流速公式 的英文怎麼說

中文拼音 [liúgōngshì]
流速公式 英文
velocity formula
  • : 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...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : Ⅰ形容詞1 (屬于國家或集體的) state owned; collective; public 2 (共同的;大家承認的) common; gen...
  • : 名詞1 (樣式) type; style 2 (格式) pattern; form 3 (儀式; 典禮) ceremony; ritual 4 (自然科...
  • 流速 : [機械工程] velocity of flow; strength; [水文] current velocity; current speed; flow rate流速管 pi...
  1. This paper analyzes the groundwater discharging course using fluidics theory and combining quay structure construction ; sets up the method of fast drainage by the dint of pipeline and blind ditch of fragment stone ; and gives the computational mathematical model for quay drainage and calculation formula for drainage process according to the principle of conservation of mass and underground percolation, which have been applied for quay ' s stability design and calculation

    應用體力學理論結合碼頭結構建設,分析了地下水排泄過程,藉助管道和碎塊石盲溝建立了港口碼頭快排水與擋墻基床排水的方法;運用質量守恆定律和地下水滲原理,建立了港口碼頭排水計算數學模型和排水過程計算,並用在了碼頭的穩定設計計算中。
  2. Information express way will exert unimaginable influence upon the communicative manners among people

    信息高路將對人們相互間的交產生難以想象的影響。
  3. By using both the prediction model from transportation ministry and the fhwa models, the prediction results were analyzed for high ways at different sections, different design speeds, detection points, traffic volumes, distances, heights, and at various other road conditions. the prediction results and the actual results were compared and the accuracy of prediction were assessed

    本文通過比較分析了fhwa預測模和交通部預測模在高路不同監測路段、設計時、測點、車量、距離、高差、地面狀況條件下的預測結果,並對預測結果和實測結果進行預測精度和變化趨勢的比較研究。
  4. The information highway exert a great influnce on people ' s interative ways of communication

    信息高路將對人們相互間的交產生難以想象的影響。
  5. What ' s more, we put forward some experienced formulas on the basis of the cortical analysis. the result of the research show that by installing diffluent piers with low ridge, we can eliminate the root of oscillatiny water jump, perfect the energy dissipation effect of water jump, also, we can improve the flow condition of down - stream. the fact that the main flow of down - stream is in the middle, not only effectively lower the speed of the bottom flow in the ridge rear, alleviate the erosion to the river bed, but also avoid the heavy wave resulted from the main flow in the surface, thus improve the surface wave of down - stream obviously. we can work out the body style parameters of diffluent piers with low ridge according to the project flow condition and experience formulas, and then reckon the down - stream surface wave condition for the protected building of the down - stream bank

    研究結果表明:設置低坎分墩后,消除了擺動水躍水舌擺動的根源,提高了水躍的消能效果,改善了下游水態。下游水體的主在中部,既有效的降低了坎后水,減輕水對河床的沖刷,又避免了主位於表面導致波浪過大的結果,下游的水面波浪明顯得到削減。依據經驗,可根據工程水條件設計出低坎分墩的體型參數,進而估算出下游沿程的水面波浪,為下游岸邊的砌護提供依據。
  6. Part one : this part introduces the summarization of the abs ( asset - backed securities ), which includes the conception, the basic theory, the features, the categories, the basic running process, and the circumstance of the research and development, etc. part two : the main contents of this part are the necessity and the analysis for the feasibility of the financing of securities depending on the charges of expressways, including the analysis for the feasibility of the financing of securities on the basis of the expressways " charges, the option between the two operation models, and the analysis for the feasibility of the operation of indigenization, etc. part three : this part mainly demonstrates how to design the plan of a company for the financing of securities and indigenization, which consists of the introduction of a company ' s background and the main problems to be confronted, the features of the basic assets and the analysis of the cash currency, the selection of spy, the design of trading structure, the product design of securities, etc. part four : this part discusses the financial evaluation about a company ' s design of the financing of securities and indigenization on the basis of the expressways " charges, the analysis of the risks and the analysis in general

