mean square velocity

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• root-mean-square velocity — vidutinis kvadratinis greitis statusas T sritis Standartizacija ir metrologija apibrėžtis Dydis, skaitine verte lygus kvadratinei šakniai iš molekulių arba kitokių dalelių greičių kvadratų vidurkio. atitikmenys: angl. root mean square velocity… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

• root-mean-square velocity — vidutinis kvadratinis greitis statusas T sritis fizika atitikmenys: angl. root mean square velocity vok. mittlere quadratische Geschwindigkeit, f rus. средняя квадратичная скорость, f pranc. vitesse moyenne quadratique, f …   Fizikos terminų žodynas

• root mean square velocity — noun the root mean square of the velocities of all the molecules in a volume of gas; directly proportional to its temperature in the case of an ideal gas …   Wiktionary

• Root mean square — In mathematics, the root mean square (abbreviated RMS or rms), also known as the quadratic mean, is a statistical measure of the magnitude of a varying quantity. It is especially useful when variates are positive and negative, e.g., sinusoids.It… …   Wikipedia

• Thermal velocity — The thermal velocity or thermal speed is a typical velocity of the thermal motion of particles which make up a gas, liquid, etc. Thus, indirectly, thermal velocity is a measure of temperature. Technically speaking it is a measure of the width of… …   Wikipedia

• Mössbauer effect — Physics. the phenomenon in which an atom in a crystal undergoes no recoil when emitting a gamma ray, giving all the emitted energy to the gamma ray, resulting in a sharply defined wavelength. [1955 60; named after R. MÖSSBAUER] * * * ▪ physics… …   Universalium

• Darcy–Weisbach equation — In fluid dynamics, the Darcy–Weisbach equation is a phenomenological equation, which relates the head loss or pressure loss due to friction along a given length of pipe to the average velocity of the fluid flow. The equation is named after Henry… …   Wikipedia

• Darcy-Weisbach equation — The Darcy Weisbach equation is an important and widely used phenomenological equation in hydraulics. It relates the head loss or pressure loss due to friction along a given length of pipe to the average velocity of the fluid flow. Head loss form… …   Wikipedia

• Kinetic theory — [ temperature of an ideal monatomic gas is a measure related to the average kinetic energy of its atoms as they move. In this animation, the size of helium atoms relative to their spacing is shown to scale under 1950 atmospheres of pressure.… …   Wikipedia

• Collision theory — Reaction rate tends to increase with concentration phenomenon explained by collision theory Collision theory is a theory proposed by Max Trautz[1] and William Lewis in 1916 and 1918, that qualitatively explains how chemical reactions occur and… …   Wikipedia

• kinetic temperature — noun a measure of the energy of motion possessed by a substance; especially a function of the root mean square velocity of the molecules of a gas …   Wiktionary