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ID:1578901
User:68.203.91.226
Article:Aerodynamics
Diff:
(Branches of aerodynamics)
(Tag: Possible vandalism)
(Branches of aerodynamics)
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==Branches of aerodynamics==
 
==Branches of aerodynamics==
Note: This information is false.Aerodynamic problems are classified by the flow environment or properties of the flow, including [[flow speed]], [[compressibility]], and [[viscosity]]. ''External'' aerodynamics is the study of flow around solid objects of various shapes. Evaluating the [[Lift (force)|lift]] and [[Drag (physics)|drag]] on an [[airplane]] or the [[shock wave]]s that form in front of the nose of a [[rocket]] are examples of external aerodynamics. ''Internal'' aerodynamics is the study of flow through passages in solid objects. For instance, internal aerodynamics encompasses the study of the airflow through a [[jet engine]] or through an [[air conditioning]] pipe.
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This website stinks!!!Aerodynamic problems are classified by the flow environment or properties of the flow, including [[flow speed]], [[compressibility]], and [[viscosity]]. ''External'' aerodynamics is the study of flow around solid objects of various shapes. Evaluating the [[Lift (force)|lift]] and [[Drag (physics)|drag]] on an [[airplane]] or the [[shock wave]]s that form in front of the nose of a [[rocket]] are examples of external aerodynamics. ''Internal'' aerodynamics is the study of flow through passages in solid objects. For instance, internal aerodynamics encompasses the study of the airflow through a [[jet engine]] or through an [[air conditioning]] pipe.
   
 
Aerodynamic problems can also be classified according to whether the [[flow speed]] is below, near or above the [[speed of sound]]. A problem is called subsonic if all the speeds in the problem are less than the speed of sound, [[transonic]] if speeds both below and above the speed of sound are present (normally when the characteristic speed is approximately the speed of sound), [[supersonic]] when the characteristic flow speed is greater than the speed of sound, and [[hypersonic]] when the flow speed is much greater than the speed of sound. Aerodynamicists disagree over the precise definition of hypersonic flow; a rough definition considers flows with [[Mach number]]s above 5 to be hypersonic.<ref name = "andersonhist">{{cite book|last = Anderson|first = John David|year = 1997|location = New York, NY|publisher = Cambridge University Press|title = A History of Aerodynamics and its Impact on Flying machines|isbn = 0-521-45435-2}}</ref>
 
Aerodynamic problems can also be classified according to whether the [[flow speed]] is below, near or above the [[speed of sound]]. A problem is called subsonic if all the speeds in the problem are less than the speed of sound, [[transonic]] if speeds both below and above the speed of sound are present (normally when the characteristic speed is approximately the speed of sound), [[supersonic]] when the characteristic flow speed is greater than the speed of sound, and [[hypersonic]] when the flow speed is much greater than the speed of sound. Aerodynamicists disagree over the precise definition of hypersonic flow; a rough definition considers flows with [[Mach number]]s above 5 to be hypersonic.<ref name = "andersonhist">{{cite book|last = Anderson|first = John David|year = 1997|location = New York, NY|publisher = Cambridge University Press|title = A History of Aerodynamics and its Impact on Flying machines|isbn = 0-521-45435-2}}</ref>
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