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Aerodynamic theories
- 8. F16 pushes the ground by 28000 lbs and the ground pushes the a/c by 28000 lbs Aerodynamic Theories
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- Foundational building blocks Relate some to applied flying
- When two solid objects interact in a mechanical process, forces are transmitted, or applied, at the point of contact. Force is a quantity which is measured using the standard metric unit known as the Newton . One Newton is the amount of force required to give a 1-kg mass an acceleration of 1 m/s/s. The concept of force was originally defined by Sir Isaac Newton in his three laws of motion . Force is a vector . The SI unit for force is the Newton (N). One Newton =1 kg * m/s 2 .
- C ontact force is defined as the force exerted when two physical objects come in direct contact with each other. Other forces, such as gravitation and electromagnetic forces, can exert themselves even across the empty vacuum of space. Other forces, such as gravitation, electric and electromagnetic forces, can exert themselves even across the empty vacuum of space.
- C ontact force is defined as the force exerted when two physical objects come in direct contact with each other. Other forces, such as gravitation and electromagnetic forces, can exert themselves even across the empty vacuum of space.
- C ontact force is defined as the force exerted when two physical objects come in direct contact with each other. Other forces, such as gravitation and electromagnetic forces, can exert themselves even across the empty vacuum of space.
- Other forces, such as gravitation, electric and electromagnetic forces, can exert themselves even across the empty vacuum of space.
- GM! This is what the presentation is all about… and the definition is a flashed. As delineated aerodynamics deals with airflow over and around the aerofoil.
- A fighter is exposed to greater aerodynamic forces/ loads due hi-G maneuvers and hi-speed flight Between a body and a gaseous fluid caused by their relative motion. Also known as aerodynamic load. The force generated by the rush of air over a body Aerodynamics involves the motion of air and other gases and the forces acting on objects in motion through the air The person who practices this science - an aerodynamicist.
- The pressure and shear-stress distributions are the two hands of nature that reach out and grab the body , exerting a force on the body—the aerodynamic force .
- The pressure exerted by the air at a point on the surface Acts perpendicular to the surface at that point Length of each arrow denotes the pressure at each point on the surface Net unbalance of varying pressure distributions over the surface creates an aerodynamic force
- The point on the chord line through which the total reaction is considered to act
- The pressure exerted by the air at a point on the surface Acts perpendicular to the surface at that point Length of each arrow denotes the pressure at each point on the surface Net unbalance of varying pressure distributions over the surface creates an aerodynamic force
- Pressure: F orce per unit area exerted on a surface due to the time rate of change of momentum of the gas molecules impacting on that surface. Common units of pressure are N/m2, Dynes/cm2, Lb/ft2, Atmosphere Density of a substance (including a gas): M ass of that substance per unit volume. Common units of density: kg/m3, slug/ft3, g/cm3, lb/ft3 Temperature: Measure of the average kinetic energy of particles in the gas. Common units of temperature: degree kelvin (K), degree Celsius (°C), degree Rankine (°R), degree Fahrenheit (°F)
- Unsteady Where flow parameters vary with time Flow cannot be represented by streamlines