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Transonic, the Glossary

Index Transonic

Transonic (or transsonic) flow is air flowing around an object at a speed that generates regions of both subsonic and supersonic airflow around that object.[1]

Table of Contents

  1. 44 relations: Accretion (astrophysics), Adolf Busemann, Aerodynamics, Airfoil, Ames Research Center, Anti-shock body, Area rule, Chord (aeronautics), Compressible flow, Critical Mach number, Dew point, Differential equation, Flow separation, Francesco Tricomi, Hodograph, Howard Wilson Emmons, Hugh Latimer Dryden, Hypersonic speed, Interstellar Boundary Explorer, Jet engine, Julian Cole, Kelly Johnson (engineer), Leon Trilling, Linearization, Ludwig Prandtl, Mach number, National Advisory Committee for Aeronautics, Nonlinear system, Prandtl–Glauert singularity, Prandtl–Meyer expansion fan, Rotorcraft, Shock wave, Solar wind, Speed of sound, Streamlines, streaklines, and pathlines, Supercritical airfoil, Supersonic airfoils, Supersonic speed, Swept wing, Technical University of Braunschweig, Theodore von Kármán, Walter G. Vincenti, Wind tunnel, World War II.

  2. Aircraft performance
  3. Airspeed

Accretion (astrophysics)

In astrophysics, accretion is the accumulation of particles into a massive object by gravitationally attracting more matter, typically gaseous matter, into an accretion disk.

See Transonic and Accretion (astrophysics)

Adolf Busemann

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

See Transonic and Adolf Busemann

Aerodynamics

Aerodynamics (ἀήρ aero (air) + δυναμική (dynamics)) is the study of the motion of air, particularly when affected by a solid object, such as an airplane wing.

See Transonic and Aerodynamics

Airfoil

An airfoil (American English) or aerofoil (British English) is a streamlined body that is capable of generating significantly more lift than drag. Transonic and airfoil are aerodynamics.

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Ames Research Center

The Ames Research Center (ARC), also known as NASA Ames, is a major NASA research center at Moffett Federal Airfield in California's Silicon Valley.

See Transonic and Ames Research Center

Anti-shock body

Anti-shock body is the name given by Richard T. Whitcomb to a pod positioned on the upper surface of a wing. Transonic and Anti-shock body are aerodynamics.

See Transonic and Anti-shock body

Area rule

The Whitcomb area rule, named after NACA engineer Richard Whitcomb and also called the transonic area rule, is a design procedure used to reduce an aircraft's drag at transonic speeds which occur between about Mach 0.75 and 1.2.

See Transonic and Area rule

Chord (aeronautics)

In aeronautics, the chord is an imaginary straight line joining the leading edge and trailing edge of an aerofoil.

See Transonic and Chord (aeronautics)

Compressible flow

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

See Transonic and Compressible flow

Critical Mach number

In aerodynamics, the critical Mach number (Mcr or M*) of an aircraft is the lowest Mach number at which the airflow over some point of the aircraft reaches the speed of sound, but does not exceed it.

See Transonic and Critical Mach number

Dew point

The dew point of a given body of air is the temperature to which it must be cooled to become saturated with water vapor.

See Transonic and Dew point

Differential equation

In mathematics, a differential equation is an equation that relates one or more unknown functions and their derivatives.

See Transonic and Differential equation

Flow separation

In fluid dynamics, flow separation or boundary layer separation is the detachment of a boundary layer from a surface into a wake.

See Transonic and Flow separation

Francesco Tricomi

Francesco Giacomo Tricomi (5 May 1897 – 21 November 1978) was an Italian mathematician famous for his studies on mixed type partial differential equations.

See Transonic and Francesco Tricomi

Hodograph

A hodograph is a diagram that gives a vectorial visual representation of the movement of a body or a fluid.

See Transonic and Hodograph

Howard Wilson Emmons

Howard Wilson Emmons (1912–1998) was an American professor in the department of Mechanical Engineering at Harvard University.

See Transonic and Howard Wilson Emmons

Hugh Latimer Dryden

Hugh Latimer Dryden (July 2, 1898 – December 2, 1965) was an American aeronautical scientist and civil servant.

See Transonic and Hugh Latimer Dryden

Hypersonic speed

In aerodynamics, a hypersonic speed is one that exceeds five times the speed of sound, often stated as starting at speeds of Mach 5 and above. Transonic and hypersonic speed are aerodynamics and Airspeed.

See Transonic and Hypersonic speed

Interstellar Boundary Explorer

Interstellar Boundary Explorer (IBEX or Explorer 91 or SMEX-10) is a NASA satellite in Earth orbit that uses energetic neutral atoms (ENAs) to image the interaction region between the Solar System and interstellar space.

See Transonic and Interstellar Boundary Explorer

Jet engine

A jet engine is a type of reaction engine, discharging a fast-moving jet of heated gas (usually air) that generates thrust by jet propulsion. Transonic and jet engine are aerodynamics.

See Transonic and Jet engine

Julian Cole

Julian David Cole (April 2, 1925 – April 17, 1999) was an American mathematician.

