Flowing interaction between cutting edge of ploughbreast with soil in shifting tillage operations
Ploughbreast is the crucial soil-engaging component of horizontally reversible plough (HRP). Its biggest merit, compared to conventional ploughs, is to enable the ploughbody to perform alternative and shifting tillage operations with high speeds. A major technical challenge in the aforementioned ope...
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doaj-2cc3d1ccd8ce46738d92ff04b29843c72020-12-07T17:17:46ZengTaylor & Francis GroupEngineering Applications of Computational Fluid Mechanics1994-20601997-003X2020-01-011411404141510.1080/19942060.2020.18357341835734Flowing interaction between cutting edge of ploughbreast with soil in shifting tillage operationsJia-Wen Zhang0Lin Zhu1Pu Chen2Qin-Ming Wu3Min Wei4Cheng-Long Yin5Guo-Li Li6Mechanical Engineering Department, School of Engineering, Anhui Agricultural UniversityMechanical Engineering Department, School of Engineering, Anhui Agricultural UniversityMechanical Engineering Department, School of Engineering, Anhui Agricultural UniversityMechanical Engineering Department, School of Engineering, Anhui Agricultural UniversityMechanical Engineering Department, School of Engineering, Anhui Agricultural UniversityMechanical Engineering Department, School of Engineering, Anhui Agricultural UniversityCollaborative Innovation Center of Industrial Energy-saving and Power Quality Control, Anhui UniversityPloughbreast is the crucial soil-engaging component of horizontally reversible plough (HRP). Its biggest merit, compared to conventional ploughs, is to enable the ploughbody to perform alternative and shifting tillage operations with high speeds. A major technical challenge in the aforementioned operation is violent flowing interaction between soil and ploughbreast. This flowing interaction may result in severe wear rate on the ploughbreast, particularly along its cutting edge, i.e. ploughshank, thereby reducing the tool life. The objective of the present paper is to evaluate influences of the flowing interaction on the ploughshank by studying interaction force, wear rate and their correlation. The interaction forces were predicted using a numerical calculation with finite volume approach in computational fluid dynamics (CFD) software. The wear rates were measured using scanning electron microscope (SEM). There were very good qualitative agreements between numerical and experimental results that either the maximum force or the most severe wear rate appears at the same section and has a direct relationship with the Tillage speed and tilling depth. Closer examination of the calculated and measured confirms that the more violent sliding & rubbing, the greater stress gradient and the larger abrupt stress cause the more severe wear rate along the ploughshank.http://dx.doi.org/10.1080/19942060.2020.1835734flowing interactionploughshankshifting tillagecfdsem |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Jia-Wen Zhang Lin Zhu Pu Chen Qin-Ming Wu Min Wei Cheng-Long Yin Guo-Li Li |
spellingShingle |
Jia-Wen Zhang Lin Zhu Pu Chen Qin-Ming Wu Min Wei Cheng-Long Yin Guo-Li Li Flowing interaction between cutting edge of ploughbreast with soil in shifting tillage operations Engineering Applications of Computational Fluid Mechanics flowing interaction ploughshank shifting tillage cfd sem |
author_facet |
Jia-Wen Zhang Lin Zhu Pu Chen Qin-Ming Wu Min Wei Cheng-Long Yin Guo-Li Li |
author_sort |
Jia-Wen Zhang |
title |
Flowing interaction between cutting edge of ploughbreast with soil in shifting tillage operations |
title_short |
Flowing interaction between cutting edge of ploughbreast with soil in shifting tillage operations |
title_full |
Flowing interaction between cutting edge of ploughbreast with soil in shifting tillage operations |
title_fullStr |
Flowing interaction between cutting edge of ploughbreast with soil in shifting tillage operations |
title_full_unstemmed |
Flowing interaction between cutting edge of ploughbreast with soil in shifting tillage operations |
title_sort |
flowing interaction between cutting edge of ploughbreast with soil in shifting tillage operations |
publisher |
Taylor & Francis Group |
series |
Engineering Applications of Computational Fluid Mechanics |
issn |
1994-2060 1997-003X |
publishDate |
2020-01-01 |
description |
Ploughbreast is the crucial soil-engaging component of horizontally reversible plough (HRP). Its biggest merit, compared to conventional ploughs, is to enable the ploughbody to perform alternative and shifting tillage operations with high speeds. A major technical challenge in the aforementioned operation is violent flowing interaction between soil and ploughbreast. This flowing interaction may result in severe wear rate on the ploughbreast, particularly along its cutting edge, i.e. ploughshank, thereby reducing the tool life. The objective of the present paper is to evaluate influences of the flowing interaction on the ploughshank by studying interaction force, wear rate and their correlation. The interaction forces were predicted using a numerical calculation with finite volume approach in computational fluid dynamics (CFD) software. The wear rates were measured using scanning electron microscope (SEM). There were very good qualitative agreements between numerical and experimental results that either the maximum force or the most severe wear rate appears at the same section and has a direct relationship with the Tillage speed and tilling depth. Closer examination of the calculated and measured confirms that the more violent sliding & rubbing, the greater stress gradient and the larger abrupt stress cause the more severe wear rate along the ploughshank. |
topic |
flowing interaction ploughshank shifting tillage cfd sem |
url |
http://dx.doi.org/10.1080/19942060.2020.1835734 |
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