流擾動 的英文怎麼說

中文拼音 [liúrǎodòng]
流擾動 英文
flow disturbance
  • 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...
  • 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...
  • 擾動 : excitation; turbulent motion; turbulence; destabilization; [物理學] perturbation motion; [地質學]...
  1. Numerous and extensive eddy cavities retard the turbulent mixing process.

    多而大的渦流區延遲了擾動的混合過程。
  2. A perturbation in pressure at the upstream end of the feed system could result in sizable oscillations in flow rate and chamber pressure.

    供應系統上游端的壓力擾動可導致相當的流量和室壓振蕩。
  3. The major work is as follows : solution of two dimensional radiation or diffraction fluid field. this thesis extends multipole expansion method to adapt to disturbed fluid fields of 2d floating bodies with asymmetric forms, which is applied with symmetric forms originally. and given the solution of potential velocity and hydrodynamic pressure of radiation and diffraction fluid fields, which is incited by a 2d arbitrary form, actual application field of the multipole expansion method has been enlarged

    關於二維擾動流場的求解：將通常僅適宜求解具有對稱形狀二維物體擾動流場的多極展開法（保角變換方法）擴展至非對稱形狀二維物體，給出了任意形狀二維物體的輻射和繞射流場的速度勢及水動壓力的頻域解，進一步擴大了多極展開法的實際應用范圍。
  4. Disturbance of plane viscous flow and hamiltonian system

    平面粘性流體擾動與哈密頓體系
  5. Second, we discuss the influence of environmental referance potential temperture and thermal wind on mesoscale symmetric instability. we find the expression of disturbance stream function and criterion of symmetric instability by analytical method and conclude that change caused by environmental referance potential temperture with height and thermal wind make critical richardson number and disturbance critical half - wave length of symmetric instability larger, that is to say, they benefit the occurance of symmetric instability. third, we study nonlinear perturbation analysis of mesoscale vertical circulation and evolution equation by means of f - plane. non - hydrostatic balance and filiter model

    第二，討論了環境位溫與熱成風因子對中尺度對稱不穩定的影響。運用解析的方法求出了擾動流函數的表達式和對稱不穩定的判據，發現環境參考位溫隨高度的變化與熱成風因子使得對稱不穩定臨界理查遜數及擾動的臨界半波長都變大，這有利於對稱不穩定的發生。第三，採用f平面、非靜力平衡、濾聲波模式，討論了中尺度垂直環流非線性攝動分析及演變方程。
  6. This paper presents a new interior point nonlinear programming algorithm for optimal power flow problems ( opf ) based on the perturbed kkt conditions of the primal problem with a novel data structure

    基於原問題的擾動kkt條件，本文提出了一種帶新數據結構的原始對偶內點演算法求解電力系統最優潮流問題。
  7. Integrating the power flow program with the tools matlab simulates the transient response of the distribution networks with the direct combination wind generator under disturbances, it provides the credible rationale to the research on stability and maximal penetrable power

    本文結合配電網潮流程序，利用matlab作為模擬工具，模擬包含直接並網風能轉換系統的配電網路在受到擾動情況下的暫態響應，對含有風電場的電力系統穩定性研究及風電場極限穿透功率的研究，提供了可靠的理論根據，有重要的現實意義。
  8. Finally, convergent geometry had an important effect on the perturbance coupling between the interfaces of the finite fluid. the attenuation factor of perturbance coupling from the outer interface in was greater than the one from the inner out

    本文研究表明：收縮幾何效應對有限厚度流體的界面之間的擾動耦合有重要影響，柱和球幾何中擾動耦合從外界面到內界面的衰減因子大於從內界面到外界面的情況。
  9. According to their space position, the seismic features of shallow gas in this region can be divided into three groups : ( 1 ) features in the stratum : acoustic blanket, acoustic curtains, acoustic turbidity, irregular strong top reflection boundary, and phase pull - down in both flanks ; ( 2 ) features of the seabed : seabed pockmark and giant sunken pit ; ( 3 ) features in the seawater column : acoustic plumes, cloudy turbidity and point - line - type reflection

    該區的淺層氣地震特徵按空間位置分為3大類： （ 1 ）地層中的特徵：聲學空白、聲學幕、聲學擾動、不規則強反射頂界面、兩側相位下拉； （ 2 ）海底面的特徵：海底麻坑、大型塌陷坑； （ 3 ）海水層中的特徵：聲學羽流、雲狀擾動、點劃線反射。
  10. Numerous and extensive cavities retard the turbulent mixing process.

