Effect of rotary vibration by electric power, on tillage performance and efficiency of subsoiler

Goudarzi, Behrooz; Kazemi, Navab; Asoodar, Mohammad Amin

doi:10.22092/erams.2020.342925.1352

Document Type : Original Article

Authors

¹ Department of agricultural machinery and mechanization, Faculty of agricultural engineering and rural development, Agricultural Sciences and Natural Resources University of Khuzestan

² عضو هیات علمی رسمی پایه 26

https://doi.org/10.22092/erams.2020.342925.1352

Abstract

Soil compaction causes the lack of water and oxygen in the soil; therefore, development of the roots is restricted. Therefore, vibrating subsoilers recommended for better soil crushing and for increasing the power transfer efficiency from tractor to soil. The vibration used in the subsoiler is available from the type of sweep and its main reason is the use of the tractor power axis (P.T.O) as the source of vibration creation. In this study a subsoiler, which was equipped with a rotational vibration system, was fabricated and used to provide rotational vibration, the vibration frequency control and the side of rotation, be controlled with electrical power. Factorial statistical design was performed in a completely randomized manner with speed and frequency, as independent variables. The dependent variables were: tillage depth, tillage cross section, clod mean weight diameter, tensile force and total energy. The effect of rotational vibration with confidence of 95% on tillage depth and with confidence of 99% on tillage side and mean weight of the clot was significant. Frequency (-36 Hz) had the best crushing of the soil. The effect of rotational vibration on tensile force was significant with confidence of 99% and the frequency (+36 Hz) had the lowest tensile force. The energy used for tillage was reduced with confidence of 99% and the frequency (+36 Hz) had the lowest energy consumption. By considering the amount of crushing for energy consumption, the marker was defined as the subsoiler efficiency (the amount of energy consumed for the crushing). The result of this marker is the priority of the rippering of the treatments with frequency (+36, -36, -18, +18 and 0 Hz) respectively.

Keywords

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Effect of rotary vibration by electric power, on tillage performance and efficiency of subsoiler

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Volume 22, Issue 78 - Serial Number 78September 2021Pages 19-38

Volume 22, Issue 78 - Serial Number 78
September 2021
Pages 19-38