engine (also known as a compression-ignition or CI engine), named after Rudolf Diesel, is an internal combustion engine in which ignition of the fuel which is injected into the combustion chamber is caused by the elevated temperature of the air in the cylinder due to mechanical compression (adiabatic compression).

## Enthalpy

Enthalpy is a property of a thermodynamic system.

## Entropy

In statistical mechanics, entropy is an extensive property of a thermodynamic system.

## 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.

## Ernst Mach

Ernst Waldfried Josef Wenzel Mach (18 February 1838 – 19 February 1916) was an Austrian physicist and philosopher, noted for his contributions to physics such as study of shock waves.

## Euler equations (fluid dynamics)

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

## Euler's pump and turbine equation

The Euler’s pump and turbine equations are most fundamental equations in the field of turbomachinery.

## Finite element method

The finite element method (FEM), is a numerical method for solving problems of engineering and mathematical physics.

## First law of thermodynamics

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

## Fluid

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

## Fluid dynamics

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

## Frank Whittle

Air Commodore Sir Frank Whittle (1 June 1907 – 9 August 1996) was a British Royal Air Force air officer.

## Fundamental thermodynamic relation

In thermodynamics, the fundamental thermodynamic relation is generally expressed as a microscopic change in internal energy in terms of microscopic changes in entropy, and volume for a closed system in thermal equilibrium in the following way.

## Gas laws

The gas laws were developed at the end of the 18th century, when scientists began to realize that relationships between pressure, volume and temperature of a sample of gas could be obtained which would hold to approximation for all gases.

## Gas turbine

A gas turbine, also called a combustion turbine, is a type of continuous combustion, internal combustion engine.

## Gustaf de Laval

Karl Gustaf Patrik de Laval (9 May 1845 – 2 February 1913) was a Swedish engineer and inventor who made important contributions to the design of steam turbines and dairy machinery.

## Hans von Ohain

Hans Joachim Pabst von Ohain (14 December 191113 March 1998), a German physicist, was the designer of the first operational jet engine.

## 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.

## Heinkel HeS 011

The Heinkel HeS 011 or Heinkel-Hirth 109-011 (HeS - Heinkel Strahltriebwerke) was an advanced World War II jet engine built by Heinkel-Hirth.

## Henri Coandă

Henri Marie Coandă (7 June 1886 – 25 November 1972Flight 1973) was a Romanian inventor, aerodynamics pioneer, and builder of an experimental aircraft, the Coandă-1910 described by Coandă in the mid-1950s as the world's first jet, a controversial claim disputed by some and supported by others.

## Hermann Schlichting

Hermann Schlichting (22 September 1907 – 15 June 1982) was a German fluid dynamics engineer.

## HVAC

Heating, ventilation and air conditioning (HVAC) is the technology of indoor and vehicular environmental comfort.

## Ideal gas law

The ideal gas law, also called the general gas equation, is the equation of state of a hypothetical ideal gas.

## Impeller

An impeller (also written as impellor or impellar) is a rotor used to increase (or decrease in case of turbines) the pressure and flow of a fluid.

## 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.

## John Barber (engineer)

John Barber (1734–1793) was an English coal viewer and inventor.

## Kinematics

Kinematics is a branch of classical mechanics that describes the motion of points, bodies (objects), and systems of bodies (groups of objects) without considering the mass of each or the forces that caused the motion.

## Kinetic energy

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

## 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.

## Ludwig Prandtl

Ludwig Prandtl (4 February 1875 &ndash; 15 August 1953) was a German engineer.

## 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.

## Martin Wilhelm Kutta

Martin Wilhelm Kutta (3 November 1867 – 25 December 1944) was a German mathematician.

## Mixed flow compressor

A mixed flow compressor, or diagonal compressor, combines axial and radial components to produce a diagonal airflow compressor stage.

## Multiphase flow

In fluid mechanics, multiphase flow is simultaneous flow of (a) materials with different states or phases (i.e. gas, liquid or solid), or (b) materials with different chemical properties but in the same state or phase (i.e. liquid-liquid systems such as oil droplets in water).

## Natural gas

Natural gas is a naturally occurring hydrocarbon gas mixture consisting primarily of methane, but commonly including varying amounts of other higher alkanes, and sometimes a small percentage of carbon dioxide, nitrogen, hydrogen sulfide, or helium.

## Natural-gas processing

Natural-gas processing is a complex industrial process designed to clean raw natural gas by separating impurities and various non-methane hydrocarbons and fluids to produce what is known as pipeline quality dry natural gas.

## 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.

## Newton's laws of motion

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

## Nikolay Yegorovich Zhukovsky

Nikolay Yegorovich Zhukovsky (p; – March 17, 1921) was a Russian scientist, mathematician and engineer, and a founding father of modern aero- and hydrodynamics.

## Oil field

An "oil field" or "oilfield" is a region with an abundance of oil wells extracting petroleum (crude oil) from below ground.

