ISSN print edition: 0366-6352
ISSN electronic edition: 1336-9075
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Solution of a theoretical model of convective drying of latex foils

I. Langfelder and I. Rais

Department of Chemical Engineering, Slovak Technical University, 880 37 Bratislava

 

Abstract:  A system of differential equations describing convective drying of very thin layers (foils) and films of the coagulated latex consisting of solid latex particles and water was derived and numerically solved. The theoretical results were compared with some experimental data obtained by investigating convective drying of a chloroprene latex foil formed by freeze coagulation of chloroprene latex. In contrast to preceding models of drying of this material, the presented solution is independent of the time constant determined experimentally. The developed method of numerical solution which was solved by means of a computer after algorithmization and transcription into language Fortran IV enables us to solve a system consisting of two partial differential equations of the parabolic type which form a mixed problem with mobile boundary and one ordinary differential equation. The agreement of the measured and calculated data is very good.

Full paper in Portable Document Format: 355a577.pdf

 

Chemical Papers 35 (5) 577–590 (1981)

Thursday, December 05, 2024

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