phase flow rate 中文意思是什麼

phase flow rate 解釋
相流量
  • 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、...
  • rate : n 1 比率,率;速度,進度;程度;(鐘的快慢)差率。2 價格;行市,行情;估價,評價;費,費用,運費...
  1. 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。
  2. 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。
  3. 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。
  4. As to the simulation, three - dimensional n - s equations and two - phase flow model, in which the liquid toluene spray as discrete particles was considered, were employed to describe the turbulent combustion processes in the combustion chamber. the mass and energy transfer between the two phases were calculated by the droplet evaporation model, and the arrehnius model was used to obtain the gas chemical reaction rate. the details of 3d flow field, the distributions of temperature and compounds were obtained by solving the equations

    數值模擬方面,應用三維湍流n - s方程以及顆粒軌道模型描述了激光器燃燒室內部的噴霧兩相燃燒流動過程,兩相之間的質量、能量交換由液滴蒸發模型計算,氣相化學反應速率由arrhnius公式計算,通過耦合求解氣液兩相模型方程,模擬了燃燒室三維流場,得到了燃燒室內的溫度和組分濃度分佈。
  5. This theoretic model employs the basic idea of correlation measurement, achieve the density wave speed by the correlation of the signals of upper and lower sensors, and get the total flow rate and water cut through the theoretic relationship of density wave speed and total flow rate as well as holdup with the help of drift flux model so as to accomplish the oil / water two - phase flow measurement at last, using the limited available experiment data, the theoretic model has been simplified into an applicable linear alternative which is suitable to homogeneous oil / water two - phase flow measurement to accomplish the oil / water two - phase flow measurement using the density wave phenomena is of highly theoretically valuable for density wave theory research as well as oilavater two - phase flow measurement research. to develop new type oil / water two - phase flow instrumentation based on this theoretic measurement method will be very applicable and promising

    在此基礎上,針對穩態密度波理論提出了基於密度波理論的油水兩相流測量理論模型,該模型以密度波傳播理論作為基礎,通過上下游傳感器信號相關獲得密度波傳播速度,利用密度波傳播速度與總流量以及持相率的理論關系結合漂移模型來求解總流量和含相率,實現油水兩相流的測量,在理論分析的基礎上,在實驗資料有限的條件下,對基於密度波理論的油水兩相流測量理論模型作了極限的簡化,提出了本文油水兩相流測量理論方法應用在測量均勻油水兩相流中的實用線性模型。
  6. The measurement of oil / water two - phase flow is primarily accomplished by the combination of total flow rate and holdup measurement, and at present, the rotator flowmeter is used to measure the total flow rate. since the rotator flowmeter has movable parts, which makes its responsibility behave nonlinearly under poor environment of me under hole whose fluids have very complex and changeful characteristics and affects the measurement precision. what ' s more, the widely used centralized measurement instrumentation meets problems in oil wells characterized with high production or high water cuts

    通常油水兩相流測量主要是通過總流量和持率的測量組合來完成的,目前在總流量的測量中主要使用的是渦輪流量計,由於渦輪流量計具有可動部件使其在流體特性復雜多變的惡劣井條件下的響應呈非線性變化規律,影響測量精度,此外,普遍採用的集流型測試儀器在高產井及含水率高的油井中使用也遇到困難,為此,一種新型的適合非集流型點測的測試方法和測試儀器亟待發展和推廣。
  7. In this dissertation, the experimental study of rolling condition on two - phase flow instabilities of the forced - single - tube circulation system was carried out. furthermore, based on the d - partition method and the hypothesis of drift flow model, given some conservative equation, using the perturbation method the response of the pressure drop of the tube to the inlet flow rate perturbation was analyzed both in rolling condition and in normal upright position

    本文主要通過實驗對搖擺條件對單管強迫循環中汽液兩相流動不穩定性的影響,同時在d分區法的前提下,在兩相區基於漂移流模型,一定的守恆條件下,在搖擺和不搖擺工況中用線性小擾動法對實驗段的壓降對入口流速的擾動的響應進行了分析。
  8. Abstract : design ideas, technical features and system architectures of advanced process control for polypropelene units were introduced together wit h on - line calculations for the controlled variables such as the yield of polypr opelene, concentration of monomer, hydrogen concentration in liquid phase and the melt flow rate index. attentions in implementation were pointed out

    文摘:介紹聚丙烯裝置先進控制技術的設計思想、技術特點和系統構成,並介紹產率、漿液濃度、液相氫氣濃度、熔體流動指數等被控變量的在線計算,指出了實施中應注意的問題。
  9. The experiment data from horizontal gas - liquid flow on 20mm and 25mm diameter pipes proved that separate phase flow - rate can be measured from differential pressure signal

