沿壁流 的英文怎麼說

中文拼音 [yánliú]
沿壁流 英文
wall flow
  • 沿 : 沿名詞(水邊) water's edge; bank
  • : 名詞1 (墻) wall (of a house etc ) : 銅墻鐵壁 bastion of iron2 (作用像圍墻的部分) wall of st...
  • : 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...
  1. Since 1976 it has been made great achievements which has conducted water more than 100 billion m3 and has been an important project of heilongjiang province. but recently the channel has been seriously freezing - melting eroded and sand of cliff edge has been deposited along the channel, which resulted to highten the channel bottom, increase width of the channel and reduce horse road. what all above have affected to apply safely channel so it is necessary to repair comprehensive

    自1976年建成以來,已累計引水100多億立方米,取得了巨大的經濟效益,成為黑龍江省西部關繫到國計民生的重點工程,但近年來渠道破壞嚴重,凍融侵蝕強烈,邊剝蝕下來的泥沙經渠道內水搬運沿程發生淤積,導致渠底抬高,渠寬增加,馬道縮小,已經嚴重影響到渠道的安全運用,必須進行綜合治理。
  2. Jet impingement cooling is an advantage method in heat transfer enhancement owing to its extremely high local heat transfer coefficient and simple structure. as regard as the combustor flame tube cooling structure is concerned, the impingement - converse convection - film composite cooling is an effective method, in this composite cooling structure, the impingement cooling problem could be modeled as impingement inside semi - confined channel

    對于沖擊-逆向對-氣膜復合冷卻的火焰筒結構而言,火焰筒面冷氣側的沖擊冷卻實質上是半封閉通道的沖擊冷卻,即沖擊射從沖擊孔板噴出,沖擊到換熱靶面后形成面射沿通道單方向出。
  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

    本文根據漫灘水的運動特點,將漫灘水的復式斷面分為主槽平衡區、灘槽交互區、灘地平衡區及邊區等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速分佈的變化特點,提出了附加尾函數的對數速分佈公式.在簡化水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,得到了漫灘水垂線平均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. The narrow streams of swirled wine that run slowly down along the inside of a glass, often believed to indicate that the wine is full - bodied

    旋渦狀酒酒液攪拌之後沿玻璃杯的內緩慢動的細酒,通常被認為能顯示該酒是濃烈的
  5. With the in - built drip irrigation belt and thin wall chip irrigation belt taken as examples, the flow rate distribution and hydraulic losses of drippers along capillary tubes at different inlet pressures were measured under the conditions of horizontal slope and slope gradients of 0. 5 % and 1 %, then the uniformity of capillary tubes was calculated at different slope gradients and pressures in consideration of the manufacture deviation of drippers

    摘要以內鑲式滴灌帶和薄滴灌帶為研究對象,測定了平坡、 0 . 5 %坡度和1 %坡度時,不同入口壓力下滴頭沿毛管的量分佈和水力損失,並結合滴頭的製造偏差,計算得出不同坡度和壓力條件下滴灌毛管的均勻度。
  6. But both researchers and practitioners have long neglected to realize that not only do potential entrants to an industry select it from among other strategic choices, but also those same firms, which have been successful in other industries, move between strategic groups in accordance with changes in the environment in consideration of this, and following caves and porter ' s argument, the author generalized and expanded the concept of entry barriers to include the move between different strategic groups

    企業的進入退出問題一直是產業組織理論研究的中心內容,但是,長期以來,無論是研究人員還是實業界人士都忽略了一點,那就是:企業進入某一產業的關鍵是對產業內不同策略群組的選擇問題,而且,已經成功進入的企業還會隨著外部環境的變化而在不同策略群組間進行動。鑒於此,作者沿用凱夫斯和波特的觀點,將進入壘的既念進行一般化處理,把進入范圍擴大到包括不同策略群組間的動。
  7. The currents of air that the walls of the ship direct upwards , as well as in line of its course are enough to give the great bird with its immense wings sufficent sustenance and progress

    沿著船向上引導的以及與航行方向一致的氣足以給這種長有特大翅膀的大鳥以充分的支撐力和前進力。
  8. The submarine structure is simplified to single or double infinite cylindrical shell stiffened with rings, bulkheads and stringers, focusing on underwater sound radiation from the single shell. the shell motion is described by donnell ' s theory including excitation forces and reactions of rings, bulkheads, stringers and fluid, which leads to the fluid - structure coupling vibration equation. expressing displacements by velocities, applying modal expansion circumferentially and fourier transformation longitudinally result in the shell ' s modal equations of motion

    殼體的運動方程採用較為簡單的donnell理論描述,運動方程中包括了激勵力、加筋結構(環肋、艙和縱骨)和場對殼體的作用力,從而組成場-結構的耦合振動方程,並進一步將方程中的位移用速度表示,然後沿軸線方向進行fourier變換,將速度和各項荷載沿圓周方向進行模態展開,得到了殼體振動的模態運動方程。
  9. Stoneley wave is a kind of guide waves propagating along the liquid - solid interface in well. when a sonic beam strikes the surface of a thick plate immersed in a liquid, a stoneley wave is generated. stoneley wave approach is applied on analysis of well logging more and more widely in recent ten years with the introduction of advanced analysis methods for component waves from full - waveform array acoustic log data. the spectrum of stoneley waves are used to identify the fractured zones and quantitatively calculate the fracture parameters of reservoirs, especially to evaluate the validity of fractures at fracture - type complex reservoir

