速度對數分佈 的英文怎麼說

中文拼音 [duìshǔfēn]
速度對數分佈 英文
logarithmic velocity profile
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • : 數副詞(屢次) frequently; repeatedly
  • : 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
  1. In the bed load layer, the stream - wise particle velocity profile follows the log - law, and the average is 8. 2u *

    在推移區內,顆粒的縱向沿垂線接近,平均運動為8
  2. Firstly, this paper contrapose the disfigurements which exist in the internal gis software, the trend and technology of gis in the era of internet was discussed. secondly, using distributed computing technology to solve the problem of speed, making use of distributed database technology to settle the data distribution and share problem and utilizing distributed object technology to solve the problem of integrating the subsystems. finally, according to analysis for actual problem i have met in my developing process, this paper put forward a blue print which is very available to webgis based on distributed environment

    本文首先針目前國內gis軟體的缺陷,網際網路時代地理信息系統的發展趨勢和技術進行了探討;然後提出利用散式計算技術解決問題,利用散式據庫技術解決據共享問題以及利用散式象技術克服各子系統集成問題的思路,探討了在上述技術的基礎上開發動態更新的webgis ;最後通過實際應用中所遇到問題的析,提出了切實可行的基於散式環境的webgis解決方案。
  3. 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,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,析研究了中低佛勞德條件下,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、壓強特性,摻氣濃等水力學問題,並提出了實現附加射流齒墩設施的水力設計方法和步驟。
  4. Numerical calculative simulation could factually reflect the dynamic characteristics of the whole equipment and inner flow and diathermancy of split - stirling crycooler. through the calculation, the velocity, temperature, pressure and other detailed information of airflow in any position inner the crycooler could be gained ; the distribution of each parameter could be confirmed and reasonable explanation for the experiment result could be made

    值計算模擬能接近真實地反映置式斯特林製冷機的整機和內部流動、傳熱的動態特性,通過計算可以得到製冷機內部任一位置的氣流流動的、溫、壓力等詳細信息,確定各參情況,並可以實驗結果做出合理的解釋。
  5. Firstly, simulate flow field of rear smoke channel, plot velocity magnitude and ash concentration distribution in section of entry of heat pipe air preheater, compare with data which were measured in guiyang power station, verify simulation to be reasonable and right. secondly, simulate all kinds of factors which affect flow field ' s uniformity such as length, thickness, location of diffluent board, ash concentration, ash diameter, and so on, find the chiefly factors. thirdly, install guide board in curve channel in rear smoke channel, then simulate its " flow field, plot velocity magnitude and ash concentration distribution

    在此基礎上模擬在冬夏兩季不同情況下,不同流熱管空氣預熱器壁面溫的影響;然後影響整個流場的各種因素:包括流板長、厚、偏離中心流道位置的偏離、飛灰濃、飛灰粒徑等因素進行值模擬;最後提出在流煙道轉彎處加裝導流板,並模擬加裝導流板后的流場,得到下級空氣預熱器出口、熱管空氣預熱器進口處的斷面、濃,以論證加裝導流板能達到流場均勻化的作用。
  6. As we know, inverse techniques make blade ' s profile well compatible with its surface velocity distribution, however, they give designers big challenges that the ideal velocity distribution is hard to obtained and sometimes the non - physical solution, such as double covering of flow field or unclosed profiles, would come out. the proposed design procedure in the paper has avoided the disadvantage mentioned above. in this paper, a quasi - irrotational equation is used to describe the flow in cascade instead of the generally used irrotational equation

    眾所周知,一般的反問題和混合問題的最大特點,是在給定的壓力面和吸力面上的壓力條件下,直接得到葉片的幾何形狀,它可以使葉型型面與表面氣流參有機結起來;其不足之處在於,設計者而言,很難給定理想的葉片表面壓力,並且有時會得到一個非物理解,如:得出的初始葉型可能會出現前緣、尾緣不封閉的現象。
  7. By comparing the dry plate pressures drop and distributions of velocities simulated on single valve with those of double valves, it was found that there was intense turbulence in the flow fields around fixed - valve, there were eddy areas between valve side orifices and tray wall, there were eddies above the valves too, these led to the complex behaviors of gas perforating valve, these had a great effect on the gas - liquid mass transfer process. at the same time, in order to prevent the disadvantageous effect of gas between one valve with another on the gas - liquid mass transfer, it was very effective to change the fields of gas perforating valve by folding the edges of valve

    通過值模擬得出的單閥和雙閥塔板的干板壓降及流場比后發現,固定閥周圍流場存在較強的湍動,閥側孔與塔板壁面區域以及閥體的上方空間存在明顯的渦流區,使氣體穿閥后的行為變得復雜,並氣液傳質過程產生重大影響;模擬結果表明,為防止和削弱固定閥間的沖造成的「死區」傳質帶來的不利影響,通過折邊來改變氣體的氣路是非常有效的,模擬值與實驗值基本得到吻合。
  8. Our research analyzes comprehensively the sand data, such as thickness distribution, velocity distribution, frequency distribution of sand incipience velocity, expatiates the behaviors of these two sand incipiences in wind - blown - sand flow, then our research amends some deficiency of relative researches

    本文全面析了沙粒濃和沙面上起動沙粒的頻率等,闡述了兩種沙粒起動方式在風沙流中的不同表現,並相關研究資料中的不足進行修正。
  9. 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

