Analysis of Dynamic Phenomenon in Rotary Tilling (Part 2)

—Influence of Rotary Blade Shape on Soil Throw and Required Torque—

Abstract

The previous paper constructed a rotary tillage model developed through the discrete element method (DEM) capable of predicting the phenomenon of soil throw and the power required in rotary tilling. In this paper, this model was used to estimate soil throw and axle torque in rotary tilling with two different shapes of rotary blades. A comparison of the experimental measurements and those predicted by the model revealed that this model was quite accurate in predicting the distribution velocity of soil particles. In addition, the model proved capable of predicting the rotary axle torque within a range of 81.9% to 113%.