沿面流速 的英文怎麼說

中文拼音 [yánmiànliúsù]
沿面流速 英文
face velocity
  • 沿 : 沿名詞（水邊） water's edge; bank
  • 面 : Ⅰ名詞1 （頭的前部; 臉） face 2 （物體的表面） surface; top 3 （外露的一層或正面） outside; the ri...
  • 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...
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 流速 : [機械工程] velocity of flow; strength; [水文] current velocity; current speed; flow rate流速管 pi...
  1. The accumulation and transportation of moist available potential energy and the release of the condensation heat offer the material condition for this heavy rainfall. under the condition of the air ' s movement through the stiff moist isentropic surfaces, the development of vertical vorticity of mesoscale low vortex system is accelerated due to the slantwise vorticity development, and to form stronger convective system, so as to result in heavy storm rainfall

    濕有效能量的積聚和輸送為強降水的發生、發展提供了充分的物質條件；由於沿陡立等熵面的空氣上滑運動，因傾斜渦度發展造成了中尺度低渦系統垂直渦度迅速增加，促進了低渦的快速加強，形成強對流系統，導致強暴雨過程的發生。
  2. What ' s more, we put forward some experienced formulas on the basis of the cortical analysis. the result of the research show that by installing diffluent piers with low ridge, we can eliminate the root of oscillatiny water jump, perfect the energy dissipation effect of water jump, also, we can improve the flow condition of down - stream. the fact that the main flow of down - stream is in the middle, not only effectively lower the speed of the bottom flow in the ridge rear, alleviate the erosion to the river bed, but also avoid the heavy wave resulted from the main flow in the surface, thus improve the surface wave of down - stream obviously. we can work out the body style parameters of diffluent piers with low ridge according to the project flow condition and experience formulas, and then reckon the down - stream surface wave condition for the protected building of the down - stream bank

    研究結果表明：設置低坎分流墩后，消除了擺動水躍水舌擺動的根源，提高了水躍的消能效果，改善了下游水流流態。下游水體的主流在中部，既有效的降低了坎后水流底流速，減輕水流對河床的沖刷，又避免了主流位於表面導致波浪過大的結果，下游的水面波浪明顯得到削減。依據經驗公式，可根據工程水流條件設計出低坎分流墩的體型參數，進而估算出下游沿程的水面波浪，為下游岸邊的砌護提供依據。
  3. In this paper, some characteristics of flow movement and sediment transport are analyzed by using the flume experiment data. the cross section of compound channel can be divided into four regions : the undisturbed region in main channel, the interactive region between channel and plain, the undisturbed region in flood plain and the boundary region. in the undisturbed regions, the distribution of longitudinal velocity along the depth has the feature of lograithmic. whereas, in the interactive region, the longitudinal velocity does not obey the logarithmic distribution law, but it can expressed as a revised logarithmic function by using a wake function. on the basis of the kinematic equation the velocity distribution of transverse velocity is obtained. in the boundary region, the longitudinal velocity obeys the law of parabolic distribution. furthermore, according to the simplified diffusion equation, the transverse distribution of sediment concentration in the interactive region is deduced. the analysis is in good agreement with the measured data

    本文根據漫灘水流的運動特點，將漫灘水流的復式斷面分為主槽平衡區、灘槽交互區、灘地平衡區及邊壁區等4個區，並給出了各區寬度的經驗公式.根據灘槽交互區垂線流速分佈的變化特點，提出了附加尾流函數的對數流速分佈公式.在簡化水流運動方程和泥沙擴散方程的基礎上，對灘槽交互區內垂線平均流速及含沙量沿橫向分佈進行了理論分析，提出了反映灘槽水流動量交換強度的橫向渦量粘性系數及橫向擴散系數的表達式，得到了漫灘水流垂線平均流速及含沙量沿橫向分佈的解析解，並與實測資料吻合較好
  4. Through the flume experimental research, the velocity distribution formulas for rectangular open channel have been found, including parabola form of velocity distribution on the vertical and power form of mean velocity distribution on the transverse direction ; meanwhile, the means of ascertaining correlative coefficient have been given in this paper

    摘要通過對明渠流速的水槽試驗研究，建立了矩形斷面明渠沿垂線流速的拋物線分佈公式和橫向平均流速的乘冪函數分佈公式，同時給出了相關系數的確定方法。
  5. Over the years, lrt technology has been upgraded to counter the negative effects of traffic jams, noise, environmental damage, air pollution, etc. featuring a small radius of curvature, multiple car units, modulated train set, enlarged cars both in transverse and longitudinal directions, low car floors, streamlined car design, advanced control systems, and flexible right of way, modern lrt systems have been successfully adopted to most environmental and social needs. they adequately display their merits as transportation systems ; i. e., the lrt system is able to co - exist with automobiles. the low car floor means that roads can act as station facilities, and passengers can get on and off the cars in the street

