hydrodynamic effect 中文意思是什麼

hydrodynamic effect 解釋
流體動力效應
  • hydrodynamic : adj. 1. 水力的;水壓的。2. 流體動力學的。
  • effect : n 1 結果。2 效能,效果,效力,效應,作用,功效;影響。3 感觸,印象;外觀,現象。4 旨趣,意義。5 ...
  1. The additional flow is formed by the device of dentoid baffle, and the application of the device of dentoid baffle cooperated with a stilling basin has been investigated by systematic model tests. based on the research results, the hydraulic problems such as the characteristics of hydrodynamic pressure and cavitation on the head of the denotid baffle, the properties of flow under the condition that the device of denotid baffle is used with a stilling basin, the hydraulic computation about a stilling basin, the estimation of energy dissipation and its various affection factors, the mechanism and effect of energy dissipation, and distributions of velocity and pressure and aerating concentration, etc, have been analyzed ; the method and step of hydraulic design of device of denotid baffle by which the additional flow is produced has also been proposed

    文中利用齒墩設施實現附加射流,對齒墩設施與消力池聯合應用進行了大量的和系統的模型試驗,分析研究了中低佛勞德數條件下,齒墩墩頭的動水壓強及空化特性,齒墩設施與消力池聯合應用時的流態特性,消力池的水力計算,消能量的估算及其各種影響因素,消能機理和效果,消力池內的流速、壓強特性,摻氣濃度分佈等水力學問題,並提出了實現附加射流齒墩設施的水力設計方法和步驟。
  2. About the load, consider the vertical load, when under the action of water, consider the horizontal still water press, the press which erects to the surface of slide, and consider the effect of hydrodynamic load and earthquake. ( 3 ) the software about the frame design, apply the stiffening bar method and elastic foundation method to account the endogen

    對于荷載(或工況) ,考慮了外加垂直荷載;在有水作用的情況下,考慮了水平靜水壓力,垂直滑面的靜水壓力(也叫浮托力) ;考慮動水壓力的影響;同時也考慮了地震的影響。
  3. Abstract : the qiantang estuary with violent hydrodynamic conditions is well known for its tidal bore. the regulation of the estuary in the past, especially the progress since the founding of new china are reviewed. the principles of the regulation and planning of the qiantang estuary formulated in 1960s are expounded, i. e., to narrow the river to reduce the tidal prism, and to increase the ratio of the river flow to tidal discharge. the experience of estuary regulation / reclamation is summarized, especially the engineering measures to protect the groin head and to use polder dykes as sea defense works. finally, the effect is analyzed of the large - scale constraction / reclamation in the estuary on the tides, flooding high water level, estuary bed and the northern deep waterway in the hangzhou bay

    文摘:以涌潮聞名的錢塘江河口,動力強勁,破壞力極大.回顧錢塘江河口歷代治理情況,重點記述1949年以來治理工作的進展,論述60年代提出的錢塘江河口治理規劃的指導思想,即縮窄江道,減少進潮量,增大山潮水比值的整治原則.總結整治規劃實施過程中治江圍塗經驗,特別是「以圍代壩」和丁壩壩頭保護等工程措施.分析錢塘江河口大規模治江圍塗后對錢塘江河口潮汐、洪水位、河床以及杭州灣北岸深槽的影響
  4. The effect of reynolds number on rudder hydrodynamic performance is also analyzed. up to the stall angle the computed lift and drag agree well with measurements and other author ' s calculations, whereas stall angle, lift and drag beyond the stall angle are slightly under - predicted. the solver is used to investigate laminar and turbulent separated flows around a 6 : 1 prolate spheroid at high incidence angles and their effects on hydrodynamic forces

