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In fluid dynamics, Sauter mean diameter (SMD) is an average measure of particle size. It was originally developed by German scientist Josef Sauter in the late 1920s. [1] [2] It is defined as the diameter of a sphere that has the same volume/surface area ratio as a particle of interest. Several methods have been devised to obtain a good estimate ...
A US fluid ounce is 1 / 16 of a US pint (about 1·04 UK fluid ounces or 29.6 mL); a UK fluid ounce is 1 / 20 of a UK pint (about 0·96 US fluid ounce or 28.4 mL). On a larger scale, perhaps for institutional cookery, a UK gallon is 8 UK pints (160 UK fluid ounces; about 1·2 US gallons or 4.546 litres), whereas the US gallon is ...
A value equal to 1.0 indicates all data fit perfectly within the hyperplane. λ: Gas mean free path (cm) D 50: Mass-median-diameter (MMD). The log-normal distribution mass median diameter. The MMD is considered to be the average particle diameter by mass. σ g: Geometric standard deviation. This value is determined mathematically by the equation:
Weight-based particle size equals the diameter of the sphere that has the same weight as a given particle. Useful as hypothesis in centrifugation and decantation , or when the number of particles can be estimated (to obtain average particle's weight as sample weight divided by the number of particles in the sample).
The De Brouckere mean diameter is the mean of a particle size distribution weighted by the volume (also called volume-weighted mean diameter, volume moment mean diameter. [1] or volume-weighted mean size [2]). It is the mean diameter, which is directly obtained in particle size measurements, where the measured signal is proportional to the ...
Sauter mean diameter, the equivalent diameter of a particle; Screw thread#Diameters, several measurements of a threaded screw or bolt; Semidiameter, half of the diameter of a circle or sphere; Diameter may also refer to: Diameter (protocol), a computer communication protocol for authentication, authorization, and accounting
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• Sauter Mean Diameter (SMD) or D32 Fineness of spray expressed in terms of surface area produced by the spray. Diameter of a drop with the same volume-to-surface area ratio as the total volume of all the drops to the total surface area of all the drops . • Volume Median Diameter (VMD) DV0.5 and Mass Median Diameter (MMD)