AERODYNAMIC PROPERTIES OF SOME OILSEEDS CROPS UNDER DIFFERENT MOISTURE CONDITIONS

Document Type : Original Article

Authors

Agric. Eng. Dept., Fac. Agric., Suez Canal Univ., Ismailia, Egypt

Abstract

This study was carried out to evaluate some aerodynamic properties of some oilseeds (peanut kernels, soybean and cotton seeds) under different moisture conditions. Peanut kernels were conditioned to moisture contents of 6.1, 9.3, 16.0, 28.4 and 34.9% (w.b.), soybean seeds to 7.8, 14.4, 21.0, 26.0 and 31.8% (w.b.) and cotton seeds to 6.4, 8.6, 10.8 and 12.5% (w.b.). Aerodynamic properties such as terminal velocity, Reynold's number and drag coefficient were determined for all tested seeds as a function of moisture content. The results revealed that the measured aerodynamic properties are significantly affected by moisture contents for the three tested oil crops. When the moisture content increased the terminal velocity and Reynold's number increased for all investigated seeds. However, the drag coefficient did not show a consistent trend with moisture content increment for peanut kernels and soybean seeds. While, it decreased for cotton seeds with moisture content increment.

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