vortex time 中文意思是什麼

vortex time 解釋
渦旋時間
  • vortex : n. （pl. vortexes,-ti-ces ）1. 旋渦；旋風；旋卷行雲。2. 【物理學】渦旋；【航空】渦流；【動物；動物學】〈V-〉 單腸渦蟲的一屬。
  • time : n 1 時，時間，時日，歲月。2 時候，時刻；期間；時節，季節；〈常pl 〉時期，年代，時代； 〈the time ...
  1. Time - domain method for vortex - geophone ' s parameters test

    渦流檢波器參數測試的時域方法研究
  2. The paper analyzes the characteristic of aerodynamics with structure of helicopter propeller blade, dissertrates vortex theory and the theory about gliding air field which produce the power of helicopter propeller blade. at the same time it also deduce the method of computing the induced velocity produced by helicopter propeller blade with vortex theory. at last, an influcence to the spreading of sound is discussed

    並且將兩種定位演算法進行了比較，說明了優劣；結合直升機的結構分析了旋翼的空氣動力特性，論述了直升機旋翼產生拉力的滑流理論和渦流理論，結合渦流理論論述了直升機旋翼流場誘導速度的計算方法，在此基礎上分析了直升機旋翼流場對聲音傳播的影響。
  3. Wind vortex ( ? ) aunches a wind attack and simultaneously reduces enemy ' s resistance against wind, moment speed, and casting speed as well as draining their mp for a period of time

    風漩渦：風屬性魔法技能。附帶水之陷落以及降低對方移動速度，施法速度並且持續減mp一段時間。
  4. Wind vortex ( ? ) : launches a wind attack and simultaneously reduces enemy ' s resistance against wind, moment speed, and casting speed as well as draining their mp for a period of time

    風漩渦：風屬性魔法技能。附帶風之陷落以及降低對方移動速度，施法速度並且持續減mp一段時間。
  5. The results indicated that the generation of trailing - vortex of downstream adjacent vanes could be restrained effectively by upstream wake when the passing frequency and the amplitude of wake defect satisfy some conditions, associated with a significant enhancement of time - averaged aerodynamic performances : loss coefficient reducing 40. 2 % and the ratio of loading coefficient and loss coefficient increasing 93 %

    研究表明：滿足一定通過頻率和虧損幅值條件的尾跡能夠有效抑制下游相鄰葉排尾緣渦的生成，達到控制或是推遲附面層非定常分離的目的，從而使得流場時均性能大幅度的提高，損失系數降低了40 . 2 % ，功損比增加93 % 。
  6. Is earth in a vortex of space - time

    地球身處在一個時空的旋渦中嗎？
  7. With the simulated results of the high resolution of space - time, from the aspects of thermodynamic, dynamical, moist available energy and moist potential vorticity, the direct effect mesoscale system was analyzed to this weather process, including mesoscale low level jet, mesoscale vortex etc. meanwhile, its features and physical mechanism of the formation and development are further discussed to seek for some basis for deeper research and storm rainfall forecast

    運用高時空解析度的模式結果，從熱力、動力結構、濕有效能量和濕位渦等多個角度，著重分析討論了對這次天氣過程有直接影響的低空急流、中尺度低渦等中尺度系統，探討了影響這次天氣過程的中尺度系統的發生、發展特徵和物理機制，試圖為更進一步的研究和暴雨預報提供一些依據。
  8. At the same time, contour stream line, vortex, kinetic energy which are computed are important to investigate complex flow and turbulent flow

    同時得到其它的參數如渦量場、等流函數線、紊動能等，這些參數對復雜流動和湍流有重要的研究意義。
  9. The vortex thickness after two vortexes " pairing is two times of that of a single vortex kernel, and extends to three time of one vortex ' s thickness after three vortexes mix

    兩渦配對后的渦層厚度為單個展向渦核的2倍，三渦合併后近似為單個渦核的3倍。
  10. In this paper, the contents and the methods of the impacting test to the particle separator vortex blades by the foreign object are introduced, the ultra dynamic strain device is used to carry on the measure of this experiment and obtained the strain - time history, three dimensional coordinate measuring method is used to measure the remaining distortion of the vortex blade, and the high speed photographic apparatus is used to carry on the photography of the impacting experiment

    本文介紹了對粒子分離器渦流葉片進行外物撞擊試驗的內容和方法，採用超動態應變儀對外物撞擊試驗進行了測量，獲得了渦流葉片不同外物撞擊下的應變-時間歷程，採用三坐標法測量了外物撞擊后渦流葉片的殘余變形，並採用高速攝影儀對外物撞擊渦流葉片的全過程進行了拍攝。
  11. In the pseudo - time region, high efficient lu - sgs scheme was used in time - marching. cases with uniform or non - uniform inlet stagnation pressure and with or without tip - gap flow were studied. computed results showed that complex structure vortex appeared and secondary flow occurred in the flow of cascade with tip - gap

