速度分佈律 的英文怎麼說
中文拼音 [sùdùfēnbùlǜ]
速度分佈律
英文
law of distribution of velocities- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 律 : Ⅰ名1 (法律; 規則) law; rule; statute; regulation 2 (律詩的簡稱) short for lüshi 3 (姓氏) a ...
- 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
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Given the initial conditions including ( 1 ) number density distribution in space which has the similar form to the present day ones, ( 2 ) both the power law and gaussian mass functions for clusters, and ( 3 ) two different velocity distributions which one has a constant dispersion and the other is described by the eddington formula, the dynamical evolution of globular clusters in our milky way galaxy is investigated in detail by means of monte carlo simulations
本文採用與觀測結果具有相同形式的球狀星團空間密度分佈函數,在給定兩種球狀星團系統的初始質量譜(冪律的和對數高斯的)和兩種球狀星團系統的初始速度分佈函數(愛丁頓速度分佈函數和常數的速度彌散度)條件下,我們採用montecarlo的方法對球狀星團系統的動力學演化進行討論。Based on the ostwald - de waele equation, the leakage characteristics of power - law transmitted by helical gear pump are researched, and the leakage model of power - law in the clearence is founded, and - the velocity distributing and the leakage capacity are worked out by the boundary condition. the power loss of leakage is got through the clearence leakage capacity, and the friction power loss is attained by the velocity distributing. the mathematic calculation model
利用冪律流體本構方程,首次對聚合物流體在斜齒齒輪泵中的漏流特性進行了研究,建立冪律流體在間隙中的泄漏模型,利用邊界條件求出速度分佈及泄漏量;由間隙泄漏量得到漏流損失功率,由速度分佈得到流體摩擦功率損失,並得到間隙最優解的數值計算數學模型,同時給出實例及數值計算結果。The distribution law of radial velocity of flow field in hydrocyclone
水力旋流器流場徑向速度分佈規律研究The spatial complexity of the law of allometric growth and urban population density
城市密度分佈與異速生長定律的空間復雜性探討The distribution of concentration still obeys the diffusion law, only the efftects of the group particle fall velocity and the dispersive force on the diffusion index z1 shall be considered
懸沙濃度分佈仍遵循擴散定律,但擴散指教z1將受到顆粒群體沉速和離散力的影響, -般為y的函數。The goal of this paper is to study fully developed turbulent pipe flow. with the aid of the tripping annulus at the inlet, based on the experimental investigation and numerical simulation, detailed researches on a few basic rules in pipe flow have been performed, such as mean velocity profile, relative intensity of turbulence, the log - law, von karman ' s constant and reattachment length, thus filling some gaps in the research work of predecessors and obtaining a far - reaching understanding
本文的目的就是利用入口擋環進一步探索充分發展的圓管湍流,通過實驗和數值模擬對圓管湍流的若干基本規律,如平均速度分佈、相對湍流強度、對數定律、馮?卡門常數和再附著長度等進行詳細的研究,以填補前人研究中的一些空白,並獲得更深入的了解。With increasing viscosity, the velocities of power law fluid and particle showed the same trend
隨著稠度系數的增加,冪律流體和顆粒相的主流速度分佈出現了與流動指數帶來的影響相似的趨勢。Abstract : a tube reactor mixed by an axial continuous flow and four side jets as the dispersed flow is studied. the concentration distribution of the dispers ed flow was measured by means of the laser light scattering. the different flow patterns revealed the special construction of concentration distributions in relation with the velocity ratio of side flow and axial flow
文摘:研究了圓管反應器中四束側向對撞射流與軸向流形成的混合流動.應用激光粒子散射成像測量了側向分散相在混合流中的濃度場分佈,得到了不同的濃度分布圖形隨側向流與軸向流速比關系,揭示了內在有規律的獨特的濃度分佈結構Comparing with the current observations, which include the number density distribution in space, mass function, etc., the so - called standard modes for both the power law and gaussian cluster initial mass functions are selected among many runs of simulations. the deviation from the standard modes, which is resulted from the change of the parameter for the initial conditions, is discussed in detail. the discussion of the model parameters is also presented although they are adopted as the typical values based on previous work
對應一定的初始分佈我們發現無論是冪律的還是對數高斯的球狀星團初始質量譜經過長時間的動力學演化都會得到和現在銀河系觀測到的球狀星團系統相符的對數高斯的質量分佈;動力學演化會明顯地改變球狀星團系統的空間密度分佈,靠近銀心區域的球狀星團瓦解得更多;經過動力學演化后的球狀星團速度分佈函數在靠近銀心的區域明顯得不同於初始分佈,初始擁有較大軌道偏心率的球狀星團更容易瓦解。Validation of the observing velocity data in different channels indicates that the velocity distribution law given by authors is in accordance with the real velocity - distribution perfectly in open channel ; and the relative error between observing value and calculating value of point velocity is small, which can satisfy the precision requirement in the calculation of velocity distribution and discharge in open channel
