Specific impulse (usually abbreviated Isp) is a measure of how efficiently a reaction mass engine, such as a rocket using propellant or a jet engine using...
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System-specific Impulse, Issp is a measure that describes performance of jet propulsion systems. A reference number is introduced, which defines the total...
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The Variable Specific Impulse Magnetoplasma Rocket (VASIMR) is an electrothermal thruster under development for possible use in spacecraft propulsion....
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impulse response, or impulse response function (IRF), of a dynamic system is its output when presented with a brief input signal, called an impulse (δ(t))...
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respect to time Impulse noise (disambiguation) Specific impulse, the change in momentum per unit mass of propellant of a propulsion system Impulse function,...
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both at once (see spacecraft propulsion for more speculative systems). Specific impulse (Isp) measures how much thrust can be derived from a given mass...
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General Atomics (redirect from General Atomics Aeronautical Systems Inc.)
2005. Retrieved September 21, 2016. Ross, F.W. (1960). Propulsive System Specific Impulse. General Atomics GAMD-1293 8 Feb. 1960. San Diego, California,...
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In classical mechanics, impulse (symbolized by J or Imp) is the change in momentum of an object. If the initial momentum of an object is p1, and a subsequent...
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Infinite impulse response (IIR) is a property applying to many linear time-invariant systems that are distinguished by having an impulse response h (...
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with propellant. It uses Saiph bipropellant thrusters which have a specific impulse (Isp) of 290 s. It can impart a delta-v of from 500 m/s with 300 kg...
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have reasonably high density and their combustion products have high specific impulse (Isp). This allows the volume of the propellant tanks to be relatively...
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Beam-powered propulsion (section Direct impulse)
propulsion system's specific impulse and thrust/weight ratio relative to conventional rocket propulsion. For example, hydrogen can provide a specific impulse of...
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Electricity (redirect from Electrical impulse)
India or China. Environmental concerns with electricity generation, in specific the contribution of fossil fuel burning to climate change, have led to...
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domain, just as the impulse response characterizes systems in the time domain. In linear systems (or as an approximation to a real system neglecting second...
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in meters^2(m^2). Specific impulse is how efficiently the fuel of the MET is used to create thrust. The formula for specific impulse is given as: I s p...
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Cold gas thruster (section Specific Impulse)
a high specific impulse, and a high specific impulse per unit volume of propellant should be considered. Overview of the specific impulses of propellants...
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more common). Typically, this system works as follows: During the initial high-impulse orbit-raising maneuvers, the system operates in a bipropellant fashion...
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{\displaystyle I_{\text{sp}}} is the specific impulse h PR {\displaystyle h_{\text{PR}}} is fuel heat of reaction Specific impulse is often used as the unit of...
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Jet propulsion (section Specific impulse)
gravity (g0) converts specific impulse from the mass basis to the weight basis. A propulsion system with a higher specific impulse uses the mass of the...
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Gridded ion thruster (section Specific impulse)
electrostatic ion thruster called HiPEP which will have higher efficiency, specific impulse, and a longer lifetime than NSTAR.[citation needed] In 2006, Aerojet...
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the equilibrium of the system. The impulse response and step response are transient responses to a specific input (an impulse and a step, respectively)...
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In signal processing, a finite impulse response (FIR) filter is a filter whose impulse response (or response to any finite length input) is of finite...
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propellant temperatures and therefore higher specific impulses, approaching 1200 seconds. Even the lower specific impulse represents a significant increase over...
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interplanetary missions due to their high specific impulse. Many space agencies developed plasma propulsion systems, including the European Space Agency,...
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rockets) are classified by total impulse into a set of letter-designated ranges, from 1⁄8A up to O. The total impulse is the integral of the thrust over...
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thrust and impulse density, allowing for smaller, lighter tanks. In the second, it burns only hydrogen, allowing for greater specific impulse. The RD-701...
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or one propellants, respectively. Tripropellant systems can be designed to have high specific impulse and have been investigated for single-stage-to-orbit...
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Space Shuttle main engine. With refinements a theoretical maximum specific impulse of 100,000 s (980 km/s) (1 MN·s/kg) might be possible. Thrusts were...
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Variable cycle engine (section Specific thrust)
airspeed. In effect the engine can operate at any point along the specific impulse (Isp) curve - high Isp at low speed or low Isp at high speed. It is...
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Starship system. SpaceX [@SpaceX] (3 August 2024). "Performance stats of previous versions: Raptor 1 (sea level variant) Thrust: 185tf Specific impulse: 350s...
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