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Numerical 1D and 3D models representing a DTH drilling system: A comparison of accuracy and computational speed
Atlas Copco Rock Drills AB, Sweden.
Linnaeus University, Faculty of Technology, Department of Mechanical Engineering. (Strukturdynamik)ORCID iD: 0000-0002-4404-5708
Linnaeus University, Faculty of Technology, Department of Mechanical Engineering.ORCID iD: 0000-0001-7732-1898
Atlas Copco Rock Drills AB, Sweden.
2018 (English)In: 25th International Congress on Sound and Vibration 2018 (ICSV 25): Hiroshima Calling. Proceedings of a meeting held 8-12 July 2018, Hiroshima, Japan, Auburn, AL: International Institute of Acoustics & Vibration , 2018, Vol. 1, p. 394-401Conference paper, Published paper (Refereed)
Abstract [en]

The drilling industry is steadily moving towards automation. To have a better control over the drilling operation and to optimize the drilling performance, it is necessary to have a good understanding of the physics involved in the process. A good simulation model of the drilling process/system would be of great value in assisting this and in enabling the development of strategies to optimize it. A representative simulation model can provide insights into various phenomena that appear during drilling for different drilling conditions. Such a model is also likely to be of assistance in preparing various measurements. Issues such as choosing the type of sensors, their positions and which quantities to measure are supported by a model. A well calibrated model in combination with information extracted from measured data are hence likely to assist in selecting control strategies for optimized drilling performance. In this paper we present a MATLAB based 1D simulation model of a Down The Hole (DTH) drill and compare it with an existing 1D model in terms of computational speed and accuracy. The emphasis is to make a 3D model of a DTH system that is computationally efficient and accurate.

Place, publisher, year, edition, pages
Auburn, AL: International Institute of Acoustics & Vibration , 2018. Vol. 1, p. 394-401
National Category
Applied Mechanics
Research subject
Technology (byts ev till Engineering), Mechanical Engineering
Identifiers
URN: urn:nbn:se:lnu:diva-73954Scopus ID: 2-s2.0-85058711131ISBN: 9781510868458 (print)OAI: oai:DiVA.org:lnu-73954DiVA, id: diva2:1204021
Conference
25th International Congress on Sound and Vibration 2018 (ICSV 25)
Available from: 2018-05-05 Created: 2018-05-05 Last updated: 2019-12-13Bibliographically approved

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Linderholt, AndreasHåkansson, Lars

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