渦動結構 的英文怎麼說

中文拼音 [guōdòngjiēgòu]
渦動結構 英文
structure of turbulence
  • 渦 : 渦名詞1. （漩渦） eddy; whirlpool; vortex 2. （酒窩） dimple
  • 結 : 結動詞（長出果實或種子） bear （fruit）; form （seed）
  • 構 : Ⅰ動詞1 （構造; 組合） construct; form; compose 2 （結成） fabricate; make up 3 （建造; 架屋） bui...
  • 結構 : 1 （各組成部分的搭配形式） structure; composition; construction; formation; constitution; fabric;...
  1. Structural design study of a micro - turbojet engine

    微型渦噴發動機結構設計研究
  2. Because of its special structure, the high velocity flow under the shield, big vortex and upcast flow behind the shield will affect the spray drift. if these situations could be changed, the drift can be reduced further

    但由於該罩蓋的結構特點，其下方產生較大速度的運動氣流和罩蓋後部產生的渦流以及上旋氣流，將直接影響霧滴的飄失。
  3. 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。
  4. 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。
  5. Study of crossflow topology of unsteady vortex motion over a delta wing

    三角翼非定常旋渦運動橫截面拓撲結構研究
  6. The flow field structure of the power - turbine variable - area nozzle stage of a marine gas turbine

    船用燃氣輪機動力渦輪可調導葉級的流場結構
  7. This paper introduces the evolution of analytic tools for viv response of slender marine structures, and then put forward a prediction model for viv of a slender riser in which fluid force coefficients obtained in forced oscillation tests are applied more directly than other similar models

    文中介紹了細長海洋結構物渦激振動預報工具的發展，進而提出了一種基於圓柱體受迫振蕩實驗數據的預報模型。
  8. In the second part of the paper, with employing the game reanalysis data and on the basis of the theories of the baroclinic vorticity development, this paper inferred from the dynamic analysis that the horizontal vorticity can represent the baroclinic intensity of the large - scale atmosphere, and the conversion of the horizontal vorticity converting into the vertical vorticity is actually the phenomenon that the horizontal vorticity flux of the summer monsoon owning the striking longitudinal - direction vertical structure and the strong baroclinicity, influence on the horizontal movement of the atmosphere

    在第二部分，基於第一部分的結果，本文在斜壓渦度發展理論的基礎上，用在我國季風區具有更高準確性的game再分析資料，討論分析了能代表大尺度大氣斜壓性強度的水平渦度在向垂直渦度轉化的情況，說明了此轉化就是具有明顯經向垂直結構特徵和強斜壓性的夏季風環流圈將其經向垂直剖面上的渦旋通量強迫於水平運動的現象。
  9. A dynamic model for reliability analysis of sealing structures and its application to turbopumps

    渦輪泵密封結構的動態可靠性分析
  10. 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。
  11. Based on the vibration test in yantan hydropower house, in this paper the author adopt les method which belong to three dimensions unsteady turbulent flow numerical analysis to simulate vibration resource characteristics of hydrogenerator set, a harmonic vibration model of powerhouse substructure is put forward to carry out firstly a precise modal analysis and dynamic response analysis for generator floor. the numerical calculation results agree well with the surveyed data in situ

    本文結合巖灘水電站廠房振動的試驗研究，採用非定常湍流數值分析的大渦模擬方法進行混流機組水力振動振源模擬；提出一種水電站廠房下部結構簡諧振動模型，首次進行了發電機層樓板結構的精確模態分析和水力激振荷載下的動力響應分析，各項計算結果與實測數據吻合良好。
  12. The phenomena of initial disturbance vorticity translating into spiral bands is most evidently for it locating at the periphery of radius of maximum wind ( rmw ), near rmw next and the spiral bands vanish when it is positioned in the inner core region. indicating that the farther the distance from the tc center, the more distinctly the spiral bands and the opposite is true

    初始圓形擾動渦度場轉化為螺旋臂渦量帶的現象是初始擾動位於渦旋最大風速半徑（ rmw ）外圍最顯著，其次是rmw附近，當擾動位於渦旋內核區時幾乎沒有螺旋臂結構形態出現，表明，初始擾動離tc中心越遠，其強迫渦旋rossby波形成的螺旋帶結構越明顯，反之越弱。
  13. Although the knowledge of wind effects on tall buildings has significantly improved over the last decades, an understanding of the mechanism that the atmospheric flow field to various wind include effects on structures has not been developed sufficiently for formulation of functional expressions. not only is the wind approaching a building complex, but the flow pattern generated around a building is complicated by the distortion of the mean flow field, the flow separation, the vortex formation, and the wake development

