HOT WATER DRILL FOR TEMPERATE ICE.
By: Philip L. Taylor
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Abstract
The development of a high-pressure hot-water drill is described, which has been used reliably in temperate ice to depths of 400 meters with an average drill rate of about 1. 5 meters per minute. One arrangement of the equipment weighs about 500 kilograms, and can be contained on two sleds, each about 3 meters long. Simplified performance equations are given, and experiments with nozzle design suggest a characteristic number describing the efficiency of each design, and a minimum bore-hole diameter very close to 6 centimeters for a hot water drill. Also discussed is field experience with cold weather, water supply, and contact with englacial cavities and the glacier bed.
Suggested Citation
Taylor, P.L., 1984, HOT WATER DRILL FOR TEMPERATE ICE., in CRREL Special Report (US Army Cold Regions Research and Engineering Laboratory), Calgary, Alberta, Can, p. 105-117.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | HOT WATER DRILL FOR TEMPERATE ICE. |
| Year Published | 1984 |
| Language | English |
| Publisher | US Army Cold Regions Research & Engineering Lab |
| Publisher location | Hanover, NH, USA |
| Larger Work Title | CRREL Special Report (US Army Cold Regions Research and Engineering Laboratory) |
| First page | 105 |
| Last page | 117 |
| Conference Title | Ice Drilling Technology, Proceedings of the Second International Workshop/Symposium. |
| Conference Location | Calgary, Alberta, Can |