流體力學體積 的英文怎麼說

中文拼音 [liúxué]
流體力學體積 英文
vh, hydrodynamic volume
  • : 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...
  • : 體構詞成分。
  • : 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...
  • : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
  • : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
  • 流體 : [物理學] fluid; fluor流體力學 fluid mechanics; hydromechanics; 流體生物學 hydrobiology; 流體運動學 hydrokinematics
  1. Analysing the reasons of floating for objects in the reference system of non - inertia, the paper discusses the relationship between the depth and time, as well as the floating object and its acceleration, these relationships will provide convinient to explain some questions of the hydrostatics

    摘要通過分析浮在非慣性參考系中浮沉的原因,探討浮沉的深度與時間的關系、浮沉與加速度的關系,這些關系將給解釋一些問題帶來方便。
  2. The structure and operating principle of an air - charged split - type adjustable shock absorber was described, e non - linear parameterized mathematical model of this shock absorber ' s damping characteristics was established according to fluid mechanics theory and the main structural affection factors to shock absorber ' s damping performance, such as the diameter of piston valve orifice, the diameter of adjustable orifice, the initial volume of gas chamber, the diameter of piston rod, the inner diameter of oil pipe and so on, were analyzed by simulations

    摘要通過分析一種分式充氣可調阻尼減振器的結構和工作原理,運用理論,建立了該減振器阻尼特性的非線性參數化模型,模擬分析了活塞阻尼閥孔徑、阻尼調節孔徑、氣室初始、活塞桿直徑、油管內徑等主要結構參數對減振器阻尼性能的影響,通過試驗測試,得到了減振器樣件的阻尼特性及其可調范圍。
  3. On the basis of previous research works, new exploration wells, new appraisal wells and 3d seismic material are added to new research work in which rock and mineral, sedimentary facies and oil bearing characters are studied deeply by employing the methods of petroleum geology, sedimentary geology and reservoir geology. the results of reservoir prediction on fluvial sandbody in the upper of formation of guantao group obtained by using coherent analysis and acoustical impedance inversion bring good effect to the exploration and development of chengdao oilfield

    本文在以往工作的基礎上,補充新鉆探井、評價井和三維地震資料,運用石油地質、沉地質、儲層地質等原理方法,對埕島油田主含油層系館上段地層的巖礦、沉相及油氣富集特徵進行了深入的研究,對館上段河相砂進行了以測井約束地震反演為主的儲層預測研究,研究成果為繼續開展埕島油田的勘探開發提供了重要依據。
  4. The products inside sleek, not sense, the transmission fluid resistance small, can increase the flow and excellent chemical stability, health, drug - free

    該產品內壁光滑,不垢,輸送小,可以增加量,同時具有優良的化穩定性,衛生、無毒。
  5. The numerical algorithm of solving the adjoint equations for different design cases have been developed by using finite volume methodology which is usually used to solve the flow governed equation. it includes the some important aspects, such as flux formulation, wall and far - field boundary treatment methodology, dissipative term formulation, etc. after the solution of the adjoint equations is obtained, the derivatives of the cost function with respect to all the design variables can be evaluated with the same operation. this can yields a significant saving over the other gradient - based techniques when there are many design variables

    ( 3 )進行了應用控制理論和三維歐拉方程的機翼氣動反設計研究,以及有升約束情形下機翼跨音速減阻問題研究,分別推導了相應的共軛方程及邊界條件數表達形式,研究與發展了三維共軛方程的有限數值求解方法,及相應梯度公式的數值求解方法,通過對計算網格生成、場計算、共軛方程數值求解、梯度求解和優化演算法等多方面的有效結合,成功發展了三維機翼的氣動反設計和跨音速減阻優化設計程序,成功地進行了多個設計算例研究。
  6. The key items influent on the characteristics of spraying have been also studied in the dissertation, we can get a good spraying result by adjusting the related parameters efficiently. ( 3 ) the theoretical model of the dynamical parameters such as temperature, moisture, pressure and contour for hot medium and particle inside the drying chamber were obtained by model, utilized the computational fluid dynamics technique to solve the problem between spraying droplets medium by arranging the double grid dispersing structure and rotary outlet structure and the developed structure improved the drying efficiency and product quality

    ( 3 )採用-模型實現了壓噴霧乾燥塔的溫度場、濕度場、場的理論建模,利用計算( cfd )技術來解決噴霧乾燥過程中熱介質與霧滴間的傳熱傳質以及動量傳遞和湍擾動等問題,避免了乾燥過程中的設計不合理狀況;通過增加雙格柵均風裝置和旋轉出風裝置,改善了乾燥塔內的熱質傳遞,提高了乾燥塔的蒸發強度。
  7. The dynamic behavior of bubbles in the turbulent liquid is analyzed theoretically, the mechanism of bubble deformation and breakage is explored on the basis of kolmogoroff ' s isotropic turbulence hypothesis, and the mathematical model for predicting gas - liquid interfacial area is proposed

