Ultrasonically-assisted penetration of granular and cemented materials

Firstbrook, D. G. , Harkness, P. , Li, X. , Timoney, R. and Worrall, K. (2018) Ultrasonically-assisted penetration of granular and cemented materials. In: Badescu, V. and Zacny, K. (eds.) Outer Solar System: Prospective Energy and Material Resources. Springer International Publishing, pp. 261-268. ISBN 9783319738444 (doi: 10.1007/978-3-319-73845-1_7)

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Publisher's URL: https://www.springer.com/gb/book/9783319738444


Granular material can often be penetrated by the application of high-frequency vibrations. This effect may be seen in loosely packed granular material, in permafrost where the discrete grains exist in an icy matrix, and even where those grains have been compacted and cemented to form a sedimentary rock. For space applications, the vibrations may be reasonably generated by a Langevin transducer and their energy delivered to the target material by a number of different mechanisms, depending on the nature of the target and the depth or bore diameter of the desired drill campaign. The application of such vibrations is generally associated with reductions in weight-on-bit and power requirements when compared to more traditional techniques.

Item Type:Book Sections
Glasgow Author(s) Enlighten ID:Worrall, Dr Kevin and Firstbrook, David George and Timoney, Dr Ryan and Harkness, Professor Patrick and Li, Dr Xuan
Authors: Firstbrook, D. G., Harkness, P., Li, X., Timoney, R., and Worrall, K.
College/School:College of Science and Engineering > School of Engineering > Systems Power and Energy
College of Science and Engineering > School of Engineering > Autonomous Systems and Connectivity
Publisher:Springer International Publishing
Published Online:29 April 2018

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