20 décembre 2015 ~ 0 Commentaire

Melting in single screw extruders

A good model for the melting of granules in one screw extruder is extrusion systems presented in Part I. It is in keeping with observations of previous workers and retains a number of the tips introduced by Tadmor in his version; on the other hand, it assumes that the solid bed of granules cannot stand significant dissimilarities of principal stresses therefore account needs to be used explicitly of the downstream force balance on the solid bed and in the melt pool area. Detailed quasi-analytic results are offered for a Newtonian liquid partly II. These illustrate the model for an especially simple case and also have relevance for some materials. A far more elaborate numerical scheme is without question described partly III for a non-Newtonian model and email address details are presented for assessment with the predictions of various other theories and with experiments.

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