## Oil refinery

Oil refinery or petroleum refinery is an industrial process plant where crude oil is transformed and refined into more useful products such as petroleum naphtha, gasoline, diesel fuel, asphalt base, heating oil, kerosene, liquefied petroleum gas, jet fuel and fuel oils.

## Paul Richard Heinrich Blasius

Paul Richard Heinrich Blasius (9 August 1883 – 24 April 1970) was a German fluid dynamics physicist.

## Petrochemical

Petrochemicals (also known as petroleum distillates) are chemical products derived from petroleum.

## Pipeline transport

Pipeline transport is the transportation of goods or material through a pipe.

## Pneumatic tool

A pneumatic tool, air tool, air-powered tool or pneumatic-powered tool is a type of power tool, driven by compressed air, supplied by an air compressor.

## 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.

A radial turbine is a turbine in which the flow of the working fluid is radial to the shaft.

## Real gas

Real gases are non-hypothetical gases whose molecules occupy space and have interactions; consequently, they adhere to gas laws.

## Reciprocating compressor

A reciprocating compressor or piston compressor is a positive-displacement compressor that uses pistons driven by a crankshaft to deliver gases at high pressure.

## Refrigerant

A refrigerant is a substance or mixture, usually a fluid, used in a heat pump and refrigeration cycle.

## Refrigeration

Refrigeration is a process of removing heat from a low-temperature reservoir and transferring it to a high-temperature reservoir.

## Reynolds number

The Reynolds number is an important dimensionless quantity in fluid mechanics used to help predict flow patterns in different fluid flow situations.

## Reynolds transport theorem

In differential calculus, the Reynolds transport theorem (also known as the Leibniz–Reynolds transport theorem), or in short Reynolds' theorem, is a three-dimensional generalization of the Leibniz integral rule which is also known as differentiation under the integral sign.

## Reynolds-averaged Navier–Stokes equations

The Reynolds-averaged Navier–Stokes equations (or RANS equations) are time-averaged equations of motion for fluid flow.

## Rossby number

The Rossby number (Ro) named for Carl-Gustav Arvid Rossby, is a dimensionless number used in describing fluid flow.

## SAE International

SAE International, initially established as the Society of Automotive Engineers, is a U.S.-based, globally active professional association and standards developing organization for engineering professionals in various industries.

## Sanford Alexander Moss

Sanford Alexander Moss (August 23, 1872 &ndash; November 10, 1946) was an American aviation engineer, who was the first to use a turbocharger on an aircraft engine.

## Sir George Stokes, 1st Baronet

Sir George Gabriel Stokes, 1st Baronet, (13 August 1819 – 1 February 1903), was an Irish physicist and mathematician.

## 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.

## 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.

## Supercharger

A supercharger is an air compressor that increases the pressure or density of air supplied to an internal combustion engine.

## Temperature

Temperature is a physical quantity expressing hot and cold.

## Theodore von Kármán

Theodore von Kármán ((szőllőskislaki) Kármán Tódor; 11 May 1881 – 6 May 1963) was a Hungarian-American mathematician, aerospace engineer, and physicist who was active primarily in the fields of aeronautics and astronautics.

## Thermodynamic cycle

A thermodynamic cycle consists of a linked sequence of thermodynamic processes that involve transfer of heat and work into and out of the system, while varying pressure, temperature, and other state variables within the system, and that eventually returns the system to its initial state.

## Thermodynamics

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

## Three-dimensional losses and correlation in turbomachinery

Three-dimensionality in turbomachine increases complexity in flow field so, determination of losses becomes difficult unlike two-dimensional losses where equation complexity is little.

## Total pressure

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

## Turbine

A turbine (from the Latin turbo, a vortex, related to the Greek τύρβη, tyrbē, meaning "turbulence") is a rotary mechanical device that extracts energy from a fluid flow and converts it into useful work.

## Turbocharger

A turbocharger, or colloquially turbo, is a turbine-driven forced induction device that increases an internal combustion engine's efficiency and power output by forcing extra air into the combustion chamber.

## Turbomachinery

Turbomachinery, in mechanical engineering, describes machines that transfer energy between a rotor and a fluid, including both turbines and compressors.

## Turboprop

A turboprop engine is a turbine engine that drives an aircraft propeller.

## Turboshaft

A turboshaft engine is a form of gas turbine that is optimized to produce shaft power rather than jet thrust.

## Turbulence

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

## Vapor-compression refrigeration

Vapor-compression refrigeration or vapor-compression refrigeration system (VCRS), in which the refrigerant undergoes phase changes, is one of the many refrigeration cycles and is the most widely used method for air-conditioning of buildings and automobiles.

## Velocity

The velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time.

## Viscosity

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

## Von Karman Institute for Fluid Dynamics

The von Karman Institute for Fluid Dynamics (VKI) is a non-profit educational and scientific organization which specializes in three specific fields: aeronautics and aerospace, environment and applied fluid dynamics, turbomachinery and propulsion.

## Willis Carrier

Willis Haviland Carrier (November 26, 1876 &ndash; October 7, 1950) was an American engineer, best known for inventing modern air conditioning.

## References

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