空氣動力中心 的英文怎麼說

中文拼音 [kōngqìdònglìzhōngxīn]
空氣動力中心 英文
ac aerodynamic center
  • 空 : 空Ⅰ形容詞（不包含什麼; 裏面沒有東西或沒有內容; 不切實際的） empty; hollow; void Ⅱ名詞1 （天空） s...
  • 氣 : Ⅰ名詞1 （氣體） gas 2 （空氣） air 3 （氣息） breath 4 （自然界冷熱陰晴等現象） weather 5 （氣味...
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 空氣 : 1 （大氣） air; atmosphere 2 （氣氛） atmosphere 3 （氣閘） air brake4 pneum ; pneumo ; pneumat ;...
  1. Deng x g, zhuang f g, mao m l. on low mach number perfect gas flow calculations [ r ], aiaa paper 99 - 3317

    鄧小剛.粘性超聲速復雜氣動力干擾的數值模擬[ d ] : [博士學位論文] ，中國空氣動力研究與發展中心， 1991
  2. In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively

    本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討，取得以下主要成果：一、結合小灣工程導流洞改建，對高水頭（ 252m ） 、大泄流量（ 1400m ~ 3 s ）條件下旋流式豎井中的水流運動特徵進行了比較全面的測量，包括空腔形態、徑向流速分佈及井壁壓強等；二、提出了豎井空腔段螺旋水流水力計算方法，其計算結果與實測值吻合良好；三、利用試驗與計算結果，對旋流式豎井的消能機理進行了探討，對豎井各部分的消能能力有了總體認識；四、對豎井下部消力井的合理井深進行了優化試驗研究，發現消力井合理深度為0 . 9d左右；五、通過試驗研究，歸納出豎井水流總摻氣量估算方法，為導流洞排氣方案的設計提供了參考依據；六、在高水頭、大流量條件下，豎井空腔段下部流速很高，盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓，但空化數依然較低，因此豎井的空化空蝕始終是工程界關注的重大問題。
  3. Adopt the made - to - order power set, gush the very large water polo and breathe out in overhead but burst forth streanfing into state of mind, you just like overhead, fireworks is in full bloom, all, the sound shape nice, shakes to open in night, under colour lamp light setting off, sound, brightness, water touch the festive air having exaggerated out a brute force for colourful, extensive more obvious an integral whole grand sight

    採用特製的動力裝置，噴出碩大的水球並在空中呼然進射猶如空中禮花盛開，聲形俱佳，震撼心神，尤以夜晚開啟，在彩色燈光的襯托下，聲、光、水觸為一體更顯五彩繽紛，恢宏壯觀，渲染出了強力的節日氣氛。
  4. As a hard - core part of epikarst ecosystem, soil makes a hinge action in the karst process. it forms a leach layer between rainfalls and carbonate and gives a great much time and space in the karst process. soil co2, a very pivotal factor in the karst dynamic factors, makes an action of driving forces in karst dynamic system

    土壤作為表層帶巖溶生態系統的核心部分，在巖溶過程中起著樞紐作用，它的存在使得大氣降水與碳酸鹽巖之間形成一個「過濾層」 ，賦予巖溶作用更廣闊的時間和空間，其中土壤co _ 2是個非常關鍵的因子，它是巖溶作用的重要物質來源，在巖溶動力系統中起著驅動力作用。
  5. The subject of this thesis is to study ironless moving coil linear permanent magnet synchronous motor and the major works in this thesis are summarized as follows : 1 ) two analytical formulas are derived by concentrated current method and distributed current method to determine the magnetic field due to pm, based on the current model of pm. besides, two method ( magnetic charge method and solution by laplace equation method ) are also introduced with comparing their advantages and disadvantages. then the effects of the motor parameters on the flux distribution are discussed

    本文對空芯動圈式直線同步電動機進行了深入細致的研究，內容包括： （ 1 ）採用電流模型推導出兩種計算永磁磁極二維氣隙磁場的解析公式（集中電流法、分佈電流法） ，同時介紹了兩種永磁電機氣隙磁場計算方法（磁荷法，直接求解拉氏方程法） ，分析各種方法的優缺點，討論電機參數對氣隙磁密的影響； （ 2 ）介紹了單層同心繞組的布置方式，根據安培定律推導出空芯動圈式直線永磁同步電動機的靜推力計算公式，分析靜態力?位移特性； （ 3 ）建立空芯動圈式直線永磁同步電動機動態模擬模型，模擬不同驅動方式下電動機起動、穩態運行時電磁力、速度、位移的變化情況。
  6. The complicated aerodynamics characteristic of spinning projectile with lateral jets and with attack angle is studied detailedly. the formation and changes are analyzed including magnus force, normal force, yawing moment, pitching moment and pressure center

