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Materiale Plastice
Cite as: Mater. Plast.
https://doi.org/10.37358/Mat.Plast.1964

OSIM Nr. R102356
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Materiale Plastice (Mater. Plast.), Year 2007, Volume 44, Issue 4,





The Calculus of the Efficiency of theThermal Homogeneity Zone for its Constructive Optimization


Abstract:
The concept of thermal homogeneisation efficiency, hht was defined, giving an indication on the thermal homogeneity realised by a certain zone through the heat generated by internal friction. Its optimal value corresponds hht = 1. This concept was then applied to the calculus of thermal homogeneity at the flow of a power-law non-Newtonian polymer melt, through a rectangular slit, similar to the flow over the barrier flight f. The relationships obtained for temperature rise due to heat generated through internal friction allowed the calculus of hht in a given case. Kewords: thermal homogeneity, internal friction, polymer melt



Issue: 2007 Volume 44, Issue 4
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