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An analytical study of percussive energy transfer in hydraulic rock drills
Luleå tekniska universitet.
1991 (English)In: Mining Science and Technology, ISSN 0167-9031, Vol. 13, no 1, p. 57-38Article in journal (Refereed) Published
Abstract [en]

An analytical model analyzing stress wave generation and propagation, and percussive energy transfer of hydraulic rock drills is introduced. The model takes into account the local deformation of impact ends of piston and shank adapter. A good agreement between theoretical and experimental results is obtained. The percussive energy transfer of hydraulic rock drills is analyzed with the model. The analysis indicates that the local deformation, when it is within the practical range, does not have a large influence on the efficiency of energy transfer in hydraulic rock drills.

Place, publisher, year, edition, pages
1991. Vol. 13, no 1, p. 57-38
National Category
Other Civil Engineering
Research subject
Mining and Rock Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-9539DOI: 10.1016/0167-9031(91)90254-AScopus ID: 2-s2.0-0026191672Local ID: 83048270-ff11-11dc-8b65-000ea68e967bOAI: oai:DiVA.org:ltu-9539DiVA, id: diva2:982477
Note

Godkänd; 1991; 20080331 (cira)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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