Dimensionless quantities, or quantities of dimension one, are quantities implicitly defined in a manner that prevents their aggregation into units of measurement...
22 KB (2,320 words) - 05:27, 30 July 2024
milliliter (mL/mL). The number one is recognized as a dimensionless base quantity. Radians serve as dimensionless units for angular measurements, derived from...
14 KB (2,386 words) - 21:29, 25 June 2024
Dimensional analysis (redirect from Quantity equation)
which is itself dimensionless. Therefore, multiplying by that conversion factor does not change the dimensions of a physical quantity. There are also...
96 KB (11,890 words) - 17:19, 9 July 2024
well-known dimensionless quantities illustrating their variety of forms and applications. The tables also include pure numbers, dimensionless ratios, or...
42 KB (780 words) - 10:11, 17 June 2024
systems of units). The angular quantities, plane angle and solid angle, are defined as derived dimensionless quantities in the SI. For some relations,...
18 KB (1,612 words) - 23:18, 7 August 2024
Such a quantity can be regarded as a derived quantity in the form of the ratio of two quantities of the same dimension. The named dimensionless units "radian"...
10 KB (1,105 words) - 22:46, 9 July 2024
Parts-per notation (category Dimensionless numbers)
values of miscellaneous dimensionless quantities, e.g. mole fraction or mass fraction. Since these fractions are quantity-per-quantity measures, they are pure...
27 KB (2,393 words) - 01:18, 18 May 2024
Volume fraction (category Dimensionless quantities of chemistry)
vol%) is one way of expressing the composition of a mixture with a dimensionless quantity; mass fraction (percentage by weight, wt%) and mole fraction (percentage...
4 KB (640 words) - 17:33, 14 December 2023
common symbols for the quantities, and the given dimensionless number is the ratio of the left column quantity over top row quantity; e.g. Re = inertial...
26 KB (811 words) - 19:28, 28 December 2023
Reynolds number (category Dimensionless numbers)
In fluid dynamics, the Reynolds number (Re) is a dimensionless quantity that helps predict fluid flow patterns in different situations by measuring the...
50 KB (6,365 words) - 06:37, 15 August 2024
Mach number (category Dimensionless numbers of fluid mechanics)
number (M or Ma), often only Mach, (/mɑːk/; German: [max]) is a dimensionless quantity in fluid dynamics representing the ratio of flow velocity past a...
23 KB (2,756 words) - 12:59, 6 July 2024
in a one-mole sample equals the Avogadro number (symbol N0), a dimensionless quantity. Historically, N0 approximates the number of nucleons (protons or...
26 KB (3,294 words) - 18:01, 3 August 2024
Mole fraction (category Dimensionless quantities of chemistry)
recommended.) It is a dimensionless quantity with dimension of N / N {\displaystyle {\mathsf {N}}/{\mathsf {N}}} and dimensionless unit of moles per mole...
10 KB (1,839 words) - 00:48, 21 July 2024
across different systems of units, it is sometimes replaced by the dimensionless quantity "relative density" or "specific gravity", i.e. the ratio of the...
35 KB (3,297 words) - 17:44, 8 August 2024
The deviation from the ideal gas behavior can be described by a dimensionless quantity, the compressibility factor, Z. The ideal gas model has been explored...
24 KB (3,856 words) - 18:53, 22 May 2024
Molar mass (section Related quantities)
is dimensionally correct: standard relative atomic masses are dimensionless quantities (i.e., pure numbers) whereas molar masses have units (in this case...
19 KB (2,791 words) - 11:13, 27 July 2024
Turn (angle) (redirect from Rotation (quantity))
"number of revolutions" or "number of cycles") is formalized as a dimensionless quantity called rotation, defined as the ratio of a given angle and a full...
49 KB (3,759 words) - 21:16, 15 August 2024
G-factor (physics) (redirect from Dimensionless magnetic moment)
A g-factor (also called g value) is a dimensionless quantity that characterizes the magnetic moment and angular momentum of an atom, a particle or the...
12 KB (1,533 words) - 03:17, 12 August 2024
dimensional quantities are normalized against like-dimensioned quantities (called nondimensionalization), resulting in only dimensionless quantities remaining...
21 KB (2,600 words) - 18:36, 3 June 2024
Frequency (section Related quantities)
also be expressed as radians per sampling interval, which is a dimensionless quantity. Angular frequency is frequency multiplied by 2π. Spatial frequency...
21 KB (2,290 words) - 11:44, 15 July 2024
Mass fraction (chemistry) (category Dimensionless quantities of chemistry)
(mass/volume). This is incorrect because the unit "%" can only be used for dimensionless quantities. Instead, the concentration should simply be given in units of...
5 KB (835 words) - 15:32, 30 May 2024
the nation as a whole. The debt-to-GDP ratio is technically not a dimensionless quantity, but a unit of time, being equal to the amount of years over which...
15 KB (1,746 words) - 01:07, 26 June 2024
Base unit of measurement (redirect from Fundamental quantity)
as a quantity with dimensions or simply to define it as unity or a fixed dimensionless number, and reduce the number of explicit base quantities by one...
10 KB (1,210 words) - 10:56, 18 July 2024
the transverse or lateral direction. It is a dimensionless quantity, as it is a ratio between two quantities of the same dimension. Poisson's Ratio defines...
2 KB (203 words) - 10:55, 25 February 2020
the power number, which is the dimensionless description of the stirrer. Note that the two dimensionless quantities are not unique and depend on which...
33 KB (5,488 words) - 10:49, 30 June 2024
quantity and its reference value, though a logarithm may be considered to be a dimensionless quantity. The reference values for each type of quantity...
9 KB (1,089 words) - 09:04, 15 April 2024
The term humidex was coined in 1965. The humidex is a nominally dimensionless quantity (though generally recognized by the public as equivalent to the...
6 KB (614 words) - 10:02, 20 July 2024
result in a dimensionless quantity, also known as ratio or simply as a rate (such as tax rates) or counts (such as literacy rate). Dimensionless rates can...
8 KB (1,235 words) - 15:32, 12 November 2023
the system, and it is usually required by the construction of a dimensionless quantity, in the general framework of dimensional analysis and in particular...
3 KB (489 words) - 02:13, 31 August 2023
Scalar (redirect from Scalar quantity)
zero dot product, also known as scalar product dimensionless quantity, also known as scalar quantity Inner product space Scalar field Scale (music) Scaler...
1,023 bytes (171 words) - 17:22, 9 July 2024