Experimental and Numerical Investigation of Deviation Blade Effect on Sedimentation Chamber Performance in Chickpea Harvesting Machine

Document Type : Research Paper

Authors

1 Msc Student, Department of Biosystems Engineering, Agricultural Faculty, Urmia University, Urmia, Iran.

2 Assistant Professor, Department of Biosystems Engineering, Agricultural Faculty, Urmia University, Urmia, Iran

3 PhD Student, Department of Biosystems Engineering, Agricultural Faculty, Urmia University, Urmia, Iran

4 Associate Professor, Department of Biosystems Engineering, Agricultural Faculty, Urmia University, Urmia, Iran

Abstract

The sedimentation chambers are used in various agricultural systems. In this study, an innovative design of the chickpea sedimentation chamber including the chamber with the flow path deviation blade are considered and the effect of this blade on the sedimentation efficiency, required flow, distribution of air flow and chamber erosion were investigated experimentally and numerically. The computational fluids dynamics for numerical simulations was used. A laboratory setup equipped with a hot wire anemometer and differential pressure meter was used to obtain the velocity and pressure data and model validation. The results showed that the use of the flow path diversion blade has an 11.4% increase in sedimentation efficiency, reduction of 6.67% of the required airflow and cause the reduction of erosion in chamber.

Keywords

References

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Iranian Journal of Biosystems Engineering
Volume 51, Issue 2
July 2020
Pages 329-339

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History

  • Receive Date: 24 February 2019
  • Revise Date: 31 December 2019
  • Accept Date: 18 January 2020

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