    應用所開發的求解器,以naca0015翼型舵為算例計算了船舵在不同雷諾武漢理三;大學博士學位論文數下大舵角范圍內的三維粘性流場及水動力,成功地預報了舵的失速角和最大升力,並初步探討了雷諾數對舵水動力的影響;計算結果與現有試驗和計算數據比較,吻合程度相當好,初步檢驗和驗證了該求解器精確模擬粘性流動和計算水動力的能力。
  5. Energy losses leading to a decrease in head are also done away with, likewise losses in flow rate from the screening installations, both of which can have a detrimental effect on the efficiency of the facility. the constructional effort required for a hydrodynamic screw is small compared to that required for a turbine. if the compact version of a hydrodynamic screw hydrodynamic screw trough power take - off unit combined as a single unit is used, the constructional effort can be further reduced

    水力螺旋機技術的優點有:無需監控系統,可自行調節水體供給和供給頻率運行效率高於水輪機和小型渦輪機效率梯度平穩轉速低20rpm - 80rpm ,運行穩定防磨損無需定期清潔,易維護對河道湖泊里的魚蝦無損害基礎工事少,安裝簡便無堵塞,無需隔欄裝置能量利用充分等。
  6. Based on the hydrodynamic energy transport model, the influence of variation of negative junction depth caused by concave depth on the characteristics of deep - sub - micron pmosfet has been studied. the results are explained by the interior physical mechanism and compared with that caused by the source / drain depth. research results indicate that with the increase of negative junction depth ( due to the increase of groove depth ), the threshold voltage increases, the sub - threshold characteristics and the drain current driving capability degrade, and the hot carrier immunity becomes better in deep - sub - micron pmosfet. the short - channel - effect suppression and hot - carrier - effect immunity are better, while the degradation of drain current driving ability is smaller than those with the increase of depth of negative junction caused by source / drain junction shallow. so the variation of concave depth is of great advantage to improve the characteristics of grooved - gate mosfet

    基於能量輸運模型對由凹槽深度改變引起的負結深的變化對深亞微米槽柵pmosfet性能的影響進行了分析,對所得結果從器件內部物理機制上進行了討論,最後與由漏源結深變化導致的負結深的改變對器件特性的影響進行了對比.研究結果表明隨著負結深(凹槽深度)的增大,槽柵器件的閾值電壓升高,亞閾斜率退化,漏極驅動能力減弱,器件短溝道效應的抑制更為有效,抗熱載流子性能的提高較大,且器件的漏極驅動能力的退化要比改變結深小.因此,改變槽深加大負結深更有利於器件性能的提高
  7. Theory analysis shows that surface roughness ' amplitude, wavelength, and texture on the bearing contact surface have a prominent effect on high - speed cylindrical roller bearing elasto - hydrodynamic performances ; reasonable choice of surface roughness ' amplitude, wavelength, and texture may improve effectively high - speed cylindrical roller bearing elasto - hydrodynamic performances

    理論分析表明:軸承接觸表面粗糙紋理方向、粗糙度幅值及其粗糙度波長對高速圓柱滾子軸承的彈流特性具有顯著的影響;合理選擇軸承接觸表面粗糙度幅值、波長及紋理方向,可以有效改善高速圓柱滾子軸承的彈流特性。
  8. Based on the depth - integrated 2 - dimensional mathematical model, the numerical simulation of the effect of a deep - water navigation channel project on the hydrodynamic flows is presented in this paper

    本文基於沿水深積分的平面二維非定常流動數學模型對長江口攔門沙水深水航道工程對長江口水域流場的影響作了細致的數值模擬。
  9. Under the cylindrical coordinate, the transit - time effect of the radial gap in the resonance cavity of rtto is studied by hydrodynamic theory. the equation describing the interaction between the electron beam and the high frequency field is obtained

    在柱坐標系統中,我們用流體理論方法分析了rtto諧振腔間隙的渡越時間效應,得到了在有限渡越角情況下電子束與高頻場相互作用的方程。
  10. The environment of yangtze estuary tidal flat is effected by the interaction of sea and land so that the effect of tide hydrodynamic is intensity and complex

