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Electrochaude: a self-flushing hot-water drilling apparatus for glaciers with debris
Authors: Rado C, Girard C and Perrin J
Year: 1987
Periodical/Journal: Journal of Glaciology
Volume: 33
Number: 114
Page Range: 236-238

In order to avoid problems stemming from the accumulation of rock fragments at the bottom of the hole during conventional thermal drilling in ice, a new type of probe has been developed. In this system, the water is warmed electrically inside the probe itself and propelled by a micro-pump. In this way, the hot water sprayed towards the ice scatters the insulating layer of debris and drilling continues normally, as shown by tests on several glaciers over the past 4 years.

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