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However, as already noted, specific power rather thanspecificimpulseis the primary constraint.
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Indeed, under the same conditions which led to aspecificimpulsethe first time, one finds that the second time yields significantly different results.
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All three staging methods require additional material reducing the overallspecificimpulse.
From theCambridge English Corpus
In this way, a large thrust at a highspecificimpulsewould be imparted onto the pusher plate, and hence the spacecraft.
From theCambridge English Corpus
In aiming at the highest possiblespecificimpulse, we thus propose as a fourth staging principle, a method based on staged magnetic reflectors produced by superconducting magnetic field coils.
From theCambridge English Corpus
A propellant with a higherspecificimpulseis said to be more efficient because more thrust is produced while consuming a given amount of propellant.
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This example is from Wikipedia and may be reused under a CC BY-SA license.This does not always apply, not even in all cases where efficiency can be assigned a numerical value, e.g. not forspecificimpulse.
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This example is from Wikipedia and may be reused under a CC BY-SA license.The propellant mix that would produce the greatestspecificimpulsefor a rocket motor is sometimes given as oxygen difluoride and pentaborane.
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This example is from Wikipedia and may be reused under a CC BY-SA license.These values are used in equations similar to the rocket equation and are analogous tospecificimpulseor exhaust velocity.
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This example is from Wikipedia and may be reused under a CC BY-SA license.The consequent heating of the shield will cause it to radiate visible light, which could then be collimated to increase the rocket'sspecificimpulse.
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This example is from Wikipedia and may be reused under a CC BY-SA license.This fuel combination yields a highspecificimpulse.
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This example is from Wikipedia and may be reused under a CC BY-SA license.When calculatingspecificimpulse, only propellant that is carried with the vehicle before use is counted.
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This example is from Wikipedia and may be reused under a CC BY-SA license.If it is given in terms of weight (such as in kiloponds or newtons), thenspecificimpulsehas units of time (seconds).
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This example is from Wikipedia and may be reused under a CC BY-SA license.Nonetheless, the highspecificimpulseof electrical thrusters may significantly reduce the cost of the flight.
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This example is from Wikipedia and may be reused under a CC BY-SA license.The ammonium perchlorate makes up the oxygen deficit introduced by using nitrocellulose, improving the overallspecificimpulse.
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This example is from Wikipedia and may be reused under a CC BY-SA license.Nitrous oxide offers the advantages of being self-pressurizing and of being relatively non-toxic, with aspecificimpulseintermediate between hydrogen peroxide and hydrazine.
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This example is from Wikipedia and may be reused under a CC BY-SA license.Pulse jet engines are a lightweight form of jet propulsion, but usually have a poor compression ratio, and hence give a lowspecificimpulse.
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This example is from Wikipedia and may be reused under a CC BY-SA license.The impulse delivered by the motor to the rocket vehicle per weight of fuel consumed is often reported as the rocket propellant's "specificimpulse".
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This example is from Wikipedia and may be reused under a CC BY-SA license.Its high energy leads to highspecificimpulsepropellants.
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This example is from Wikipedia and may be reused under a CC BY-SA license.It also reduces the molecular weight of the exhaust that can actually increasespecificimpulsedespite the incomplete combustion.
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This example is from Wikipedia and may be reused under a CC BY-SA license.These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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