螺旋轉速 的英文怎麼說

中文拼音 [luóxuánzhuǎn]
螺旋轉速 英文
revolution speed of screw
  • : 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...
  • : 轉構詞成分。
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • 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...
  • 轉速 : speed; revolution; rotation rate; speed of revolution; rotating speed; rotational speed轉速指示器...
  1. This twin screw extruder has the feature of one - side circumgyrate , it ' s an ideal equipment for the small - scale factory who produce powder

    該擠出機是同向高桿結構,是用於多種組份物料經一定的溫度在熱狀態下達到最佳的理想效果,適應小型企業生產粉末的理想設備。
  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 、根據流體力學理論,建立了槳推進器的動態模型,它以槳來流度v _ p和n為狀態變量,以電機施加矩為輸入,槳推力t和矩q為輸出。
  3. The rotating cylinder with spiral grooves acts as a speed selector.

    切口的圓筒作為率篩選器。
  4. Rech. flexible shafts for controlling tachometers, propellor regulators, etc.

    操縱計和漿調器等用撓性軸
  5. 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槳推力和矩,是分析各種推進效率成分的重要手段。
  6. Energy losses leading to a decrease in head are also done away with, likewise losses in flow rate from the screening installations, both of which can have a detrimental effect on the efficiency of the facility. the constructional effort required for a hydrodynamic screw is small compared to that required for a turbine. if the compact version of a hydrodynamic screw hydrodynamic screw trough power take - off unit combined as a single unit is used, the constructional effort can be further reduced

    水力機技術的優點有:無需監控系統,可自行調節水體供給和供給頻率運行效率高於水輪機和小型渦輪機效率梯度平穩低20rpm - 80rpm ,運行穩定防磨損無需定期清潔,易維護對河道湖泊里的魚蝦無損害基礎工事少,安裝簡便無堵塞,無需隔欄裝置能量利用充分等。
  7. The paper analyses the particle radial separating speed in inertia field and the dropping speed in the gravity field, determines the relations among the separating critical diameter, the rotate speed of screw, airflow speed and the radial size of separating interface, establishes and work out the separating diameter which value the separating effect of the new equipment

    根據物料的空氣阻力與離心分離理論分析了離心力場中粒子徑向分離度及重力場中的粒子沉降度,確定分離臨界粒徑與螺旋轉速、氣流度及分離界面徑向尺寸等之間的關系建立了並求出了衡量此種新機型氣固二相流分離效果的衡量指標? ?分離粒徑。
  8. Non - rotating stem with precision acme threads and burnished finish. double acme for faster operation

    的閥桿具有精密的梯形紋和拋光光潔度。雙梯形紋使得操作更加快
  9. The hot gas produced expands rapidly to turn a turbine, which turns a coil inside a magnet to generate electricity

    它們產生出來的熱氣體迅膨脹以推動引擎,這一動力促使一塊磁石里的一發電。
  10. 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,同時在理論上對低矩高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槳,為後面繼續研究工作提供了參考。
  11. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和分析了一個世紀以來有關曲線管道流動和換熱特性的研究成果的基礎上,以正交曲線坐標系統下的多參數管道中的對流傳熱為物理模型,通過攝動方法和有限體積法,首次對各種截面(圓截面、橢圓截面、環形截面、矩形截面)曲線管道內充分發展流動的流動結構和傳熱特性(包括耦合對流傳熱特性)以及曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析,詳細討論了各種無量綱參數對管道內軸向度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響,獲得了若干創新性成果。
  12. The phenomena of initial disturbance vorticity translating into spiral bands is most evidently for it locating at the periphery of radius of maximum wind ( rmw ), near rmw next and the spiral bands vanish when it is positioned in the inner core region. indicating that the farther the distance from the tc center, the more distinctly the spiral bands and the opposite is true

    初始圓形擾動渦度場化為臂渦量帶的現象是初始擾動位於渦最大風半徑( rmw )外圍最顯著,其次是rmw附近,當擾動位於渦內核區時幾乎沒有臂結構形態出現,表明,初始擾動離tc中心越遠,其強迫渦rossby波形成的帶結構越明顯,反之越弱。
  13. The desired output information was a measure of slew-rate or angular-velocity input and not position.