    輕軌運輸系統lrt源起於歐洲街道電車street car ，街道電車一度在都市捷運化與私人機動化的浪潮沖擊下迅速沒落，但隨著都會地區機動車輛不斷增加，道路交通阻塞噪音環境破壞排放廢氣污染問題嚴重惡化之際，輕軌車輛技術已不斷提升，具備小轉彎半徑能力的聯結式車廂模組化列車編組車廂斷面長度加大加長低地板車廂流線型車廂設計，搭配先進控制系統及彈性的路權型式，使現代化輕軌系統具備有與生活空間結合重視環境問題與社會情勢並活用進化街車之都市交通工具等特徵與優點，如高性能輕軌列車與汽車共存，低底盤的車廂創造無障礙車站空間，道路即是車站設備，旅客可以在街區上下車，提供沿線居民高度的便利性，消除交通堵塞噪音及空氣污染等，輕軌系統並與街景充分的調和，成為活動的都市意象。
  6. With the rise on the highway and railway of traffic discharge ^ the raising of vehicle vociety and the growth of wheel load, a higher demand was presented on intensity, rigidity and durability of the existing bridges, and so forth

    隨著公路和鐵路交通流量的增加、車速的提高、車輛輪載的增大，於是對沿線的橋梁在強度、剛度、耐久性等諸多方面提出了更高的要求。
  7. The landlocked drainage area in the northwest occupy vast area, and mere are the special environment, abundant resources, numerous nationalities, deep cultural bottom and the area which is the front of the development of western region and open westwards, and it is also the area demands urgently to accelerate the process of rural urbanization, so research on the urban characteristic question of this area has important theory value and far - reaching social work meaning

    西北內陸流域面積廣大，環境特殊，資源豐富，民族眾多，文化底蘊深厚，又是我國向西開放和西部大開發的前沿，以及亟待加速農村城鎮化的地區。因此，研究該地區的城鎮特色問題具有重要的理論價值和深遠的社會實踐意義。
  8. The movement law that abrasive fluid in centrifugal field is discussed through the analysis of experimental results of high - speed photography, and it is pointed out that in the course of abrasive moving both the moving of layer and the curve changing from front interface to slip are the important factors of influencing processing results

    文中通過對高速攝影實驗結果的分析，探討了磨料流在離心場中的運動規律，指明磨料流在運動過程中，其滑移層的運動及前沿界面曲線的變化是影響加工效果的重要因素。
  9. The main object of this paper is to design a diagonal impeller, which requires small size and high rotating speed the first step of design is to solve the radial distribution of parameters at the inlet and outlet of the blade, such as pressure, temperature and velocity. and then, according to the radial distribution, we can design the diagonal impeller blade. blade elements are defined on a cone, which pass through the blade edge streamline location

    其設計思想是採用準三維設計方法，先進行二維流場計算，在葉片軸向間隙中設立計算站，應用數值計算方法計算葉片前後緣的壓力、溫度、速度等參數沿葉高的分佈，然後根據這些參數，選取若干個回轉面進行葉型設計；再將各回轉面上得到的基元葉型沿某一個積疊軸積疊起來形成三維葉片，最後對得到的三維葉片進行試驗，並對實驗結果進行分析比較。
  10. With the favor of these techniques, the static pressure distribution along the length and the velocity profile at the mini - channel exit were obtained. with the data of more than 500 flow states based on 13 kinds of mini straight rectangular channels that their heights were 0. 5mm and 1. 0mm, the effects of characteristic scale, surface roughness and the aspect ratio of rectangular on the characteristics of flow resistance of mini straight channels were studied

    採用在沿程測量氣流靜壓分佈、在出口測量速度分佈的方法，對高度0 . 5mm和1 . 0mm的13個微小直矩形通道的500多個狀態流場進行了測量，研究了特徵尺度、表面粗糙度、橫截面寬高比等因素對微小等直通道流動阻力特性的影響。
  11. 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。
  12. On the rotor blade pressure surface, the dominant frequencies of unsteady surface pressure are the up - stream blade wake passing frequency and its harmonics, and the amplitudes of pressure fluctuations decrease from leading edge to trailing edge

    轉子葉片吸力面非定常壓力受葉片附面層和上游葉片尾跡共同影響，其主導頻率為上游葉片尾跡頻率及其倍頻，但是在吸力面前部氣流加速區壓力波動幅度沿流向增大，而在吸力面後部氣流減速區壓力波動幅度沿流向減小。
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