See Transonic and Julian Cole

Kelly Johnson (engineer)

Clarence Leonard "Kelly" Johnson (February 27, 1910 – December 21, 1990) was an American aeronautical and systems engineer.

See Transonic and Kelly Johnson (engineer)

Leon Trilling

Leon Trilling (July 15, 1924 Białystok, Poland - April 20, 2018), an aeronautical engineer and historian of technology, was professor emeritus in MIT’s Department of Aeronautics and Astronautics and the Program in Science, Technology, and Society, and co-founder of the Massachusetts Department of Education's statewide METCO (Metropolitan Council for Educational Opportunity) Program.

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Linearization

In mathematics, linearization is finding the linear approximation to a function at a given point.

See Transonic and Linearization

Ludwig Prandtl

Ludwig Prandtl (4 February 1875 – 15 August 1953) was a German fluid dynamicist, physicist and aerospace scientist.

See Transonic and Ludwig Prandtl

Mach number

The Mach number (M or Ma), often only Mach, is a dimensionless quantity in fluid dynamics representing the ratio of flow velocity past a boundary to the local speed of sound. Transonic and Mach number are aerodynamics and Airspeed.

See Transonic and Mach number

National Advisory Committee for Aeronautics

The National Advisory Committee for Aeronautics (NACA) was a United States federal agency that was founded on March 3, 1915, to undertake, promote, and institutionalize aeronautical research.

See Transonic and National Advisory Committee for Aeronautics

Nonlinear system

In mathematics and science, a nonlinear system (or a non-linear system) is a system in which the change of the output is not proportional to the change of the input.

See Transonic and Nonlinear system

Prandtl–Glauert singularity

The Prandtl–Glauert singularity is a theoretical construct in flow physics, often incorrectly used to explain vapor cones in transonic flows. Transonic and Prandtl–Glauert singularity are aerodynamics.

See Transonic and Prandtl–Glauert singularity

Prandtl–Meyer expansion fan

A supersonic expansion fan, technically known as Prandtl–Meyer expansion fan, a two-dimensional simple wave, is a centered expansion process that occurs when a supersonic flow turns around a convex corner. Transonic and Prandtl–Meyer expansion fan are aerodynamics.

See Transonic and Prandtl–Meyer expansion fan

Rotorcraft

A rotorcraft or rotary-wing aircraft is a heavier-than-air aircraft with rotary wings or rotor blades, which generate lift by rotating around a vertical mast.

See Transonic and Rotorcraft

Shock wave

In physics, a shock wave (also spelled shockwave), or shock, is a type of propagating disturbance that moves faster than the local speed of sound in the medium.

See Transonic and Shock wave

Solar wind

The solar wind is a stream of charged particles released from the Sun's outermost atmospheric layer, the corona.

See Transonic and Solar wind

Speed of sound

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

See Transonic and Speed of sound

Streamlines, streaklines, and pathlines

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

See Transonic and Streamlines, streaklines, and pathlines

Supercritical airfoil

A supercritical aerofoil (supercritical airfoil in American English) is an airfoil designed primarily to delay the onset of wave drag in the transonic speed range.

See Transonic and Supercritical airfoil

Supersonic airfoils

A supersonic airfoil is a cross-section geometry designed to generate lift efficiently at supersonic speeds. Transonic and supersonic airfoils are aerodynamics and Airspeed.

See Transonic and Supersonic airfoils

Supersonic speed

Supersonic speed is the speed of an object that exceeds the speed of sound (Mach 1). Transonic and Supersonic speed are aerodynamics and Airspeed.

See Transonic and Supersonic speed

Swept wing

A swept wing is a wing angled either backward or occasionally forward from its root rather than perpendicular to the fuselage.

See Transonic and Swept wing

Technical University of Braunschweig

The Technical University of Braunschweig (Technische Universität Braunschweig, unofficially University of Braunschweig – Institute of Technology), commonly referred to as TU Braunschweig, is the oldest (comparable to an institute of technology in the American system) in Germany.

See Transonic and Technical University of Braunschweig

Theodore von Kármán

Theodore von Kármán (szőllőskislaki) Kármán Tódor, May 11, 1881May 6, 1963), was a Hungarian-American mathematician, aerospace engineer, and physicist who worked in aeronautics and astronautics.

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Walter G. Vincenti

Walter Guido Vincenti (April 20, 1917 – October 11, 2019) was an American engineer who worked in the field of aeronautics, designing planes that could fly at hypersonic speed.

See Transonic and Walter G. Vincenti

Wind tunnel

Wind tunnels are machines in which objects are held stationary inside a tube, and air is blown around it to study the interaction between the object and the moving air. Transonic and Wind tunnel are aerodynamics.

See Transonic and Wind tunnel

World War II

World War II or the Second World War (1 September 1939 – 2 September 1945) was a global conflict between two alliances: the Allies and the Axis powers.

See Transonic and World War II

See also

Aircraft performance

Airspeed

References

[1] https://en.wikipedia.org/wiki/Transonic

Also known as Transonic flight, Transonic flow, Transonic flows, Transonic speed, Transsonic.