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Document Details

Ice core drills usable for wet ice
Authors: Suzuki Y and Shimbori K
Year: 1985
Periodical/Journal: Memoirs of National Institute of Polar Research, Special Issue No. 39
Page Range: 214-218

Ice core drills which stored cuttings above the core barrel were tested. Cuttings were pushed up by one short booster screw. For a constant drilling speed, the necessary power increased with the amount of cuttings, being less than 110 percent of initial value (power for cutting only) for a 1.2-m drilling and about 150 percent for a 2.6-m drilling. The drills could core wet ice as efficiently as cold ice. The method of storing cuttings is also adequate for a drill used in a liquid-filled hole.

ISSN/ISBN: 03860744
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