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By Jonathan P.K. Seville, Chuan-Yu Wu
Particle know-how and Engineering provides the fundamental wisdom and basic strategies which are wanted through engineers facing debris and powders. The publication presents a complete reference and advent to the subject, starting from unmarried particle characterization to bulk powder homes, from particle-particle interplay to particle-fluid interplay, from basic mechanics to complex computational mechanics for particle and powder structures.
The content material specializes in primary innovations, mechanistic research and computational ways. the 1st six chapters current simple info on homes of unmarried debris and powder structures and their characterisation (covering the basic features of bulk solids (powders) and development an knowing of density, floor zone, porosity, and flow), in addition to particle-fluid interactions, gas-solid and liquid-solid structures, with purposes in fluidization and pneumatic conveying. The final 4 chapters have an emphasis at the mechanics of particle and powder platforms, together with the mechanical behaviour of powder structures in the course of garage and movement, touch mechanics of debris, discrete aspect tools for modelling particle platforms, and finite aspect tools for analysing powder systems.
This thorough advisor is helpful to undergraduates in chemical and different different types of engineering, to chemical and method engineers in undefined, and early degree researchers. It additionally presents a connection with skilled researchers on mathematical and mechanistic research of particulate platforms, and on complex computational methods.
- Provides an easy advent to middle subject matters in particle expertise: characterisation of debris and powders: interplay among debris, gases and beverages; and a few helpful examples of gas-solid and liquid-solid systems
- Introduces the rules and functions of 2 necessary computational ways: discrete point modelling and finite aspect modelling
- Enables engineers to construct their wisdom and talents and to augment their mechanistic figuring out of particulate systems
Read Online or Download Particle Technology and Engineering. An Engineer's Guide to Particles and Powders: Fundamentals and Computational Approaches PDF
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Extra resources for Particle Technology and Engineering. An Engineer's Guide to Particles and Powders: Fundamentals and Computational Approaches
Example text
Compaction behaviour and release characteristics of poly(DL-lactic acid) matrix tablets. International Journal of Pharmaceutics 175, 33e46. , 1990. Determination of surface areas of mineral powders by adsorption calorimetry. Clays and Clay Minerals 38 (4), 437e441. , 2006. Predicting the tensile strength of multi-component pharmaceutical tablets. Pharmaceutical Research 23 (8), 1898e1905. , 1997. Analytical Methods in Fine Particle Technology. Micromeritics Instrument Corporation. , 2012. Characterisation of powder flowability for die filling.
16) indicates that the fraction is the integral under the distribution curve between the limits of the interval. 17) 0 Alternatively, particle size data can also be represented as the cumulative distribution, as shown in Fig. 3. 14 Cumulative number distribution. 19) shows that the frequency function at any point q0(x) can be determined from the slope of the cumulative distribution function Q0(x). 1, a large amount of information is needed to define a particle size distribution completely. In practice, it is useful to be able to approximate the distribution by some form of mathematical function or by a few (preferably two) parameters that can represent the distribution to some extent, especially for classification and comparison purposes.
As mentioned earlier, it is possible to construct relationships between the different equivalent diameters, which depend on shape. 10) c where c is the hydrodynamic resistance of the particle (c¼3pd for a sphere). For an irregularly shaped particle, dSt is always greater than dV. 11) 45 46 CHAPTER 3 Particle Characterization For particles in a liquid, Cs ¼ Ca ¼ 1, so that Eq. 12) For particles in a gas, Cs z Ca, rp [ r, and r0 [ r, so that Eq. , what the data are intended for. For example, if the separation efficiency of a cyclone is of interest, it is appropriate to use the Stokes diameter, as it best describes the behavior of particles suspended in a fluid.