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Задача термоупругости для сплошного цилиндра с внешней кольцевой трещиной

Задача термоупругости для сплошного цилиндра с внешней кольцевой трещиной

Abstract

Проводится исследование развития поверхностных кольцевых трещин в нагретом цилиндре, изготовленном из хрупкого материала (неорганическое стекло), при его охлаждении в воде. Показано, что трещина может развиваться под действием температурных напряжений, возникающих за счет охлаждения средой, омывающей цилиндрическую поверхность и за счет охлаждения с берегов трещины средой, попавшей в нее. Проведен расчет этих температурных напряжений; показано, что вторыми напряжениями можно пренебречь по сравнению с первыми.

Surface ring-shaped crack development in a heated up cylinder made of fragile material (inorganic glass) under cooling in water is examined. It is shown that the crack may develop under temperature stresses arising because of cooling medium from the cylinder surface and because of crack banks cooling by the medium getting into the crack. Computing of these temperature stresses is fulfilled; it is shown that the second stresses might be neglected comparing with the first ones.

Keywords

ЦИЛИНДР, НЕОРГАНИЧЕСКОЕ СТЕКЛО, КОЛЬЦЕВАЯ ТРЕЩИНА, ОХЛАЖДЕНИЕ, ВОДА, ТЕМПЕРАТУРНЫЕ НАПРЯЖЕНИЯ

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average