螺旋槳型 的英文怎麼說

中文拼音 [luóxuánjiǎngxíng]
螺旋槳型 英文
propeller-type
  • : 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
  • 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

    類飛機的適航噪聲驗證測量方法
  2. Code for propeller cavitation tests in uniform flow carried out in cavitation tunnel

    空泡水筒均流中試驗規程
  3. 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。
  4. 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,建立了推進器的動態模,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,推力t和轉矩q為輸出。
  5. The propeller turns a small d. c. generator.

    帶動一個小直流發電機。
  6. Research on design of testing equipment for lager - scale marine propeller static equilibrium

    船用靜平衡檢測裝置設計研究
  7. 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,引擎動力飛機,電動飛機,噴射飛機以及和各種飛機模配件。
  8. 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,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,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。
  9. 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,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。
  10. 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,經實例設計和模試驗及實船的應用,該設計系統是可靠且有效的。
  11. < uk > the configuration has two tractor propellers, full - span double slotted flaps deflected 45, and a high tail. < / uk >

    < uk >實驗模有二兩拉力,全翼展雙縫襟翼偏轉45 ,並有高置的水平尾翼。 < / uk >
  12. The configuration has two tractor propellers, full-span double slotted flaps deflected 45°, and a high tail.

    實驗模有二兩拉力,全翼展雙縫襟翼偏轉45,並有高置的水平尾翼。
  13. 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,通過計算機模擬,驗證了數學模的正確性,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,為後面繼續研究工作提供了參考。
  14. 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。
  15. 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力的數學模進行了改進,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得到的結果能較好的反應實測的動態軸向水推力。
  16. Comparisons also made among the calculated data of above two methods for the pressure distribution on blade section of the hd propeller and mau propeller, the results shown that the pressure distribution of the hd propeller is much uniform than the those of mau propeller

    兩種理論預報的滬東( hd )和mau圖譜的葉切面壓力分佈比較,結果表明,滬東( hd )葉切面的壓力分佈較mau圖譜均勻。
  17. 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

    摘要針對飛機模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。
  18. This dissertation makes detailed research on the characteristics of high resolution range profiles ( hrrps ). according to the scattering center model theory, the aspect sensitivity of hrrps, its relationship with other factors and its evaluation methods are analyzed in detail. a method to improve aspect stability of hrrps is proposed

    本文詳細研究了高分辨距離像的特性,基於目標散射點模,分析了一維距離像的方向敏感性,以及它與各種因素的關系和它的度量方法,並提出了提高其方向穩定性的方法;同時,專門討論了飛機的一些特性。
  19. 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轉速。
  20. The method of open water test for a model propeller

    敞水試驗方法
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