壁面區 的英文怎麼說

中文拼音 [bìmiànqū]
壁面區 英文
wall region
  • 壁 : 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...
  • 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...
  • 區 : 區名詞（姓氏） a surname
  • 壁面 : wandung
  1. The annihilation of the octahedron voids at the tips of fpds was divided two processes : ( 1 ) the oxide on the void was removed by the out - diffusion of oi in the shallow region, especially the oi aroud the void and by the entry of the interstitial si atomics. ( 2 ) the void without oxide shrinked by emitting vacances and the migration of silicon atoms from edge to the bottom of void

    Fpds端部八面體空洞的消失分為兩個階段： （一）覆蓋在空洞各個內壁上的氧化膜由於高溫下矽片表面區域的間隙氧原子，尤其是空洞型缺陷周圍的間隙氧原子的外擴散及自間隙硅原子的進入，而逐漸變薄直至最終消失。 （二）無氧化膜的空洞，在高溫下發出一個個空位，同時八面體空洞周圍的自間隙硅原子不斷的從空洞的邊緣遷移至空洞的底部，使空洞逐漸變淺直至最後消失。
  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. Considering the characters of the viscoidal turbulent flow over high - speed train, the computing model of the outer fiow field for high - speed train has been established based on the incompressible fluid navier - stokes epuation and the turbulent model of ke two equations. the equation set of the flow field problem via finite element methods ( fem ) has been set up

    根據高速列車粘性紊態繞流的特點，在較少簡化的條件下以navier - stokes方程和-兩方程紊流模型為基礎，建立了高速列車外流場的計算模型，在近壁區域採用壁面函數修正紊流模型。
  4. A normal transform is introduced, and there are enough much grids in the region between the critical layer and the wall, where the variation of the disturbance is the quickest. the finite - difference of governing equations with fourth - order accuracy in the normal direction is utilized in full regions including points close the wall, and is very important for accurately discreting equations. the combination of global and local methods is implemented, and a new iterative formula is derived

    對于曲線坐標系下的拋物化穩定性方程，文中發展了求解的高效數值方法:引進法向變換，使得在臨界層與壁面之間的擾動量變化最快的區域有更多的法向網格點;導出包含邊界鄰域在內的完全四階精度的法向有限差分格式，這對方程精確離散至關重要;採用全局法和局部法相結合的方法及其新的迭代公式，大大加速收斂並得到更精確的特徵值。
  5. The verification of the algorithm is performed using a gauss - distributed concentration ball and a stock wave at steady flow in an open channel. the comparison with an analytical problem solution shows that the precision and the stability of quasi - consistence hexahedral element method is as good as that of consistence hexahedral element method, better than that of the linear interpolating function method

    6 、比較分析了網格布置形式對圓管流動和臺階突擴流動計算結果的影響后表明，應在物理量梯度變化較大的區域適當加密網格，才能較好地模擬這些區域的流動特性以及壁面對整個流動的影響。
  6. ( 2 ) on the leading edge, the film cooling effectiveness at the zone immediately downstream of the cooling holes is affected by blowing ratio and mainstream reynolds number, while the effects are not important in the downstream zone far from the cooling holes. ( 3 ) on the front half of pressure surface, the effectiveness increases with decreasing blowing ratio at the downstream near the cooling row and it is contrary at the downstream far from the cooling row. ( 4 ) on the rear pare of the pressure surface, the effectiveness decreases with increasing blowing ratio and does not vary so much downstream in the cases of higher blowing ratio

    研究結果表明葉片吸力面端壁附近區域壓力系數分佈呈現出較強的三維特性，動葉吸力面尤其明顯；氣膜孔流量系數隨吹風比的增加而增大，在高吹風比情況下，流量系數逐漸趨于常數；在不同型面區域，冷卻效率分佈有較大的差異，而且吹風比與主流雷諾數的影響程度也不盡相同；低吹風比下，孔出口下游附近可以得到較好的冷卻，中、高吹風比下，冷氣射流在加速流動主流的作用下返回壁面進行二次冷卻，孔下游較遠區域可以得到較好的冷氣覆蓋。
  7. The temperature gradient and concentration gradient were both large in the near - wall region. although the thermophoresis force could affect the 50 - micron particle, the concentration did not change as large as 2 - micron particle because of the large mass and the wall effect

    熱泳力對粒徑為50微米的顆粒也有影響，但是由於顆粒的質量較大，再加上壁面效應，其作用效果遠沒有2微米顆粒明顯，僅在近壁區顆粒的濃度略有升高，而其它部分基本不變。
  8. Due to its complexity of the problem, the theories and experiment results obtained are discrepant, and some of them are even contrary one another. started from the influence by movement rules of small cavities and solid particles, the mechanisms of combined effect of cavitation and sand abrasion are study in this thesis from the aspect of the turbulent coherent structure near the wall. first, a dynamic equation is established for a single spherical bubble and single spherical sand under the non - turbulent coherent structure near the wall, and then a dynamic equation established under the turbulent coherent structure near the wall

    首先從理論上推導出在典型湍流邊界層模式的非擬序結構下空泡與固體顆粒的近壁區運動方程，然後推導出湍流近壁擬序結構作用下的空泡與固體顆粒的近壁區運動方程，再將兩種不同條件下的的運動方程進行比較，指出湍流近壁區的擬序結構對空蝕與磨損的發生具有決定性的意義，即正是由於擬序猝發作用的存在，才使得空泡、沙粒對壁面的空蝕與磨損作用得以發生。
  9. Three models are employed to analyze the aerodynamic characteristics of a wing above sea - wave. those are ( 1 ) curve surface effect ( c. e. ), ( 2 ) wavy air motion effect ( w. e. ) and the coupled effect a. e

