流速場 的英文怎麼說

中文拼音 [liúsùchǎng]
流速場 英文
velocity field
  • 流 : 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...
  • 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...
  • 場 : 場Ⅰ名詞1 （平坦的空地 多用來翻曬糧食 碾軋穀物） a level open space; threshing ground 2 [方言] （...
  • 流速 : [機械工程] velocity of flow; strength; [水文] current velocity; current speed; flow rate流速管 pi...
  1. The influence of inflow velocity, the baffle body height and the clapboard position on the flow velocity, flow equilibrium between the two sides of the clapboard, particle distribution, rich / lean concentration ratio and flow resistance characteristic are studied numerically

    文章研究了來流速度，撞擊塊高度、隔板位置等因素對氣相速度場、隔板兩側配風均勻性、顆粒濃度、濃淡分離比和燃燒器內阻力特性的影響。
  2. 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，不同流速對熱管空氣預熱器壁面溫度的影響；然後對影響整個流場分佈的各種因素：包括分流板長度、厚度、偏離中心流道位置的偏離度、飛灰濃度、飛灰粒徑等因素進行數值模擬；最後提出在分流煙道轉彎處加裝導流板，並模擬加裝導流板后的流場分佈，得到下級空氣預熱器出口、熱管空氣預熱器進口處的斷面速度場分佈、濃度場分佈，以論證加裝導流板能達到流場均勻化的作用。
  3. The experimental results showed that the extraction rate and mass transfer flux increased with the field strength increasing

    在自行設計的連續電泳萃取池內實驗研究了電場強度、兩相流速等因素對丁醇萃取率及傳質通量的影響。
  4. Numerical simulation study on three - dimensional velocity field of fluvial channel current

    河道水流三維流速場的數值模擬研究
  5. On the other hand, it is indicated that the velocity field consists of a depth - independent inertial oscillation and a time - mean shear flow, which can be obtained by subtracting the inertial oscillations time mean in one inertial period. the hodograph of the velocity vector of time - mean flow at the different depths consists of a ekman spiral, and the surface velocity is 30. 3 ? to the right of the wind

    一維模式的流場結果表明，混合層中的流場是由慣性波動與時間平均流兩部分疊加而成，且通過時間平均消去慣性波動后得到平均流，其不同深度的流速矢量構成一ekman螺旋，表層流速矢量相對風向右偏了30 . 3 』 。
  6. The processes of surface elevation, current velocity in the compound fluid model and suspended sediment concentration in the suspended sediment transport model are verified by observed data of many stations in flood / dry season and in spring / middle / neap tide

    復合流場模型的水位過程、流速過程，以及懸沙模型的含沙量過程則經過了洪、枯季及大、中、小潮的多個站點的實測過程驗證。
  7. Abstract : through study on energy dissipation of goupitang project on the wu - jiang river, the velocity field in the water cushion pool downstream ski - jump or drop was measured by hot - film anemometers on a fine model with scale 1 380

    文摘:結合烏江構皮灘水利樞紐工程消能問題研究，用熱膜流速儀在比尺為1 380的精細模型上量測了拱壩挑跌流在水墊塘內的流速場，並由試驗成果分析了淹沒射流在水墊塘內的消能過程，計算了消能率。
  8. By performing fourier transformation, the relationship between the turbulent intensity of the particle and that of the carrier fluid was obtained which makes clear that particle size, specific gravity, velocity gradient, and the characteristic frequency of energy - containing eddies are four basic influencing parameters. it is proven theoretically that under certain conditions, the stream - wise and transverse particle turbulent intensities exceed those of the carrier fluid. based on the equations of two - phase flow, the presence of fine sediment suspension is shown to attenuate the turbulent intensity of the water

    通過對細小顆粒在剪切流場中運動方程的fourier分析，得到了顆粒脈動強度和流體脈動強度之間的定量關系，表明顆粒粒徑、顆粒密度、流速梯度以及紊動場含能旋渦的特徵頻率是影響顆粒脈動強度的主要因素，首次從理論上證明了在一定條件下，顆粒在縱、垂向的脈動強度均會超過相應的流體脈動強度，為已有的實測資料提供了合理的解釋。
  9. The paper analyses the particle radial separating speed in inertia field and the dropping speed in the gravity field, determines the relations among the separating critical diameter, the rotate speed of screw, airflow speed and the radial size of separating interface, establishes and work out the separating diameter which value the separating effect of the new equipment