    多而大的渦流區延遲了擾動的混合過程。
  11. Nevertheless, astrophysicists have persisted in their belief that accretion disks are indeed turbulent

    雖然如此，天文物理學家仍舊堅持信念，認為吸積盤的確是充滿亂流擾動的。
  12. The key items influent on the characteristics of spraying have been also studied in the dissertation, we can get a good spraying result by adjusting the related parameters efficiently. ( 3 ) the theoretical model of the dynamical parameters such as temperature, moisture, pressure and contour for hot medium and particle inside the drying chamber were obtained by model, utilized the computational fluid dynamics technique to solve the problem between spraying droplets medium by arranging the double grid dispersing structure and rotary outlet structure and the developed structure improved the drying efficiency and product quality

    （ 3 ）採用-模型實現了壓力噴霧乾燥塔的溫度場、濕度場、流場的理論建模，利用計算流體力學（ cfd ）技術來解決噴霧乾燥過程中熱介質與霧滴間的傳熱傳質以及動量傳遞和湍流擾動等問題，避免了乾燥過程中的設計不合理狀況；通過增加雙格柵均風裝置和旋轉出風裝置，改善了乾燥塔內的熱質傳遞，提高了乾燥塔的體積蒸發強度。
  13. Install 5 pipe diameters minimum downstream from pump discharge or elbows to avoid flow turbulence. flow straighteners may be required in extreme cases

    安裝在距離泵排泄口或彎管下游至少5倍管道直徑的地方，以避免產生水流擾動。在極端情況下，可能需要流向矯直裝置。
  14. The flight control system of attack helicopter and the influence of disturbance during noe flight are studied in this dissertation. and the use of h robust control and dynamic inversion schemes in flight control system are discussed

    本文主要對貼地飛行時武裝直升機的飛行控制系統進行深入的研究和探索，討論了貼地飛行時氣流擾動對直升機系統的影響，研究了h _魯棒控制和動態逆控制在直升機飛控系統中的應用。
  15. 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。
  16. The main works are organized as follows : based on the switching function method and time domain simulations, the small disturbance transfer a characteristic through the converter is analyzed. because of the modulation effect of the converter, the small disturbance in the shaft of turbine generator will induce ac voltage component with the same frequency as the disturbance on the dc side. and the resulted ac current on the dc side will have the similar frequency shift when transfers to the stator of the generator

    主要內容包括： （ 1 ）基於開關函數法和模擬分析，研究了機組轉子上次同步頻率的小擾動，在hvdc交直流兩側響應的頻率特性- - - -轉子上的小擾動經直流換流器調制后，將會在系統直流側感應出與擾動同頻率的電壓分量；直流側電流擾動反映到交流定子側，也將發生頻率偏移。
  17. The time sequence of the wind observations shown below depicts the local wind disturbances near the airport during the period

    從圖11的時間序列可看到當日機場附近的氣流擾動。
  18. Soling this problem can deblur the atmospheric turbulence - degraded image and improe the capability of object identification which is good for late stage works such as object feature extraction and recognition

    該問題的解決能夠克服大氣湍流擾動帶來的圖像降質和提高目標圖像的分辨能力，以便於后續的目標特徵提取和識別等處理。
  19. Because it is very turbulent inside a cumulonimbus cloud, the water droplets and ice crystals in it will break up and become electrically charged

    由於積雨雲內有急劇的氣流擾動，雲中的水珠和冰粒便會分裂而產生電荷。
  20. With the new generation missiles / interceptors entering a period of rapid development, guidance by seeker is one of key technologies for these weapons, but the complicated disturbance caused by high speed missiles / interceptors traveling through the atmosphere will degrade the tracking & aiming sensor system of the seekers, even worse, will make the guidance system fail to function

    為了在現代高技術局部戰爭取得優勢， 「遠程打擊與保護」已被提到一個相當重要的地位，新一代導彈和攔截武器進入了日新月異的發展時期，制導技術是這類武器的關鍵技術之一。而高速飛行的導彈周圍會產生很復雜的氣流擾動，這種擾動對導引頭上的跟瞄系統將產生很大的影響，嚴重時可造成導彈制導系統完全失效。
分享友人
分享到 Line

分享到臉書