Dec 3, 2021 08:17
2 yrs ago
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English term

crater

English to Chinese Tech/Engineering Petroleum Eng/Sci
As a reference, for onshore pipelines the minimum cover of depth should follow the specifications given in ISO 13623; Sec.6.8.2, however, as detailed previously, due consideration needs to be taken of the influence a crater release has on dis-persion.

Discussion

Frank Zou (asker) Dec 4, 2021:
More examples Modelling releases from underground pipelines need careful consideration since the crater formation and subsequent release flow could significantly reduce the momentum and therefore air mixing of the release thereby decreasing the dis-persion and increasing the hazardous distances.
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Crater size and geometry will be a function of pipeline depth of cover.
Frank Zou (asker) Dec 4, 2021:
More examples Modelling releases from underground pipelines need careful consideration since the crater formation and subsequent release flow could significantly reduce the momentum and therefore air mixing of the release thereby decreasing the dis-persion and increasing the hazardous distances.
...
Crater size and geometry will be a function of pipeline depth of cover.

Proposed translations

8 hrs
Selected

(地下燃气管爆炸形成的)坑

2. Crater formation by the rupture of a buried pipeline
A crater is produced instantaneously after an explosive event takes place. The explosion causes the fracture, compaction and plastic deformation of the soil close to the pipe. The result is the formation of a bowl-shaped cavity by the displacement and ejection of material from below the ground surface.
https://upcommons.upc.edu/bitstream/handle/2117/171741/camac...
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4 KudoZ points awarded for this answer.
2 hrs

火山

Declined
influence a crater release has on dis-persion 火山喷发释放的影响

not sure
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2 hrs

弧坑

Declined
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3 days 7 hrs

爆破漏斗

Declined
Crater: 爆破漏斗
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"Drilling underground for oil and natural gas can lead to explosions and subsidence craters. Machinery can sometimes encounter a pocket of natural gas that is under extremely high pressure. When drilling machinery punctures the pocket of natural gas, the overlying rock layers may not be able to contain it. Like an enormous balloon, the gas pocket pops. As the gas is released in the explosion, a crater forms in the empty space.
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