centrifugal method 中文意思是什麼

centrifugal method 解釋
離心法
  • centrifugal : adj. 1. 離心的 （opp. centripetal）；應用離心力的。2. 【生物學】輸出的，排泄的。n. 離心機。adv. -ly
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. Diagnosis of inception cavitation in centrifugal pump using wavelet combined with autocorrelation method

    小波分析用於離心泵初生汽蝕診斷
  2. In this paper, the analytical method of linear stability has been applied to establish the marginal stability criterion of natural convection in porous medium, after considering the action of gravity, centrifugal and coriolis forces together in centrifugal force field

    理論研究的結果表明，當離心力與溫度梯度同方向時，只要滿足ra > 7 . 81 2或ra0 > 4 2 ，多孔介質中即可發生離心力、重力與哥氏力共同驅動的自然對流。
  3. With its advance, the centrifugal pumps of liquid - solid two - phase fluids, which are the vital devices in hydraulic transport, are evolving. the perfection of designing theory and method has been an important project of professors, researchers in industrial departments, universities and institutes in every country

    研究固液兩相流體在離心泵內的運動規律，完善其設計理論和設計方法，一直是各國工業部門和大學，科研機構的教授、研究人員十分重視的課題。
  4. Reason and balance method of the axial propulsive force of the centrifugal pump

    淺析離心式水泵產生軸向推力的原因及其平衡方法
  5. They are produced by the thermit - centrifugal method of the combustion synthesis, which is an achievement of the “ 863 ” plan project. this process reaches an internationally advanced level

    採用燃燒合成技術領域的鋁熱離心法制備，是國家「 863計劃」項目成果。該技術具有國際先進水平。
  6. It adopts reynolds time - average n - s equation and k - ? turbulence model to calculate the inner 3 - d viscid turbulence flow of centrifugal pump. in the unstructured grid, the governing equations are discretized with finite volume method based on finite element method. then the pressure correction method is used to carry out numerical calculation

    而後採用基於雷諾時均n - s方程與標準-湍流模型來求解離心泵葉輪內三維粘性紊流，在非結構化網格中，採用基於有限元的有限體積法對方程進行離散，用壓力校正法進行數值求解。
  7. Experimental research on diagnosis method in the cavitating centrifugal pump by autocorrelation analysis technology

    自相關分析技術診斷離心泵氣蝕的試驗研究
  8. Another is curvature - parabolic method according to centrifugal acceleration of the vehicle in settlement section

    另一種是依據汽車在沉降斷面上行駛時的離心加速度來進行控制的曲率拋物線法。
  9. The role of rare earth elements on electro - deposition of ni - p alloy is also studied a fast speed electro - deposition method in centrifugal force field is proposed

    同時，本論文對稀土元素在電沉積ni - p合金過程中的作用進行了比較深入的探討。
  10. Presents the model proposed for analyzing the vibration characteristics of shrouded blades and their calculation method by employing a wave propagation theory and modal synthesis technology coupled with a finite element method from the view point it is possible not only to conduct frequency modulation of the shrouded blades of a gas turbine, but also to utilize the friction effects between them to dissipate energy, thereby attaining the aim of vibration alleviation, as shrouded blades have been widely used in the design of high - speed turbomachinery, such as modern gas turbines and steam turbines, and with the shrouded blades forming an integral whole in a centrifugal force field, the vibration characteristics of the whole ring of blades are different from those of a single isolated blade, and this makes it essential to take into account the integral effect of blade shrouds, concludes from the calculation examples and engineering application that the above approach is valid and correct along with the possibility of considerably reducing the scale of calculation and analysis, and points out it is necessary to take into consideration the coupled effect of the whole ring of blades while the dynamic characteristics of shrouded blades is being analysed

    帶冠葉片不但能調頻，還可以利用葉冠之間的摩擦效應來耗散能量，達到減振的目的.帶冠葉片在離心力場中形成一整體，其整圈葉片振動特性不同於單個孤立葉片，需考慮葉冠的整體效應.利用帶冠葉片系統的循環對稱性，提出了採用波傳播理論和模態綜合技術，結合有限元方法研究燃氣輪機帶冠葉片振動特性的分析模型和計算方法.算例和工程應用證明了該方法是效性的、正確的，並可以大大降低計算分析規模.研究表明帶冠葉片動力特性分析時必須考慮整圈葉片的耦合效應
  11. Directing to the storage character of qitaihe coal sources, using floatation method of nj dense medium centrifugal force not only meets the heeds of quality and amount of producing super activating carbon raw coal and has good separation result. the equipment investment is less and tailmine recovery is easy. it meets the needs of circumstance protection