    不同的粒徑和不同的水流條件,顆粒縱向平均都符合規律,垂向和橫向的平均屬于隨機波動的范圍。
  10. 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發展的圓管湍流,通過實驗和值模擬圓管湍流的若干基本規律,如平均、相湍流強定律、馮?卡門常和再附著長等進行詳細的研究,以填補前人研究中的一些空白,並獲得更深入的了解。
  11. The conclusion is that inductive electromotive force, gotten from sensor with the distribution regularities of weighting function, is proportional to the average flow velocity in pipe and is not relevant to the distribution of flow velocity when flow velocity is non - central symmetry with the central axis. so electromagnetic flowmeter could solve the question of high accuracy in principles

    得出按權重函規律的傳感器,在流非中心軸時,感應電勢僅與平均流呈正比,而與流無關的結論,從而從原理上解決電磁流量計了高精測量的問題。
  12. By means of a detailed analysis to the interaction between droplet and its carrying fluid for horizontal stratified / atomization two - phase flow, a theoretical model is proposed to calculate the droplet axial velocity profile and the relative slip between dispersed phase and continuous phase

    摘要通過水平層霧化流中液滴和其攜帶流體間交互作用的析,提出了一個預則水平層霧化流中軸向液滴以及彌散相和連續相之間相滑移的理論模型,通過計算獲得了兩相及相滑移參
  13. 5. the seed fill algorithm in graphics was introduced into the between - rows weed detection to fill the areas connected with the centre of the crop row. in order to gain the faster processing speed, an improved scan - line seed fill algorithm was developed successfully

    根據雜草多於作物行之間的裸土區的位置特徵,首次引入圖形學中的種子填充演算法識別行間雜草,並且針傳統種子填充演算法比較費時的缺點,研究改進的掃描線種子填充演算法,顯著提高了填充
  14. The velocity distributions, the relative mach number distributions and the flow trace distributions are visualized, and the reasons, which cause bad aerodynamic losses and make the flowfield complicated, are analyzed, including wake, secondary flow, separated flow and the interaction between shock and boundary layer

    顯示壓氣機內的場、相馬赫及流動跡線等,並析造成嚴重損失及使流場趨于復雜紊亂的原因,包括尾跡、二次流、離流及激波/附面層干擾等現象。
  15. The calculating results show : ( 1 ) most of samples are located in 5 kpc - 10 kpc from galactic center. all of the sample clusters present a spherical symmetrical distribution around the galactic center, and their space velocities are presented a ellipsoidal distribution ; ( 2 ) according to the metallicity and basic characters, the sample clusters are separated into hb subgroup and mp subgroup. the number of samples are changed with metallicity [ fe / h ], and there is a peak at [ fe / h ] = - 1. 6 ; ( 3 ) the orbits of sample clusters show mostly limited, periodic characteristics, but the orbits are not closed completely, their maximal galactocentric distance is less than 40 kpc

    計算結果表明: ( 1 )大部樣本星團都位於銀心距5kpc 10kpc的范圍內,相于銀心呈球,它們的也呈橢球; ( 2 ) 29個樣本星團按其金屬大小和基本性質類,可屬hb和mp兩個球狀星團次系,且樣本星團隨金屬[ fe h ]而變化,在[ fe h ] = - 1 . 6處出現一個峰值; ( 3 )所有樣本星團的軌道運動都呈周期性,大都在一個有界而不封閉的周期軌道上運動,其最大銀心距都在40kpc以內。
  16. To solve the mathematic equations, the method based on condensation degree was used. the distributions of temperature, concentration and mass flux on the film surface ; of temperature and concentration in the vapor ; of heat transfer coefficient in the vapor and in the liquid were obtained by applying the model in the flow field

    採用冷凝的方法學模型進行求解,得出了汽相的濃和溫,界面處濃、溫和傳質,以及汽相和液相的傳熱系
  17. In the experimental data processing, the application of mqd cross - correlation arithmetic is successful in obtaining the properties of particle velocities under different operating conditions

    循環流化床冷態試驗臺進行piv測試試驗研究中,運用mqd互相關處理演算法獲得了不同工況下顆粒運動規律。
  18. Abstract : according to the site condition of the bisc, a mathematical model of two - dimensional unsteady solidification and heat transfer was established for the bloom caster in the mold. the mathematical model was solved with a finite difference method to characterize the temperature profiles and thickness of the solidified shell in the mold, the effects of casting speed on thickness of the solidified shell are also studied

    文摘:根據包鋼的現場條件,建立了大方坯連鑄機結晶器內二維非穩態凝固傳熱學模型,採用有限差學模型求解,得出結晶器中鑄坯的溫規律和凝固坯殼生成規律,同時研究了拉坯坯殼生成厚的影響
  19. We studied the influence of 2d supersoni c slope flow to the far field intensity distribution of 10. 6um and 1. 315um laser beam when flow is in different inflow mach number

    研究了二維超音繞楔流動在不同馬赫下的流場時均參波長別為10 . 6 m 、 1 . 315 m的激光束的遠場強的影響。
  20. The calculated results of cold nozzle flow are in agreement with some cold test one. through calculation, the parameter distributions of regulated nozzle flows were obtained. they state that the design of the regulated nozzle is reasonable, and its velocity loss at discharge section is less than 2. 3 % comparison with no regulated nozzle

    3 、計算結果與已有的試驗結果比相符,計算獲得了可調噴管的流場參,表明可調噴管的設計合理,與不可調噴管相比,流動的出口平均損失小於2 . 3 。
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