    系統分析了旋轉側噴彈丸復雜的空氣動力學特性，分析了馬格努斯力系數、法向力系數、偏航力矩系數、俯仰力矩系數和壓力中心等參數的產生機理和變化規律。
  7. The thing flows the trolley name carrying trolley ; the surface uses the electricity to galvanize, the contour artisticly, the service life is long ; attaches the security leather belt, the fixed link loading and unloading speed is quick, both is advantageous for the mechanized transporting, and is suitable for the short distance the manual shift, may realize the plan production, saves the manpower, reduces the cost ; with thing and so on turnover box flows the vessel coordination use, may realize the modular management, the setting at space is big, folds the collection not to occupy the space ; is suitable the thing flows the transporting in the enterprise working procedure ; also may or allocates and dispatches the center in the factory to install the cargo to transport to the store, a direct achievement commodity goods part

    物流臺車又稱載物臺車；表面採用電氣鍍鋅、外形美觀、使用壽命長；附安全皮帶、固定桿裝卸速度快，既便於機械化搬運，又宜於短距離的人力移動，可實現規劃生產，節省人力，降低成本；與周轉箱等物流容器配合使用，可實現單元化管理，置物空間大，折疊收藏不佔空間；適用於企業工序間的物流搬運；也可在工廠或配送中心裝上貨物運到商店，直接作為商品貨架的一部分。
  8. The sequence of two patterns presence is changed alternately, that is, one pattern will appear at the second pulse of total pattern in this half cycle if it appears at first pulse in last half cycle. the stability of square pattern was studied by considering the interaction among the wall charges. the discharge moments of individual filament alternate from long one to short in the square pattern, which can been explained by using the breakdown and quench model through considering the wall discharge accumulated on the dielectric layers

    實驗研究了正方網格斑圖與混合氣體的比例及外加電壓的關系，給出了班圖類型隨上述條件變化的相圖；實驗採用光學方法對正方網格斑圖進行了時空動力學測量，發現正方網格斑圖是由兩套正方網格斑圖相互嵌套而成，其中一套的微放電絲位於另一套正方形單元的中心，這兩套微放電絲交替進行放電；考慮到壁電荷之間的相互作用，研究了正方網格斑圖的穩定性；實驗發現正方網格斑圖的微放電絲放電時間間隔是長短交替變化的，考慮到電介質表面積累的壁電荷的作用，使用擊穿?熄滅方程很好的解釋了該現象。
  9. Operation, leaves the air by centrifugal force intermediate role to the brink of incompetence impeller movement into bengti circular cavity at, and then returned to impeller, re - starting from the leaves of the cycle in the same way again

    運轉時葉片中間的空氣受到了離心力的作用，向葉輪的邊緣無能運動，進入泵體的環形空腔，然後又返回葉輪，重新從葉片的起點以同樣的方式再進行循環。
  10. Aerodynamicist klaus huenecke of airbus has developed a “ passive ” scheme based on so - called designer vortices

    歐洲空中巴士公司的空氣動力學專家輝奈克已研發了一個被動技術，以所謂的訂制渦流為核心。
  11. The analysis of dry pv shows that the high pv dominate the area of typhoon, the higher is the center value of pv, the stronger is the typhoon. lt is also shown that the most important reason resulting in rainstorm is the cold air ( high pv ) which spreads to south from the upper troposphere or lower stratosphere and transports into the warm air. the joining situation of upper and lower pv area make vortex develop. pv transpotation reduces static stability, which increases the releasing of instability energy and makes rainstorm amplify

    對干位渦的分析表明：臺風或臺風環流區為高值位渦區，臺風越強，位渦中心值越大；對流層上部或平流層下部冷空氣（高位渦）的擴散南下與暖濕氣流的交匯是造成特大暴雨的重要原因，因為上游斜壓性的發展使對流層頂發生折疊，平流層與對流層相互作用增強，上下位渦區相接的形勢使低層渦旋發展，上升運動加強，位渦的下傳有效地降低了靜力穩定度，有利於位勢不穩定能量的釋放，使得暴雨增幅。
  12. Through the competition of ionization equilibrium of zno22 - and precipitation reaction, the nucleation and growth process of znse have been adjusted, and monodispersed znse semiconductor hollow microspheres are obtained. these microspheres were found to form through aggregation of small znse nanocrystals sizes of which could be finely tuned by temperature control. a novel gas - liquid interface aggregation mechanism was proposed and this idea might be generalized in other systems

