Estimation of the fuel consumption rate of tractor due to different aspect ratios of chisel plow blade

Document Type : Research Paper

Authors

1 Former graduate student of mechanics of agricultural machinery, Mechanic of farm machinery department, Shiraz university.

2 Associate. Prof. of. mechanics of agricultural machinery, Mechanic of farm machinery department, Shiraz university.

Abstract

The purpose of this research was to study and predict fuel consumption rate of tractor due to different aspect ratios of chisel plow blade and to determine a general relationship equation between aspect ratio ( ) and fuel consumption rate.  An ITM-399 (81 kW) tractor and a mounted-type chisel plow with 9 shanks were used. The 5 and 10 cm width chisel blades were used. The experiments were conducted in a clay-loam soil at 9% d.b moisture content, three levels of tillage depths (10, 15, and 20 cm), and three levels of travel speeds (3, 4, and 5 km.  ) in three replications. Results from F-test at 95% showed that three was no significant difference between measured values and predicted values as compared to 1:1 line plot. Normalized Root Mean Square Error (NRMSE) and Mean Bias Error (MBE) indices were used to verify the accuracy of the equation. The results validated the precision of the attained equation.

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References

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Iranian Journal of Biosystems Engineering
Volume 46, Issue 2 - Serial Number 2
August 2015
Pages 201-208

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History

  • Receive Date: 28 January 2014
  • Revise Date: 10 February 2015
  • Accept Date: 20 April 2015

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