橫流阻力 的英文怎麼說

中文拼音 [héngliú]
橫流阻力 英文
cross-flow drag
  • : 橫形容詞1. (蠻橫; 兇暴) harsh and unreasonable; perverse 2. (不吉利的; 意外的) unexpected
  • : 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...
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : 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...
  • 橫流 : transverse flow; flow over; overflow
  • 阻力 : 1 (阻礙事物發展的外力) obstruction; resistance 2 [物理學] resistance; drag; drag force; nowel; ...
  1. Computational fluid dynamics ( cfd ) techniques are used to study and understand fluid behavior in tunnels. by simulating complex specific operational cases, we can educe velocity or flux distribution in tunnel under different ventilation and resistance situation and determine the favorable operational procedures of the erlang mountain tunnel ventilation in a fire case. comparison has been made between a simulation and experiment for some cases in order to prove the cfd model is powerful, so that enables the study of cases for which experimental data is not available

    採用本文將隧道內的氣看成是理想體的一維恆定動,通過對二郎山特長公路隧道半向通風系統建立隧道內的空氣動學模型,利用計算機進行數值分析與計算,得出發生火災時,不同通風條件下隧道中的風速分佈及量分佈,並通過實驗室隧道模型實驗進行驗證與修正,依據研究結果給出了二郎山半向通風隧道的火災控制方案,從而解決了二郎山公路隧道通風對火災的控制問題,同時為半向通風公路隧道的火災通風提供科學的方法。
  2. Treating the soil as a two - phase mixture and considering the interactive influence of seepage and solid deformation, this paper analyzes the dynamic impedance of group piles in layered saturated porous media by indirect boundary element method and investigates the effects of pore fluid in saturated soils on dynamic impedance of piles

    摘要將飽水軟土地基視為兩相介質,考慮水的滲和土骨架變形的耦合作用,用間接邊界元法分析層狀飽水軟土地基中向受荷群樁動抗,探討飽和土中孔隙體對飽和土中向受荷群樁動抗的影響。
  3. Actually correction coefficient of kinetic energy reflects the non - uniform characteristics of cross - sectional velocity in natural rivers. it is related with hydraulic parameters and can be expressed by chezy ' s coefficient. the larger the resistance of boundary, the more non - uniform the distribution of cross - sectional velocity

    動能修正系數實際上反映了河道斷面速分佈的不均勻性,與斷面的水要素有關,可用謝才系數c來表示,水所受的越大,邊界對其影響也就越大,速分佈愈不均勻,導致動能修正系數增大。
  4. At the last part, the author introduces methods of employee flow management. first, hr manager should hold the pass of job application ; second, she or he should establish scientific promotion system and job rotation system to stimulate flow within enterprise ; finally, the company should try the best to retain ability employees and cut off redundant personnel. using these specific measures, the problems in state - owned enterprises will be improved

    國有企業人資源部門應當從企業員工招聘環節開始把關,真實評估應聘員工的職業發展潛,作出真實職位預觀,並做好試用期管理;同時應當做好員工內部動管理,採用科學的晉升制度和內部輪換制度,疏通職業通道,使企業內部動和縱向動均暢通無;企業還要做好員工出管理,包括員工辭職管理和裁員管理;除此之外,企業還要樹立正確的人才動觀念,創造吸引人才的機制,防止人才失。
  5. By use of grid - shaping skill and multi - grid solver, the flow - induced vibration of the fluid - conveying pipe in water is studied. the vibration mechanism of the fluid - conveying pipe in water is analyzed, the lift and drag acting on pipe in water are calculated. the results obtained are analyzed and compared to the experimental data referred to

    首先對水下輸液管道繞渦激振動的機理進行了分析,然後,利用網格生成技術及多重網格法求得了輸液管道在不同來條件(雷諾數)下的向升系數及縱向系數,最後對計算結果進行了分析,並將其與已有的間接實驗結果進行了對比。
  6. 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多個狀態場進行了測量,研究了特徵尺度、表面粗糙度、截面寬高比等因素對微小等直通道特性的影響。
  7. The mechanisms of flow - induced vibrations of the fluid - conveying pipes on offshore platform and in water are analyzed, the physical models and mathematical models of flows in pipes on offshore platform and in water are established, with the programs of numerical simulation, the flow of vibrating pipe, the force of flow - induced vibration in pipe on offshore platform and the lift and the drag of flow acting on the fluid - conveying pipe in water are solved, and the linear solution for equation of vibrating fluid - conveying pipe in water with the fixed supports in two ends is derived

    分析了海洋平臺及水下輸液管道的體激振機理,建立了相應條件下的物理模型及數學模型,應用matlab軟體編制了計算程序,對海洋平臺輸液管道內場、管道所受體激振及水下輸液管道繞向升及縱向)分別進行了求解,並推得了兩端固支條件下水下輸液管道強迫振動方程的線性解。
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