螺旋槳噪聲 的英文怎麼說

中文拼音 [luóxuánjiǎngzàoshēng]
螺旋槳噪聲 英文
propeller noise
  • 螺 : 1. [動物學] （軟體動物） spiral shell; snail; conch 2. （螺旋形的指紋） whorl （in fingerprint）
  • 旋 : 旋Ⅰ動詞1 （旋轉） whirl 2 （用車床切削或用刀子轉著圈地削） turn sth on a lathe; lathe; pare Ⅱ名詞...
  • 槳 : 名詞1. （劃船用具） oar; paddle 2. （螺旋槳） propeller
  • 噪 : 動詞1. （蟲或鳥叫） chirp 2. （大聲叫嚷） make noise; make an uproar; clamour
  • 螺旋槳 : [機械工程] screw propeller; propeller; screw; blade; airscrew; propeller screw; propelling screw...
  • 螺旋 : 1 （具有螺紋的圓柱體 屬于斜面類的簡單機械） corkscrewspin; screw; spiral; helix 2 （螺旋現象;尾旋...
  1. Measurement of noise airworthiness verification to the light propeller airplane

    小型螺旋槳類飛機的適航噪聲驗證測量方法
  2. The methods will not only make a key tool for noise prediction, but also play a role for noise control of the propeller in engineering project

    整個方法對船舶螺旋槳噪聲預報提供了工具，對螺旋槳的噪聲控制及低噪聲設計也有重要的工程價值。
  3. Autonomous underwater vehicles can mimic locomotion of aquatic animals - fishes that utilize oscillating foils as their propulsive elements. there are overwhelming advantages for them in speed, maneuverability, and noise over conventional man - made propeller

    利用仿生水中生物魚類游動原理，可以製造出性能優良的水下推進系統，這種推進系統比現在所利用的螺旋槳在速度、機動性能和噪聲方面更為出色。
  4. The self - - noise of underwater vehicles is one of the main interfere sources in sonar, which is compound of three kinds of noise inc1uding the machinery noise, the propel ler noi se and the water ki net ics noise

    航行體自噪聲是聲納的主要干擾源之一，它由航行體運動時產生的機械噪聲、螺旋槳噪聲和水動力噪聲幾部分構成。
  5. The submarine noise detected by sonar consists of two parts : propeller - generated hydro - dynamical noise, which can be greatly reduced by improving the submarine rear shape ; radiated noise from the submarine structure excited by the centrifugal forces ( moments ) of rotatory machine, which is more complicated and influenced by many factors

    聲納所探測的潛艇噪聲包括兩部分，一是螺旋槳運轉帶來的水動力噪聲，二是潛艇主機工作時產生的不平衡力和力矩引起潛艇結構振動，帶動流場振動從而輻射噪聲。通過改進潛艇尾部線型設計，已將水動力噪聲降到比較低的程度，而結構噪聲則復雜得多，與許多因素有關。
  6. The multiscale modulation spectrum analysis based on the mulitresolution analysis of noise caused by ship propoller cavitation

    螺旋槳空化噪聲的小波多尺度調制譜分析
  7. Propeller noise measurement and analysis on remote submersible model

    潛艇遙控自航模螺旋槳噪聲測量分析方法
  8. Study of low - frequency noise induced by marine propeller

    船舶螺旋槳低頻噪聲研究
  9. Using a combination method of the lifting surface theory and acoustic technique, the effects of different diameters, skews and rakes on the discrete noise of the propeller are studied by the numerical method and some useful results for engineering are presented in this paper

    利用升力面理論和聲學方法得到的離散譜噪聲的預報公式，對螺旋槳直徑、側斜、縱傾變化對離散譜噪聲的影響作了數值計算，並得到了工程上有實用意義的結果。
  10. When the propeller operates in the spatially non - uniform velocity field behind the ship, the unsteady cavitation on the blades often causes the vibration of ship structure, the propeller noise and the cavitation erosion on the blade

    在船尾非均勻流場中工作的螺旋槳，常常由於槳葉上產生了非定常空泡，導致船尾振動和螺旋槳噪聲，致使槳葉表面出現空泡剝蝕。
  11. The low - frequency discrete noise of the propeller is induced by the interaction between blades of the propeller and wake of the marine, and the low - frequency broadband noise of the propeller is produced by the interaction of blades and turbulent field of the marine stern

    螺旋槳的低頻離散譜噪聲是由船尾伴流場和葉片的相互作用引起的，而低頻寬帶噪聲是由船尾粘性湍流場和葉片的相互作用產生的。
  12. Prediction of noise induced by interaction between turbulent flow and propeller blades

    船舶螺旋槳葉片與艉部湍流場互作用噪聲的預報研究
  13. Method of propeller noise measurement for submarine

    潛艇螺旋槳噪聲測量方法
  14. Comparative research on propeller and laser cavitation noise

    激光噪聲與螺旋槳噪聲的比較研究
  15. The method of predicting propeller noise

    預報螺旋槳噪聲的方法
  16. This paper provides data processing procedures for the separation of propeller s noise from the mea - surements. a data processing demonstration of a submersible model has also been made in the paper and the sep - aration of propeller s noise will be presented in the following paper

    作為實驗的第一步，文中還給出了潛艇遙控自航模航行時的噪聲測量結果，螺旋槳噪聲的分離工作將在下一步完成。
  17. Study on discrete noise lnduced by marine propeller

    螺旋槳離散譜噪聲計算研究
  18. They have also been exported to iran, china, india, poland, romania and algeria. china has two type 636 submarine which are designed for antisubmarine and anti - surface ship asuw warfare as well as for general reconnaissance and patrol missions

    636型潛艇是在877型的基礎上又進行了改進提高，其降低動力裝置的轉速，採用了七葉大側斜螺旋槳，增大充電功率提高了充電能力，改進降噪措施，進一步降低了噪聲。
  19. Study on fluctuating pressure and noise induced by ship propeller

    船舶螺旋槳誘導的脈動壓力和噪聲的研究
  20. According to mechanism of low - frequency broadband noise of the propeller, theoretical analysis method is given and numerical calculation of the noise is worked out as well

    在分析螺旋槳低頻寬帶噪聲成因的基礎上得到了理論計算方法，並作了數值計算。
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