Sieving Equations

Sieving curves like that shown in Figure 2 are the result, in part, of particle shape. Extracting this information requires a quantitative description of the sieving curve. Models describing the sieving curves can be classified as empirical or mechanistic. The most common empirical model uses a power

Figure 2 Example of three sieving curves modelled with the equation P = 100% [1 - exp( - kt")], n = 0.8. Dashed line, k = 0.025; dotted line, k= 0.050; continuous line, k= 0.10.

function. The rate at which material passes through the sieve for short times is nearly constant and can be expressed by a power function model given as:

Solar Panel Basics

Solar Panel Basics

Global warming is a huge problem which will significantly affect every country in the world. Many people all over the world are trying to do whatever they can to help combat the effects of global warming. One of the ways that people can fight global warming is to reduce their dependence on non-renewable energy sources like oil and petroleum based products.

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