What does delta-v mean?
Definitions for delta-v
delta-v
This dictionary definitions page includes all the possible meanings, example usage and translations of the word delta-v.
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Wiktionary
delta-vnoun
A vector change in velocity, especially a small change as a result of a corresponding change in some other parameter
delta-vnoun
the maximum change in the scalar speed of a rocket if the rocket were operated in a vacuum away from external forces
Wikipedia
Delta-v
Delta-v (more known as "change in velocity"), symbolized as ∆v and pronounced delta-vee, as used in spacecraft flight dynamics, is a measure of the impulse per unit of spacecraft mass that is needed to perform a maneuver such as launching from or landing on a planet or moon, or an in-space orbital maneuver. It is a scalar that has the units of speed. As used in this context, it is not the same as the physical change in velocity of the vehicle. A simple example might be the case of a conventional rocket-propelled spacecraft, which achieves thrust by burning fuel. Such a spacecraft's delta-v, then, would be the change in velocity that spacecraft can achieve by burning its entire fuel load. Delta-v is produced by reaction engines, such as rocket engines, and is proportional to the thrust per unit mass and the burn time. It is used to determine the mass of propellant required for the given maneuver through the Tsiolkovsky rocket equation. For multiple maneuvers, delta-v sums linearly. For interplanetary missions, delta-v is often plotted on a porkchop plot, which displays the required mission delta-v as a function of launch date.
Wikidata
Delta-v
In astrodynamics a Δv or delta-v is a scalar which takes units of speed. It is a measure of the amount of "effort" that is needed to change from one trajectory to another by making an orbital maneuver. Delta-v is produced by the use of propellant by reaction engines to produce a thrust that accelerates the vehicle.
Numerology
Chaldean Numerology
The numerical value of delta-v in Chaldean Numerology is: 5
Pythagorean Numerology
The numerical value of delta-v in Pythagorean Numerology is: 1
Translations for delta-v
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"delta-v." Definitions.net. STANDS4 LLC, 2024. Web. 19 Apr. 2024. <https://www.definitions.net/definition/delta-v>.
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