水激振動噪聲 的英文怎麼說

中文拼音 [shuǐzhèndòngzàoshēng]
水激振動噪聲 英文
noise from flow-induced vibrations
  • : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
  • : Ⅰ動詞1 (水因受到阻礙或震蕩而向上涌) swash; surge; dash 2 (冷水突然刺激身體使得病) fall ill fr...
  • : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
  • : 動詞1. (蟲或鳥叫) chirp 2. (大聲叫嚷) make noise; make an uproar; clamour
  • 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
  1. So the pipe system sends out noise because of resonance. especially the frequency 250hz of pulsating water is in close proximity to natural frequency of pipe, so the 250hz is a dangerous frequency to the pipe system. there is another reason why the noise is reached to 110db ( a ) in pump room that the noise is magnified by the cistern because of the resonance of cistern

    特別是勵頻率為250hz的頻率分量恰好與管道系統的固有頻率相接近,其引起的管道的貢獻最突出,同時也與泵房房腔的固有頻率相接近,從而引起房腔共鳴發,使進一步被放大,以至於最大處高達105db ( a ) 。
  2. The noise of such structures root in the shell vibration that drove by the inner engine, when coupled with the liquid medium, the noise will affect the performance of the vessels badly

    這些航行器的結構來源於內部機械勵殼體,並帶周圍流體介質產生輻射,它嚴重影響了下航行器的整體性能。
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