    長江口濱岸潮灘環境在鹹淡水交替、出露和淹沒交替、沖淤交替等海陸交互作用的影響下,波潮流水動力作用強烈而復雜。
  11. Firstly, the mathematical models on a large ship undocking numerical simulation forecasting are studied and tested systematically. the ship hydrodynamic forces, the wind, wave and current forces, the shallow water effect and the wall effect are studied in detail. the mathematical model for solving the problem is established

    一、論文對大型船舶出塢過程模擬預報數學模型進行了系統的研究與實踐,對涉及船舶出塢過程中船舶水動力、船舶受到的風、浪、流各種環境力、淺水效應和壁岸效應等各種力都進行了深入的分析,採用了ocimf介紹的數學模型,求解環境載荷。
  12. Study on effect of hydrodynamic characteristics on reaeration progress

    水動力學條件對復氧過程的影響研究
  13. ( 2 ) the effect of rainfall splash intensity on hydrodynamic features of sheet flow indicated that, the former had a remarkable effect on the latter

    ( 2 )雨滴打擊強度對坡面薄層水流水動力學特性的研究結果表明,雨滴打擊強度對坡面薄層水流水動力學特性(流速、水深、流態、阻力系數等)影響顯著。
  14. Under the effect of hydrodynamic, nitrogen and phosphor transport dynamically on the tidal flat and adsorb, release and exchange complexly with sediment

    在水動力作用下,氮、磷元素在潮灘上發生動力輸移,並與沉積物之間進行復雜的吸附、釋放和交換行為。
  15. According to the mathematical model and the numerical method, the cavity shape and hydrodynamic characteristics of two kinds of head shape on cavitating axisymmetric bodies at zero attack are computed in this paper. because the discretization method have effect on the convergence of the results, different kinds of discretization are employed in the partially - cavitating and super - cavitating flows

    依據建立的數學模型與數值方法,對兩種典型的回轉體頭部線型(即頭部為光滑過渡曲線的回轉體和頭部有突變角度的回轉體)的局部空泡和超空泡繞流場進行了數值計算。
  16. Wuerxun and beier depression are regarded as prosperity in exploration. lt is very important that the palaeo - hydrodynamic effect on the hydrocarbon migration and accumulation

    烏爾遜、貝爾凹陷是海拉爾盆地最有勘探前景的二個凹陷。
  17. On the basis of consulting a large number of literatures domestic and aboard, the present situation and latest development of hydrodynamic characteristics of overland flow and slope erosion dynamic process were reviewed. aiming at revealing the effect of rainfall splash intensity on hydrodynamic features of sheet flow and slope erosion, with a combination of runoff experiment and simulated rainfall experiment with a fixed intensity, applying hydrodynamic and erosive theory, the effect of rainfall on overland flow velocity and the influence of rainfall splash intensity on hydrodynamic features ( such as velocity, flow depth, flow patterns, resistance ) of sheet flow on slope and the influence of rainfall splash intensity on the overland flow sediment contain was researched

    本文在查閱了大量國內外文獻資料,全面了解了坡面流水動力學特性及坡面侵蝕動力過程等方面的研究現狀及最新進展的基礎上,以揭示雨滴打擊動能對坡面薄層水流水動力學特性及坡面侵蝕的影響為目標,採用水槽放水試驗和定雨強模擬試驗相結合的方法,運用水動力學與侵蝕理論,研究了降雨對坡面薄層水流流速的影響,雨滴打擊強度對坡面薄層水流流速、水深、流態、阻力等水動力學參數的影響,雨滴擊濺作用對坡面流泥沙含量的影響。
  18. In this paper, the effect of plant cell aggregates, oxygen supply and gas composition, broth rheology, and hydrodynamic stress on plant cell growth and metabolite production in plant cell culture was discussed in detail

    本文針對植物細胞培養的基本特點,詳細討論了與大規模生產有關的工程技術方面的問題,如植物細胞聚集、溶氧及氣體成分、流體性能、剪切力對植物細胞培養產生的影響。
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