Definitions for virial
viri·al

WiktionaryRate this definition:0.0 / 0 votes

1. virialnoun

   Half of the product of the stress of attraction or repulsion with the distance between two particles.

WikipediaRate this definition:0.0 / 0 votes

1. virial

   In mechanics, the virial theorem provides a general equation that relates the average over time of the total kinetic energy of a stable system of discrete particles, bound by potential forces (forces characterized exclusively by potential difference), with that of the total potential energy of the system. Mathematically, the theorem states where T is the total kinetic energy of the N particles, Fk represents the force on the kth particle, which is located at position rk, and angle brackets represent the average over time of the enclosed quantity. The word virial for the right-hand side of the equation derives from vis, the Latin word for "force" or "energy", and was given its technical definition by Rudolf Clausius in 1870.The significance of the virial theorem is that it allows the average total kinetic energy to be calculated even for very complicated systems that defy an exact solution, such as those considered in statistical mechanics; this average total kinetic energy is related to the temperature of the system by the equipartition theorem. However, the virial theorem does not depend on the notion of temperature and holds even for systems that are not in thermal equilibrium. The virial theorem has been generalized in various ways, most notably to a tensor form. If the force between any two particles of the system results from a potential energy V(r) = αrn that is proportional to some power n of the interparticle distance r, the virial theorem takes the simple form Thus, twice the average total kinetic energy ⟨T⟩ equals n times the average total potential energy ⟨VTOT⟩. Whereas V(r) represents the potential energy between two particles of distance r, VTOT represents the total potential energy of the system, i.e., the sum of the potential energy V(r) over all pairs of particles in the system. A common example of such a system is a star held together by its own gravity, where n equals −1.

Webster DictionaryRate this definition:0.0 / 0 votes

1. Virialnoun

   a certain function relating to a system of forces and their points of application, -- first used by Clausius in the investigation of problems in molecular physics

2. Etymology: [L. vis, viris, force.]

How to pronounce virial?

1. Alex

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   David

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   Mark

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   Daniel

   British

   Libby

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   Australian

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How to say virial in sign language?

Numerology

1. Chaldean Numerology

   The numerical value of virial in Chaldean Numerology is: 5

2. Pythagorean Numerology

   The numerical value of virial in Pythagorean Numerology is: 8

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References

1. ^ Wiktionary
   https://en.wiktionary.org/wiki/Virial
2. ^ Wikipedia
   https://en.wikipedia.org/wiki/Virial
3. ^ Webster Dictionary
   https://www.merriam-webster.com/dictionary/virial