渦流帶 的英文怎麼說

中文拼音 [guōliúdài]
渦流帶 英文
vortex band
  • 渦 : 渦名詞1. （漩渦） eddy; whirlpool; vortex 2. （酒窩） dimple
  • 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...
  1. How often does severe clear air turbulence occur over tropical oceans

    熱帶海洋晴空發生強氣流渦動的頻率如何？
  2. By comparing the dry plate pressures drop and distributions of velocities simulated on single valve with those of double valves, it was found that there was intense turbulence in the flow fields around fixed - valve, there were eddy areas between valve side orifices and tray wall, there were eddies above the valves too, these led to the complex behaviors of gas perforating valve, these had a great effect on the gas - liquid mass transfer process. at the same time, in order to prevent the disadvantageous effect of gas between one valve with another on the gas - liquid mass transfer, it was very effective to change the fields of gas perforating valve by folding the edges of valve

    通過對數值模擬得出的單閥和雙閥塔板的干板壓降及流場速度分佈分析對比后發現，固定閥周圍流場存在較強的湍動，閥側孔與塔板壁面區域以及閥體的上方空間存在明顯的渦流區，使氣體穿閥后的行為變得復雜，並對氣液傳質過程產生重大影響；模擬結果表明，為防止和削弱固定閥間的對沖造成的「死區」對傳質帶來的不利影響，通過折邊來改變氣體的氣路是非常有效的，模擬值與實驗值基本得到吻合。
  3. As it vaporizes, tiny gas jets spin and tumble the ice shards across the surface of the water

    乾冰氣化時產生的小噴流帶動乾冰碎片在水面不斷旋轉翻滾，互相碰撞，產生一團團有多個分支的白霧旋渦。
  4. We can use the mm5 model in definite time, definite area weather forecasting. we conclude that : : the moving route of this necw in its developing progress was direct - south along latitude, the cold air is rough, and just this made the rough vertical velocity ; the necw southern moving and conflicting with the west pacification sub - tropical high makes rough jet steam. the plenty south - west warm and wet air made by the jet stream gave the rainstorm demanded vapor ;. the rough vertical velocity by jet stream is a main reason in this rainstorm ; the mm5 model uses four - direction analysis data as its input, this avoids some errors occurred in observe and transfer, thus made the result more useful

    綜合分析認為： （ 1 ） 、這次冷渦在其發生發展過程中，其移動路徑是沿經圈直線南壓，攜帶的冷空氣勢力較強，形成槽后較強的垂直運動； （ 2 ） 、西太平洋副熱帶高壓偏北位置與東北冷渦南壓形成的急流軸，把源源不斷的西南暖濕氣流輸送到遼西地區，也就是急流軸的左前方位置，為這次暴雨的產生提供了充足的水汽來源； （ 3 ） 、低空急流不但為暴雨輸送水汽，其造成的較強的垂直環流也是產生強降水的一個主要原因； （ 4 ） 、 mm5模式以四維同化資料作為初始場，最大限度地避免了觀測誤差可能造成的積分不穩定，提高了模擬結果的參考價值。
  5. ( 3 ) the polar eddy, the west circumfluence on 500hpa medium latitudinal region ands subtropic circumfluence are the key systems of tpnes floods precipitation and, the wet years have abundant vapor, moreover, the omga is positive in all atmosphere

    （ 3 ）極渦、中高緯西風環流系統和副熱帶系統是影響青藏高原東北側區汛期降水的大尺度環流背景關鍵系統。同時，多雨年的主要流場特點是有利於水汽輸送，且整層大氣始終表現為上升運動。
  6. K - l les of shallow - water turbulent flow in open channels with a vegetated domain

    帶有植物的河道水流淺水紊流運動大渦模擬
  7. The earth ' s rotation, through the coriolis effect, deflects rising fluids inside the earth ' s core the same way it twists ocean currents and tropical storms into the familiar spirals we see in weather satellite images

    地球自轉造成科氏力效應，會使地核內上升的流體偏向，就像造成洋流及熱帶風暴被扭轉成在氣象衛星影像中常見的漩渦狀那樣。
  8. In addition, the vortex structures of the gas flow field and particle dispersion were studied when the coupling action between the two phases was considered in the case of different mass loading of mediate stokes number particles was provided in the gas - particle plane jet

    另外，文中還模擬研究了氣粒兩相平面射流中不同質量攜帶率下中等stokes數顆粒與氣相流場的相間耦合作用下氣相流場的旋渦擬序結構以及顆粒運動擴散規律。
  9. As it vaporizes, tiny gas jets spin and tumble the ice shards across the surface of the water. during their brief lifetimes, the dry ice shards collide and spin a multi - armed vortex of white mist

    乾冰氣化時產生的小噴流帶動乾冰碎片在水面不斷旋轉翻滾，互相碰撞，產生一團團有多個分支的白霧旋渦。
  10. Using a " vortex intake " device, the underground drainage system has the dual benefit of relieving storm flow in downstream urban areas in districts such as western and kennedy town, and avoiding the difficulty of constructing or enlarging drains and culverts in urban areas and the resultant disruption to traffic that may ensue. the " vortex intake " project is a significant piece of hku s research achievements, and exemplifies the collaboration between academia, industry and government

    漩渦進水口的水力工程，不單可以紓緩西區及堅尼地城一帶于暴雨時，因大量急湍的水流往下沖而造成水浸及危險的問題，還避免了在市區興建或擴建排水道及暗渠的工程；在鬧市中進行此類工程十分困難及費時，並且一定會阻礙交通，帶來不便。
  11. A deep, round hole worn in rock by loose stones whirling in strong rapids or waterfalls

