- dimensionless number
- безразмерное число, физ. критерий подобия
Большой англо-русский и русско-английский словарь. 2001.
dimensionless number
Смотреть что такое "dimensionless number" в других словарях:
dimensionless number — nedimensinis skaičius statusas T sritis fizika atitikmenys: angl. dimensionless number; non dimensional number; pure number vok. dimensionslose Zahl, f; reine Zahl, f rus. безразмерное число, n pranc. nombre adimensionnel, m … Fizikos terminų žodynas
Dimensionless quantity — In dimensional analysis, a dimensionless quantity or quantity of dimension one is a quantity without an associated physical dimension. It is thus a pure number, and as such always has a dimension of 1.[1] Dimensionless quantities are widely used… … Wikipedia
Dimensionless physical constant — In physics, a dimensionless physical constant (sometimes fundamental physical constant) is a universal physical constant that is dimensionless having no unit attached, so its numerical value is the same under all possible systems of units. The… … Wikipedia
Dimensionless Specific Energy Diagrams for Open Channel Flow — Contents 1 Energy Equations 2 Example 3 Choke Conditions 4 Dimensionless Diagram 5 References … Wikipedia
dimensionless quantity — noun A pure number which is unitless … Wiktionary
number — 1. A symbol expressive of a certain value or of a specific quantity determined by count. 2. The place of any unit in a series. atomic n. (Z) the n. of protons in the nucleus of an atom; it indicates the position of the … Medical dictionary
Reynolds number — In fluid mechanics and heat transfer, the Reynolds number mathrm{Re} is a dimensionless number that gives a measure of the ratio of inertial forces ({old mathrm V} ho) to viscous forces (mu / L) and, consequently, it quantifies the relative… … Wikipedia
Nusselt number — In heat transfer at a boundary (surface) within a fluid, the Nusselt number is the ratio of convective to conductive heat transfer across (normal to) the boundary. Named after Wilhelm Nusselt, it is a dimensionless number. The conductive… … Wikipedia
Froude number — The Froude number is a dimensionless number comparing inertial and gravitational forces. It may be used to quantify the resistance of an object moving through water, and compare objects of different sizes. Named after William Froude, the Froude… … Wikipedia
Womersley number — A Womersley number is a dimensionless number in biofluid mechanics. It is a dimensionless expression of the of pulsatile flow frequency in relation to viscous effects. It is named after John R. Womersley (1907 1958).The Womersley number, usually… … Wikipedia
Roshko number — In fluid mechanics, the Roshko number is a dimensionless number describing oscillating flow mechanisms. It is given as:: mathit{Ro} = {St} {Re} = {f L^{2}over u} where Ro is the dimensionless Roshko number, St is the dimensionless Strouhal number … Wikipedia