    Dn20和dn25水平管氣液兩相流實驗數據表明,利用差壓波動信號進行兩相流分相流量的測量是可行的。
  10. Chart industries leads all other manufacturers in the number of cryogenic piping systems engineered, fabricated, and installed in the u. s. we combine real world experience with computer analysis to develop a system with the desired flow rate, pressure drop, phase quality, and the best balance between performance and economy

    查特公司領導著全球其他製造商,從事真空絕熱管道的設計製造和安裝。我們結合實際經驗和先進的電腦技術進行系統設計,提供合理的流量壓降液相質量,及最佳的性能-成本比。
  11. In this study we analysed the interactions between initial lymphatic and interstitium, examined the procedure of lymph formation, developed the interaction theory for lymph formatoin, and showed that not only interstitial fluid prssure but also normal stress of interstitial solid phase should be considered and that lymph flow rate is greatly affected by interstitial porosity

    分析了初始淋巴管與間質的相互作用,考察了淋巴液形成過程,提出了淋巴液形成的相互作用理論,說明了不僅要考慮間質流體壓力,還要考慮間質固相法應力及總應力,才能了解淋巴液的形成機理,間質孔隙度則直接影響著淋巴流量。
  12. Based on one dimension flow theory and lagrange method, the correlation of speeding rate of particles under gas flow drag with the size of particles and the length of laval nozzle used for the gas and solid two - phase separation test apparatus was studied

    摘要採用一元流動理論和拉格朗日方法,研究了用於氣、固兩相分離試驗裝置的縮放噴管內,被氣流拖曳的顆粒加速率與顆粒大小和縮放噴管長度的關系。
  13. Flow rate of mobile phase

    流動相流速
  14. Three - phase full bridge controlled rectifier, filter circuit and the common loads " mathematics models are built and analyzed. according to the rate of the transition process, the controlled rectification power supply can be classified into fast response and slow response. based on identification of the transition processes using the slope method, the different fuzzy control strategy is adopted. the control method can meet the requirements of real time control and non - error regulation. the simulation results verify its practibility. after that. the design scheme based on dsp is introduced including the design of hardware and software flow chart. emc is an important aspect which can not neglected, so the designs of emc are summarized including hardware and software

    根據過渡過程的快慢將可控整流電源系統分為快響應過程和慢響應過程,本文在利用響應曲線斜率法辨以過渡過程的基礎上,分別針對快響應過程和慢響應過程採取了相應的模糊控制策略,以滿足快響應過程要求實時控制,快速跟蹤誤差變化,慢響應過程要求精確定位,無差調節的要求,模擬結果驗證了該方法的有效性,進而分析了用dsp實現該調節器的硬體電路和軟體流程的設計思路。
  15. For the liquid phase method, it is discovered that the optimal encapsulation is obtained at stalling ph equal 8. 5 by the analysis of the influence of ph on the compactness. for the atmospheric chemical vapor deposition, the optimal experimental condition of coating is determined by the analysis of the influence of different reaction temperature and different flow rate of o2 and different reaction time on the compactness of the coating and the luminescent performance of the phosphor in the experimental scope

    對于液相包膜,通過分析陳化ph值對膜層緻密性能的影響,發現在ph值為8 . 5陳化能夠得到最佳的包覆;對于化學氣相沉積法,通過分析不同溫度、不同氧流速、不同時間對包覆膜層緻密性能和zns : cu材料的發光性能的影響,找到了該實驗范圍內包覆的最佳條件。
  16. Fluidized behaviors of ultra - fine powder caco3 of mean diameter 5 um in a spouted bed with a draft tube were investigated, studying the effects of geometry and operating parameters on the two - phase fluidized characters such as the initial spouted behavior, the solid circulation rate, the gas flow distribution in the spout and the annulus, and the solid flow in the annulus

    本研究以平均粒徑為5 m的caco _ 3超細粉為物料,對超細粉在導向管噴動床中的流化行為進行了系統的實驗研究,考察了床層結構和操作條件對起始噴動行為、固體循環速率、氣體在床層雙區中的分配以及固體顆粒在環隙區中的流動等氣固兩相流動特徵的影響。
  17. Gas phase data include composition, flow rate, and pressure at the starting point.

    氣相數據包括在開始點上的成分、流量及壓力。
  18. The effects of preparation of polymer, the composition of mobile phase and the flow - rate on the separation result were investigated in detail

    並對分子印跡聚合物的制備條件、流動相的組成及流速對分離效果的影響進行了研究。
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