Lift is the force that acts perpendicular to the direction of the airflow and supports the weight of an aircraft in flight. The amount of lift depends on several factors, such as the shape, size, and angle of the wing, the speed and density of the air, and the air pressure above and below the […]
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The lift-to-drag ratio is a measure of the aerodynamic efficiency of a lifting body. It is defined as the ratio of the lift force to the drag force acting on the body. The higher the lift-to-drag ratio, the less drag the body experiences for a given amount of lift. For inviscid supersonic or hypersonic flow
The drag coefficient with normal force coefficient is a formula that relates the drag force acting on a body in a fluid flow to the normal force coefficient and the angle of attack of the body. The normal force coefficient is a dimensionless quantity that measures the normal force acting on the body per unit
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The drag coefficient with normal force coefficient is a formula that relates the drag force acting on a body in a fluid flow to the normal force coefficient and the angle of attack of the body. The normal force coefficient is a dimensionless quantity that measures the normal force acting on the body per unit
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The lift coefficient with angle of attack is a dimensionless quantity that measures the ratio of the lift force acting on a body to the dynamic pressure of the fluid flow and the reference area of the body. The lift coefficient depends on the angle of attack, which is the angle between the free-stream velocity
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The normal force coefficient for a flat plate (cn) is a dimensionless quantity that measures the ratio of the normal force acting on the plate to the dynamic pressure of the fluid flow. The normal force is the component of the aerodynamic force that is perpendicular to the plate surface, and the dynamic pressure is
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The normal force coefficient for a flat plate (cn) is a dimensionless quantity that measures the ratio of the normal force acting on the plate to the dynamic pressure of the fluid flow. The normal force is the component of the aerodynamic force that is perpendicular to the plate surface, and the dynamic pressure is
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The pressure coefficient on the lower surface (Cp,l) is a dimensionless quantity that measures the relative pressure difference between a point on the lower surface of a body and the free-stream pressure in a fluid flow field. The pressure coefficient on the lower surface can be used to calculate the aerodynamic forces and moments acting
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The maximum pressure coefficient (Cp,max) is a dimensionless quantity that measures the highest relative pressure difference between a point on the surface of a body and the free-stream pressure in a fluid flow field. The maximum pressure coefficient can be used to calculate the aerodynamic forces and moments acting on a body in various flow
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The pressure coefficient for hypersonic flow across a normal shock wave is a dimensionless quantity that measures the relative change in pressure due to the shock wave. The pressure coefficient for hypersonic flow across a normal shock wave depends on the Mach number and the ratio of specific heats of the fluid. Pressure coefficient (Cp)
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