bubble flow 中文意思是什麼

bubble flow 解釋
夾泡流動
  • bubble : n 1 泡，水泡；氣泡；泡沫。2 幻想，妄想，泡影；欺詐性的投機事業。3 冒泡，起泡，沸騰（聲）。4 泡泡...
  • 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. In this dissertation work, a new shower - bubble type equilibrator is developed, and is double - checked with the laminary flow type equilibrator made by cooper ( 1998 ). significance test shows no distinct discrepancies between the two. the new equilibrator can measure the pco2 not only at the sea - atmosphere interface, but also under deep - sea water

    主要實驗結果和結論如下：研製了新的噴淋-鼓泡式平衡器，並與cooper ， d . j . （ 1998 ）的層流式平衡器進行現場互校，顯著性檢驗證明兩種平衡器之間無顯著性差異。
  2. The effect of air distributor on the flow fields was studied with emphasis. the working conditions of the bubble column simulated in the numerical study were as same as in the experiments. the velocity profile at axial direction showed a peek in the center, and a backward flow near the wall when usl / usg < 19. 6

    鼓泡塔內軸向液相速度的徑向分佈呈塔中心峰值、壁面附近倒流形式，且與氣相折算速度大小有關，當液相折算速度一定時，隨氣相折算速度增大而愈加陡峭，返混也劇烈。
  3. It is studied that the formation mechanism of taylor bubble and its control method in gas - liquid two - phase flow, which affects the pressure balance and mechanical driving efficiency in the flow of petroleum engineering. experiments show that the formation of taylor bubble in gas - liquid two - phase flow is due to the intensive congregation and amalgamation of small bubbles driven by void fraction waves and that the highly turbulent flow is able to restrain this formation. thus, the flow regime transition may be checked by increasing the flow turbulence and controlling the disturbed frequency

    對大管徑氣-液兩相流動中嚴重影響壓力平衡與機械驅動效率的段塞流生成機制和控制方法進行了研究，實驗證明段塞流的形成是由於空隙率波的大幅度增長使氣泡高度集中，並形成聚並所致。強湍流運動可以抑制taylor泡的形成。因此，通過強化湍流或控制擾動頻率可以對氣泡聚並起明顯的抑制作用。
  4. The resilient diaphragm assures bubble - tight closure to flow

    彈性隔膜確保流體的氣密性關閉。
  5. Surface must be smooth, no copper stain 、 shrinkage 、 flow mark 、 bubble etc

    表面光潔、色澤均勻，無縮癟、流痕、氣泡等缺陷。
  6. At first, bubble flow image is acquired using laser and incandescence lamp respectively as light source and using ccd. according to different optics - dispersion character, threshold segmentation method is proposed to identify gas from the gas - water flow, which make steadfast base for further calculate void fraction. the precision of threshold directly affect the calculate precision of void fraction

    文中分別採用激光片光源和影視燈照明，採用逐行掃描數字ccd攝像機獲取氣泡的流動圖像；根據氣泡和水對光的反射特性不同，提出採用閾值法識別圖像中的氣泡和水，從而為進一步計算摻氣濃度打下堅實的基礎。
  7. According to dynamical characteristic of the bubble motion in the flow field, and under the assumptions of isothermal system without interior heat source, uniform bubble size, and ignoring surface tension, the mathematical expressions for interfacial momentum exchanges have been deduced which include drag, virtual mass force, and lift

    針對氣液泡狀流中氣泡運動力學特性，在系統絕熱、無內熱源、忽略表面張力、氣泡尺寸均一前提下建立了氣液相間曳力、虛質量力、升力的數學模型表達式。
  8. Another measure of holdup is the k factor used by bankoff in connection with the bubble flow pattern in gas-liquid flow.

    滯留現象的另一個度量是Bankoff在氣-液流動的泡狀流型中所採用的因數K。
  9. Effects of the resin flow on the bubble moving behavior

    樹脂流動對氣泡運動特性的影響
  10. It is applied to the actual particle images and bubble image for the flow in a plunge pool

    將其應用於水墊塘的實際測量，也收到了良好效果
  11. Simulations of 2d and two - phase flow in a bubble column and an internal airlift loop reactor

    鼓泡塔與氣流內循環式反應器內兩相流模擬
  12. Combining the unstable heat conduction in crystal layer with heat transfer of undeveloped slug flow in a vertical tube, a time - progression model of crystal layer growth in the bubble column crystallizer pipe is proposed, the calculation results from the numerical method agree well with the experimental data. under certain operating conditions, the periodical arrival of gas plugs can cause crystallization and partial re - melting occur in the crystal - melt interface

    結合未充分發展彈狀流的傳遞特徵和晶層內不穩定導熱，提出了鼓泡塔結晶器管內晶層生長的時間級聯模型，與實驗值吻合良好.特定操作條件下，隨彈狀泡的到來和離去，結晶界面可發生結晶-部分重熔
  13. The present paper firstly gives a review about the developments and researching status of gas - liquid two - phase flow. the complexity and difficulties in gas - liquid two - phase flow are discussed. based on this, the dissertation presents theoretical and experimental investigations on adiabatic gas - liquid two - phase turbulent flow in a bubble column

    本文綜述了國內外對鼓泡塔氣液兩相流的研究現狀，通過分析指出氣液兩相流問題的復雜性及其模化尚存在的問題，從理論和實驗兩個方面對鼓泡塔內氣液兩相湍流進行了研究。
  14. Using digital image processing technique to process the solid - gas - water three - phase flow image and separate dispersed phase from the three - phase flow image, author calculated the bubble number, particle number in instantaneous image, area of bubble image and other parameters, and analyzed the effect of image enhancement, image segmentation, image analysis and other problems existed in bubble image processing

    應用數字圖像處理方法對水氣固三相流圖像進行處理，將其中的分散相分別提取出來，計算得出瞬時圖像范圍內的氣泡個數、粒子個數，氣相所佔流動截面比等參數；分析了圖像增強、圖像分割、圖像分析等方法在多相流圖像測量上的作用以及氣泡圖像處理中存在的問題。
  15. And also we study the bubble flow behavior of the bubbling fluidized bed. the single bubble and continuous bubble formation, rise, break and coalesce characteristics are studied separately and compared with the experimental data. it shows good consistency

    隨后研究了鼓泡床內的氣泡運動變化規律，分別模擬了單個氣泡和連續氣泡的生成、生長、破裂以及合併等的行為特性並且和實驗數據進行了對照，取得了較好的結果。
  16. Gas - liquid two - phase dispersal bubble flow model of horizontal borehole

    證據理論的氣液兩相流流型識別方法
  17. Another measure of holdup is the k factor used by bankoff in connection with the bubble flow pattern in gas - liquid flow

    滯留現象的另一個度量是bankoff在氣-液流動的泡狀流型中所採用的因數k 。
  18. Based on these models, the differential pressure fluctuation signals of gas - liquid two - phase flow under different flow regimes in various diameter pipelines are analyzed. experimental results show that the autoregressive orders of bubble flow and annular flow are bigger than that of slug flow

    對不同管徑不同流型下的差壓波動信號進行了建模，在此基礎上分析得出：彈狀流流型下arma模型的階數n最小，泡狀流和環狀流流型下的arma模型階數n較大。
  19. Flow patterns of oil - water - gas three - phase downward flow and transition from bubble flow to slug flow

    油水氣三相流的流型及泡狀流向彈狀流的轉變
  20. Bubble - flow regime

    泡沫狀流型
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