Study on Rock-Breaking Depth and Damage Area under Particle Jet Impact
Joint Authors
Ren, Fushen
Fang, Tiancheng
Cheng, Xiaoze
Source
Issue
Vol. 2020, Issue 2020 (31 Dec. 2020), pp.1-12, 12 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2020-09-01
Country of Publication
Egypt
No. of Pages
12
Main Subjects
Abstract EN
Particle jet impact drilling technology is an efficient method which mainly uses high-velocity particles to break rock.
As the important criterion for evaluating rock-breaking effect, rock-breaking depth and damage area were studied in this paper.
Firstly, a particle jet impact rock-breaking test device was developed, and laboratory experiments have been carried out.
Then, based on the spherical cavity expansion theory, the mathematical model of rock-breaking depth and damage area under particle jet impact was established.
Afterward, the effect of water-jet impact velocity, impact angle, and particle diameter on rock-breaking depth and damage area was analyzed by comparing experimental results and mathematical calculation.
The results show that rock-breaking depth and damage area would increase with increase of water-jet impact velocity and decrease slightly with increase of particle diameter.
And the combination of 8° and 20° is recommended for nozzle layout.
The experimental results and mathematical calculation are basically consistent, which could verify the correctness of the mathematical model.
The study has significance for development and application of particle jet impact rock-breaking technology and perfection of theoretical research.
American Psychological Association (APA)
Ren, Fushen& Fang, Tiancheng& Cheng, Xiaoze. 2020. Study on Rock-Breaking Depth and Damage Area under Particle Jet Impact. Shock and Vibration،Vol. 2020, no. 2020, pp.1-12.
https://search.emarefa.net/detail/BIM-1209890
Modern Language Association (MLA)
Ren, Fushen…[et al.]. Study on Rock-Breaking Depth and Damage Area under Particle Jet Impact. Shock and Vibration No. 2020 (2020), pp.1-12.
https://search.emarefa.net/detail/BIM-1209890
American Medical Association (AMA)
Ren, Fushen& Fang, Tiancheng& Cheng, Xiaoze. Study on Rock-Breaking Depth and Damage Area under Particle Jet Impact. Shock and Vibration. 2020. Vol. 2020, no. 2020, pp.1-12.
https://search.emarefa.net/detail/BIM-1209890
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1209890