    所要求的陀輸出是率或角度輸入的量度,而不是位置的量度。
  14. The propeller may be overloaded which caused by some reasons when ship has been serviced for a period of time. as a result, the rated revolution of the engine cannot be achieved, or the engine may be on overloaded operation condition. it will not be in the optimum matching between the propeller and the engine

    船舶在使用過程中,常因各種因素使槳出現負荷過「重」的現象,主機達不到額定或超負荷運,槳機不能處于最佳匹配;另外當船舶人為地降航行時,主機處在半負荷情況下工作,如果下降太多,使得主機的工作條件變壞,容易引起主機部件的損壞。
  15. Analysis software. the analysis show : the gyroscope effect to the flywheel rotor ' s and the shaft ' s vibration character under high rotate speed should be considered. at this time, the system ' s normal frequency is the function of rotate speed ; the amplitude passing through the resonance field can be lowered obviously by improving the effective damping of the electro - magnetic bearing

    建立了高狀態下,採用磁軸承作支撐的飛輪子和軸的動力學模型,給出了有限元法在此問題中的具體應用,並利用i - deas有限元分析軟體具體分析了飛輪系統的共振頻率、系統振型,以及對偏心激勵的響應,分析表明:對于高的飛輪子和軸,應考慮陀效應對其動力學特性的影響,此時系統的固有頻率是的函數;通過提高磁軸承的等效阻尼可顯著降低系統通過共振區域時的振幅。
  16. To explore why the ratio of collectable wort extract is higher than that of non - extruded, the influences of all parameters of rice extrusion system ( barrel temperature, material moisture, screw speed ) on resistant starch content of extuded rice were studied by using second - order quadratic orthogonal rotating combination design method

    摘要為探索擠壓蒸煮大米啤酒輔料麥汁浸出物收得率高於傳統不擠壓蒸煮啤酒輔料收得率的原因,用二次正交組合試驗法設計安排試驗,研究了大米擠壓蒸煮系統諸參數(套筒溫度、物料含水量、)對大米抗性澱粉含量的影響規律。
  17. 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,由度位置誤差獲得期望推力,再通過求解包括來流度的二次方程得到期望
  18. Our factory increase a set of intensifier with non - grade - adjustable rating speed to form the intensive air drying, the wet material mixed with hot air fully by screw feeder in the intensifier and material surface is crashed into fine granules and moving to the outlet as well as drying, under rapid rotating hitting and pushing. in the long run, the materials get a further even drying in the dryer pulled by the wind force and those wet and weighty granules the wind force can not pull continue to be crashed, dried until they are pulled by the wind force into the dryer

    我廠強化型氣流乾燥是在基本型上增加一套可以無級調節的強化器組成,濕物料通過加料器進入強化器后和熱氣流充分混合,在飛的擊刀擊碎和推進下,物料被破碎成細顆粒,在乾燥同時向出口移動,最後在風力吸引下進入乾燥管,進一步均勻乾燥,風力無法吸引的濕重顆粒繼續被擊碎、乾燥、直至能被風吸起進入乾燥管。
  19. The influence of operating parameters, such as pump rotation speed, suction pressure and gas content, on the performance of a multiphase rotordynamic pump is investigated

    用多相泵試驗臺架測試了泵、氣體進口壓力和含氣率等操作參數對軸流式多相泵輸送性能的影響。
  20. Characters of the flow field of molten metal in mhd caster are s imulated and analyzed by means of numerical simulation. relationship between flow field of molten metal and the number of magnet poles, arrangement of magnet pole s, rotating velocity of magnetic field as well as helical arrangement of permanen t magnets is revealed. it can be used as reference for optimizing design of perma nent caster

    利用數值模擬對不同磁場條件下的永磁鑄機金屬液流場特徵進行了模擬分析;揭示了金屬液流場與永磁體極數、磁極排布方式、磁場率以及永磁體式排布之間的關系,為永磁鑄機的優化設計提供了參考依據。
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