螺旋槳設計 的英文怎麼說
中文拼音 [luóxuánjiǎngshèjì]
螺旋槳設計
英文
screw propeller design- 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
- 設 : Ⅰ動詞1 (設立; 布置) set up; establish; found 2 (籌劃) work out : 設計陷害 plot a frame up; fr...
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 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...
- 設計 : devise; project; plan; design; excogitation; layout; layout work; styling
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Research on design of testing equipment for lager - scale marine propeller static equilibrium
大型船用螺旋槳靜平衡檢測裝置設計研究Three engines would each drive three fans that are smaller and thus easier to quieten than current ones
三臺引擎將分別發動三個螺旋槳,螺旋槳被設計得更小,更易於靜音。The over surplus quantity reliability design of hydraulic pressure sheath screw propeller
螺旋槳液壓套合過盈量的可靠性設計Abstract : by using the principle of the reliability optimum design, combining general calcu lation method, the article analyzed the reliability opgimum calculation method of the over surplus quantity of the hydraulic pressure sheath screw propeller, and validated its correctness through example
文摘:運用可靠性設計優化設計原理,結合常規計算方法,分析了螺旋槳液壓套合過盈量的可靠性優化計算方法,並結合實例,驗證了其正確性The westland wyvern was the last fixed - wing aircraft design from the westland aircraft co. and was one of the last prop - driven fighters
「飛」攻擊機是威斯特蘭公司設計的最後一種固定翼飛機,是一種末代的螺旋槳戰斗機。In the second part, firstly, the mathematical model for predicting hydrodynamic characteristics of varivec propeller under steady or unsteady condition are present, based on the general propeller lifting - surface theory, potential flow theory and green theorem. then, theoretical calculation methods for predicting hydrodynamic characteristics of varivec propeller designed above paragraphs are present, based on the finite basic solution method, the unsteady vortex lattice method and hess - smith method
在理論計算部分,本文首先基於常規螺旋槳升力面理論、勢流理論和格林定理建立了定常和非定常狀態下全方向推進器水動力性能計算的數學模型,然後利用有限基本解法、非定常渦格法和赫斯?史密斯方法對全方向推進器定常和非定常狀態下的數學模型進行了數值離散,接下來針對前面所設計的全方位推進器進行了數值預報。The lifting - line and lifting - surface design method, the harmonic analysis method based on the panel method, new section design ways, the effective operating curves are integrated into a whole design system of the unsteady propeller, the design system is effective and reliable by the design example, the model test and the application to the full scale ship
本文把升力線和升力面設計方法、基於面元法預報螺旋槳非定常性能的諧調分析方法,新剖面設計方法、有效運轉曲線計算方法組合為一套完整的非均勻流場中螺旋槳設計計算系統,經實例設計和模型試驗及實船的應用,該設計系統是可靠且有效的。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。Design method for controllable pitch propellers by employing methodical series test diagrams
可調螺距螺旋槳槳葉圖譜設計計算方法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。Propeller design method for naval surface ships
水面艦艇螺旋槳設計計算方法Design and calculation method of cavitating propeller
空化螺旋槳的設計計算方法This paper presents a design method of propeller blade section operating in non - uniform flow field and an idea of equivalent operating curve with unchanged cavitations characteristic on blade section, the method for selecting the curve is set up
摘要給出了非均勻流場中螺旋槳槳葉剖面的設計方法,提出了保持剖面空泡特徵不變的等效運轉曲線的思想,並創建了等效運轉曲線的確定方法。According to the requirements of propeller aerocraft model test in wind tunnel, specifications of the driven motor is presented by aerodynamic analysis, and a short - term operated high power density three - phase induction motor is developed with reasonably designing the motor, such as electromagnetism load, heat checkout and high - efficiency heat exchanger
摘要針對螺旋槳飛機模型帶動力風洞實驗要求,通過氣動性能分析提出驅動電機的技術指標,在滿足結構約束的條件下,通過合理設計電機的電磁負荷、校核發熱、採用高效冷卻裝置等,研製出短時工作制高功率密度三相異步電機。Then the paper dissertates theory of parts measurement and its exercise in measurement and repair of waterway fixed assets, bases the measurement of the fixed assets on the parts, and distributes value of the vessel to hull, shafting and screw propeller, telecom facility, air - conditioning system, electric system, main - engine and subsidiary engine system, and so on. the following expenditure should be capitalized : ( 1 ) adding new components ; ( 2 ) replacing the current components, and all other expenditure be expensed
集中闡述了船舶應按照船體、靠泊系統、主輔機系統、螺旋槳與軸系、空調系統、電氣設備、電信設備、起貨系統、救生系統等主要部件進行計價;在修理支出中,應將符合下面兩個條件的支出項目予以資本化: ( 1 )增置新的部件, ( 2 )現有部件的重置。Being one of the new types of moderate skewed propeller with small area - ratio, the hudong type propeller is with virtues of high efficiency, low vibration and light in weight
Hudong型槳是滬東廠近年來借鑒國內外先進的螺旋槳設計技術,結合工廠設計與建造的實際船舶產品開發的中等側斜度、小盤面比螺旋槳。In the present work, there are two methods to design the shrouded - propeller. one is based on the blade element and momentum theory, the other is based on the ufbng - line ( surface ) theory derived from circumfluence theory
在實際工作中,函道螺旋槳的設計有兩種方法,一種是基於葉素理論與動量定理的工程方法;另一種是基於升力線(面)方法的環流理論方法。In the 1960 ' s, the circumfluence theory has been used to design the shroud - propeller, and it can be divided to two methods, one is that the profile of die shroud is provided, the other is that the pressure distribution of the shroud is provided.
到六十年代,函道螺旋槳的環流理論就可用來計算這種推進器的設計問題。本文中使用的方法是:函道用圓環渦系和圓環源、匯系模擬,用線性理論計算;螺旋槳用一個變負載的鼓動盤模擬。Research on design method of propeller based on improved evolutionary algorithm
基於改進進化演算法的螺旋槳設計方法研究This technique can effectively improve the cavitation performance and resolve the design problem of propeller operating in unsteady flow field
能有效地改善非均勻流場中螺旋槳的空泡性能。解決了非均勻流場中螺旋槳設計問題。分享友人