流速儀測量 的英文怎麼說

中文拼音 [liúsùyícèliáng]
流速儀測量 英文
current-meter observation
  • 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...
  • 儀 : 名詞1 （人的外表） appearance; bearing 2 （禮節; 儀式） ceremony; rite 3 （禮物）present; gift 4 ...
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 流速 : [機械工程] velocity of flow; strength; [水文] current velocity; current speed; flow rate流速管 pi...
  • 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
  1. At first, in the process of experiments, it were measured that dry plate pressures drop and point pressures in the flow fields around the single fixed - valve and double fixed - valves under different velocities by using of pitot tube. after that point pressure was transformed to point velocity, two dimensions flow plane of flow fields around fixed - valve were plotted to observe the difference between of the fixed - valve tray with fold edges and the common rectangular fixed - valve tray on the distributions of flow fields and pressures, to provide comparisons and refer - rence for cfd simulation

    在實驗中，利用測速管等儀器對在不同速度下的單閥和雙閥固定閥周圍的流場進行了點壓力測量，然後把點壓力轉化為點速度后繪出固定閥周圍流場的二維流線圖，同時測定了塔板的干板壓降，來考察新型固定閥帶折邊后對流場分佈和壓降的影響，為隨后的數值模擬提供對比和依據。
  2. The typical velocity field and the pressure on the step surface of the stepped spillway are measured using the laser doppler anemometer and the piezometer tube respectively

    採用多普勒激光測速儀和測壓管分別對階梯溢流壩面典型速度場和階梯表面壓力進行詳細測量。
  3. By using the three - dimension acoustic doppler velocimeter to measure velocities of flow in an ecological river before and after arrangement of cropping loops, the velocity distribution, turbulence intensity and reynolds stress before and after arrangement of cropping loops are compared

    摘要採用三維超聲波多普勒測速儀對河道生態修復中種植圈布設前後的工況量測，比較了布設種植圈前後的流速分佈、紊動強度和雷諾應力的變化。
  4. The laser - doppler velometer is used to measure velocities

    在實驗中採用先進的激光多普勒流速儀測量流速。
  5. 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。
  6. Ventilation for buildings - instrumentation requirements for air velocity measurements in ventilated spaces

    建築物的通風.通風空間的空氣流速測量儀器的要求
  7. Abstract : the hot wire anemometer and the ensemble average method are used to measure and study the dispersion turbulent transient feature in a closed cylindrical explosion bomb. the comparison of the dispersion turbulent parameters from different shapes of closed explosion bombs is presented. the relation between errors and numbers in dispersion turbulent measurement with the ensemble average metod is discussed

    文摘:採用熱線風速儀和系綜平均法測定和研究了封閉圓柱形粉塵爆炸罐內揚塵湍流的瞬態特性，並與球形爆炸容器內已測定的揚塵湍流瞬態特性進行了比較，對系綜平均法用於揚塵湍流的測量誤差與測量次數的關系進行了探討。
  8. 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。
  9. Hydrologists can benefit from this system. their work efficiency and hydrological instrument automation level are advanced greatly

    此系統可幫助水文工作者更快、更準的獲取泥沙含量及流速數據，大大提高水文工作者的工作效率和水文測驗儀器的自動化水平。
  10. Measurement of liquid flow in open channels - electromagnetic current meters

    明渠液體流量的測量.電磁流速儀
  11. With the different tripping annulus at the inlet, a new method of the distance definition from the wall was used to measure 35 mean velocity profiles on seven sections in the pipe length x / d = 125. 2

    採用新的離壁距離標定方法，在入口處設有改變擾動強度擋環的條件下，利用熱線儀在管長x d約為125的范圍內完成了七個不同管流截面上的35個軸線方向速度分佈的測量工作。
  12. The test instruments based on this method are highly precise, but costly. the author develops a grounding measurement system of substations based on the virtual instruments, which uses labview as the development software and adopts the small electric current method. the fft method is used to process the measurement data, which can decrease the measurement error