    鍋穴，壺穴巖石上深深的圓洞，由於急流或瀑布的水渦帶動疏鬆的石塊旋轉而成
  12. In light of the limitation of fast fourier transform ( fft ) for the method of traditional spectrum analysis to analyze the unsteady signal, wavelet and wavelet analysis are made for the typical unsteady process signal of starting up and shut down with the good characteristic of simultaneous localization in both the time and the frequency domains based on the field test on the vibration of two - row placed units in lijiaxia hydropower station, in which the signal is decomposed into different frequency band, and then the weak signal is caught and the dominant frequency is picked up for the analysis of the vibration source

    摘要基於李家峽水電站雙排機組振動的現場試驗研究，並且針對傳統頻譜分析方法傅立葉變換（ fft ）對于非平穩信號已力不從心這一缺陷，利用小波分析方法在時域和頻域上同時具有良好的局部化性質，通過對開停機這一典型非平穩過程信號進行小波及小波包分析，將其分解到不同頻帶內，獲取微弱信息和提取優勢頻率，並對其作振源分析，得出開停機初始時刻因水流不穩均出現強烈的振動現象，且低頻段信號能量最大，開停機過程水流脈動壓力和尾水渦帶擺動是引起定子基礎振動的主要原因。
  13. The transient cfd simulation including the spiral case, stay vane, guide vane, runner vane and draft tube at different operation points is studied fitly, then the result of the pressure distribution on runner blade is provided for the runner transient structural simulation by fluid - structure interaction ( fsi ) method

    文中首先對高水頭小負荷的渦帶工況下混流式水輪機內流場進行非定常cfd計算，得到渦帶工況下葉片表面不同時刻的水壓力載荷，並利用流固耦合方法對轉輪進行結構場瞬態特性計算，分析轉輪葉片的動應力特性。
  14. For shelters, the results show : 1 ) to reduce the raining drops entering into the inlet and to decrease the influence of the vortex, the declining angle of 45 is recommended for the shelters ; 2 ) it is better to choose those shelters which are longer 100 mm ~ 200 mm than the height of the inlets, as they may protect the room from rain

    對于單側百葉風口的擋雨板，計算表明: 1 ）為了防止雨水隨空氣流入自然進風口，並且使風口盡量少受渦流區的影響，建議選用傾斜角度為45 「的擋雨板; 2 ）建議選用長度比風口高度長100mm - - 200 「的擋雨板，可以較好的避免擋雨板過短將雨水帶入室內和過長影響風口進風的情況。
  15. Based on the electromagnetic theories, this dissertation presents an analytical method to analyze the el ectromagnetic field caused by the solenoid coil with ferrite core that is popularly used in eddy - current non - destructing test ( not )

    本論文從電磁場理論出發，應用解析方法分析了渦流無損檢測用帶磁芯的放置式線圈的阻抗，並利用數值方法和實驗驗證了分析結果。
  16. The simulations results show that the spoiler is available to make the fuel and the oxidizer coming from the former to stay in the cavity for a long time, to let the fuel and oxidizer mix and burn completely. since there is a high temperature zone forming by vortex in the middle of the motor, it required a restricted thermal protection. the plate with holes decreased the vortex function in the cavity, which could not promote the combustion efficiency, but to decrease temperature in the cavity and be benefit to thermal protection of the wall

    計算結果分析表明:擾流板可以使燃料和氧化劑在擾流腔內的滯留時間加長，促進燃料與氧化劑的摻混燃燒，提高燃燒效率，但由於渦流在發動機的中間部位形成了高溫燃燒區域，致使局部燃料和絕熱層燒蝕速率增大，加大了熱防護的難度;孔板結構減弱了擾流腔內迴流區的漩流作用，不能增加推進劑燃燒效率，但可以使擾流腔內的溫度降低，給壁面熱防護帶來好處。
  17. The particle separator ( ips ) is a special device of helicopter used for the purification of the entrance air and the protection of the engine. the vortex blade of the particle separator will be damaged if impacted by the foreign object for a long time, thus the separation efficiency of the particle separator and the safety of the engine will be affected

    粒子分離器是直升機上用來對發動機進行進氣凈化和防護的一種專門裝置，外來物的撞擊會對粒子分離器的渦流葉片造成損傷，影響粒子分離器的分離效率，從而對發動機安全帶來影響。
  18. The two wall jets collide with each other and turn upward to form an upwash fountain which increases the lift force of the upper plate

    包圍在噴射流與噴泉流附近的流體會被其帶入而在周圍形成數個渦流。
  19. A continuous on - line monitor for volume deformation of cement - based material under multi - environment has been developed, which is designed with the environmental simulation technology, micro - distance measuring technology of laser and eddy current and the transmission agent and then realizes the automatic non - contact monitoring of the deformation of multi - group samples under multi - environment, furthermore, it is suitable to test the early - age deformation of the samples with the moulds self - designed

    摘要開發出一種多環境下水泥基材料體積變形在線監測儀，本儀器採用環境模擬技術，激光、電渦流測微技術及傳動系統，實現在多環境下，對多組試件進行非接觸式變形自動化監測，並利用自行設計的模具，可對試樣進行帶模測試使其適合早期體積變形測試。
  20. The method for electrical conductivity measurement of copper and copper alloy strip by use of eddy current

    銅及銅合金帶材導電率的渦流測試方法
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