tube flow 中文意思是什麼

tube flow 解釋
管流
  • tube : n 1 管，筒；顏料管。2 管狀地下隧道；〈口語〉（倫敦的）地下鐵道。3 【炮】炮身；【汽鍋】鍋管；【解...
  • flow : vi 1 流，流動。2 （血液等）流通，循環。3 流過；川流不息；（時間）飛逝；（言語等）流暢。4 （衣服、...
  1. Numerical simulation of eccentric annular tube flow

    偏心環狀管流的數值模擬
  2. Coarse particle flow behavior in draft tube of spouted bed

    噴動床導向管內粗顆粒的動特性
  3. Approximate calculation of flow fields in hydraulic turbine draft tube

    尾水管內水流流動的近似計算
  4. Computation of three - dimensional unsteady periodical turbulent flow though a draft tube

    尾水管動態計算湍流模式的選擇
  5. 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。
  6. The tube is graduated so that flow rate can be read directly on a linear scale.

    管上刻以標度，所以從線性標度上可以直接讀出流動速率的數值。
  7. For incompressible fluids, both the mass flux and the volume flux are constant in a tube of flow.

    對于不可壓縮的流體來說，流管中的質量通量和體積通量都是恆定不變的。
  8. Friction characteristics of oscillatory laminar flow in straight tube

    圓直管內層流振蕩流的摩擦特性
  9. Curved tube ; the transport of macromolecules ; secondary flow

    彎曲血管大分子傳質二次流
  10. Measurement precision contribute to improving the security class and economic of boiler running and automatic level of whole plant. the smart measurement instrument of the boiler ’ s air flow designed in the thesis and the instrument can make the degree of accuracy get to. firstly, the thesis build the “ velocity - area ” method which is on basis of “ log - tchebycheff ” on the analyzing of basic measure method of boiler ’ s air flow. secondly, model86 averaging pitot tube was selected the right model of flow transducer which can pickoff the differential pressure and static pressure. modelc264 which made in setra system corp. u. s. a was selected as ultra low differential pressure transmitter. a good flow of boiler ’ s air was calculated by offsetting pressure and temperature. finally, numeroscope was designed with z80cpu and other chips

    精確的監測有助於提高鍋爐燃燒的安全型、經濟性，也有助於提高電廠的整體自動化水平。本文設計的智能化鍋爐風量測量裝置能夠實現對鍋爐送風的精確測量，精度可達。本文首先研究鍋爐送風矩形大管道測量理論，提出在流來流量測量測點布置基於「對數-切比雪夫」法的速度-面積法。
  11. Results show when velocity of flow remains unchanged in the onflow area and openness of the tube is changed, then resistance coefficient changes obviously

    實驗結果表明：在湍流區域內流速（量）不變時，改變管件開度，阻力系數變化較顯著；改變流量，管件開度不變時，變化不大。
  12. For the liquid in the multi - head twisted and fluted tube can cross the boundary of the channel and merge into the fluid flow in the next channel, the film distribution of multi - head twisted and fluted tube is overmatch single - head twisted and fluted tube

    當螺旋槽管表面為多槽道時，各槽道間發生流體的相互摻混使得液膜分佈特性較單槽道時要好。
  13. Through the experiment, the following results were given out, whether the system was rolling or not, there were always density oscillation gradients when the two - phase flow instabilities occurred, and the stability of the system was always strengthened with the increasing of the inlet mass flow or the increasing of the inlet subcooling of the test tube

    實驗結果表明，無論是搖擺還是不搖擺，系統發生的不穩定類型中都有密度波型脈動成分，系統的穩定性總是隨流量的增加而增強，隨入口過冷度的增加而增強。
  14. Therefore, sequential research on chf is necessary. when in accidental conditions of nuclear reactor, the mass flux of coolant is very low. in such condition, the steam quality is high, and the mechanism of chf is mainly controlled by bulk flow, whereas microcosmic parameters near the chf area are affected by the flow conditions in whole tube which called " upstream memory effect "

    在反應堆事故工況下，冷卻劑流量很低，含汽量很高，其臨界機制與正常運行工況下的臨界機制有所不同，不僅是一種主流控制臨界工況，更由於其局部的各微觀參數受上游流道的累積效果的影響而存在上游記憶效應。
  15. The numerical simulation of axisymmetric two - dimensional shock tube is studied, which has a conical convergent section, and its driving gas is the hot product of hydrogen oxygen detonation. finite volume tvd scheme is adopted and the mesh is local orthogonal. the primitive equations are euler s equations of multi - component flow. the new method of eliminating numerical oscillation at the interface of two materials is extended to two dimensions. the mechanical character of this shock tube is analyzed

    對由前向爆轟產生驅動氣體並具有局部錐形收縮截面的軸對稱激波管利用兩相常比熱完全氣體的歐拉方程組和有限體積tvd格式在局部正交的網格上進行了二維數值模擬。將消除兩種介質界面處數值振蕩的新方法成功地推廣到二維情況。分析了該激波管的力學特性。
  16. 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。
  17. Flow resistance characteristics of symmetric fork tube used in a storage - pumped hydroelectric plant

    抽水蓄能電站對稱岔管的流動阻力特性
  18. Fem analysis of spinning pressure and node displacement distribution for forward tube flow forming

    筒形件正旋旋壓力及位移分佈規律的有限元分析
  19. Flow measurement method of pipe for gas drainage. measurement method of mean velocity tube flow transducer

    抽放瓦斯管道流量測定方法.均速管流量傳感器測定方法
  20. The article discloses the principle of all - glass evacuated solar collector tube " flow field and temperature field in the testing state, analyzes the influence of many factors, makes the estimation of mechanical design and testing standards

    本文利用fluent計算和實驗相結合，揭示了全玻璃太陽能真空集熱管測試狀態下的流場和溫度場的規律，分析了太陽能真空集熱管流場和溫度場的影響因素，對結構設計和國家檢測標準做出了評價。
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