circulating flow 中文意思是什麼

circulating flow 解釋
循環流
  • circulating : adj. 流通的，循環的，運行的。
  • 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 paper, the sensibility analysis of the factors affecting the temperature in well bore is relatively systematically made by using a large number of the data calculated with the borehole flow and heat transfer 3 ? d numerical model proposed by the author. the study shows that the thermophysical parameters of the drilling fluid and formation, etc. and the entrance temperature and circulating capacity, etc. of drilling fluid have a greater influence on the temperature in well bore. therefore, accurately mastering the thermophysical parameter values of penetrated formation and drilling fluid in well bore, considering the influence of the temperature and pressure on thermophysical parameters and accurately measuring such parameters as entrance temperature and discharge capacity of drilling fluid, etc. are of utmost importance for accurately simulating the temperature in well bore

    利用由作者提出的井內流動和傳熱的三維數值模型計算所得的大量數據，文章對影響井內溫度的諸多因素進行了較系統的敏感性分析，研究表明：鉆井液和地層等的熱物理參數以及鉆井液的入口溫度、循環排量等對井內溫度有較大影響，因此，準確掌握所鉆地區地層和井內鉆井液的熱物理參數值，考慮溫度壓力對熱物理參數的影響，準確測量鉆井液的入口溫度、排量等參數值，對于井內溫度的準確模擬至關重要。
  2. And the report has passed the analysis to ionic membrane caustic soda salt refining handicraft, has suggested that controlling a scheme comparatively rationally, calculation and driving force having carried out the ability choosing a type, circulating to the regulating valve on various appearance ( the temperature, pressure, rate of flow, liquid place, component ) supply a problem waiting for aspect to have done one by one also expound

    本報告通過對離子膜燒堿一次鹽水精製工藝的分析，提出了較為合理的控制方案，並對各種儀表（溫度、壓力、流量、液位、成分）進行了選型，對調節閥流通能力計算及動力供給問題等方面也都一一作了闡述。
  3. The aerated behaviours in cavitation region of high velocity flow through the non - circulating water tunnel are investigated by using the advanced experimental facilities in the hydraulics laboratory at zhejiang university of technology

    摘要本文用先進的量測儀器在浙江工業大學水力學實驗室直流式水洞中分別對高速水流空化區、空蝕區的摻氣特性進行了較為系統的試驗研究。
  4. The experiment acquired pressure distribution and circulating rate under three fluidizing velocity ( 3. 5m / s 、 4. 5m / s 、 5. 5m / s ) and different media load. an experimental equation was acquired between circulating rate and the distribution of the pressure. and the relation between the circulating rate and the opening rate of the valve connecting the returner and the ehe was carefully discussed as well as the relation between the pressure of the ehe and the flow rate of the fluidizing air

    得到三種流化風速下（ 3 . 5m / s 、 4 . 5m / s 、 5 . 5m / s ）不同裝料量所對應的主床床體壓力分佈和物料循環量，得到循環量與壓力的分佈和流化風速的本實驗臺上的經驗公式，並通過測量返料器通向外置換熱器機械閥開度和返料量的關系，得到旋風分離器中下落物料進入換熱器和直接進入主床的比例關系，同時測得換熱器中壓力和送風量的關系。
  5. The turbulent characteristics of high - velocity sediment - laden and aerated flow are more other than the clear water flow of single - phase and current of low speed. in a special circulating system with high velocity flow, some flow parameters such as boundary shear stress and pulsation pressure are measured. an investigation is made on the turbulent characteristics of the three - phase flow of water, air and sand

    本文針對高速含沙摻氣水流的運動規律有別于低速水流及清水單相流，在自己研製的高速渾水循環系統中，通過對高速含沙摻氣水流壁面剪切應力和脈動壓強等參數的量測，分析了水沙氣三相流的紊動特性，探索了泥沙對固壁的磨蝕機理及減蝕措施，其主要內容包括以下幾個方面： 1
  6. Investigation of gas - clusters two - phase flow in circulating fluidized beds

    顆粒團聚物兩相流體動力特性的研究
  7. Points out that some designers only use empirical methods in determining the inner diameter of pipeline, calculating system resistance and selecting the rated flow and rated head of circulating pumps in water systems

    摘要指出目前一些設計人員在設計空調水系統時，僅根據經驗值估算管道內徑、計算管路阻力和選配系統循環水泵的流量和揚程。
  8. In this paper, the two - phase flow behaviors of gas - solid circulating fluidized bed have been first studied by analysing experimental data. then, based on fractal theory wavelet package analysis ( wpa ) de - noising method was used to denoise solids concentration and pressure fluctuation signals. the solids concentration signals have also been investigated by wavelet multi - resolution analysis and wavelet package decompose, contributed to disclose the non - uniform flow structures of gas - solids phase

    然後將基於分形理論的小波包消噪方法用於顆粒濃度和壓力波動去噪，並對氣固流化床中的顆粒濃度信號進行了小波多分辨分析和小波包多尺度分解，從新角度揭示了氣固流態化系統的非均勻氣固兩相流動結構。
  9. This thesis designed and constructed a series of solid circulating loop devices, including cyclone separator, loop seal, external heat exchanger ( ehe ) and correspondent joining pipes. a data acquiring system was completed to realize the data real - time display and record the pressure of the whole system and air flow

