flow properties 中文意思是什麼

flow properties 解釋
流動特性
  • 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、...
  • properties : (特性)命令修改特性
  1. The effects of main process factors such as feeding mode, reaction ph values, and ratio of ammonia and nickel ion, reaction time, agitation, reaction temperature and aging et al on the crystallization course and physical properties of nickel hydroxide were studied in detail. at last, we acquired the optimal preparation parameters, the spherical nickel hydroxide with high tap density and crystalloid degree, perfect flow ability were prepared

    在研究加料方式,氨水的加入量,反應時間、體系ph值、反應溫度、攪拌、陳化等主要工藝條件對ni ( oh ) _ 2結晶過程和物理性能影響的基礎上,確定了較優的工藝參數,制備出了堆積密度和結晶緻密程度較高、流動性較好的球形ni ( oh ) _ 2 。
  2. The additional flow is formed by the device of dentoid baffle, and the application of the device of dentoid baffle cooperated with a stilling basin has been investigated by systematic model tests. based on the research results, the hydraulic problems such as the characteristics of hydrodynamic pressure and cavitation on the head of the denotid baffle, the properties of flow under the condition that the device of denotid baffle is used with a stilling basin, the hydraulic computation about a stilling basin, the estimation of energy dissipation and its various affection factors, the mechanism and effect of energy dissipation, and distributions of velocity and pressure and aerating concentration, etc, have been analyzed ; the method and step of hydraulic design of device of denotid baffle by which the additional flow is produced has also been proposed

    文中利用齒墩設施實現附加射流,對齒墩設施與消力池聯合應用進行了大量的和系統的模型試驗,分析研究了中低佛勞德數條件下,齒墩墩頭的動水壓強及空化特性,齒墩設施與消力池聯合應用時的流態特性,消力池的水力計算,消能量的估算及其各種影響因素,消能機理和效果,消力池內的流速、壓強特性,摻氣濃度分佈等水力學問題,並提出了實現附加射流齒墩設施的水力設計方法和步驟。
  3. Study on the influence of low rate shear on the low - temperature flow properties of the ppd - treated crude oil

    低速剪切影響加劑原油低溫流動性機理研究
  4. In chapter four, according to the analysis on the boundary theory and velocity field of main fluid zone of two - phase fluid pumps, the parameter equations of vane ' s modular curve of centrifugal pump are given, which contact the boundary " layer and eular theory of two - phase fluid pump by the fixing angel of vane as variable and leading into the velocity coefficient a. the results show that, in designing process of vane ' s modular curve of centrifugal pump, the determination of the total shape and parameters relates the flow properties of two - phase fluid and output ability of pump, or the design of the modular curve of centrifugal pump is the kernel of hydraulic design

    第四章依據固液兩相流泵的邊界層理論及對主流區速度場的分析,給出了離心泵葉片型線的參數方程;它是以葉片安裝角為參變數,以引入的速度系數k _ v作為中間因子,將兩相流泵的邊界層理論和歐拉理論聯系起來? ?它說明了這樣一個事實,在離心泵葉片型線的設計過程中,它的整個形態或參數的確定都關繫到兩相流體的流動特性和泵的輸出能力,或者說,離心泵型線的設計是其水力設計的核心。
  5. Coating powders - part 5 : determination of flow properties of a powder air mixture iso 8130 - 5 : 1992

    粉末塗料.第5部分:粉末空氣混合物流動特性的測定
  6. At the same time, tip leakage induced by pressure gradient and relative motion between the blade tip and the shroud wall is found to have a major influence on detailed flow properties in tip region of rotor passage

    同時,由於轉子葉片壓力面和吸力面之間壓力梯度以及葉頂與機匣之問的相對運動產生的間隙流對轉子通道內的細微流動結構有較大的影響。
  7. In this paper. flow properties of multistage fluidized - bed bioreactor with external circulation at a pilot scale is studied. according to characteristic analysis, the model of completely mixing reactor in series is introduced to characterize real reactor as a theoretical model. on the basis of analog computing analysis and discussion of theoretical model. by means of pulse tracer method, experiments on residence time distribution ( rtd ) have been done in different conditions including the change of tracer level, feeding flow rate and circulation flow rate. the result shows when the ratio of circulation flow rate and feeding flow rate amounts to at least 4, the flow properties of multistage fluidized - bed bioreactor with external circulation at a pilot scale is very close to the model of completely mixing reactor in series. an amendatory model has been established by the regression method