    針對七臺河煤炭資源的賦存特性，應用nj重介離心力選煤方法，不僅滿足了制備優質活性炭原料煤的質量和數量要求，而且分選效果好，設備投資少，尾礦物回收容易，滿足了環保要求。
  12. Finally, a correlative equation about bearing capacity of this structural member under bending and torsion is deduced, which may provide design of such structural members a valuable reference. to imitate centrifugal concrete - filled steel tubes used in real structures, three - dimension models are built up by using finite element method. the resistance performance of this structure under complex loads is studied

    利用三維有限元模擬分析方法對離心鋼管混凝土在彎扭組合作用、彎壓組合作用、壓扭組合作用下的構件彈性應力分佈進行了研究，分析了離心鋼管混凝土構件在組合作用下的工作機理和承載力的相關關系。
  13. At present, surge control method for centrifugal compressor being used is commonly by least - flow method. it can ’ t make compressor working within operating condition area, sometimes starts the surge control system earlier, which will waste energy sources and depress economy benefit. even, its control system commonly consists of simulation instrument, can ’ t modify the changing surge curve of compressor in time and can ’ t control nonlinear surge curve preferably

    目前，在用的離心壓縮機的防喘振方法一般採用最小流量法，它不能充分使壓縮機工作在其工況區，往往過早起動防喘振系統，浪費了能源，降低了經濟效益。且控制系統一般採用模擬儀表構成，在壓縮機的喘振線發生變化時不能及時修正，對非線性的喘振線不能較好的實施控制。
  14. Abstract : reviewed are five methods for the analysis of the penetration of jacked - in piles, namely, cavity expansion method, strain path method finite element method, slip line method and calibration model test. after analysis, it is pointed out that it is more rational to adopt sub - statical spatial axisy numerical formulas based on traditional plane - strain cavity expansion method in the analysis. after spatial closed - form solutions are obtained for soil movements, stresses and initial excessive pore pressures generated durihy pile penetration are found out. it is suggested that finite element analysis together with centrifugal model test be used in verifying the results

    文摘:在分析飽和粘土中靜壓樁的貫入機理的基礎上，對靜壓樁沉樁分析的圓孔擴張理論、應變路徑法、有限元分析、滑移線理論和模型槽試驗等五種方法逐一進行評述，並提出在傳統的平面圓孔擴張理論基礎上加以改進，採用準靜態空間軸對稱方程組對靜壓樁貫入過程進行模擬，從而得出土體位移、應力、初始超孔壓的空間解析解，同時採用有限元分析、模型槽試驗相互印證的研究方法
  15. Comparing tow methods of efficency pre - estimation, it finds out the new method fit for super - low specific - speed pump. acoording to the study and comparison on efficency and reliability, the thesis points out merits and faults of the 5 types of impeller, and draws a conclusion that the complex impeller and partly blocked - flow - passage impeller are fit for the impellers of super - low specific - speed centrifugal pump

    比較了泵效率預估的方法，提出了適合於極低比轉數泵效率預估的新方法，並對其性能要求的效率和可靠性兩方面進行了研究比較，指出了五種形式葉輪各自的優缺點，得到結論：復合葉輪和部分堵塞流道的一般葉輪適合作極低比轉數泵葉輪。
  16. The prevention methods include chemical antiscale method, physical antisacle method, control of the return proportioning of centrifugal solution, technical innovation, and standardized operation

    醪垢的預防方法有化學防垢法、物理防垢法、控制離心清液回配比、減少回配量、改善工藝、規范操作。
  17. Methods of test for production control of concrete method of test for surface moisture in fine aggregate by centrifugal force

    混凝土生產控制的試驗方法.用離心力檢測細集材表面含水率的試驗方法
  18. The increasing - flow design method is presented on superlow - specific - speed high - speed centrifugal pump in this paper

    闡述了超低比轉數高速復合葉輪離心泵的加大流量設計方法，並給出了兩個設計實例。
  19. In the thesis, the design method of the diagonal flow fan impeller has detailedly researched different from the previous means borrowing and extending design methods for axial flow or centrifugal type, a complete design method has presented on the basis of quasi - three dimensional design idea. the course is mainly composed of such steps as meridional surface design, inverse problem computation in meridional surface, blade shaping on stream surface, and verifying through three dimensional computation, until the design requirement is met at last

    不同於以往的軸流式或離心式延長設計方法或經驗方法，本文按照準三元設計的思路給出了一套完整的設計方法，即子午面設計?子午面反問題計算?斜流流面上葉片造型?三維計算驗證優化，直至符合設計目標。
  20. Aiming at the possible problem of dyeing rate in cotton fabrics determined by spectrophotometry, the cause was introduced ; by experiment, the method of centrifugal sedimentation could be used to eliminated errors

    摘要針對分光光度法測定棉織物上染率時可能出現的問題，闡述了問題出現的原因，經實驗表明，採用離心沉降的方法可消除誤差。
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