disturbance flow 中文意思是什麼

disturbance flow 解釋
擾動流
  • disturbance : n. 1. 動亂，變亂，騷亂。2. 煩悶；（心情）紛亂；（身心）失調。3. 【無線電】干擾；【氣象學】擾動；【地質學；地理學】（地殼的）局部運動。4. 【法律】侵犯（權利），妨害（治安）。
  • flow : vi 1 流，流動。2 （血液等）流通，循環。3 流過；川流不息；（時間）飛逝；（言語等）流暢。4 （衣服、...
  1. Disturbance of plane viscous flow and hamiltonian system

    平面粘性流體擾動與哈密頓體系
  2. Wet and dry numerical simulation tests for explosive cyclone over western pacific were performed. by contrast the results show that : tropopause and constant temperature surface were raised by latent heat release in upper level and disturbance trough was produced because air flow ascended and became cold. owing to this process adaption, inertial instability emergenced

    對氣旋強烈爆發的過程進行干濕對比數值模擬試驗，得出：潛熱釋放使對流層項和等溫面抬高，氣流在高層的上升冷卻形成擾動槽，其適應過程使高層出現慣性不穩定。
  3. Firstly, a representative wind and wave model, which could both simulate the main characteristics of wig over sea waves and be suitable for numerical calculation, is presented. the model completely considers the fully nonlinear effect of wave surface on the wavy air flow, separates the disturbance of wave surface from the wing - air wave interaction flow, and overcomes the numerical calculation difficulties due to the large difference of dimensions between wing and water waves

    首先針對機翼在風浪中的非定常非線性氣動力問題，提出了一個既能夠反映風浪場主要特徵又適合於數值計算的風浪場模型，該模型完整地考慮了波浪表面對氣流場的全非線性影響，使波面對流場的擾動分離出來，消除了機翼和波浪幾何尺度上的巨大差異帶來的數值計算上的困難。
  4. The mechanism of active flow direction control is the microjet ' s microscale disturbance coupling with the macroscale ' s flow through collective interaction

    作為一種全新的流場主動控制手段，微射流是通過其微尺度擾動同宏觀大尺度流動的整體耦合作用達到控制宏觀流動的目的。
  5. According to characteristics of the seismic data from the low snr region with complex surface, this paper is started from solving the static correction problem and reasonable eliminating all kinds of disturbance in the seismic data from the low snr region with complex surface. through the whole process of seismic data processing which includes a series of processing methods that are suitable for the low snr region, namely, from the choosing of the floating base - level, the static correction in the field and indoors, the eliminating of all kinds of noise before and after stacking, the velocity analysis with high - resolution, the reasonable techniques of deconvolution before stacking and wavelet processing after stacking, to the method choosing of the high - resolution stacking and the reasonable and accurate offset imaging, a set of the complete and effective flow for processing seismic data from the low snr region with complex surface are finally formed, which can meet the need of explo

    本文針對復雜地表低信噪比地區地震資料的特點，以解決復雜地表低信噪比地區地震資料靜校正問題及合理剔除各類干擾為出發點，在整個地震資料處理過程中，從浮動基準面的選取、野外及室內靜校正、疊前疊后各類噪音的去除、高精度速度分析、合理的疊前反褶積及疊后子波處理技術、到選用高精度的疊加技術及合理準確的偏移成像方法等一系列適合於復雜地表低信噪比地區的處理方法，最終形成一套較完整且有效的針對復雜地表低信噪比地區地震資料的處理流程。
  6. Using an ideal two - dimensional mhd model, this paper investigates the evolution of a pure flow velocity enhancement disturbance in the solar wind in the heliospheric equatorial plane ( 2 - d, 2 - component model ) and the heliospheric meridional plane ( 2 - d, 3 - component model )

    摘要採用二維理想mhd模型，分別在日球赤道面（二維二分量模型）和日球子午面（二維三分量模型）內研究太陽風中純速度增幅擾動的演化。
  7. The last ten years of 20th century, disturbance and crisis emerged one after another in international field ; present international monetary system is facing great challenge. heart of the contradiction is shown as the attack of international capital flow to a country ' s monetary and exchange rate regime

    二十世紀的最後二十年，國際金融領域風波迭起，危機頻仍，現行的國際貨幣體系面臨著前所未有的挑戰；而矛盾的核心突出表現在國際資本流動特別是國際投機資本對一國貨幣、匯率制度的沖擊問題。
  8. Following such a disturbance, it is theoretically possible for the dynamo to reconstitute itself with an opposite direction of current flow

    在這擾動之後，對發電機來說，重新組建一個流動方向相反的發電機在理論上是可能的。
  9. The ecosystem health of wetland is that substance recycle and energy flow are not destroyed, elasticity and stability are retained ; system can fight against disturbance of nature and people, function of which is various

    濕地生態系統健康是指系統內部的物質循環和能量流動保持正常狀態，系統對長期或突發的自然或人為擾動能保持彈性和穩定性，整體功能表現出多樣性。
  10. Characteristics of void fraction wave in horizontal bubbly flow with forced disturbance

    水平管泡狀流強制擾動下的空隙波特性
  11. When increase the amplitude of the weak psb disturbance, slug structure is formed in pipe flow firstly, this is the first transition

