Thrust chamber pressure refers to the internal pressure within the combustion chamber of a rocket engine during operation. It is the pressure generated by the combustion of propellant inside the engine. This pressure is crucial for the propulsion system as it drives the expulsion of exhaust gases through the engine nozzle, producing the thrust necessary […]
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The Strouhal number is a non-dimensional parameter that relates the frequency of vortex shedding to the velocity of the flow and a characteristic dimension of the object St is the Strouhal number, f is the frequency of vortex shedding, D is a characteristic dimension (such as diameter or chord length), V is the velocity
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The Radius of Curvature (ρ) in the bending of beams is a measure of the curvature of a beam’s neutral axis ρ is the radius of curvature. κ is the curvature of the beam.
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The Plastic Section Modulus (Z) is a key parameter used in plastic analysis of structures, particularly in the design of structural components that may undergo plastic deformation Z is the Plastic Section Modulus. M yield is the yield moment or the moment at which plastic deformation begins. σ yield is the yield stress of
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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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The coordination force in a turn, represents the force needed to balance the centrifugal force and maintain coordinated flight. The coordination force is necessary to balance the centrifugal force in the turn, ensuring the aircraft maintains coordinated flight. The formula to Calculate Coordination office as follows: V is the true airspeed of the aircraft (m/s) g
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Specific strength is a material property that indicates how strong a material is relative to its weight or density. R is the specific strength. σ ultimate is the ultimate tensile strength of the material. ρ is the density of the material.
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The bank angle (ϕ) is the angle between the longitudinal axis of an aircraft and the horizontal plane. It signifies the degree of roll or tilt of the aircraft. The bank angle (ϕ) in terms of the rate of roll (p) represents the angular displacement of an aircraft’s longitudinal axis from the horizontal plane due
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Deformation refers to the change in length or displacement that a bar experiences when subjected to an axial load δ is the deformation or axial displacement. P is the axial load or force applied to the bar. L is the original length of the bar. A is the cross-sectional area of the bar. E
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The thermal stress in a bar due to a temperature change represents the internal stress generated in the material when it is subjected to a temperature difference σ thermal is the thermal stress, α is the coefficient of thermal expansion, E is Young’s Modulus, ΔT is the temperature change.
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