    本文的創新之處在於: ( 1 )通過對我國《信託法》 、 《司法》等相關法律、法規的深入研究,提出在國內現行制度框架和市場環境下,以信託方設立特設目的機構的基本思路,並構架了類附擔保司債信託型和信託簽發企業銷售型兩種較為滿意的本土化交易結構方案,具有一定的理論創新性; ( 2 )將資產證券化這一金融創新工具應用到高路融資領域,論證了高路利用收費證券化融資的必要性和可行性,並提出了一個可供借鑒的操作性方案。本文可能的不足是在證券化產品設計方面由於筆者知識水平的欠缺,深感作得不是很深入,需進一步的完善和細化;另外對各種交易結構模的設計和分析只是一種理論上的探討,到底是否有效和可行需接受實踐的進一步檢驗。論文分為四個部份:第一部份,資產證券化概述,包括資產證券化的概念、基本理論、特點、基本形、基本運作程、國內外研究和發展現狀等。
  7. Universal type that guangzhou dongchen electric vehicle co., ltd develop the latest electric car mix with the motive to become soon the green environmental protection motor car, it broke the traditional consciousness, the way that whole car lines that tradition of limitless become soon, that car have the zero row to put, free from pollution, have no the noise, mentally retarded consume, start steady, long drive route, excellent climbing ability, the special advantage of low etc., function index sign of movement cost is already the advanced level, it broke the tool of traditional transportation means of transportation flowing freely of world, now a humanities culture for be in the leading, a nature consciousness for be in the leading

    廣州東辰電動車有限司最新款的普及型混合動力變綠色環保電動車,它打破了傳統的無極變,該車具有零排放、無污染、無噪音、低能耗、起動穩、行程長、爬坡力強、運行成本低等獨特優點,性能指標已達世界先進水平,它打破了傳統交通代步工具的局限意識,整車線條暢,體現一種領先的人文文化,一種領先的自然意識。
  8. As to the simulation, three - dimensional n - s equations and two - phase flow model, in which the liquid toluene spray as discrete particles was considered, were employed to describe the turbulent combustion processes in the combustion chamber. the mass and energy transfer between the two phases were calculated by the droplet evaporation model, and the arrehnius model was used to obtain the gas chemical reaction rate. the details of 3d flow field, the distributions of temperature and compounds were obtained by solving the equations

    數值模擬方面,應用三維湍n - s方程以及顆粒軌道模型描述了激光器燃燒室內部的噴霧兩相燃燒動過程,兩相之間的質量、能量交換由液滴蒸發模型計算,氣相化學反應率由arrhnius計算,通過耦合求解氣液兩相模型方程,模擬了燃燒室三維場,得到了燃燒室內的溫度和組分濃度分佈。
  9. 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,以及有升力約束情形下機翼跨音減阻問題研究,分別推導了相應的共軛方程及邊界條件數學表達形,研究與發展了三維共軛方程的有限體積數值求解方法,及相應梯度的數值求解方法,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減阻優化設計程序,成功地進行了多個設計算例研究。
  10. 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

    本文根據漫灘水的運動特點,將漫灘水的復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.根據灘槽交互區垂線分佈的變化特點,提出了附加尾函數的對數分佈.在簡化水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及含沙量沿橫向分佈進行了理論分析,提出了反映灘槽水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,得到了漫灘水垂線平均及含沙量沿橫向分佈的解析解,並與實測資料吻合較好
  11. The information superhighway will have unimaginable influence on the means of communication among people

    4信息高路將對人們相互間的交產生難以想象的影響。
  12. The subject of this thesis is to study ironless moving coil linear permanent magnet synchronous motor and the major works in this thesis are summarized as follows : 1 ) two analytical formulas are derived by concentrated current method and distributed current method to determine the magnetic field due to pm, based on the current model of pm. besides, two method ( magnetic charge method and solution by laplace equation method ) are also introduced with comparing their advantages and disadvantages. then the effects of the motor parameters on the flux distribution are discussed

    本文對空芯動圈直線同步電動機進行了深入細致的研究,內容包括: ( 1 )採用電模型推導出兩種計算永磁磁極二維氣隙磁場的解析(集中電法、分佈電法) ,同時介紹了兩種永磁電機氣隙磁場計算方法(磁荷法,直接求解拉氏方程法) ,分析各種方法的優缺點,討論電機參數對氣隙磁密的影響; ( 2 )介紹了單層同心繞組的布置方,根據安培定律推導出空芯動圈直線永磁同步電動機的靜推力計算,分析靜態力?位移特性; ( 3 )建立空芯動圈直線永磁同步電動機動態模擬模型,模擬不同驅動方下電動機起動、穩態運行時電磁力、度、位移的變化情況。
  13. On the basis of published research of experts and scholars, relations among the velocity of water, that of solid particles and that of settling slurry have been established by the analysis of momentum transmission between water and solid particles in the upward inclined pipeline. then the calculation formulae for the upward - inclined - pipe hydraulic gradient are derived

