速度橫向分佈 的英文怎麼說
中文拼音 [sùdùhéngxiàngfēnbù]
速度橫向分佈
英文
velocity traverse- 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
- 橫 : 橫形容詞1. (蠻橫; 兇暴) harsh and unreasonable; perverse 2. (不吉利的; 意外的) unexpected
- 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
- 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
- 橫向 : broadwise; infeed; crossrange; abeam;transverse; transverse direction; cross; crosswise; lateral;...
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The frequency curve of transverse distribution of the wheel track on divided ways reveals that the frazzled damage of highly channelizing expressway cement concrete pavement largely occurs in the peak range of distribution curve of the wheel track
摘要分車道行駛輪跡橫向分佈頻率曲線顯示,渠化程度較高的高速公路水泥混凝土路面磨損破壞主要集中在行車道輪跡峰值范圍。In this paper, some characteristics of flow movement and sediment transport are analyzed by using the flume experiment data. the cross section of compound channel can be divided into four regions : the undisturbed region in main channel, the interactive region between channel and plain, the undisturbed region in flood plain and the boundary region. in the undisturbed regions, the distribution of longitudinal velocity along the depth has the feature of lograithmic. whereas, in the interactive region, the longitudinal velocity does not obey the logarithmic distribution law, but it can expressed as a revised logarithmic function by using a wake function. on the basis of the kinematic equation the velocity distribution of transverse velocity is obtained. in the boundary region, the longitudinal velocity obeys the law of parabolic distribution. furthermore, according to the simplified diffusion equation, the transverse distribution of sediment concentration in the interactive region is deduced. the analysis is in good agreement with the measured data
本文根據漫灘水流的運動特點,將漫灘水流的復式斷面分為主槽平衡區、灘槽交互區、灘地平衡區及邊壁區等4個區,並給出了各區寬度的經驗公式.根據灘槽交互區垂線流速分佈的變化特點,提出了附加尾流函數的對數流速分佈公式.在簡化水流運動方程和泥沙擴散方程的基礎上,對灘槽交互區內垂線平均流速及含沙量沿橫向分佈進行了理論分析,提出了反映灘槽水流動量交換強度的橫向渦量粘性系數及橫向擴散系數的表達式,得到了漫灘水流垂線平均流速及含沙量沿橫向分佈的解析解,並與實測資料吻合較好The distribution of stream - wise particle velocity follows the log - law under various flow conditions and for different particle diameters, and the fluctuation of the other two velocity components is random
對不同的粒徑和不同的水流條件,顆粒縱向平均速度都符合對數分佈規律,垂向和橫向的平均速度屬于隨機波動的范圍。1, travel times of 91138 pn arrivals recorded from china and adjacent regional earthquakes are inverted in a tomographic study to map the lateral variations and anisotropy of pn velocity of the uppermost mantle
1 、用91138條pn射線的走時反演出中國大陸上地幔頂部的p波速度橫向變化和各向異性分佈。At last, three - dimensional mathematical model of gas - particle two phase turbulence was established, and it was adopted to study the gas - particle two phase rectangular jet as well. the distribution of the time - averaged velocity and turbulence intensity was studied, and some of the simulation results were compared with the experimental results ; the coherent structure of flow field was described in the three direction, the evolution and motion of the eddies was discussed too ; the dispersion of fine particles in the three dimensional space was also investigated
全面地分析了矩形射流氣相時均流場的速度、湍流強度的空間分佈規律,並就部分數值模擬結果與實驗結果進行了對比研究;描述分析了氣相流場湍流擬序結構,對流向、橫向和展向三個方向旋渦的空間結構特點進行分析研究,並分析了流向渦隨時間變化的發展、運動規律。During this paper, definition of the measure enter - cover - probability is given, andthree - dimension detection space are transformed to level detection circles on differentheights. aiming at the most normal situation of symmetric line, cross - to line and cross - awayline taken by the carrier, probablely - enter - cover - target - distribution are analysed in relativemovement method on the premise that targets fly perpendicular to the flying direction of thecarrier. mont - cario method is used to simulate uniformly - distributed - targets situation and getthe measure, and results are used to analyse the influence of line - landscape - orientation - ratio, line - portrait - ratio, and speed - ratio on the measure. for further research, influences of height and blind space are also discussed on base ofradar level detection range, and situations of non - uniformly - distributed targets are alsoresearched
為了分析主動探測空間動態性能,本文首先提出以「目標進入雷達覆蓋區概率」 (簡稱為「覆蓋率」 )作為評價指標;然後將三維探測空間轉換為不同高度層對應的水平探測圓,針對載機採用雙平行航線、交叉相向航線和交叉同向航線的最一般情形,採用相對運動的方法,分析目標垂直入侵時可能進入雷達覆蓋區的目標分佈情況;再運用蒙特卡洛法進行模擬計算,分析並比較目標服從均勻分佈時航線橫比、航線縱比及速度比對性能的影響。The distribution of streak width along the lateral direction shows that the width attains its maximum value at the central line and becomes narrower toward the side wall, and its distribution is symmetrical about the central line of the flume
低速帶寬度在水槽中心位置最大,往兩邊的邊壁逐漸減小,而且在橫向上相對於水槽中心線對稱分佈。低速帶間距與寬度的比值約為2 0 。分享友人