無擾流體 的英文怎麼說

中文拼音 [wúrǎoliútǐ]
無擾流體 英文
indisturbed fluid
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 擾 : Ⅰ動詞1 （擾亂; 攪擾） harass; trouble 2 （客套話 因受人款待而表示客氣） trespass on sb s hospital...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 體 : 體構詞成分。
  • 流體 : [物理學] fluid; fluor流體力學 fluid mechanics; hydromechanics; 流體生物學 hydrobiology; 流體運動學 hydrokinematics
  1. The main features of the apparatus are focus on small volume, light weight, no iron core, no magnetic saturation and no ferreous resonance, moreover, related advantages such as the large range of transient and frequency response, excellent electrical magnetic compatibility, oil - free configuration, reliable insulation structure, are all the trends of current transformer in the future. meanwhile, it should agree with the future power gauge and digital, computer, automatic relay protection. it will meet the demand of digital power network

    它具有體積小、重量輕；無鐵芯、不存在磁飽和與鐵磁諧振問題；動態響應范圍大，頻率響應寬；抗電磁干擾性能強；無油化結構、絕緣可靠、價格低等優點；是未來電流互感器發展的方向，是新一代電力數字網發展的需要，適應電力計量和保護數字化、微機化和自動化發展的潮流。
  2. The shm ( single hole microblowing ) as a new perturbation active control technique has been applied to the slender body with different model noses at zero sideslip and high angle of attack

    摘要在亞臨界流動范圍內，對具有不同頭部形狀的尖拱形細長旋成體在無側滑大迎角下進行單孔位微吹氣擾動控制實驗。
  3. Without spinning or attack angle, the three dimensional interaction flowfield over projectile with lateral jets is numerically simulated successfully, and unified interaction flowfield with lateral jets and base bleed is also calculated

    在無旋轉、無攻角條件下完成了彈丸側噴三維干擾湍流流場數值模擬，並完成了彈丸底噴流-側噴流共同干擾流場的一體化計算。
  4. Firstly, the mechanism of self - excited oscillation was introduced. when the water jets from the inlet nozzle flows into the chamber, the momentum exchange between the jet and the liquid in the chamber occurs, thus to form an unstable shearing layer with certain thickness

    這是一種嶄新的強化換熱技術，流體脈動能夠造成換熱器全程的換熱強化，而且自激振蕩脈沖射流強化換熱技術本身是一種無功強化的方法，無需輸入外部能量來產生擾動。
  5. A mathematical model, computational method and some experimental results are presented for the hydrodynamic interacting forces and moments between two 3 - d bodies moving in an unbounded water domain. this work is stimulated by a study of the hydrodynamic interactions when a uuv approaching to a parent submarine

    本論文給出了水下雙體運動流體動力干擾的數學模型、計算方法和試驗結果，目的在於研究水下無人平臺（ uuv ）接近母潛艇時的水動力干擾及其規律。
  6. We also select the microchip pic16f877 made by microchip co. ltd as a control chip to realize micro - computer control. this system use three separate channel to find out the " across the zero point " of each back - emf. the program use digital filter to wipe off the pwm interferences and the commutating interferences

    系統中採用三個獨立通道分別檢測無刷電機三相繞組的反電勢的各自過零點，同時在軟體中採用數字濾波以消除其它噪聲干擾，使檢測電路檢測到的反電勢過零點更加準確可靠，實現了對五位置傳感器直流無刷電機的數字控制。
  7. This system based on optical effects is greatly superior to the traditional electromagnetic pt, ct in the following aspects : electric insulation of the low voltage side from the high voltage side through optic fiber, no electrical connection and electromagnetic interference in signal transmission, avoidance of magnetic saturation, small in volume and light in weight. it has a prospective future in the electric power system

    基於光學原理的光纖電流、電壓傳感器較傳統的電磁式pt 、 ct具有明顯的優勢：高、低壓側通過光纖隔離使得信號傳輸既無電氣連接又無電磁干擾，絕緣能力強且無磁飽和問題，體積小重量輕，在電力系統有較好的應用前景。
  8. The use of mpeg - 2 aac compression and multiplex technologies makes it possible to transmit signals through satellite, terrestrial and mobile means. as a unique feature, isdb permits user to receive a low - resolution edition in favour of better mobile reception. in an interference - free environment, viewers may choose to receive a high - resolution edition for better picture and sound quality

    它使用以mpeg - 2aac壓縮編碼與多工技術，可以透過衛星、有線與地面無線等不同傳輸媒體播送； isdb有一個較其它系統獨特的功能，就是聽眾可以選擇接收低解像度的訊號，來換取良好的流動接收效果，而在無干擾情況下，又可以選擇接收高解像度的訊號，來享受高質的視聽效果。
  9. All models can predict the attached and little separation flows. for the high angle - of - attack separated flows with distinct history effects, the j - k and k - g models perform better than b - l model. for multi - body and multi - block mesh system, model k - g, which does not need the distance normal - to - wall, performs much better adaptability for complex geometries

    所有模型都可以很好地模擬附體及和小分離流動;對于具有明顯上游歷程效應的大迎角分離流動， j一k和k - s模型的模擬能力較強;對于多體干擾和多塊網格系統， k - s模型無需計算網格單元至物面的垂直距離，具有較強的適應能力，且計算效果最佳。
  10. The team showed how these fields could be manipulated to flow around objects like a fluid, returning undisturbed to their original paths

    該小組演示了如何對這些場施行控制，使其像流體一樣繞物體流過，無擾動地回到其最初的路徑。
  11. In the system, control unit accomplishes back - emf zero - crossing information reading and closed loop commutation. the system eliminates the pwm interferences and the commutating interferences by filtering with software algorithm. in order to make the bldc commutate exactly, the method of three - point estimation is used for phase locking in the system. the system also accomplishes several important objects, such as tmppt of photovoltaic arrays, unmanned supervision of the system, fault detection etc. the results of the experiment show that the device, which is made on the base of the principle above, can control the motor to complete the exact commutation

    系統以motorola單片機jl3為核心，完成了系統外圍硬體電路和控制軟體設計，實現了直流無刷電機反電勢過零檢測，利用軟體濾波的方式消除了pwm波干擾及換相干擾；採用三點預估演算法，進行相位鎖定，以完成直流無刷電機準確換相；同時實現了光伏陣列工作點的tmppt跟蹤、系統無人監控和故障檢測等功能。
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