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Microcomputer simulation of percussive drilling
Luleå tekniska universitet.
1985 (English)In: International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, ISSN 0148-9062, E-ISSN 1879-2073, Vol. 22, no 4, p. 237-249Article in journal (Refereed) Published
Abstract [en]

Churn drilling, down-the-hole drilling, hammer drilling, and related drilling and breaking processes are simulated by means of a microcomputer. The simulation programs are written in Apple Pascal for the Apple II family of computers. Accounts are given of the simulation programs and their theoretical basis, and results are presented from two different simulation studies. The first study concerns the efficiency of a simple percussive system which consists of a cylindrical hammer and a cylindrical bit, both with the same characteristic impedance. The second simulation study concerns a commercial percussive drill, namely, Atlas Copco's COP 1038 HD. For both simulation studies, comparisons are made with exact theoretical results

Place, publisher, year, edition, pages
1985. Vol. 22, no 4, p. 237-249
National Category
Applied Mechanics
Research subject
Solid Mechanics
Identifiers
URN: urn:nbn:se:ltu:diva-10028DOI: 10.1016/0148-9062(85)92951-1ISI: A1985AMF1600004Scopus ID: 2-s2.0-0022183998Local ID: 8c9145e0-eac5-11dc-9508-000ea68e967bOAI: oai:DiVA.org:ltu-10028DiVA, id: diva2:982968
Note
Godkänd; 1985; 20080305 (cira)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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