    同時,還從理論上分析了湍中氣泡變形與破碎的機理,提出了預測氣液相界面的多相湍模型。
  8. The purpose of this dissertation is to study the lagrangian method and conservative rezonning algorithm. finite volume scheme is used for lagrangian equations of hydrodynamics. because of the pressure gradients " influence upon velocities and energy, computational scheme is proposed for momentum equation on two control volumes in order to suspend the time when the mesh becomes distorted

    本文的目的是研究lagrange方法及重映演算法,主要內容可分為以下幾個方面:首先從分形式的二維lagrange方程組出發,用有限格式進行計算,考慮壓梯度分佈對速度和能量改變的影響,構造了在兩個控制上的動量方程的計算格式,使得速度的改變受其周圍八個壓的影響,在一定程度上推遲了網格相交的進程。
  9. A simplified set of equations for analysis of the filling. finite difference methods are used for the pressure calculation. advancement of flow f ront uses a control volume approachand dynamic simulation of the moldfilling process is achieved. other is wetting out process which is the most critical stage in rtm. this stage is a typical porous media flow problem

    從粘性的質量和動量方程出發,建立了描述充模動過程的數模型,利用有限差分法求解壓方程,並利用控制法跟蹤前沿;第二部分是充模動的主部分,屬于典型的多孔介質的動問題。
  10. ( 5 ) conclusion was obtained by the analyzing and studying the mechanics environment of the rock mass and the landslide on right bank : according to the analysis, the present direction of the maximal principle stress was consistent with the present tectonic stress field, the value of the principle stress increased or reduced in special place, and there was tensile stress region at the 2000m or above it on the left bank, the accumulate and adjustment was very limited in 200 years, the calculated result of the landslide indicated that the landslide on the right bank was stable under the various conditions

    ( 5 )壩址區河谷巖環境及右岸古滑坡的穩定問題分析得出:河谷巖場的分析顯示,河谷巖中主應的方向基本上與現今區域構造應場的方向一致,在一些特殊地帶巖的主應值有所降低或增高,特別是在左岸的2000m高程附近及以上,存在有明顯張應區。在未來200年變計算時步范圍內,河谷巖累與調整較為有限。同時對滑坡各種工況條件下的穩定性計算結果表明,右岸古滑坡在各種工況條件下是處于穩定狀態的。
  11. This article is mainly about the study on the dynamic characteristics of labyrinth seals and concludes the dynamic characteristic of labyrinth seals with the two - control - volume model by the means of turbulent flow theory and calculating fluid mechanics in order to further study on the flowing law of the labyrinth seals

    本論文圍繞迷宮密封場動特性系數的研究展開的,採用兩控制容模型,利用湍理論和計算的方法,深入研究迷宮密封內部動的規律、密封性能,獲得迷宮密封的動特性系數。
  12. In the fields of fluid dynamics, entropy inequality reflects the second law of thermodynamics. i. e. entropy must increase across shock waves ( a kind of discontinuity ). all kind of approximate schemes should reflect the fact that it must satisfies some kind of discrete entropy inequality ). from the view of practical computation, stability and theo - retical error of any kind discrete schemes all dependend of the smoothness of the solution of ( 0. 2. 1 ). generally, the approximate solution have good stability and theoretial error in the area where the solutions have more regularity and poor stability and theoretial error in other area

    來看,它事實上是熱第二定理的反映,即熵越過激波(一種間斷)要增加。各種估計格式構造的估計解應反映這一事實,即滿足熵不等式。從實際計算來看,總是通過離散化求解,不考慮計算的累誤差,它的穩定性與計算精度都依賴與真解的光滑性,一般說,在解較光滑的區域有較好的穩定性與計算精度,而在較粗糙的區域則相反。
  13. Using smoluchowsky and mooney ' s rheology theory we analyze that without magnetic field 77 will increase as s andv increase ; using the rosensweig ' s formula and hydromechanical theory, we can illustrate that in the magnetic field and the outside temperature being certain, 77 will increase as the magnetic field increase, when the magnetic fluid ' s s and v are determined

    在外磁場的作用下,綜合rosensweis公式及理論很好的解釋了在外界溫度一定時,基液質量百分比濃度s和磁性微粒分數人確定的磁性液,其粘滯系數司隨外磁場的增加而增加的原因。
  14. Based on the theory of fluid dynamics. transient - flow and vibration, the structure parameters of the air - volume ( such as the volume and position of the air - volume ) affect the pressure oscillation in piping system is put forward, and the designing method for the parameters of the air - volume according to the role of the air - volume is provided

