The Aspect Ratio is a dimensionless parameter commonly used in fluid mechanics to describe the geometric shape of an object or a flow domain, particularly in the context of channels, ducts, or pipes. It quantifies the ratio of the width of the flow channel to its height or diameter. The Aspect Ratio is defined as […]
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The Peclet Number (Pe) is a dimensionless parameter used in fluid mechanics to characterize the ratio of convective to diffusive mass transfer in a fluid flow. It helps in understanding the dominance of convective or diffusive transport processes. The Peclet Number is defined as the ratio of convective mass transfer rate to diffusive mass transfer
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The Vortex Lift Coefficient (CLvortex) is a parameter used in the analysis of aircraft aerodynamics, particularly in the context of vortex lift generated by leading-edge vortices CLvortex is the vortex lift coefficient. Γ is the circulation around the wing (strength of the vortex). ρ is the air density. V is the velocity of the
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The Prandtl Number (Pr) is a dimensionless parameter used in fluid mechanics to characterize the ratio of momentum diffusivity to thermal diffusivity in a fluid. It provides information about the relative rates of momentum and heat transfer within the fluid. The Prandtl Number is defined as the ratio of momentum diffusivity (kinematic viscosity) to thermal
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Vertical wind shear refers to the change in wind speed and direction along the vertical axis within the jet stream. ΔV is the change in vertical wind speed. Δz is the vertical distance over which the change occurs. [CP_CALCULATED_FIELDS id=”3353″
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Horizontal Wind Shear refers to the change in wind speed and direction along the horizontal within the jet stream ΔV is the change in horizontal wind speed. Δx is the horizontal distance over which the change occurs.
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The Flap Effectiveness Factor (Kf) is a parameter used in aircraft design to quantify the effectiveness of flaps in increasing the lift of an aircraft. Kf is the Flap Effectiveness Factor. ΔCL is the change in lift coefficient due to the deployment of flaps. δf is the deflection angle of the flaps.
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The damping ratio (ζ) in control system response is a dimensionless parameter that characterizes the rate of decay of oscillations in a system. Real part of complex pole is the part of the pole that isn’tassociated with the imaginary unit Magnitude of Complex Poles is the distance of the pole from the origin in
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The velocity of an aircraft refers to the rate at which the aircraft moves through the air in a particular direction. It’s a key parameter, influencing aerodynamic forces and flight performance. Controlled by factors such as engine thrust and atmospheric conditions, aircraft velocity plays a crucial role in determining speed, climb rate, and navigational aspects
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The pitching moment in aerodynamics refers to the rotational force or torque around the lateral axis of an aircraft. This moment is generated by variations in lift distribution between the aircraft’s nose and tail, often influenced by changes in angle of attack or elevator deflection. The pitching moment affects the aircraft’s rotation around its lateral
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