    設計和搭建了從爐膛頂部出口到底部進口的物料回送裝置，包括旋風分離器，返料器，外置換熱器和相關連接管道，編寫了數據採集程序實現數據實時顯示，並記錄整個運行中床體各點壓力、各處送風量。
  10. Experimental study of the range of circulating flow in dug - into basin

    內河挖入式港池迴流范圍的試驗研究
  11. Located between circulating blood and vessel wall, vascular endothelial cells ( ecs ) ate constantly exposed to shear stress resulting from blood flow

    摘要血管內皮位於血管壁和血液的界面，直接與血流接觸而持續受血流剪切力的作用。
  12. This thesis is aimed to study the flow field in circulating fluidized bed ( cfb ) holier in cold state based on the system of particle image velocimetry ( piv ), several parts are included : the distribution of particles velocity in cfb boiler including radial velocity and axial velocity of particles ; the average radial and axial concentration distribution of particles in cfb boiler ; the average radial and axial size distribution of particles in cfb boiler

    本文採用piv系統對循環流化床鍋爐冷態流場進行了試驗研究，研究的主要內容包括：循環流化床冷態流場粒子的速度分佈特性，包括粒子的徑向速度和軸向速度分佈；循環流化床顆粒的平均濃度沿徑向和軸向分佈特性；循環流化床顆粒平均粒徑的軸向和徑向分佈特性。
  13. The work is mainly on numerical simulation of dense gas - solid two phase flow and the combustion and pollutant emission processes of circulating fluidized bed and w - shaped furnace applied by power plant

    本文主要對高濃度氣固兩相流和電站鍋爐中的循環流化床和w爐內的燃燒和污染物排放過程進行了較為詳細的數值模擬研究。
  14. Based on the practical measurement data that had gained on the equipment of continuous solid - state polycondensation, which has the output for pet industrial yam 10 kt / a, studies into influences of reaction temperature, residence time, purity and flow rate of circulating nitrogen on the reaction of solid - state polycondensation, discusses the production process of continuous solid - state polycondensation for terylene industrial yarn in detail

    摘要以已投產的年產萬噸級連續固相縮聚裝置生產工業絲級滌綸增黏切片實測的反應條件為依據，從原料切片、反應溫度、停留時間、循環氮氣純度及流量等因素對固相縮聚反應的影響，詳細地對連續固相縮聚生產工業絲級滌綸增黏切片的生產工藝加以探討。
  15. We successfully apply the two - fluid model ( tem ) and kinetic theory of granular flow studying the two dimensional dense gas - solid flow characteristics in the large scale circulating fluidized beds and the cold experimental system with piv. the results of simulation are in accord with others " simulation and experimental results. in the end, we make the three dimensional simulation for the cold cfb riser, which is closer to the factual operation and this experimental results

    在對高濃度氣固兩相流的研究中，根據fluent軟體現有的條件和解決工程實際問題的需要，採用單氣固相雙流體歐拉模型，採用模擬紊流固粒流中普遍接受的方法「顆粒流的運動理論（ kinetictheoryofgranularflow ） 」 ，對大尺度循環流化床進行了二維數值模擬，與他人數值模擬結果和實驗結果進行了對比，檢驗模型的準確性。
  16. Effect of the venturi inlet configuration on flow character in circulating fluidized bed desulfurization reactor

    循環流化床脫硫器文丘里式入口對流動特性的影響
  17. It is applied in studying the gas - solid flow pattern in the cold circulating fluidized beds ( cfb ) boiler with the particle image velocimetry ( piv )

    本文採用自行構建的piv系統對循環流化床冷態流場進行了試驗研究，獲得了不同工況下氣固兩相流動特性。
  18. Circulating harmonic currents circulating harmonic currents are currents that flow because of differences in voltage waveforms between paralleled power sources, or induced by operation of non - linear loads

    諧波環流諧波環流是由並聯電源間不同的電壓波形或者非線性負荷運轉而產生的電流。
  19. Our work is only an attempt about the study on the application of piv techniques and numerical simulation in the dense gas solid flow of the circulating fluidized beds. the results show that the accuracy and efficiency of the piv techniques and numerical simulation method on the test and prediction of the hydrodynamics of the gas solid in circulating fluidized beds riser

    本文的研究工作是對piv技術應用於循環流化床內氣固多相流動特性測試和數值模擬的嘗試，所取得的結果表明piv技術和數值試驗方法在測試和預測氣固多相流動特性方面的準確性和有效性。
  20. On the base of the study of dense gas - solid flow, we make full - scale numerical simulation on the combustion and pollutant emission processes of the 75t / h circulating fluidized bed ( cfb ) which is developed by our institute. we draw the conclusion on the characteristics of flow field, particle track, temperature profiles and species profiles. we also study the characteristics of coal combustion and nox formation and the interactive influence between them

    在對高濃度氣固兩相流動的系統研究基礎上，針對我們熱能所研製開發的75t h循環流化床熱電氣三聯供裝置，首次對于流化床燃燒爐內的燃燒和污染物排放進行了較全面的數值模擬，得出了爐內的流場、顆粒軌跡場、溫度場和組份場，研究了煤粉燃燒特性和氮氧化物的排放特性以及影響它們的因素。
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