採用不同管道流速資料進行驗證,表明所提出的明渠流速分佈律與實際分佈一致,對應測點流速相對誤差較小,可以滿足明渠流速分佈及流量計算精度要求。Using cfx4. 3 code with finite difference and simplec methods, the temperature distribution of ladle lining baked at different preheating temperature of combustion gas was studied numerically and experimentally
利用計算流體力學軟體cfx4 . 3 ,採用有限差分方法和修正的速度壓力耦合演算法simplec ,計算了某廠蓄熱式鋼包內襯的溫度分佈,重點分析了不同氣體預熱溫度下鋼包內襯溫度的變化規律,並進行了實驗驗證。The 3d turbulent flow fields around high - speed trains of four kinds of model uain have been calculated by 3d parallel compute program coded with the algorithms presented in this thesis. from the calculation results, the aerodynamic drag of different types of model trains are obtained, some characteristics of the flow field over the high - speed train are analyzed preliminarily such as pressure distribution and diversification, velocity distribution and diversification, and the affections of different train head shape to pressure. velocity, pressure gradient and the like
用三維并行計算程序模擬了四種不同高速列車車型的外流場,獲得了不同車型的運行阻力;詳細分析了列車附近流場的壓力分佈及其變化情況,討論了列車頭型對列車通過時產生的壓力波動的影響;分析了四種車型外部流場的速度分佈規律及其變化情況,分析了列車頭部形狀對它們的影響。Current. in order to make diffluent piers with low ridge to be popularized and applied, the surface wave of low fr. current is chosen as the research object. we measure the surface wave elements and the velocity distribution of various diffluent piers scheme by the experiment of physical model. we also analyze the average wave height, the the average value of the square of wave, unit width of the wave ' s energy, the probability density distribution of wave height, and the power chart character, so as to reveal the weakening wave mechanism of the diffluent piers
低fr水流的核心是波浪問題,為了低坎分流墩的推廣應用,本研究以低fr水流的表面波浪作為研究對象,通過物理模型試驗,對各種分流墩方案消能工的下游水面波浪要素、流速分佈進行測試,分析低坎分流墩下游波浪的平均波高、均方根、單寬波能、波高概率密度分佈及功率譜特性變化規律,從而揭示了低坎分流墩的削波機理。In order to study the combustion process and the movement of propellant in the barrel, a multi - photo x - ray experiment system was designed. four groups of photos under different ignition systems were obtained, and these photos were manipulated with digital image manipulation technology. the gray degree of the photos was averaged, and the information, such as density, velocity of the projectile and the trace - indicating grains and confliction velocity of the propellant against the projectile under the consideration of the velocity of the projectile, was extracted and analyzed quantitatively
本文就利用由多幅脈沖x光攝影技術所獲得的四種不同點火條件下的火炮膛內火藥顆粒群運動狀況的陰影照片,進一步利用數字圖像處理的技術及相關演算法,編制軟體對照片進行了處理,統一了照片的灰度,最終在定量上獲得了不同點火條件下的火藥顆粒的密度分佈規律、彈丸和示蹤藥粒的運動速度以及在考慮到彈丸運動的前提下的火藥顆粒與彈丸的撞擊速度。The existence of a log - law in the centreline velocity profile and the variation of the turbulence intensity in the centreline were discussed in detail
進一步探討了軸線速度分佈中對數定律的存在和軸線上相對湍流強度的變化情況。It was found be compared the two - phase flow of power law fluid - solid with that of liquid - solid that the fluid velocity of power law fluid - solid was bigger than that of liquid - solid and the particle velocity distribution of power law fluid - solid was flatter than that of liquid - solid
對帶顆粒的冪律流體的兩相流流動與液固兩相流流動做了比較,冪律流體兩相流的流體速度在管道中心附近的大部分區域比液固兩相流的流體速度流動的速度大,而顆粒相的速度分佈比較平坦。The analysis of the distributions of simulated strain and velocity shows that the fins are multi - step local deformed
對模擬的應變分佈和速度分佈分析說明,齒成形的多道次局部成形規律。The numerical results show that the horizontal variation of response acceleration of gravity retaining wall is quite small since its lateral rigidity is large enough, the response at a given height level can be considered as the same, the maximum accelerations at different heights on the central vertical line can describe the distribution of earthquake load along the wall height in static analysis very well
數值結果顯示,重力式擋土結構剛度很大,地震加速度反應在水平方向差異很小,可看作是同步的,可取中心線上各點最大加速度來描述靜力法中地震作用沿高度的變化規律。在沿墻高度方向,加速度分佈不是呈直線變化,比較復雜,總的變化趨勢大體一致。L. the experiment measured the flow field of pump inlet by seven - hole cone probes under two kinds of flux, and gained pressure and speed distribution in this field, then obtained the rule of vortex field distribution
採用七孔測針對兩種流量下泵入口流場進行了測量,得出了流場的壓力和速度分佈,在此基礎上,擬合出了渦量場分佈規律。 2The gravitational field only causes the difference of the number of molecules at different heights, and the distributive regulation of molecular speed has nothing to do with the existence of the gravitational field
重力場只引起分子數在不同高度的差異,分子速度分佈的規律與重力場的存在與否無關。分享友人