    根據物料的空氣阻力與離心分離理論分析了離心力場中粒子徑向分離速度及重力場中的粒子沉降速度，確定分離臨界粒徑與螺旋轉速、氣流速度及分離界面徑向尺寸等之間的關系建立了並求出了衡量此種新機型氣固二相流分離效果的衡量指標? ?分離粒徑。
  10. 3. a three - dimensional - acoustic doppler velocimeter has been used to measure the velocity and turbulence in a compound channel with vegetated and unvegetated flood - plains. particulary in the interface region between main channel and floodplain. the distribution in three coordinate directions of velocity and turbulence intensities and the renolds stresses are presented. the momentum transfer at the main channel flood - plain interface can be described as an apparent shear stress which can be quantified as a function of the local turbulence at the interface

    採用adv對灘地種樹前後灘槽交界區域的流速場進行了量測。分析了灘槽交界區域的垂線流速、紊動強度和雷諾應力的變化。將灘槽交界的動量傳遞描述為一表觀應力，這個表觀應力可以看作是交界面處的脈動函數並將其定量化。
  11. The flume experiment with single spur dike is carried out. water surface profile and velocity field of flow in flume are measured by manometer tube and propeller current meter respectively

    首先進行了單丁壩水槽實驗，採用測壓管和旋漿流速儀對實驗水槽中水流的水位以及流速場進行了詳細的測量。
  12. Abstract : based on thestatic wind force factors of a tower and on the root - mean - square of the buffetingdisplacement responses of the tower top, which are measured by wind tunnel tests inlaminar and turbulent field respectively, the static and buffeting internal forces of thetower bottom control sections under its design wind speed are obtained by linearsuperposition method and fem

    文摘:基於均勻流和紊流風場中的橋塔模型風洞試驗所測得的橋塔空氣力靜力系數及塔頂抖振響應的位移均方根，採用線性疊加法及有限元法反演，給出設計風速下塔底控制截面的順風向靜風及抖振內力。
  13. In this paper, high heat penetration into a moving particulate bed is described mathematically with a comprehensive heat and mass transfer model. the distribution of gas velocity and pressure, the temperature field of gas and solid in the moving particulate bed are examined for different conditions. the results show that thermal penetration into the moving packed - bed particles by fluid flow in porous media is high only in the position near the gas entrance. the thermal penetration thickness tends to increase with the fluid flow velocity and decrease with the particle moving velocity. in the region of thermal penetration, the porosity of solid bed has significant effect on gas field and pressure loss. it is feasible to reduce the gas pressure loss by a larger width / height packed bed in design and operation. the correspondence between thermal infection depth and particle bed height would be helpful to keep high oapacity of reactor and reduce the cost of operation

    針對移動顆粒床中物料層內的高溫氣體滲流傳熱現象，考慮滲流與傳熱的相互作用，採用局部非熱平衡假設建立了多孔介質滲流傳熱物理數學模型並進行了數值計算.研究了不同情況下床內填充多孔介質中的流速、氣固溫度和床層壓力損失.計算結果表明，高溫熱氣對移動床顆粒料層的熱滲透主要發生在滲流入口端區域，增大入口滲流速度以及減小床層物料下移速度將導致物料溫度沿床高慢速下降，熱滲透深度擴大，熱滲透作用區域內的物料溫度水平提高.在熱滲透作用區域，孔隙率對流場和壓力損失有很大的影響.研究結果對于移動顆粒床反應器的設計與運行具有一定的參考作用
  14. This paper, based on the theory of marketing and the theory of enterprise strategy, aiming at the characteristics of guangdong provincial market of passengers transportation, systematically analyzes the opportunities and threatens, superiorities and weaknesses that guangzhou rail ( group ) co. will face in guangdong districts during its management and distribution of passenger market, and classifies and settles the position of objective market of guangzhou passengers transportation by rail, and further suggests the strategy of management and distribution of market of guangzhou passengers transportation by rail, including strategies of production, of price, of distribution and of promotion and etc. at the ending part of this paper, the writer summarizes the strategy that guangzhou rail passengers transportation should take in guangdong province