    在過去的幾十年裡，雖然人們對高層建築風效應的了解已有顯著提高，但對大氣流場與結構物各種風致響應的關系還不能用解析表達式加以描述。由於平均流場的奇變、流動分離、旋渦形成以及紊流的發展，不僅使得流向建築物的風，而且使得繞建築物的流譜變得十分復雜。
  14. Based on detailed analyze on turbine engine and ramjet, a new conceptive internal - rotor burnt rotating ramjet ( irbrr ) with an rotating cylinder in the center of rotor in which the revolved stream can be ram - compressed and burnt has been proposed and some primary research have been done as below : the scheme of structure, principles, thermodynamic cycle and performances of the new conceptive engine has been studied in the paper

    本文通過對燃氣渦輪發動機和航空沖壓發動機的原理結構進行詳細分析並進行融合創新，提出了一種利用內置旋轉汽缸進行旋轉氣流沖壓壓縮和旋流燃燒的新概念內置燃燒室旋轉沖壓發動機，並進行了一些前期的基礎性探索研究，具體研究內容有:對旋轉沖壓發動機進行了總體方案設計、工作原理分析、氣動熱力循環和性能分析等概念性研究。
  15. 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。
  16. After simulating the model of water hydraulic valves, the velocity distribution, pressure distribution, energy distribution can be obtained and relations between the valve channel and the energy loss, the negative pressure distribution can be analyzed, which offers the theory foundation for designing water hydraulic valves with the high efficiency, low energy loss and low noise

    通過對水壓閥模型的cfd穩態和瞬態解析，可以得到水壓閥內流場的速度分佈、壓力分佈及能量分佈，據此定性分析流道結構（速度、壓力、流動的分離與再附壁，旋渦的產生與消失等）與能量損失、負壓分佈等的關系，從而為設計出高效率、低能耗、低噪聲的水壓閥提供理論依據。
  17. The shearing layer is carried by the jet and the eddy is formed because of the instability and selective amplification of shearing layer which will propagate to the downstream. as the eddy impacts the impinging wall, a wave of pressure disturbance with certain frequency is induced. this wave then propagates to the upstream with high speed, and results in the overlap and amplification of the waves when the frequencies of them are close with each other

    當前噴嘴流束中的不穩定擾動波在穿過腔內的剪切層時，剪切層對其有選擇放大作用，形成渦環結構，剪切流動中渦環與碰撞壁撞擊，在碰撞區域產生壓力擾動波並向上游反射，在上游剪切層分離處誘發新的擾動的產生，當新擾動與原擾動匹配時，射流上游就被不斷地受到周期性激勵，腔內就產生流體自激振蕩並在後噴嘴出口形成脈沖射流。
  18. A " saddle " shape appears in the curve of relationship between smd ( sauter mean diameter ) and charging voltage, the droplets " size distribution fluctuates with the change of charging voltage. the influence of electric field on flow field is apparent. the distribution of velocity and turbulent energy, structure and size of vortex appear different changes with the increase of voltage of charging

    索太爾粒徑隨電壓的變化曲線中出現「馬鞍」現象，粒徑的分佈情況隨電壓的升高出現波動性變化；電場對流場的作用明顯，速度與湍能的分佈及渦的結構等流場特性隨電場的改變均有不同規律的變化。
  19. The dominating scattering of the aircraft is from the engine inlet, so the analysis and reduction of the electromagnetic scattering from the interior of jet engine inlet cavity have been an important research area

    進氣道終端為發動機渦輪，結構非常復雜，在波長或更小的量級上有復雜的幾何尺寸變化，一般的高頻技術不再適用。
  20. 2 ) the analyse of the structure of mei - yu low and the elationship between the low and rainfall three lows moved along the mei - yu front towards the northeast during mei - yu period in 1999, which produced three intensive rainfall periods along the yangtze river : ill the station of huangshan, the most heavy rainfall center, totally had 850mm rain during 11 days. the reason for the heavy rainfall was the sustaining moisture supply from the south, and the deep moist layer and the high relative humidity in the south - east quadrant

    2 ）梅雨鋒低渦的結構及其與降水關系分析1999年在梅雨鋒上有三個梅雨鋒低渦相繼在其上產生，冰箱東北方向移動，分別對應著長江中下游的三次強降水過程：最大降水中心黃山11天累計降水量達到850mm ，為梅雨期間平均降水量的150以上。低渦之所以產生這么大的降水和降水強度是因為低渦在移動過程中不斷有水汽輸入和補充，在其東南象限對流層中低層維持了深厚的濕層和很高的相對濕度。
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