vortex ring

基本解釋

• [流] 渦環(huán)

英漢例句

雙語例句

• The effect of the viscosity is mainly shown in the diffusion of vorticity and the generation of secondary vortex ring.
  粘性的作用主要體現(xiàn)在渦量的耗散和新的二次渦環(huán)的產(chǎn)生；
• The results show that the interaction between a viscous vortex ring and a free surface is different from the inviscid one.
  結果表明：由于粘性的存在，使得渦環(huán)與自由表面的相互作用與無粘情形相比有許多不同。
• Physically, at a special critical wave speed the flow may have a naturally periodical separated-reattached pattern, with each wave trough capturing a stable vortex ring.
  物理上看，在一個特定的臨界行波速下會形成自發(fā)的周期性分離再附流，每個波谷的分離區(qū)捕獲一個穩(wěn)定的渦環(huán)。

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詞組短語

短語

• vortex x ring 渦環(huán);漩渦之環(huán)
• vortex -ring cascade 渦環(huán)級聯(lián)
• vortex ring state 渦環(huán)狀態(tài)
• Incessant Vortex Ring 無盡渦環(huán)
• vortex ring canopy 渦環(huán)傘衣

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英英字典

柯林斯英英字典

• a stable perturbation in a fluid that takes the form of a torus in which the flow rotates in the section of the torus so that the pressure difference between the inside and outside of the torus balances body forces. The best-known vortex ring is a smoke ring

• vortex ring劍橋字典
• vortex ring柯林斯字典

專業(yè)釋義

物理學

• 渦環(huán)

地球科學

• 渦環(huán)