THERMAL SCIENCE

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Maxim Yu Orlov

INVESTIGATION OF THE PROCESS OF EXPLOSIVE LOADING OF FRESHWATER ICE

ABSTRACT
The behaviour of freshwater ice under the action of detonation products has been studied. As objects of the study was chosen snow covered ice of medium thickness. The ice cover of 2018 and 2017 on the Tom River was considered in current research. The age of the ice was approximate 130 days, but the temperature of its formation was different. In the first case (2017), the ice formation temperature was 7.5 % lower than in the second case. The sizes of the lanes in the snow covered ice after detonation of 4 kg of emulsion explosive are obtained. It was established that in the second case the diameter of the lane was 15% smaller than in the first case. The ice edge of the lane in the snow-covered and bare ice was determined. The edge of the needle ice, which had a stepped shape, is presented. A qualitative and quantitative assessment of the destruction of ice under explosive loads is given. It was found that the temperature of ice formation influenced the process of its destruction under explosive loads.
KEYWORDS
ice, full-scale test, underwater explosion, detonation product, lane, destruction, air temperature
PAPER SUBMITTED: 2018-09-03
PAPER REVISED: 2018-11-11
PAPER ACCEPTED: 2018-12-05
PUBLISHED ONLINE: 2019-05-05
DOI REFERENCE: https://doi.org/10.2298/TSCI19S2561O
CITATION EXPORT: view in browser or download as text file
THERMAL SCIENCE YEAR 2019, VOLUME 23, ISSUE Supplement 2, PAGES [S561 - S567]
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Investigation of the process of explosive loading of freshwater ice

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