湍流區 的英文怎麼說

中文拼音 [liúqū]
湍流區 英文
turbulent region
  • 湍 : [書面語]Ⅰ形容詞（湍急） rapid; rushing; torrential; swiftⅡ名詞（急流的水） rapids; rushing waters
  • 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...
  • 區 : 區名詞（姓氏） a surname
  • 湍流 : 1 （急流） swift current; rushing waters; torrent; rapids 2 [物理學] turbulent flow; turbulence; ...
  1. In section one, by using fice scheme and time - gcm, a model of trace gases and oh airglow affected by gravity wave is set up, then the propagation of nonlinear gravity wave and the effect on trace gases and oh airglow are analyzed. the result shows gravity wave excited by tropospause forcing can propagate stably to the mesosphere through the stratosphere so that energy and momentum can be transferred from one region to another. in this process, gravity wave undergoes growth, overturning, convection and breaking

    在第一部分的工作中，利用全隱歐拉格式和全球熱層-電離層-中間層-電動力學環流耦合模式（ time - gcm ） ，對重力波的非線性傳播及其在傳播過程中對中高層大氣中氧族和氫族成分和與之密切相關的oh氣輝輻射的影響進行了數值模擬，結果表明，從對流層向上傳播的重力波經歷了產生、發展、飽和、對流產生直至破碎的非線性演化，大氣的非等溫結構加速了重力波在中層頂區的破碎，重力波的非線性傳播是小尺度對流和湍流產生的一個重要的源。
  2. By comparing the dry plate pressures drop and distributions of velocities simulated on single valve with those of double valves, it was found that there was intense turbulence in the flow fields around fixed - valve, there were eddy areas between valve side orifices and tray wall, there were eddies above the valves too, these led to the complex behaviors of gas perforating valve, these had a great effect on the gas - liquid mass transfer process. at the same time, in order to prevent the disadvantageous effect of gas between one valve with another on the gas - liquid mass transfer, it was very effective to change the fields of gas perforating valve by folding the edges of valve

    通過對數值模擬得出的單閥和雙閥塔板的干板壓降及流場速度分佈分析對比后發現，固定閥周圍流場存在較強的湍動，閥側孔與塔板壁面區域以及閥體的上方空間存在明顯的渦流區，使氣體穿閥后的行為變得復雜，並對氣液傳質過程產生重大影響；模擬結果表明，為防止和削弱固定閥間的對沖造成的「死區」對傳質帶來的不利影響，通過折邊來改變氣體的氣路是非常有效的，模擬值與實驗值基本得到吻合。
  3. Besides local aerodrome forecast, the aviation weather forecaster prepares forecast charts of significant weather enroute. the charts show significant weather which may affect the relevant flight routes in the next 12 hours or so, such as thunder storms, typhoons and clear air turbulence

    除提供本地的機場天氣預報外，天氣預報員並繪制航路上重要天氣預報圖，顯示十二小時后可能影響飛行航路地區之重要天氣，例如雷暴、臺風及晴空湍流等。
  4. Numerical simulation and analysis of wind environment in an urban residential district are carried out, based on the theoretical research conclusions mentioned above. airflow fields distributions of pressure and turbulent quantities are obtained and laid out. statuses of wind environment with two different inflowing - azimuths are discussed

    基於上述基礎理論研究對住宅小區風環境（住宅小區熱環境的主要組成部分）進行了數值模擬及分析，討論了兩種不同角度來流的風環境狀況：氣流組織、風壓分佈、湍流量分佈等。
  5. A 3 - d viscosity turbulence model is used to analyze the unsteady around flow field of the thrust - vectoring engine of the jet vane, and results of the area including vane base, vane flake and motor shell are presented

    摘要以推力矢量發動機的燃氣舵為研究對象，採用三維、粘性、湍流流動模型和數值分析的接觸網格技術，在定常流動計算的基礎上，對包含舵基、舵片和發動機殼體的區域進行詳細數值分析。
  6. Changes in the gain could occur if the length of the maser changed because of turbulent gas motions.

    氣體的湍流運動使微波激射區的長度改變時，增益就可能發生改變。
  7. Results show when velocity of flow remains unchanged in the onflow area and openness of the tube is changed, then resistance coefficient changes obviously

    實驗結果表明：在湍流區域內流速（量）不變時，改變管件開度，阻力系數變化較顯著；改變流量，管件開度不變時，變化不大。
  8. Cat sometimes occurs in areas where there is darkening in satellite pictures taken in the infra - red water vapour channel

    晴空湍流有時出現在紅外光水氣頻道衛星圖上變黑的地區。
  9. Turbulence usually happen in the vicinity of thundery showers where vigorous convective activities occur. it will also appear in areas where air masses with different speed, direction or temperature meet each other

    湍流大多是發生在強烈對流活動（如雷雨區）附近出現，它亦會在不同速度、方向或溫度的氣流相遇之處出現。
  10. The non - local turbulence parameterization, i. e., transilient theory was used in the host model mm4 to simulate the turbulent activities of the atmosphere

    在中尺度區域模式mm4的基礎上對其中的湍流參數化方法作了改進，嘗試用非局地閉合方法代替局地
  11. The lower boundary of the region above which molecular diffusion dominates is 120 km altitude and is known as the turbopause.

