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Design Optimization of Rotary Tiller Blade using Specific Energy Requirement


Author : Subrata Kumar Mandal, Basudeb Bhattacharyya, Somenath Mukherjee and Ashok Kumar Prasad

Pages : 1257-1263, DOI:http://Dx.Doi.Org/10.14741/Ijcet/22774106/6.4.2015.31
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Abstract

Design optimization in terms of total specific energy requirements has been carried out for an ”L” shaped Rotary tiller blade through the development of a mathematical model. This model mainly includes the forward speed of the machine, the rotational speed, the depth of soil cut, the width of soil cut, the rotor radius, the angle of periphery, the angle of rotation, the specific soil resistance, the dry soil bulk density and volume of soil tilled. At the same working conditions the total specific energy requirement was predicted for the twenty five newly designed ”L” shaped Rotary tiller blades used in this study. The higher total specific energy requirement the lower volume of soil tilled and the most effective and optimum soil tillage operational cost is achieved. Based on the results optimized blades has been selected.

Keywords: Power, Specific Energy, Rotary Tiller, Blade, Tillage

Article published in International Journal of Current Engineering and Technology, Vol.6, No.4 (Aug-2016)

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