螺旋槳的進動 的英文怎麼說

中文拼音 [luóxuánjiǎngdejìndòng]
螺旋槳的進動 英文
precession of propeller
  • 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
  • 的 : 4次方是 The fourth power of 2 is direction
  • 進 : 進構詞成分。
  • 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 first modern torpedo ( 1866 ) carried an 18 - lb ( 8 - kg ) charge of dynamite in its nose and was powered by a compressed - air engine driving a single propeller ; its range was 200 - 700 yards ( 180 - 640 m )

    第一枚現代魚雷（ 1866 ）在其頭部裝載了8公斤的炸藥，並用壓縮空氣發動機帶動單螺旋槳推進;射程為180 640公尺。
  2. 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螺旋槳脈動壓力測試的優缺點，探討了在減壓拖曳水池中實現實船自航點的方法，並進行了兩只螺旋槳模型的脈動壓力測試，經與空泡水洞中脈動壓力的測試結果進行比較，說明該項測試是成功的，同時也對脈動壓力的理論預報結果做了驗證。
  3. 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 、根據流體力學理論，建立了螺旋槳推進器的動態模型，它以螺旋槳來流速度v _ p和螺旋槳轉速n為狀態變量，以電機施加轉矩為輸入，螺旋槳推力t和轉矩q為輸出。
  4. 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，使螺旋槳尾流的折射水量增強，進而增大了水動力的作用，使之比普通流線形舵的升力提高30左右。
  5. Different nacelle with deeper ross - section and intake over propeller shaft

    發動機艙、螺旋槳軸處的進氣口有一些不同。
  6. 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，再自行建立螺旋槳的simulink模型，結合數據庫模塊和用戶自定義的s函數模塊，建立了電力推進船的船?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。
  7. 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。
  8. A mathematic model of the motor is builded and emulated through matlab. the low - speed and constant - torque, high - speed and constant - power state is analyzed and researched, also the software approach of simulation to the driver has been done, a digital signal processor tms320lf2407 is developed successfully to control the perm square - wave bldcm driving airscrew of solar powered unmanned engine. it is useful to the further study

    在matlab下建立了電機的數學模型，通過計算機模擬，驗證了數學模型的正確性，同時在理論上對低速恆轉矩高速恆功率運行進行了分析與研究，提出了一種用模糊控制的方法實現恆功率控制，並對驅動器進行了系統模擬，成功的研製了以數字信號處理控制器tms320lf2407為控制核心的驅動器，控制無刷直流電動機驅動太陽能無人飛機的螺旋槳，為後面繼續研究工作提供了參考。
  9. 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。
  10. 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。
  11. 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

    本文對轉槳機組在過渡過程中的槳葉劃水產生水推力的數學模型進行了改進，在原來使用無邊界螺旋槳進行等效的基礎上，使用了導管螺旋槳對轉槳機組中的槳葉劃水進行等效，並且比較詳細的分析了影響轉槳機組軸向水推力的各個因素，以及給出了動態計算軸向水推力的公式，通過計算表明，使用改進后的動態水推力計算模型得到的結果能較好的反應實測的動態軸向水推力。
  12. A cascaded architecture is adopted, where desired propeller rate of revolution is generated by solving a static 2nd order equation with a parameter of desired thrust force, which is the input of the speed / position tracking control

    在推進器動態模型的基礎上，採用滑模控制的方法，由速度位置誤差獲得期望推力，再通過求解包括來流速度的二次方程得到期望螺旋槳轉速。
  13. 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。
  14. The screw propeller which is used by ships abroad is one typical application of ejecting mode because it is easy to manufacture and install and is reliable. but it has many shortcomings such as inefficiency, large dimension and heavy weight. therefore, it is very difficult to apply the screw propeller to micro mobile robot in liquid

    螺旋漿推進器既具有容易加工、可靠性高和安裝簡便等優點，也具有能源效率低，結構尺寸和重量大，對環境擾動大，噪音大，起動、加速性能差以及運動靈活性能差等缺點，因此在把螺旋槳推進方式應用到微機器人上時存在許多困難，有必要研究採用其它推進方式的在液體中運動的微機器人。
  15. Meanwhile, the mathematic model of torpedo ' s electrical propulsion system is established, which is composed of zn / ago batteries, two step shifting electrical equipment, cooterrotating dc motor and counterrotating propellers. the torpedo electrical drive system ' s changing regulations in stining, shifting and stopping ttansient process are exposited as well

    同時對由鋅銀（ zn / ago ）電池、兩級變速電器、雙轉推進電機和對轉螺旋槳組成的魚雷電動力推進系統建立了系統數學模型，揭示了由雙轉推進電機和對轉螺旋槳為主組成的魚雷電動力推進系統在啟動、變速和停車的暫態過程中的變化規律。
  16. In this papef, the torpedo ' s counterrotating propulsion dc motors ( including series excitation motor and permanent magnetic excitation motor ) are the core to stlldy ; combining the characteristics of battery shiffing electrical equipment and counterrotating propellers, the mathematic models of the torpedo ' s electrical counterrotating propulsion system ( including the mathematic models of the propulsion motors and the zn / ago battery and the shifting electrical equipment and counterrotating propellers ) are established

    本論文以雙轉魚雷直流推進電機（包括直流串勵電動機和永磁他勵電動機）為研究重點，結合鋅銀電池組、變速電器、對轉螺旋槳的特性，建立魚雷電動力推進系統的數學模型（包括推進電機、鋅銀電池、變速電器和對轉螺旋槳等的數學模型） 。
  17. The system eliminates the conventional rotating driving components, the absence of mechanical propeller system will lead to a reduction in the mechanical noise generated and make the arrangement of ship more expedient

    由於磁流體推進取消了傳統的螺旋槳推進系統中的螺旋槳、傳動軸、減速齒輪等轉動裝置，因此，它具有噪音小、布局靈活等優點。
  18. Abstract : in this article, the way of dynamics system dispensation in radio telecontrolling model plan is illustrated, and a comparative ananysis is given to the adjustment of the engine ' s compression rate as well as the performance of different - sized propellers, likewise, any other factors which affect the performance of the dynamics system capacity are also analized and disoussed

    文摘:本文論述了遙控模型飛機動力系統的調配方法，並對發動機壓縮比的調整和不同規格螺旋槳的性能進行了分析比較，對影響動力系統功率發揮的其他因素也進行了分析討論。
  19. Based on the theory of potential flow, steady lifting - surface theory and the potential based low - order surface panel methodi the mathematical models for predicting the performance of the hd propeller and mau propeller are respectively established in this paper, and the numerical calculations are also carried out

    本文首先基於勢流理論和定常螺旋槳的升力面理論，以及基於速度勢的低階面元法理論建立了滬東型（ hd ）螺旋槳和常規mau圖譜槳水動力性能預報的數學模型，並對其進行了數值分析。
  20. The traditional design method of propellers is calculating the surface of propeller from table of offsets, which is low - precision and time - consuming. the dynamic flow performance could n ' t be forecasted by this method

    傳統攪拌槳設計都仿照船用推進螺旋槳的圖譜設計法，查表計算，精度低、周期長，且無法預測槳的流體動力性能。
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