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Fundamentals of Particle Technology - support pages
| Chapter 12 | Solid/solid mixing Links - links Answers to problems: Problem 2 Download the Excel spreadsheet here. The standard deviation of the randomly mixed powder is in a red coloured cell. The spreadsheet allows you to vary the proportions, sizes, etc. to see the effect on mixing. Try changing component C to 5000 microns and see the graph change. See Figure 12.5 for more information on mixing time and how to use sigmaR to estimate this. Problem 3 Convert these distributions to n3(x), then calculate the weight weighted mean particle mass, see equation (2.32), use these values and the data in the question in the above spreadsheet to determine the random between sample standard deviation. See Figure 12.3 for information on how to interpret the use of standard deviation and mixing efficiency. FAQ |
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