    研究了曲壁面效應，波動效應以及壁面和波動綜合效應三種影響模式對二維和三維機翼在風浪中飛行時的氣動力性能的影響規律，指出了二維和三維機翼氣動力特性的共性和區別。
  10. The modified multi - zonal model had three parts, i. e. a wall flow module, a plume flow module and a heat moving module

    修改後的多區熱質平衡模型包括3個模塊，即壁面流模塊、熱羽流模塊和熱移動模塊。
  11. Numerical simulation on the three - dimensional turbulence flow in the pick - up tube is based on reynolds time - average navier - stokes equations. the k - turbulence - closed model is used in this paper. in the near wall area the standard wall function is used

    對集流管的三維粘性紊流模擬計算是建立在雷諾平均的navier - stokes方程的基礎上，紊流封閉模型採用目前工程上應用比較廣泛的模型，在靠近固壁區採用了標準的壁面函數法。
  12. Compare the measured velocity profile and analytical solution of poisoeullie flow shows a good agreement within the most part of the measured region, while the value of the former is higher near the wall resulting from the combined effects of strong flare light and velocity gradient polarization

    把獲得的測量結果和解析解的泊肅葉流動速度廓線進行比較后發現，在從流動中心到近壁面的大部分區域，兩者吻合良好，在近壁面區域，由於示蹤粒子和壁面碰撞以及壁面反射光等原因，測量值大於解析解。
  13. The simulations results show that the spoiler is available to make the fuel and the oxidizer coming from the former to stay in the cavity for a long time, to let the fuel and oxidizer mix and burn completely. since there is a high temperature zone forming by vortex in the middle of the motor, it required a restricted thermal protection. the plate with holes decreased the vortex function in the cavity, which could not promote the combustion efficiency, but to decrease temperature in the cavity and be benefit to thermal protection of the wall

    計算結果分析表明:擾流板可以使燃料和氧化劑在擾流腔內的滯留時間加長，促進燃料與氧化劑的摻混燃燒，提高燃燒效率，但由於渦流在發動機的中間部位形成了高溫燃燒區域，致使局部燃料和絕熱層燒蝕速率增大，加大了熱防護的難度;孔板結構減弱了擾流腔內迴流區的漩流作用，不能增加推進劑燃燒效率，但可以使擾流腔內的溫度降低，給壁面熱防護帶來好處。
  14. In this paper i was in virtue of the fluent software, set up the geometrical model of jin ’ ao mansion and adjacent buildings, used non - equilibrium wall functions to deal with the problem which come from the near wall, used realizable k - turbulent model to simulate the steady flow around 3d high - rise buildings, we can get the distribution of mean wind pressure coefficient of the surface of jin ’ ao mansion and five aerodynamics components. they were compared with the data from the wind tunnel test, we found out the distance between the result of the wind tunnel test and numerical simulation in the acceptable range

    本文以fluent軟體為平臺，建立金奧大廈及其周邊建築的計算幾何模型，近壁區採用非平衡壁面函數法處理，運用基於雷諾時均的realizablek -湍流模型進行高層建築三維定常風場數值模擬，獲得金奧大廈表面時均風壓系數分佈及基底五分量氣動力，並和風洞測壓試驗的結果及風壓系數積分計算的基底五分量氣動力相比較，發現兩者之間的差異在可接受的范圍之內。
  15. By increasing the wall temperature, the temperature difference reduced. the greater the temperature differences, the larger of the concentration of the 2 - micron particle

    冷卻面溫度變化時，壁面與主流區的溫度差越大， 2微米顆粒在壁面處的濃度越高，濃度升高由溫度差引起。
  16. 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，燃燒室尾部的流動會發生很大變化，初始時刻背壁區加質流沿噴管背壁進入噴管，背壁區沒有迴流形成；中間時刻在加質流的驅動下背壁區後部形成較弱的迴流；結束時刻氣流在燃燒室壁面分離，背壁區形成強烈的迴流。
  17. In order to study the indoor air temperature characteristics of a chilled wall space with underfloor air supply, this paper made some modifications to the conventional multi - zonal model

    摘要為了研究地板送風方式下有冷卻壁面的房間的室內溫度特性，本文對常用的多區熱質平衡模型作了些修改。
  18. Larger changes were measured in the near wall region. the numerical simulating results of the gas - particle two - phase flow in duct show that the velocity difference of the gas and particle in the near - wall region would increase as the diameter of the particle enlarge

    絕熱兩相流的數值模擬結果表明顆粒在壁面的跟隨性隨粒徑的增大而下降，近壁區saffman升力的存在對兩相流動的軸向速度影響不大，但對顆粒的濃度分佈有一定的影響。
  19. It is found that drag reduction occurs with adequate wavenumbers and grows with an increase of h. the mechanisms are revealed through variations of velocity profile and the decrease of wall shear stress

    分析減阻機理是流速分佈曲線及近壁區速度梯度介於層流與湍流之間， h值增大引起壁面剪應力顯著下降。
  20. It is found that, the heat transfer coefficients in the area after at stagnation point is higher than that of common jetting although the heat transfer coefficients are smaller at stagnation point, and, comparing to common jetting, rotary jetting contributes to the even distribution of heat transfer coefficients near stagnation point

    結果表明，盡管旋轉射流的努謝爾特數在駐點附近低於普通射流的努謝爾特數，但在壁面射流區高於普通射流的努謝爾特數。與普通射流相比，旋轉射流導致駐點附近區域的換熱特性趨于均勻化。
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