    斯通利波是一種沿傳播的聲波,當聲波脈沖與井和井內體的界面相遇時就會產生斯通利波。近十幾年來,由於長源距和偶極子陣列聲波儀在測井中的廣泛應用和全波形陣列聲波測井資料中各組分波的處理分析方法的進步,可將斯通利波分離出來單獨研究並應用於測井資料分析。斯通利波技術是評價裂縫及其滲透性的有效方法。
  10. A mathematical model of flows in the substrate was established using the equivalent continuum approach, and multi - dimensional numerical simulation of the steady flows in the catalytic converters was performed. simulation results show that the separation and vortex, which cause the pressure loss and the velocity non - uniformity at the front of the first substrate, are generated near the wall of the conical pipe. in addition, the larger the inlet cones angle the more the pressure loss and maldistribution in converters, however, when the angle enlarges enough the pressure loss would be decrease

    結果顯示氣在擴張圓錐管附近出現分離產生較強的擾動,造成局部動損失和載體前氣速度沿徑向分佈不均勻;入口擴張管結構對催化器的動特性有很大影響,但並非擴張角越大,催化器速武漢理工大學碩士學位論文分佈的不均勻性和壓力損失也增大,而是存在著一個最佳角度,但當擴張角增大到一定程度以後,擴張角對速分佈和壓力損失的影響變小。
  11. In fluent, the flow field of the tube wall, center, top, middle and bottom of the evacuated solar collector tube can be observed, the temperature - time curve and radial temperature gradient can be obtained, the heat loss of different part can be directly captured. 3. all kinds of effect factors of the flow field and temperature field have been analyzed

    通過fluent計算,清楚地觀察到太陽能真空集熱管面和中心部分,頂部、中部和底部在各種工況下的場分佈均不相同;得出了各種工況下的溫度-時間變化曲線,沿軸線方向的溫度梯度;同時還計算了各部分熱損的傳熱量; 3
  12. Due to the effect of a flow of cool air along the rock walls, the original rock temperatures are disturbed.

    由於冷空氣沿動影響,原始巖石溫度受到了破壞。
  13. Fist we resarch local wall temperature ouside and inside of tube, local fluid temperature inside and outside of tube, local heat flux inside and outside of tube, local coefficient of convective heat transfer inside and ouside of tube along the tube axial direction

    首先研究在這兩種情況下管內(外)溫、管內(外)溫、管內(外)面局部熱密度、管內(外)局部對換熱系數沿管子軸向的變化。
  14. At the preliminary stage of burning the gas flows along the back surface of the submerged nozzle and no recirculation forms in the aft - end cavity. at the medium stage of burning a weak recirculation forms in the rear of aft - end cavity by the force of injection flow. at the end stage of burning the flow separates at the c ombustion channel and a strong vortex forms in the aft - end cavity

    實驗結果表明,在發動機工作過程中隨著燃面的退移,燃燒室尾部的動會發生很大變化,初始時刻背區加質沿噴管背進入噴管,背區沒有迴形成;中間時刻在加質的驅動下背區後部形成較弱的迴;結束時刻氣在燃燒室面分離,背區形成強烈的迴
  15. When the legs of hair - pin vortex move to downstream and extend in azimuth direction, they cause the formation of the vortex structure near the wall. this near - wall vortex structure develops to downstream quickly

    發卡渦的渦腳在向下游發展的同時沿周向擴展,並誘發近渦,該近沿向快速擴展。
  16. Due to the existence of the eddy and the abrupt bend of the stream line, the pressure on the four faces has the distribution as follow : the lowest pressure appears at several centimeters after the angle point along the top boundary, the highest pressure appears near the center line of the vertical shaft on the bottom boundary, near the angle point, the pressure on the inner boundary decreases with the decreasing height, the pressure on the external boundary decreases slightly in the right - angle region, and increases obviously near the corner

    漩渦的存在,以及直彎處線的急劇彎曲,導致面壓力分佈在上表面距彎點一定距離后出現壓力最小值,下表面上,在豎井中心線略偏下游的位置出現壓力最大值,豎井內表面接近彎點處出現壓力沿程降低的現象,豎井外表面壓力在進入直彎后先是沿程略有降低,在直彎角落處又明顯升高。
  17. The transport of macromolecules in curved tubes with permeable arterial wall was simulated numerically. the fields of axial velocity, the fields of secondary flow function and the distribution of wall shear stress along the transverse section of arterial wall were obtained under different dean number, 10

    10800 ,計算了彎曲血管內的二次軸向速度場和剪應力沿分佈的情況。計算求得了在不同dean數和peclet數下,其中10
  18. It is also found that the flow developments in all radial locations are not synchronized, but it extended gradually from the core region to the wall, until finally a fully developed flow is achieved across the whole cross - section of the riser. the flow development at the annulus region near the wall, as a control process of the whole flow development in the riser, is much slower, and more sensitive to the change of operation conditions than that at the core region

    氣固兩相沿徑向的發展並不同步,而是一個由核心區向邊區逐漸擴展,最終達到充分發展的過程,該過程主要受邊區發展過程式控制制;相對于核心區,邊區的發展不僅顯著緩慢,而且受操作條件的影響也較顯著。
  19. The present work is carried out by direct numerical simulation ( dns ), the non - linear navier - stokes equation is formulated in terms of spectral method with fringe method. the objective of present work is to explore the spatial and temporal evolution of pipe flow with the disturbance imposed on the pipe wall in the form of periodic suction and blowing ( psb )

    本文使用直接數值模擬( dns )方法,通過譜方法結合嵌邊法求解非線性的navier - stokes方程,來研究由圓管面引入的周期性吹吸( psb )擾動作用下,圓管沿向的空間演化規律及其相應的時間演化過程。
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