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Darcy friction factor formulae. In fluid dynamics, the Darcy friction factor formulae are equations that allow the calculation of the Darcy friction factor, a dimensionless quantity used in the Darcy–Weisbach equation, for the description of friction losses in pipe flow as well as open-channel flow. The Darcy friction factor is also known as ...
y = x 3 for values of 1 ≤ x ≤ 25.. In arithmetic and algebra, the cube of a number n is its third power, that is, the result of multiplying three instances of n together. The cube of a number or any other mathematical expression is denoted by a superscript 3, for example 2 3 = 8 or (x + 1) 3.
Specific modulus is a materials property consisting of the elastic modulus per mass density of a material. It is also known as the stiffness to weight ratio or specific stiffness. High specific modulus materials find wide application in aerospace applications where minimum structural weight is required. The dimensional analysis yields units of ...
The solid angle of a sphere measured from any point in its interior is 4 π sr, and the solid angle subtended at the center of a cube by one of its faces is one-sixth of that, or 2 π /3 sr. Solid angles can also be measured in square degrees (1 sr = (180/ π) 2 square degrees), in square arc-minutes and square arc-seconds, or in fractions of ...
Having a typical internal width of 2.44 m (96 + 1 ⁄ 8 in), [89] (a gain of ~ 10 centimetres (3 + 15 ⁄ 16 in) over the ISO-usual 2.34 m (92 + 1 ⁄ 8 in), [90] gives pallet-wide containers a usable internal floor width of 2.40 m (94 + 1 ⁄ 2 in), compared to 2.00 m (78 + 3 ⁄ 4 in) in standard containers, because the extra width enables ...
Builder's Old Measurement (BOM, bm, OM, and o.m.) is the method used in England from approximately 1650 to 1849 for calculating the cargo capacity of a ship. It is a volumetric measurement of cubic capacity. It estimated the tonnage of a ship based on length and maximum beam. It is expressed in "tons burden " (Early Modern English: burthen ...
A number of algorithms are known for the three-dimensional case, as well as for arbitrary dimensions. [7] Chan's algorithm is used for dimensions 2 and 3, and Quickhull is used for computation of the convex hull in higher dimensions. [8] For a finite set of points, the convex hull is a convex polyhedron in three dimensions, or in general a ...
The Fermi level of a solid-state body is the thermodynamic work required to add one electron to the body. It is a thermodynamic quantity usually denoted by μ or EF[1] for brevity. The Fermi level does not include the work required to remove the electron from wherever it came from. A precise understanding of the Fermi level—how it relates to ...