IceCube Enhanced Hot Water Drill functional description
| Autor: | R. Paulos, A. Elcheikh, Albrecht Karle, F. Feyzi, L. Greenler, J. Haugen, Michael DuVernois, J. J. Cherwinka, T. Benson, M. Mulligan |
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| Rok vydání: | 2014 |
| Předmět: |
010504 meteorology & atmospheric sciences
Drill 010308 nuclear & particles physics Firn Borehole Drilling 01 natural sciences Functional description Particle detector IceCube Neutrino Observatory 0103 physical sciences Thermal Geomorphology Geology Seismology 0105 earth and related environmental sciences Earth-Surface Processes |
| Zdroj: | Annals of Glaciology. 55:105-114 |
| ISSN: | 1727-5644 0260-3055 |
| Popis: | The IceCube Neutrino Observatory was constructed at the South Pole during the 2004/05 to 2010/11 austral summer seasons. IceCube transforms 1 km3 of Antarctic ice into an astrophysical particle detector composed of 86 cables (strings) of optical sensors buried deep beneath the surface. Each string required drilling a borehole ∼60 cm in diameter to a depth of 2500 m. The 5 MW Enhanced Hot Water Drill was designed and built specifically for this task, capable of producing the required boreholes at a rate of one hole per 48 hours. Hot-water drilling on this scale presented unique challenges and was rich in lessons learned, yielding a collection of notable developments and takeaways (e.g. fuel-saving measures, thermal modeling, firn drilling and closed-loop computer control). Descriptions of system functionality and of lessons learned from IceCube drilling are presented. |
| Databáze: | OpenAIRE |
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