phase flow 中文意思是什麼

phase flow 解釋
(液體或氣體的)相流
  • phase : n 1 形勢,局面,狀態;階級。2 方面,側面。3 【天文學】(月等的)變相,盈虧;【物、天】相,周相,...
  • 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. Oil / water two - phase flow is very common in oil production wells of affusion oil field and the measurement of oil / water two - phase flow is the key of the oil / water two - phase profiling technique

    注水開發油田的油井中普遍存在油水兩相流動,油水兩相流測量問題是油水兩相產出剖面技術的關鍵。
  2. Two - phase flow electrical capacitance tomography system

    兩相流電容層析成像系統
  3. Process tomography ( pt ) technique can provide interior behavior 2 / 3 dimension visualizing information in process equipment such as closed pipe, vessels and so on in real time, so it is a novel approach for two - phase flow parameters measurement

    過程層析成像( pt )技術能實時提供封閉管道、容器等過程設備內物場運動狀態的二三維可視化信息,為解決兩相流參數檢測問題提供了一條新途徑。
  4. Transfer rule of water - gas two phase flow in coal bed

    氣兩相流在煤層中運移規律
  5. The paper mainly consider the followings : the performance parameter determination of cryopump, heat load determination and heat transfer of large cryopanel, reasonable distribution of heat load, the condition for construct steady flow in small vertical circle pipeline, balance condition for gas and liquid two - phase flow in the connection pipe between cryopanel and dewar, the safety of cryopump

    文中探討了低溫泵性能參數的確定;大抽速低溫抽氣面的熱負載的確定及合理分配;冷凝面上豎直圓管內受熱建立穩定流動的條件;冷凝面與杜瓦間的連接管道內氣液「雙相流動」的平衡條件;低溫泵系統運行的安全問題。
  6. In the model the film thickness in the passage was obtained at first using two phase flow theory ; then, similar analysis solution of concentration distribution of the pollutant in liquid phase and biofilm was obtained through mass component equation of pollutant in gas - liquid phases combined with the biochemical kinetic equation of mass transfer in biofilm and dismission of oxygen limited ; at last, the distribution of pollutant along the filter height and the waste gas purification efficiency were obtained

    該模型首先運用兩相流理論獲得了通道內液膜厚度,然後通過污染物在氣相、液相的質量組分方程,結合生物膜內的傳質與不?慮氧限制的生化反應動力學方程,獲得了污染物在液相和生物膜中濃度分佈的近似分析解,最終得到污染物在氣相中沿塔高的濃度分佈及廢氣凈化效率。
  7. Image edge detection method for ert system of gas - liquid two - phase flow

    水平井筒氣液兩相分散泡狀流流動模型
  8. So anew type of measurement and instrumentation is badly needed and developed which is suitable for non - centralized and stationary measurement based on this idea, this study take the new type of oilavater two - phase flow measurement and instrumentation development as the basic goal, cany out some theoretic exploration of measurement in order to improve oil / water two - phase flow well logging method and technique, and try to accomplish bom holdup and total flow rate measurement with one equipment simultaneously so as to push forward development of oilavater two - phase flow well logging

    本文正是基於這一思想,以開發新的油水兩相流測試儀器為目標,進行先期的測量理論探索,試圖從原理上改進油水兩相流測井方法和工藝,實現利用同種電學敏感原理同時完成持率和總流量的測量,推動油水兩相流測井技術的發展。
  9. Dredging pump and hydraulic transport experimental system proposed in this paper is mainly used for the experimental study of dredging pump performance and the solid - liquid two - phase flow in pipelines

    本文研製的疏浚泥泵與管道水力輸送實驗系統,主要用於疏浚泥泵性能及管道固液兩相流的測試研究。
  10. Now, the theory of two - phase flow and granular model have become the focus of filling simulation

    目前兩相流理論和顆粒模型正成為mim充模流動模擬的熱點。
  11. Electrical capacitance tomography reconstruction for two - phase flow based on mor

    兩相流電容層析成像圖像重建
  12. To measure the parameters of gas / solid two - phase flow has a very vital significance in the industrial production and scientific research. electrostatic sensor combining with the relevant signal processing technology provides effective solution to realize the on - line measurement on the mass flow rate of the solid paniculate, so it has high research and development value

    氣固兩相流參數測量在工業生產和科學研究中具有重要的意義,靜電傳感器結合相應的信號處理技術為實現固體顆粒的在線質量流量測量提供了有效的解決辦法,具有很高的研究與應用價值。
  13. The pressure at every point along the pipeline, the gas - liquid phase flow rate and the law of the liquid holdup in the pipeline chang ing with time in the process of gas storage and supply at the time of peak shaving are simulatively calculated, and based on this, the problem on peak shaving is thoroughly analyzed by combining with the existing pinghu - shanghai gas pipeline in china

    模擬計算了調峰過程中管道儲氣和供氣過程沿線各點的壓力、氣液相流速和管內持液率隨時間的變化規律,據此結合我國已建成現有的平湖一上海的天然氣管線,對調峰問題作了深入地分析。
  14. ( 2 ) model of two - phase flow on the precess of launch of gun for balance is established. results is gained through numerical simulation and computation

    ( 2 )建立平衡炮發射過程的兩相流彈道模型,進行數值模擬計算並得出結果。
  15. Investigation to gas - particle two - phase flow in cfb using ptv technology

    技術研究循環流化床內氣固兩相流動
  16. Research of gas - solid two phase flow in stocker boiler added front arch

    拋煤機鍋爐爐內增拱氣固兩相流研究
  17. 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。
  18. Exploration on method of simulation and modeling for high - velocity steam - solid two - phase flow in supernormal parameters

    超常參數條件下汽固兩相流動的相似與模化方法探究
  19. 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。
  20. 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。
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