    以此為基礎，對廣東客運市場進行了市場細分，明確了廣鐵集團客運的目標市場是： （ 1 ）充分發揮中長距離優勢，進一步開拓、鞏固和完善中長途客運主體市場，以運距800公里? ? 1500公里的夕發朝至、朝發夕至列車為客運名牌產品，鞏固直通客流市場，並努力開發高檔次的客運精品市場； （ 2 ）以珠江三角洲主要城市向外輻射300公里左右的短途客運市場為重點，以快速城際列車和「公交化」列車為「拳頭」產品，吸引短途客流； （ 3 ）適應人們對度假休閑需求日益增加的需要，大力開發旅遊列車、假日列車等新興的特色客運產品。
  15. Due to issues of dongting lake districts flood composition, the evolution of sediment flow, the river and lake ( r & l ) distribution characteristic as well as the layout of r & l - dredging engineering, the article simulated the model of the dongting lake terrain change by using the gis technology and adopted the limited volumetric method to establish the two - dimensional hydraulics computation model of lake in order to forecast the water level, the flow capacity, the speed of flow and changes of flow field after implemented the project, which have provided the reliable theoretic basis for the decision - making and implementation of renovation for river course, canal and harbor and river course - dredging engineering

    摘要針對洞庭湖區的洪水組成、水流泥沙演變、河道湖泊水系分佈特點以及河道湖泊疏浚工程布局情況，利用gis技術模擬洞庭湖地形變化，採用有限體積法建立了湖泊二維水力學計算模型預測疏浚工程實施后的水位、流量、流速流場變化，為河道、航道港口整治、河道疏浚清淤等工程決策與實施提供了可靠理論依據。
  16. With piv technology, the flow field was measured to judge the performance of pump sump. by analyzing the pictures of velocity, streamline, turbulent kinetic energy and vorticity, we found that the turbulence was bigger while the ratio of the runoff increased. and the vortices always appeared in the field where the runoff was small

    通過piv試驗，測量了封閉式水泵吸水室內部的流場，以研究該水泵吸水室的性能； （ 2 ）通過分析流速圖、流線圖、湍動能圖和渦量圖，發現了流量比越大，湍動越大，漩渦總是出現在流量較小的一側。
  17. With multi - ccd and multi - computer system, video and sampling synchronization technique in lan adopted, real - time measurement of large - scale flow field was achieved. velocity distribution of the flow field with an area larger than 1000 m2 can be measured in 20 seconds

    採用多ccd攝像機和多臺計算機、視頻信號同步、局域網同步等技術，首次實現了大范圍流場的實時測量，在20秒鐘之內測量1000m2以上的流速場。
  18. This thesis succeeds previous traditional design method, uses the advanced finite element analyse software ansys6. 1. this thesis can be divided into six parts as follows : first, the optimized theory are analysed based on relevant literatures. and some finite element analysed software are introduced

    本文繼承了前人的製冷系統的傳統設計思路，在對溫度場和流速場的計算時採用了當今較為先進的有限元計算軟體ansys6 . 1 ，主要內容如下： 1 ）根據眾多的參考文獻資料，分析了最優化理論，並對現有的有限元分析軟體進行了介紹。
  19. From the calculation for the system of refrigeration, the choice of equipment, to the calculation for the temperature field and velocity field, the emphases is building model for evaporator in static state and dynamic state, do calculation and analyse for the whole space with temperature field and velocity field

    從製冷系統的負荷計算，設備的選型到溫度場和流速場的計算，其中重點是為蒸發器製冷劑側和空氣側參數建立穩態和動態數學模型，對整個冷庫的庫體空間進行溫度場和流速場的分析計算。
  20. Temperature process lines with tidal cycles of multi engineering conditions of characteristic sections are obtained, the relationship between temperature distribution and velocity field is established, the inner mechanism change of temperature process lines is investigated, the interrelation between water intake and outlet is analyzed, the relation between the ratio of dimensionless temperature rise span of the plant intake and the ratio of river discharge volume and plant cooling water intake volume is obtained

    得到了特徵斷面多種工況隨潮周期變化的溫度過程線，建立了溫度場與流速場的相關關系，研究了溫度過程線的變化機理，分析了取排水口對溫度場的相互影響關系，探討了無量綱溫升時長比與無量綱來取流量比的相關關系。
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