The rock breaking capability analyses of sonic drilling

Sonic drilling technology uses the longitudinal vibration of a drill string to realize fast and effective drilling. By setting the top and bottom boundary conditions of the drill string during drilling, a dynamic model of flexible sonic string percussive drilling is established in this article. At a...

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Auteurs principaux:	Yonghang Qian, Yu Wang, Zhiqiao Wang, Bairu Xia, Liya Liu
Format:	article
Langue:	EN
Publié:	SAGE Publishing 2021
Sujets:	Control engineering systems. Automatic machinery (General) TJ212-225 Acoustics. Sound QC221-246
Accès en ligne:	https://doaj.org/article/daa91219fa23479b998eec357973bd6d
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id	oai:doaj.org-article:daa91219fa23479b998eec357973bd6d
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spelling	oai:doaj.org-article:daa91219fa23479b998eec357973bd6d2021-12-02T01:34:23ZThe rock breaking capability analyses of sonic drilling1461-34842048-404610.1177/14613484211025155https://doaj.org/article/daa91219fa23479b998eec357973bd6d2021-12-01T00:00:00Zhttps://doi.org/10.1177/14613484211025155https://doaj.org/toc/1461-3484https://doaj.org/toc/2048-4046Sonic drilling technology uses the longitudinal vibration of a drill string to realize fast and effective drilling. By setting the top and bottom boundary conditions of the drill string during drilling, a dynamic model of flexible sonic string percussive drilling is established in this article. At a certain drilling depth, with the excitation frequencies as the control parameters, the maximum impact force and rock breaking energy utilization rate are used to evaluate the rock breaking capability of the sonic drilling system under the linear bit–rock model. A surface diagram of the maximum breaking force reached within the working frequencies and at varying drilling depths is obtained. The curve graph of the rock breaking energy utilization rate varying with drilling depth under the first six orders of resonance is also calculated. Analysing the influence of changing drilling parameters on the rock breaking capability of sonic drilling systems can provide theoretical guidance for the actual drilling process.Yonghang QianYu WangZhiqiao WangBairu XiaLiya LiuSAGE PublishingarticleControl engineering systems. Automatic machinery (General)TJ212-225Acoustics. SoundQC221-246ENJournal of Low Frequency Noise, Vibration and Active Control, Vol 40 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Control engineering systems. Automatic machinery (General) TJ212-225 Acoustics. Sound QC221-246
spellingShingle	Control engineering systems. Automatic machinery (General) TJ212-225 Acoustics. Sound QC221-246 Yonghang Qian Yu Wang Zhiqiao Wang Bairu Xia Liya Liu The rock breaking capability analyses of sonic drilling
description	Sonic drilling technology uses the longitudinal vibration of a drill string to realize fast and effective drilling. By setting the top and bottom boundary conditions of the drill string during drilling, a dynamic model of flexible sonic string percussive drilling is established in this article. At a certain drilling depth, with the excitation frequencies as the control parameters, the maximum impact force and rock breaking energy utilization rate are used to evaluate the rock breaking capability of the sonic drilling system under the linear bit–rock model. A surface diagram of the maximum breaking force reached within the working frequencies and at varying drilling depths is obtained. The curve graph of the rock breaking energy utilization rate varying with drilling depth under the first six orders of resonance is also calculated. Analysing the influence of changing drilling parameters on the rock breaking capability of sonic drilling systems can provide theoretical guidance for the actual drilling process.
format	article
author	Yonghang Qian Yu Wang Zhiqiao Wang Bairu Xia Liya Liu
author_facet	Yonghang Qian Yu Wang Zhiqiao Wang Bairu Xia Liya Liu
author_sort	Yonghang Qian
title	The rock breaking capability analyses of sonic drilling
title_short	The rock breaking capability analyses of sonic drilling
title_full	The rock breaking capability analyses of sonic drilling
title_fullStr	The rock breaking capability analyses of sonic drilling
title_full_unstemmed	The rock breaking capability analyses of sonic drilling
title_sort	rock breaking capability analyses of sonic drilling
publisher	SAGE Publishing
publishDate	2021
url	https://doaj.org/article/daa91219fa23479b998eec357973bd6d
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The rock breaking capability analyses of sonic drilling

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