Bezier curve shaped lamellae in cross flow dryers

Keppler, István (2024) Bezier curve shaped lamellae in cross flow dryers. HUNGARIAN AGRICULTURAL ENGINEERING (43). pp. 65-73. ISSN 0864-7410

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Abstract

Recent advancements in dynamic modeling, supported by improved computational technologies, have enabled detailed investigations of particle motion within drying equipment. Under and over drying of harvested crops causes significant financial losses in agriculture. To overcome this issue, we analyzed the particle motion in cross flow dryers using analytical and numerical modeling techniques. In our earlier work we determined the theoretically optimal lamella geometry shape, using the Brachistochrone problem and finding the cycloid curve. The manufacturing problems of creating an approximate cycloidal curve for our experimental investigations showed us that it is not a simple task to solve. To overcome this issue, we investigated the possibility of using other geometries close to the original cycloidal one. This study explores the influence of Bezier curve-shaped lamellae on particle residence time. By examining various geometries and tribological parameters, the research aims to identify an optimal lamella design that minimizes under- or over drying while maintaining ease of manufacturing.

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