ToDo Calculator’s aerospace calculator is an essential tool for aerospace enthusiasts, engineers, and professionals. Tailored for aerodynamics, flight dynamics, propulsion systems, and orbital mechanics, it offers advanced features and accurate calculations. With a user-friendly interface, it’s accessible to all levels of expertise, making it indispensable for designing aircraft, planning mission trajectories, and studying aerospace concepts.
Geometric altitude, also referred to as orthometric altitude or height above mean sea level (MSL), is a measure of an object’s elevation above a specified reference surface, typically the Earth’s mean sea level. It is measured along a straight line from a point on or above the Earth’s surface to a defined reference point, usually […]
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Equivalent Airspeed (EAS) in flight mechanics refers to the calibrated airspeed corrected for compressibility effects. It represents the airspeed at sea level that would result in the same dynamic pressure as the true airspeed at a given altitude. EAS is a valuable parameter for aircraft performance calculations and flight testing, allowing for a more accurate
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The Free-Space Path Loss is crucial in satellite communication system design for estimating signal attenuation over different distances and frequencies LFS​ is the path loss. d is the distance between the transmitter and the receiver. λ is the wavelength of the signal.
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solar radiation pressure is crucial for understanding the perturbations caused by solar radiation on satellite orbits. FSRP​ is the force exerted by solar radiation pressure. PSRP​ is the solar radiation pressure. c is the speed of light in a vacuum. A is the effective area exposed to solar radiation.
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Thermal Radiation is crucial for designing effective thermal control systems to keep satellite components within their operational temperature ranges. P is the power radiated by the black body. σ is the Stefan-Boltzmann constant (5.67×10−8 W/m2⋅K4). A is the surface area of the black body. T is the temperature of the black body in Kelvin.
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Angular Momentum is crucial in satellite dynamics and control, particularly in understanding and predicting the behavior of rotating satellites, attitude stabilization, and maneuver planning. L is the angular momentum. I is the moment of inertia. ω is the angular velocity.
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Satellite Thrust is the force exerted by the propulsion system in the direction opposite to the expelled propellant F is the thrust force produced by the propulsion system. m˙ is the mass flow rate of propellant expelled by the engine. ve​ is the effective exhaust velocity of the propellant.
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The Pull-Down Maneuver Rate refers to the rate at which an aircraft executes a specific maneuver known as a “pull-down.” During this maneuver, the pilot pulls the aircraft’s nose downward, typically to initiate a descent or recovery from an elevated altitude. The maneuver involves a rapid change in pitch attitude, resulting in a significant decrease
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The load factor, in aviation, refers to the ratio of the aerodynamic forces experienced by an aircraft to its weight. During a pull-down maneuver, the load factor decreases as the aircraft’s acceleration opposes the force of gravity. This maneuver involves pulling the aircraft’s nose downward, causing a decrease in lift and an increase in apparent
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In flight mechanics, the load factor during a pull-up maneuver refers to the factor by which the total aerodynamic force on an aircraft exceeds its weight. This increase in load factor is a consequence of the aircraft’s acceleration upwards, resulting in greater gravitational forces acting on it. The formula to calculate Load Factor as follows:
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