    對進口總壓均勻或總壓周向虧損（模擬上游尾跡） 、葉尖無間隙或有間隙等三種不同情況的流場計算結果，進行對比分析發現，流場中廣泛存在流動分離、分離渦以及二次流，這是引發非定常擾動的根源。
  12. 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。
  13. 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。
  14. 3 ) the upper air stream circumstances along with strong ssw event mainly was separated to three kinds : the northern advance of aleutian high pressure, the northern advance of north atlantic high pressure, the northern advance of aleutian high pressure and north atlantic high pressure at the same time. their final effect was to make polar region vortex collapse and to increase polar region temperature

    3 ）伴隨強ssw事件的高空環流形勢主要有3種：阿留申高壓北進，北大西洋高壓北進，北大西洋高壓和阿留申高壓共同北進，它們的最終效果是使極渦崩潰、極區增溫。
  15. The results of 10 sets of experiments suggest that in comparison with only one vortex, the intensity of the inward propagation of vorticity strengthens distinctly, vorticity detains in the inner region of typhoon circulation for a longer time, and the local maximum wind speed in the inner region increases clearly

    10組試驗的結果指出：與單渦條件相比，渦量內傳的強度顯著加強，渦量滯留在臺風內區的時間加長，內區局域最大風速增大的現象更加清楚。
  16. In the near field, the vortex pairs are gradually and periodically formed, and at the same time they migrate down stream under the self - induced velocity

    在作動器出口附近，旋渦對逐漸捲起並向下游推進，而且旋渦對是不連續的。
  17. People have done a lot of researches on mixing and displacement systems, but rarely been engaged in vortex ventilation. general study has not been made on it, especially on its effectiveness and subjective evaluation. for the first time, vortex ventilation is the clew throughout this study

    近年來科研工作者和工程技術人員對此進行了大量的有益的探索，但是往往偏重於混合、置換通風，旋流通風卻很少受到關注，尤其是旋流通風的實際效果及主觀評價，還沒有人做相關研究，目前尚缺乏對該種通風方式全面的認識。
  18. I setted up the physical modele and calculation - domain for the conviction heat transfer enchancement by the longitudinal vortex, and did the numerical value simulation for the chang of the velocity filed and temperature filed which influnced by lvg. at the same time, i studied the generation develepment of the longitudinal and its mechanism for the heat transfer enchancement. by the analycise of the result, i got the pricipium rule of how the size, ratio corner and distence of the lvg have influence on the generation and develepment of longitudinal vortex, and gave out the relative construct parameter scope

    通過對phoenics軟體進行應用開發，本文建立了渦旋強化換熱的物理模型和計算域，對擾流元作用下的流動速度場和溫度場的變化進行了數值模擬，研究了縱向渦旋發生發展及其強化對流換熱的機理。初步得出了擾流元的有關結構參數如總體尺寸、寬高比、攻角、間距等因素對渦流發生發展的影響規律，並給出了有關結構參數的取值范圍。
  19. Based on these parameters, the present work studies the transition of pipe flow with the different amplitude of psb disturbance. the present work simulates the whole time - space process of the transition from laminar to turbulence and secondary transition phenomenon in pipe flow for the first time. the main structure in pipe flow transition is hair - pin vortex ; the evolution of hair - pin vortex is related with the transition of pipe flow

    在這一組參數下，本文研究了不同擾動幅值的psb擾動作用下圓管流動的轉捩過程，首次給出圓管流動從層流轉捩到湍流的時空演化全過程，發現了圓管流動的二次轉捩現象，並進一步揭示了發卡渦是圓管流動轉捩中的主要結構，流動的轉捩過程與發卡渦的演化直接相關。
  20. In t his p aper r otating s tall a nd t he inlet v ortex in c entrifugal fans with inlet v ane control has been studied in laboratory. the harmonic wavelet is firstly used for time - frequency analysis and feature extraction of pulsation amplitude and frequency and development of rotating stall and inlet vortex. the development rule of rotating stall and inlet vortex and the effect to fans performance from the two has been found

    文中對採用入口導流器調節的離心通風機的旋轉失速和進口渦流問題進行了實驗研究，並藉助諧波小波對旋轉失速和進口渦流的頻率、幅值特性及動態過程進行了時頻分析和特徵提取，揭示了旋轉失速和進口渦流發展的規律及二者對風機性能的影響。
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