    以zno22 -陰離子提供鋅源，利用它在強堿性溶液中緩慢釋放出zn2 + ，並與se2 -之間的電荷排斥作用，成功地調節了反應動力學，獲得了尺寸和分散性都非常均勻的微米級znse空心球，並實現了空心球內部粒子尺寸的調控，提出了新穎的氣液界面團聚機理。
  13. Phenomena, such as flow field confusion and slagging etc. have occurred in the practical process of cyclone burner for coal - water slurry ( cws ) firing, on this basis a study on aerodynamic field of cws cyclone burners had been carried out through cold state experiments in the laboratory, then the influence of burner ' s structure properties upon the said flow field had been carried out, and expected to find more reasonable structure of the burner was found. in my study the focus is on the affection of cone and cyclone intensity in the condition of infinite and finite fields

    本文著重研究現有水煤漿旋流燃燒器的旋流葉片角度，一次風擴口的長度以及角度對旋流燃燒器出口流場的影響，通過流場的比較，以期得到性能較好的旋流燃燒器。考慮到水煤漿燃燒器中心的水煤漿射流對于其空氣動力場的影響，本文在實驗室冷態實驗研究的基礎上，模擬水煤漿射流，研究其對燃燒器空氣動力場的影響。
  14. The major elements of earth, water, air, fire and ether ; the false ego, spiritual intelligence, the unmanifest element in material nature, the ten senses along with the mind and the five objects of the senses as sound, sight, taste, touch and smell ; disdain, happiness, distress, the perceptual faculty of the mind, determination ; all this is declared to be the field of activities modified by the six transformations of the physical body beginning with birth and ending with death

    五大主要元素「地，水，火，風」和「空」 ，假我，靈性智能，物質本性中的無形元素，與心意相關的十識以及五種感官對象如聲音，影像，味道，觸覺和氣味，蔑視，幸福，苦難，心意的知覺能力，決心，等等，所有的這些都被稱作是行為活動場，是由以生為始，以死為終的肉體六道輪回所改變的。
  15. A transverse secondary circulation is produced by the coupling of high and low jets, while the sinking branch of the secondary circulation providing the dynamic conditions for the dry intrusion air. during the period of the heavy rain process, dry intrusion descends southward along the intense constant potential temperature lines, which promotes the lower cyclone. in addition, the pouring of upper - level dry air not only decreases ground temperature behind the front but also increases surface pressure and velocity

    由於高、低空急流耦合，在高空急流中心左側產生的下沉運動和高空急流中心右側、低空急流左側產生的上升運動在鋒面上形成一次級環流，次級環流的下沉支運動為對流層高層干空氣和高位渦的下傳提供了動力條件；進一步研究發現，干侵入沿相當位溫密集帶向南向下伸展，引起對流層低層氣旋性渦度的發展；此外，高層乾冷空氣向下注入，導致地面溫度降低、氣壓升高、風速加大、低層輻合增強、上升速度加大，從而促進了新的對流運動，引起降水增強。
  16. Through analyzing the basic situation, outside macro circumstance and industry circumstance, and then studying the general investment opportunities, the author has illustrated that tmt total strategy on diversified development is realistic and reasonable with swot model ; clarified that market investment chances lie in the extending of enterprise ' s core competence on the basis of strategy asset and the structure ' s reconstruction of production matrix through analyzing industry structure with bcg matrix ; defmitude the path choice of tmt investment strategy. in the last part of this paper, the author selects four representative cases : investing technology center, investing air spring, annexing plastic company and buying insulated company to analyze the investment decision, executing proceed and the realization of investment strategy. the author make a whole study on the case that how does enterprise realize relative diversification development by investment

    通過分析時代新材公司基本情況以及外部宏觀環境、行業環境，對一般投資機會進行研究，用swot模型闡明了時代新材總體戰略定位於相關多元化發展的現實性和合理性；通過bcg矩陣分析產品的行業結構，清晰了市場投資機會在於企業基於戰略資產的核心能力延伸、在於產品矩陣的結構重築；在發展戰略的基礎上明確了時代新材投資戰略著眼于技術能力的鞏固、生產手段的提升、新市場的拓展：面對投資戰略的取向，作者選取投資技術中心、空氣彈簧、並購注塑公司、絕緣公司等四個有特點的案例，分析項目投資的決策和實施過程，體現了投資項目與投資戰略的互動性。
  17. Ac aerodynamic center

    空氣動力中心
  18. In this paper, firstly large - scale air circulation and weather system evolution are analyzed, and get the scale feature and spread process of the meso - scale convective system by analyzing time - space layout of precipitation and satellite cloud maps. the lower resolution of t213 model and less time - space resolution of data were responsible for the above mentioned misforecast. in this study, the event is simulated by mm5v3. 6 with two - way - interaction and triple nested grid

    分析並指出了此次過程中對流降水的演變規律：對流活動引起的高層重力波和邊界層冷涌是對流傳播和觸發大暴雨中心對流活動的主要機制，地面冷空氣的侵入，引起邊界層暖濕空氣的交匯和強烈輻合是對流活動顯著加強的原因。
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