Aircraft design calculators serve as specialized instruments within aerospace engineering and aircraft design. They enable professionals to conduct diverse calculations and simulations pertinent to aircraft design and performance. These tools are indispensable for aerospace engineers, designers, and researchers seeking to analyze and enhance various facets of aircraft design.
In aircraft design, the lift formula is a fundamental equation used to calculate the lift force generated by an airfoil (such as a wing) as it moves through the air. The lift force is what enables an aircraft to overcome gravity and achieve flight. The lift formula is typically expressed as: Where: L is the […]
The Flow Mach Number (M) is a dimensionless parameter used to characterize the speed of an object moving through a fluid, particularly in the context of compressible flow like in aerodynamics M is the Flow Mach Number. V is the velocity of the object. a is the local speed of sound in the fluid.
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The Elliptical Lift Distribution Lift Coefficient (CL elliptical​​) is a parameter used to describe the lift distribution across the span of an aircraft wing when it follows an elliptical lift distribution CL elliptical​​ is the elliptical lift distribution lift coefficient. b is the wingspan of the aircraft. S is the wing reference area.
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The shear center in an open section of an aircraft structure is a point through which the applied shear force produces only shear deformation without causing any twisting or bending e is the distance to the shear center, Ixz​ is the moment of inertia about the neutral axis in the xz-plane, A is the
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Bending stress is a measure of the internal forces that result from the bending of a structural element like a beam σ is the bending stress, M is the bending moment, y is the perpendicular distance from the neutral axis to the point of interest (also known as the distance to the outer fiber), I
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The torsion for a circular shaft expresses the relationship between the applied torque and the resulting shear stress in the material. Ï„ is the shear stress in the circular shaft, T is the applied torque (torque is a twisting force), r is the radial distance from the center of the shaft to the point
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The shear flow (q) in a beam is a measure of the distribution of shear stress along the cross-section of the beam. q is the shear flow, V is the shear force applied to the section, Q is the first moment of area of the region under consideration, I is the moment of inertia
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The helical angle (Φ) in the context of propellers refers to the angle between the resultant relative velocity and the plane of rotation of the propeller Φ is the helical angle, V is the forward velocity of the aircraft, n is the rotational speed of the propeller, D is the diameter of the propeller.
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In aerodynamics and fluid mechanics, a rearward-facing step is a geometric discontinuity in a flow. The recirculation length (L) refers to the length of the recirculation zone that forms downstream of the step. L is the recirculation length. h is the height of the rearward-facing step. R ed​ is the Reynolds number based on
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The Engine Thrust Deduction Factor represents the fraction of the engine thrust that is not available for accelerating the aircraft, as it is offset by the aerodynamic drag. E is the Engine Thrust Deduction Factor. T is the thrust produced by the engines. D is the total aerodynamic drag acting on the aircraft. W
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