    當加大psb弱擾動的幅值后，流動中首先出現塞流結構，即第一次轉捩。
  12. Under the influence of the submergence the turbulence intensity are quite high at the end stage of burning. however, the turbulence intensity decreases obviously at the medium stage and the preliminary stage of burning because the flow disturbance is eliminated by the mixture of injection flow and main flow

    受噴管潛入的影響，結束時刻流場的湍流脈動非常強烈，而中間時刻和初始時刻，由於加質流與主流的強迫混合可以消除氣流擾動向下游的傳播和擴展，流場的湍流脈動明顯減弱。
  13. While slug structure is leaving from computing domain, the successive disturbance develop in downstream direction, the legs of hair - pin vortex approach the wall continuously and induce vortex structures near the wall. the evolution of this near - wall vortex structures brings the secondary transition to turbulence in the pipe flow

    隨著塞流結構流出計算域，后繼擾動向下游繼續發展，表現為發卡渦的渦腳向壁面不斷貼近，進而誘發近壁渦結構，近壁渦結構的進一步演化促使圓管流動出現二次轉捩，發展到了湍流階段。
  14. Utilizing the disturbance of micro - flow to realize the control on the main flow is an important method of flow control, especially for adaptive wing boundary layer control

    利用微流場的擾動來實現對主流場的控制一直是流場控制的一種重要方法，尤其是在對自適應機翼的邊緣層控制中。
  15. 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。
  16. The reynolds number of the flow is 3000. the circumferential wave number of psb disturbance is 1. the frequency of disturbance is 0. 5

    本文計算中流動的雷諾數選定為3000 ， psb擾動的周向波數選定為1 ，擾動頻率選定為0 . 5 ，擾動寬度選定為。
  17. Both the guide vane opening and blade opening of a hydropower generating unit can be separately regulated during disturbance according to the optimal regulation laws thus obtained to optimize the transient process of water flow

    它可以使得在擾動下水輪發電機組的導葉與漿葉的位置按照各自的優化控制規律進行調整，從而使水力過渡過程達到優化。
  18. The present work is carried out by direct numerical simulation ( dns ), the non - linear navier - stokes equation is formulated in terms of spectral method with fringe method. the objective of present work is to explore the spatial and temporal evolution of pipe flow with the disturbance imposed on the pipe wall in the form of periodic suction and blowing ( psb )

    本文使用直接數值模擬（ dns ）方法，通過譜方法結合嵌邊法求解非線性的navier - stokes方程，來研究由圓管壁面引入的周期性吹吸（ psb ）擾動作用下，圓管流動沿流向的空間演化規律及其相應的時間演化過程。
  19. Abstract : concerning the models for discribing aerodynamic stability of axial flow compressor, the original model is one - dimensional, and it is reasonable for the onset of surge only. for the onset of rotating stall, there are just some two - dimensional models at published literatures. a three - dimensional aerodynamic of compressor has been presented in this paper. an aerodynamic stability model concerning radial disturbance of compressor is presented. the calculated results show that the occurrence of radial disturbance is related to the axial velocity disturbance, which has important effect on aerodynamic stability of compressor. the position of onset of stall, in blade tip or hub, is dependent upon the characteristics of blade element. the comparisons of calculated results predicted by 2d and 3d aerodynamic stability model have also been made in this paper

    文摘:軸流壓氣機的氣動穩定性模型，最初為一維模型，僅適用於描述喘振發作.對于旋轉失速發作，在公開文獻中有一些二維模型發表.本文提出了一類考慮壓氣機徑向擾動對失速影響的新的氣動穩定性模型.計算結果表明壓氣機的軸向擾動往往隨著徑向擾動的產生，徑向擾動的強度影響壓氣機的氣動穩定性，在葉尖還是葉根首先產生失速與壓氣機基元葉柵特性密切相關.本文對軸流壓氣機二維和三維氣動穩定性模型的計算結果進行了對比分析
  20. Concerning the models for discribing aerodynamic stability of axial flow compressor, the original model is one - dimensional, and it is reasonable for the onset of surge only. for the onset of rotating stall, there are just some two - dimensional models at published literatures. a three - dimensional aerodynamic of compressor has been presented in this paper. an aerodynamic stability model concerning radial disturbance of compressor is presented. the calculated results show that the occurrence of radial disturbance is related to the axial velocity disturbance, which has important effect on aerodynamic stability of compressor. the position of onset of stall, in blade tip or hub, is dependent upon the characteristics of blade element. the comparisons of calculated results predicted by 2d and 3d aerodynamic stability model have also been made in this paper

    軸流壓氣機的氣動穩定性模型，最初為一維模型，僅適用於描述喘振發作.對于旋轉失速發作，在公開文獻中有一些二維模型發表.本文提出了一類考慮壓氣機徑向擾動對失速影響的新的氣動穩定性模型.計算結果表明壓氣機的軸向擾動往往隨著徑向擾動的產生，徑向擾動的強度影響壓氣機的氣動穩定性，在葉尖還是葉根首先產生失速與壓氣機基元葉柵特性密切相關.本文對軸流壓氣機二維和三維氣動穩定性模型的計算結果進行了對比分析
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