螺旋槳力 的英文怎麼說

中文拼音 [luóxuánjiǎng]
螺旋槳力 英文
propeller force
  • : 1. [動物學] (軟體動物) spiral shell; snail; conch 2. (螺旋形的指紋) whorl (in fingerprint)
  • : 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...
  • : 名詞1. (劃船用具) oar; paddle 2. (螺旋槳) propeller
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • 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. The advantage and disadvantage of measurement of propeller - induced pressure by using different equipment is discussed. the method to obtain self - propulsion point for full scale in depressurized towing tank is studied. the measurements of pressure of two propeller models are carried out, the results of the measurement agree with those obtained by cavitation tunnel very well, which proves this measurement is successful, and the theoretical prediction is verified too

    比較了不同測試設備用於脈動壓測試的優缺點,探討了在減壓拖曳水池中實現實船自航點的方法,並進行了兩只模型的脈動壓測試,經與空泡水洞中脈動壓的測試結果進行比較,說明該項測試是成功的,同時也對脈動壓的理論預報結果做了驗證。
  2. In this dissertation, through computer simulation, the problems of modeling, control and guidance of auvs are presented. the first part of this dissertation addresses the problem of dynamically modeling of auvs, and derives thrusters " two - dimension nonlinear dynamic model, which has axial flow speed and propeller rotational velocity as two state variables, voltage or current of motor as inputs, and thruster force and torque as output. the second part focuses on the nonlinear adaptive sliding mode control of auvs in diving plane and steering plane

    本論文系統研究了自主式水下航行器的建模、非線性自適應滑模控制、以及深度調整和水平面導引方法等問題,具體成果和創新點如下1 、根據流體學理論,建立了推進器的動態模型,它以來流速度v _ p和轉速n為狀態變量,以電機施加轉矩為輸入,t和轉矩q為輸出。
  3. Compared to an ordinary rudder, the value of lift coefficient of ichthyoid rudder is about 30 % higher and the maximum rudder angle of it nearly reaches 45 degrees. ichthyoid rudder is a design under such a conception as to effectively utilize the propellers slipstream for rudder action, and featured by having a fish - shaped one - piece construction that is to say - no part of ichthyoid rudder can move in the water

    其研究的魚形舵是一個沒有在水下移動的魚尾形剖面單片結構,增加了全舵的剖面拱度,使尾流的折射水量增強,進而增大了水動的作用,使之比普通流線形舵的升提高30左右。
  4. Jet engines with which most modern high-speed aircrafts are equipped develop thrust on the same principle as the propellers of conventional aero-engines.

    大多數現代高速飛機裝備的噴氣發動機產生推的原理,與普通航空發動機的相同。
  5. Driven by propellers, microhunters navigate in three dimensions by homing in on light sources, depth, pressure or a direction ? magnetic north, for example

    小獵人便以推動,在三度空間都可利用光源、深度、壓、地磁作為方向的引導。
  6. The produce process contains : fiberglass process, foam process, balsa process and layer press board process etc. the product range among : emulate slide flight, engine motor flight, electromotion flight, eject flight, airscrew and the accessory of various flight model

    翔華航模的生產工藝現有玻璃纖維製作,泡沫塑料製作, balsa製作,層壓板製作。產品包括像真滑翔飛機,引擎動飛機,電動飛機,噴射飛機以及和各種飛機模型配件。
  7. Screw propeller dynamometer

  8. The experiment can obtain the driver and the torsion of the screw propeller of relative speed and is an important method to analyze the efficient part of push

    船模自航試驗可獲得對應航速和轉矩,是分析各種推進效率成分的重要手段。
  9. The paper build a model of electric ship power system, include the model of motor and generator derived from simulink, the model of propeller build by the author, the model of load flow. after the process of model simulation, the dynamic curve of electrical ship were drawn out

    應用simulink已有的電機模塊,再自行建立的simulink模型,結合數據庫模塊和用戶自定義的s函數模塊,建立了電推進船的船?機?漿匹配模型,並進行了模擬計算和動態特性模擬,並進行了模擬結果分析。
  10. 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。
  11. 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

    本文把升線和升面設計方法、基於面元法預報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。
  12. < uk > the configuration has two tractor propellers, full - span double slotted flaps deflected 45, and a high tail. < / uk >

    < uk >實驗模型有二兩拉,全翼展雙縫襟翼偏轉45 ,並有高置的水平尾翼。 < / uk >
  13. Based on the green ' s formula and the assumption of the propeller blade ' s thin sections, a lifting - surface method of propellers with the vortex lattice and equal source panel distributions on the mean camber surface has been introduced for the prediction of steady propeller ' s hydrodynamics in this paper. an approximate kurta condition was applied

    基於creen公式和薄翼理論假設導出的升面方法,採用在拱弧面上分佈離散渦、源布置方法預報均勻流場中的的定常性能,尾渦面上壓連續性條件採用近似的kutta條件處理。
  14. The configuration has two tractor propellers, full-span double slotted flaps deflected 45°, and a high tail.

    實驗模型有二兩拉,全翼展雙縫襟翼偏轉45,並有高置的水平尾翼。
  15. An aircraft powered by a conventional propeller and supported in flight by a freewheeling, horizontal rotor that provides lift

    翼機在飛行中以常規的來驅動並靠慣性滑行支持的,提供升的水平轉儀
  16. 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、噪聲和水動噪聲幾部分構成。
  17. 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,一是運轉帶來的水動噪聲,二是潛艇主機工作時產生的不平衡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。
  18. For getting the runner characteristics more correctly, researching the representation of runner characteristics of the kaplan turbine in this paper, and using this method of modifying runner characteristics to calculate the transient of hydraulic power station. improving the calculating model of the axial thrust in the kaplan turbine ' s transient. base on the theory of screw propeller without any boundary, using the theory of screw propeller with pipe, and the formula to calculate the dynamic axial thrust during transient is developed

    本文對轉機組在過渡過程中的葉劃水產生水推的數學模型進行了改進,在原來使用無邊界進行等效的基礎上,使用了導管對轉機組中的葉劃水進行等效,並且比較詳細的分析了影響轉機組軸向水推的各個因素,以及給出了動態計算軸向水推的公式,通過計算表明,使用改進后的動態水推計算模型得到的結果能較好的反應實測的動態軸向水推
  19. Calculation of ship propeller ' s thrust change in waves

    風浪中損失計算
  20. Under the condition of knowing the mass, stiffness, damping and the real vibration response of stem, the propeller pressure impulses of blade frequency are deduced, these belong to structure dynamics problem that is loading identification problem

    摘要在已知船舶的質量、剛度、阻尼以及實測尾端振動速度的條件下,反推出葉頻激振
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