    分子擴散佔主導地位的區域下界約在120公里處稱為湍流層頂。
  12. Because of the large velocities ordinarily involved, there is a region of turbulent flow behind the ball, as shown.

    一般由於高速，在球的後面有湍流區域，如圖中所示。
  13. In the third chapter of this dissertation, based on the physical and chemical properties of hydrogen and the combustion characteristics of hydrogen, the quasi - dimension combustion calculation model of hydrogen ? fueled engine is set up through analyzing the characteristics of turbulence flame and chemical reaction kinetic of hydrogen ? air mixture. the model includes the dual ? area thermodynamics sub - model, quasi - dimensional turbulent entrainment combustion sub ? model, turbulence flame promulgating sub ? model, hydrogen - air mixture chemical kinetic sub - model and loss of heat transfer sub - model and so on

    本文從氫燃料的物化特性和燃燒特徵著手，通過分析氫空氣混合氣燃燒的湍流火焰結構和燃燒化學反應動力學，基於雙區燃燒模型，建立了包括雙區熱力學、準維湍流卷吸燃燒、湍流火焰傳播速度、氫空氣混合氣燃燒化學反應動力學以及傳熱損失等模塊的燃燒模型，並給出了相應的計算方法。
  14. Low - level windshear and turbulence alerts for the approach and departure areas within 3 nautical miles of the runway thresholds are issued by the amo for relay by air traffic controllers to approaching and departing aircraft

    機場氣象所發出在跑道進口3海里內的機場升降區的低空風切變及湍流警報，由航空交通管制員轉送至正在升降的航機。
  15. Using the system designed in this thesis work, flow field calibration of the wind tunnel is accomplished, which covers dynamic pressure drop coefficient, dynamic pressure time stability, axial static pressure gradient, boundary layer, and degree of turbulence, etc. boundary layer measuring principle and method are especially described in detail, the relationship between boundary layer thickness, wind speed setting, and the depth of the experimental section is summarized, and finally the calibration data for th e model center zone under specific wind speed are given

    然後利用本文設計的系統完成了落差系數、動壓時間穩定姓、軸向靜壓梯度、邊界層及湍流度等內容的流場校測。特別對邊界層測量的原理及方法做了較詳盡的敘述，總結出邊界層厚度與設定風速、實驗段深度的關系，然後給出模型中心區一定風速下校正數值。
  16. When the plane was heated, observation showed that the shape factor increased from 1. 5 to 2. 6 ; the mean velocity profile departed from the law of the wall ; the inertial subrange in the energy spectra curves disappeared ; the intermittent phenomenon occurred

    發現在加熱的情況下，邊界層的形狀因子由1 . 5上升至2 . 6時均速度廓線中的平衡湍流層消失以及速度能譜中慣性子區消失等變化。
  17. Gives a calculation formula of the absolute error of specific frictional head losses

    給出了湍流區沿程阻力系數絕對誤差的計算式。
  18. For this regime, the heat transfer is usually predicted by the linear interpolation or extrapolation of the results of turbulent and / or laminar regimes, associated with great uncertainty in the evaluation of the performance of heat transfer

    現階段人們在實際計算中，往往採用線性內插法或延伸湍流區和層流區傳熱曲線的方法，從而使結果存在很大的不確定性。
  19. According to the traditional rytov method, the theory model of modified rytov method is given for plane wave and spherical wave propagation in the atmospheric turbulence, and the characters of optical scintillation for waves propagation along horizontal paths is studied, the inner scale effect is considered, especially. then, the results, calculated by the modified rytov method, is compared with the experiment measurement, it shows that the modified method is suitable in moderate atmospheric turbulence

    本文介紹了光波在湍流大氣中傳播的弱起伏和強起伏理論，從經典弱起伏理論出發，給出了光波在水平傳輸時的修正rytov方法理論模型，分析了在考慮湍流內尺度的影響下平面波和球面波入射時的閃爍特性，在中等湍流區計算結果與最近實驗結果符合得較好。
  20. Angle - of - arrival fluctuation of light beam propagation in strong turbulence regime

    光束在強湍流區中傳播的到達角起伏
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