Study of the Effect of Kinematic Index and Reel Height on the Combine Header Losses
2021
Jalali, Arman | Abdollahpour, Shamsollah
Abstract There are several factors affecting the combine harvester losses, the most important of which is the operation of the combine cutting bar, which affects the front and rear losses of the harvester. The performance of a cutting bar is affected by the forward speed, reel speed, cutting height, product moisture, type of product, etc. In this study the effect of kinematic index and reel height was stutied on the combine header losses. The treatments was tested in the form of factorial experiment with a completely randomized design. The results showed that the effect of height and kinematic index on the total loss of the head at the level of 1 percent is significant. The highest loss was related to the highest kinematic index of 3.83 and about 8.3%. Regarding the total loss of the cluster, the main effects of reel height and kinematic index on the losses of the cluster and their interaction were significant at the level of 1 percent. Regard to grain loss, the results showed that the main effects were significant at the level of 1% probability and the interactions were significant only on the left side of the head and the total grain loss.
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