    本文作者研製了基於虛擬儀器的變電站接地網接地測量系統，該系統以labview為軟體開發平臺，採用小電流測試法，並利用快速傅立葉變換方法對測試信號進行數字濾波處理，提高了該系統的信噪比。
  13. According to the gravity - elasticity similar law the model scale of bai shan pumped - storage hydroelectric plants is taken as the trashrack bar is made of zinc, the relative errors between its practical density and elastic modulus and its proper values are - 7. 82 % and + 1. 43 %, respectively. by lvs measuring the velocity distribution ahead the trashrack bar and on the basis of the velocity distribution the working conditions of the pumped - stroage hydroelectric plant are controled. the dynamic strain of the trashrack bar induced by flow are measured using strain slips

    選擇白山抽水蓄能泵站攔污柵水彈性模型的主要比尺為_ l = 3 、 _ e = 3 、 _ p = 1 ，柵條用鋅板加工而成，模型材料的實際密度和應有密度的相對差為- 7 . 82 ，模型材料的實際彈模和應有彈模的相對差為+ 1 . 43 ，用激光流速儀量測柵前流速分佈，並用流速分佈作為控制工況的依據，用應變儀量測柵條應變。
  14. The paper introduces acquired air rate of flow in admission pipes and fluidity in cylinder on single cylinder or multi cylinder engines with hot - wire anemometer, and demarcation and adjustment method of measure values are provided

    摘要本文介紹了利用熱線風速儀測量單缸與多缸內燃機進氣管內流速、氣缸內氣體流動以及標定與修正的方法。
  15. Good agreement is obtained between present cfd predictions and published experimental data of solari and bell [ 77 ]. the maximum standard error of the result is 18. 9 %. the results can reflect the phenomena of different circulation area along the height of liquid layer and above the inlet baffle

    在1 . 2米塔徑的冷模篩板塔上，提出使用熱膜流速儀通過在平面內旋轉探針測量三維流速的新方法，與計算結果的對比有力地說明了該方法是正確的。
  16. Standard test method for velocity measurements of water in open channels with electromagnetic current meters

    用電磁電流儀測量明渠水流速度的標準試驗方法
  17. A three - dimensional - acoustic doppler velocimeter is used to measure the velocity components of the flow field in all three coordinate directions for different discharge and measurement site. the influence of measurement site and the depth / vegetation height ratio on the measured velocity profile and turbulence intensity and the renolds stress is analyzed. the characteristics of the measured velocity distributions and the results of the previous investigators are used to select an analytical expression for the shape of the velocity profile

    利用三維超聲波多普勒流速儀（ adv ）量測不同位置、不同流量下的瞬時流場。分析了測點位置和水深與植被高度比對時均流速分佈的影響。本文還給出了種樹段紊動強度及雷諾應力的垂線分佈。
  18. To solve this problem, by increasing the accuracy and the sample - speed, adapting to the domestic situation and fitting for the measurement in the field, the intelligent portable current meter is needed

    鑒於此，為了滿足目前國內流速測量，適合國情，提高測試精度，加快測試速度，適應野外測量的要求進行便攜式智能流速儀的研製。
  19. The experimental tests are made on the right - angle dissipator with square cross - section, a new internal energy dissipator. in order to obtain its hydraulic characteristic, lda is used to measure the detailed velocity. the pressure along the wall boundary is also measured

    2為深入研究直彎式消能工的水力特性，本文進行了方管的直角拐彎的試驗研究，採用二維激光流速儀測得了詳細的流場，並測量了壁面壓力分佈情況。
  20. ( 2 ) before and after the frames are placed the velocity vertical distribution in the same cross - section are measured by adv. the results indicate that after the frames are placed the mean velocity and turbulent intensity near bed are reduced, and vertical distribution of turbulent intensity is more uniform

    （ 2 ）採用adv超聲流速儀對投放框架群前後同一斷面的垂線流速分佈測量表明：水槽投放四面體后，不但可以降低近底區的時均流速、紊動強度，而且均化了紊動強度的垂線分佈。
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