    本文根據、瞬變以及振動的理論,研究了管道系統中空氣室結構參數(空氣室的容,安裝位置等)對壓脈動的變化規律,提出了根據空氣室工作任務要求設計空氣室的計算方法。
  15. On the basis of a full investigation and study and an integrated analysis of the geological setting and rock - mass mechanical environment of the bank slopes of the hydroelectric project area on the mainstream of the jinsha river and by combining the qualitative analysis with the quantitative evaluation, the authors calculated the instability of the sliding masses according to 1 / 8 and 1 / 11 of the total cubic capacity of the materials falling into the river and the surge wave heights at the falling sites as well as at the xiangjiaba and xiluodu dam sites and in adjacent townships according to the calculation method of the surge wave diagram given by the american society of civil engineers, made the risk evaluation of the bank slope instability with respect to the operation safety at the dam, safety of the cities and townships around the reservoir and safety of the reservoir operation, and put forward precautionary measures for bank slope instability

    摘要筆者通過調查研究和綜合分析金沙江幹水電工程區岸坡地質背景和巖環境條件,定性分析與定量評價相結合,採用與三峽工程庫區岸坡失穩危險性評價相類比的方法,針對崩滑失穩按總的1 / 8和1 / 11入江方量進行了計算和按美國土木工程會涌浪圖解計演算法計算了入水點及在向家壩壩址、溪洛渡壩址和鄰近城鎮的涌浪高度,並圍繞大壩施工安全、庫區周邊城鎮安全,水庫運營安全等方面對岸坡失穩的危險性進行了評價預測,提出了岸坡失穩的防治對策。
  16. Firstly, based on n - s equation, the momentum differential equation ( contained centrifugal force ) is derived by simplification in boundary layer and then integrates the differential equation over the thickness of the boundary layer, the momentum integral equation is deduced. the dimensionless centrifugal factor is introduced, then the solution of the momentum integral equation is obtained. the dimensionless group is introduced to determined separation of boundary layer

    本文首先根據粘性的一般方程,通過在邊界層內進行量級比較,在所限定的范圍內得到了含有離心的邊界層動量微分方程並給出其滿足的邊界條件,然後對該微分方程在邊界層內分得到離心泵葉輪邊界層動量分方程,在求解過程中引入了無量綱離心因子,並作了相應合理的假設,得出分方程解的一般表達式,並引入以邊界層動量損失厚度為主要特徵量的無量綱參數對邊界層分離進行評價。
  17. In this paper, hydromechanical theories, three - dimensional unsteady turbulent finite volume model and pheonics software are adopted to simulate the pressure field and the velocity field of the drainage pipe in allusion to the actuality of the necessary pressurization test before being used. then analyze the computational results and figure out the variational rules of pressure and velocity with different leakage location while close water test or close gas test is applied

    本文針對無壓管道交付使用前必須進行嚴密性試驗的現狀,運用基本理論和三維非穩態紊的有限模型,採用pheonics計算軟,數值模擬不同管徑下不同漏水點的滲漏情況,模擬閉水和閉氣試驗時管道內部的壓強場和速度場的變化,並分析計算結果,從中找出其變化規律。
  18. The relationship of the heat transfer coefficient with tea liquid concentration, heat transfer different temperature, vapor temperature, liquid flow rate, particle volume percent and different particle were studied. and analyzed the effect of liquid flow rate, particle volume percent on pressure drop. based on the character of inert particle fluidized bed evaporator, used the theorem, a mathematical model of inert particle fluidized bed evaporator heat transfer was proposed

    設計和建立了惰性粒子化床蒸發實驗裝置,進行了傳熱性能和的理論分析和實驗研究;研究了物料濃度c _ e 、傳熱溫差t 、蒸發溫度t _ v 、液量i 、惰性粒子分率_ s等操作參數對化床蒸發器傳熱性能的影響,文中還分析了液量i 、惰性粒子分率_ s等參數對床層壓降的影響。
  19. According to the theory of mechanics of solids and fluids, the volume variation during rock compression is studied, and it is concluded that fluid or hydrocarbon expulsion in rocks is impossible during the period of rock compression

    根據固的有關理論,研究了巖石在壓縮階段的變化關系,得出了該階段的巖石不可能排液、當然也就不可能排烴的結論。
  20. First, the dynamics characteristics of the heat - exchanger unit is analyzed carefully by using the knowledge of the fluid dynamics and heat transfer etc., and makes some reasonable simplicities and assumptions. so it establishes the mathematical model of the working process of the heat - exchange unit, and applies the recurrence parameter estimator to identifying and proving

    本文首先綜合應用、傳熱等方面的知識,分析了換熱機組的動特性,通過合理的簡化和假設,建立了換熱機組工作過程的數模型,並使用遞推參數辨識器對其主要參數加以估計和驗證,從而得到換熱機組的carma (受控的自回歸滑動平均)或carima (受控的自回歸分滑動平均)模型。
分享友人