    作者首先在對反應器進行特徵分析的基礎上,建立了描述中試規模多級外循環流化床生物反應器流動特性的串級全混流模型,並對理論模型進行了模擬計算分析和討論,在此基礎上,作者分別在無循環和有循環(改變示蹤劑用量、流加流量和循環流量)的條件下,利用脈沖示蹤法對一到五級串聯外循環流化床反應器進行了停留時間分佈實驗,結果表明,在循環流量與流加流量的比值達到大於等於4時,中試規模多級外循環流化床反應器的流動特性接近串級全混流模型,通過數據回歸擬合的方法,建立了中試規模一到五級串聯外循環流化床反應器的流動模型。
  8. When severely distorted elements appear, the meshes in the window are regenerated by the advancing - front method and flow properties are interpolated from the old mesh to the new one linearly

    當出現嚴重扭曲的網格單元時,採用陣面推進法重新生成變形區內的網格,並通過線性插值傳遞流動信息。
  9. Techniques of measurement for flow properties in arcjet

    電弧加熱發動機參數的測量技術
  10. In the numerical solution algorithm, the method of characteristics, analytic method and galerkin finite element method ( galerkin - fem ) can be chosen to solve the advective equation, diffusion equations, reaction ( source / sink ) equations, propagation equations and pressure poisson equation, respectively. the developed new algorithm has been verified using analytical solution of circular conduit flow in a reynolds number range of 100 < re < 1 000 and experimental data of the laminar flow over a backward - step facing step. the flow properties are well characterized by this three - dimensional numerical model

    本論文在評述三維粘性流動數學模型已有研究成果的基礎上,著重在數值計算方法的選擇和定解條件的給定對數學模型計算結果的影響進行了研究,並首次提出了求解三維純對流方程的高精度的擬協調單元法,建立了三維低雷諾數re流動的數學模型,並在圓管流動、臺階突擴矩形管道流動中得到驗證和應用。
  11. Because there are obviously multi - dimensional feature at the cleaning valve, we adopt the three - dimensional viscous flow field and the spalart - allmaras model to calculate the flow coefficient, to raise the solution of setting the boundary condition, to study the flow properties and corresponding parameter varying

    清洗液閥門具有明顯的多維流動特性,用三維流場計算其流量系數,採用spalart - allmaras湍流模型(簡稱s - a模型) ,提出了邊界條件的設定方法,來研究清洗液閥門的流量特性以及相應的參數變化規律。
  12. Coal flow properties - bin flow

    煤流動性.料斗抖動
  13. Surface active agents. determination of flow properties using as rotational viscometer

    表面活性劑.用旋轉粘度計測定流動性能
  14. Method for evaluating the low temperature flow properties of mineral insulating oils after ageing

    老化后礦物絕緣油低溫流動性的評定方法
  15. The numerical simulation of the gas - solid flow properties in the air - cushion anti - erosion cascades

    氣墊防磨葉柵內固體顆粒運動特性的數值模擬
  16. Numerical simulation of furnace - flow properties effected by fuel injection in high temperature air combustion furnace

    燃氣噴射對高溫空氣燃燒室內流動影響的數值研究
  17. Surface active agents - determination of viscosity and flow properties using a rotational viscometer

    表面活性劑用旋轉式粘度計測定粘度和流動性質的方法
  18. Then, only a given curve satisfied by the conditions of import and outlet of vane wheel as its modular curve will neglect the middle varying processes of in vane wheel, which reflect microscope properties in some degree - flow properties in boundary layer. leading into the velocity - coefficient unifies the boundary layer and eular theory in the design process of vane, which extends the area of selection of vane ' s curves and provides a valuable object function for the optimization design of vane

    那麼,僅憑一條預先給定的滿足葉輪出入口條件的曲線去來作為葉輪的型線,它必將忽略了這種除了葉輪出入口之外的中間變化過程,而這種中間變化在某種程度來說又反映出微觀特性? ?邊界層流動特性;速度系數的引入,它使邊界層理論和歐拉理論在泵的葉輪設計過程中得到統一;它使選擇葉片曲線的域圍拓寬;它也為葉輪的優化設計提供了一個很有參考價值的目標函數。
  19. The flow properties including chemical species distribution along axis of the nozzle were also presented

    並給出計算條件下噴管軸線上的物理量和化學組元分佈。
  20. Multistage fluidized - bed bioreactor with external circulation has been in use in the production of fuel alcohol by immobilized yeast cells technique. as a new - style reactor. it has the advantage of high conversion, complete reaction and little damage to immobilized yeast cells. flow properties is the foundation of reactor ' s physical transmission process. and it is the key factor of deciding whether the auxiliary material conversion is high or low. at present, the study on flow properties of multistage fluidized - bed bioreactor with external circulation at a pilot scale is rarely reported

    多級外循環流化床生物反應器作為一種新型生物反應器,由於具有轉化率高、反應徹底、對顆粒損傷少等優點在固定化細胞制取燃料酒精技術上得到應用。但是,國內關于中試規模多級外循環流化床反應器流動特性的研究還很少,而流動特性是反應器物理傳遞過程的基礎,是研究物料在反應器中轉化率高低的重要因素,因此,弄清楚外循環流化床反應器的流動特性是非常重要的。
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