PEMODELAN NUMERIK PENGERINGAN CRUMB RUBBER

Pratoto, Adjar (2010) PEMODELAN NUMERIK PENGERINGAN CRUMB RUBBER. Jurnal Penelitian Andalas (31). pp. 8-16. ISSN 0852-003

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Abstract

The present study is concerned with numerical madeling of dryng process of crumb rubber. The modeling is caried out by applying mass and heat balances to a 'thin layer'. The analysis of deep-bed dryng is accomplished by thin-Iayers superposition. The mathematical formulation results in a set of partial differential equations. This set of equations is then solved simultaneously using the finite difference and implicit Euler methods. The results of solid temperature simulation show a good agreement with experimental data found in the litterature. A discrepancy reveals in drying kinetics simulation, especially in the first stage of drying.

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