    本文在系統總結現有專家學者的研究成果基礎之上,通過分析向上傾斜管道輸送中清水與固體顆粒的動量傳遞過程,從動量守恆的角度建立了清水度、固體顆粒度和漿體之間的關系,進而推導出了向上傾斜管道輸送的水力坡度計算
  14. Chengdou wangjiang hotel is the five - star water - round garden hotel, located in the historic culture city dongyu of chengdu city, near the two - circle road and chengyu highway. the hotel takes up an area of more than 200 mu, assemble thousands of kinds of flowers and trees of masterpiece, long - term green shade is covered densely, the birds and flowers are in riotous profusion ; a waterside pavilion of pavilion, the brook is murmuring, there are top - grade villas that are set off into it even more, the natural human cultural sight enhances each other s beauty, become garden type one of the hotels the city

    成都望江賓館成都望江賓館是一家環水大園林五星級賓館,位於歷史文化名城成都市東隅,近鄰二環路和成渝高路,距飛機場15里,火車站9里,交通便捷。賓館佔地200餘畝,薈萃精品花木上千種,常年綠蔭濃蓋,花鳥繽紛亭臺水榭,溪潺潺,更有高檔別墅掩映其中,自然人文景觀交相輝映,是成都市園林賓館之一。
  15. And then the author established and verified an empirical equation for the ratio of the heights of collapsed part and running part for the avalanche soils, suggested the critical flow conditions of loose avalanche soils and block avalanche soils, discussed the causes of accelerated motion of consistent debris flows on mild slope, and studied the average velocity of intermittent debris flows

    給出了判別崩塌土相對運動距離,即高比,並用現場實測資料進行了驗證。提出了鬆散崩塌土和塊狀崩塌土動化的判別條件。探討了稠性泥石在緩坡上加運動的成因,並討論了陣性泥石平均流速公式
  16. Modified formula for sensorless dc motor speed estimation was proposed through the test for relationship between the current ripple frequency and the rotation speed in a 4 - pole dc motor

    摘要根據4極直電動機的轉與脈動電頻率關系的實驗結果,對現有的無傳感器直電動機測提出了修正意見。
  17. Analysis is done on the change rules of liquid " s temperature along with the pipeline " s distance. the paper points out the defects of the const pressure wave velocity method and do some improvements on it : rebuilding the expressions of the pressure wave velocity in accordance with the simpson ' s rule

    分析了管道內的體溫度隨傳輸距離而變化的規律,並指出了此規律對管道負內壓力波傳播度的影響。指出了常負壓力波波定位方法的局限性,並採用改進的負壓力波定位技術,將管道內的負壓力波採用復化辛普森進行了改造。
  18. Velocity equations are included in the technical data section. when sizing swing check valves, the seat port velocity should be controlled within the general ranges specified below

    《技術資料》內包括流速公式。在選擇旋啟止回閥的通徑時,閥座埠的應該控制在下列指定的一般范圍內。
  19. The influence of insulation effect and resistance property of the cryogenic system on the temperature rise was discussed, the formula of flow temperature rise and optimal flow rate was deduced, the relationship among the flow rate, pipe diameter and flow temperature rise was analyzed and the way to determine flow rate and pipe diameter was introduced

    摘要論述了低溫系統絕熱性能和阻特性對液溫度的影響,推導了液溫升及最優流速公式,分析了和管徑與液溫升的關系,提出了確定和管徑的方法。
  20. In the suspended sediment transport model, the method of shear stress is adopted to determine the source function in the suspended sediment diffusion equation. through a series numerical experiments and statistical analyses of observed field data, a local coefficient, which can reflect the bottom material and consolidation, is introduced into the classic critical erosion velocity of the sediment

    懸沙輸運模型利用切應力方法來確定對擴散方程中的泥沙源函數,其中的臨界起動度利用經典的泥沙起動流速公式前面增加一個局地系數得到,這個系數能反映河床底質結構及固結程度,通過系列數值試驗和實測資料的統計分析確定。
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