Mathematical modelling and simulation of polymer crystallization processes
β Scribed by Alessandra Micheletti
- Publisher
- Elsevier Science
- Year
- 2001
- Tongue
- English
- Weight
- 707 KB
- Volume
- 47
- Category
- Article
- ISSN
- 0362-546X
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β¦ Synopsis
Abstract. Polymer crystallization may be modelled by a stochastic birth-andgrowth process, with temperature dependent parameters. The temperature field is itself stochastic, because of the relcase of latent heat, due to the phase change. A mathematical model which couples the evolution of crystal growth with the temperature field is here described. The final result is a stochastic system of PDE's, which has been numerically simulated. Results of numerical simulations for a test case arc reported and discussed.
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A general method for the calculation of various types of phase diagrams for aqueous electrolyte mixtures is outlined. It is shown how the thermodynamic equilibrium precipitation process can be used to satisfy the operational needs of industrial crystallizer/centrifuge units. Examples of simulation a