軸向進流 的英文怎麼說

中文拼音 [zhóuxiàngjìnliú]
軸向進流 英文
axial inflow
  • : 軸Ⅰ名詞1. (圓柱形的零件) axle; shaft 2. (對稱部分的直線) axis 3. (圓柱形的纏繞器物) roller; spool Ⅱ量詞(用於纏在軸上的線以及裝裱帶軸子的字畫)
  • : 進構詞成分。
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  1. The dispersion model, with axial dispersion only was used to describe the liquid flow in the downcomer. the model parameters were fitted by the least - squares method. it was found that the curve of dispersion model fitted the experimental rtd curve well

    本文利用一維擴散模型對降液管中液體行了數學描述,用時間域最小二乘法擬合了模型參數,模型方程所作曲線與rtd曲線吻合較好。
  2. Since complicated differential and integral operations were involved in the kernel of the integral equation, we simplified the equation and got the nakano equation. as instances, the planar archimedean spiral antenna, the planar equiangular spiral antenna, the monofilar helical antenna, the conical helical antenna with fixed ascending angle and the conical equiangular - spiral antenna were analyzed through the moment method. all of the results matched fairly well with the references and experiment results

    這種方法的積分方程的積分核里含有復雜的微積分運算,為了簡化計算,本文在推廣的海倫積分方程的基礎上,對方程行了簡化,推導了nakano方程,並以平面阿基米德螺旋天線,平面等角螺旋天線,模圓柱螺旋天線,具有固定升角的圓錐螺旋天線和圓錐等角螺旋天線為例,用矩量法求解了天線上的電分佈,研究了螺旋天線輻射的寬頻帶特性,所得的結果均與參考文獻吻合很好。
  3. The results indicate that : the high positioned air inflow do good to heat transfer in rotator disk ; different size of radial outflow have small effects on flow and heat transfer ; the heat transfer near rotating disk increases as rotating reynold number increases or non - dimensional mass flow rate increases

    結果表明,高位氣對轉盤換熱有利;不同的徑出口大小對盤腔內的動換熱影響不大;隨旋轉雷諾數和無量綱質量量增加,轉盤盤面的換熱效果增強。
  4. By comparing the results with relative experiment data, it is shown that rng k - is more exactly than the other turbulent model. 2 ) the influences of axial inflow position, radial outflow size, rotating reynold number, non - dimensional mass flowrate and axial inflow angle on the flow and heat transfer characteristics were numerically investigated for a typical rotator - stator cavity with axial inflow, radial inflow and radial outflow. the correlations for average nusselt number vs rotating reynold number or non - dimensional mass flowrate were established

    ( 2 )針對一典型的徑氣,徑出氣的轉-靜盤腔結構,系統研究氣位置、徑出口大小、旋轉雷諾數、無量綱質量量和垂直預旋氣等對盤腔內動和換熱的影響,整理出轉-靜盤腔內轉盤平均努謝爾數與旋轉雷諾數無量綱質量量之間的準則關聯式。
  5. 4 ) in a pre - swirl rotator - stator cavities with discrete pre - swirl nozzles and blade - cooling entry holes, the influences of pre - swirl angle and flow parameter on the flow and heat transfer characteristics were numerically investigated. the correlation for average nusselt number vs rotating reynold number or non - dimensional mass flowrate were established. the results show that : advantage of per - swirl inflow is the effect of cooling the blade - cooling entry holes ; pre - swirl inflow increases heat transfer in rotating disk of pre - swirl chamber ; as pre - swirl angle increases, local nusselt number decreases in pre - swirl chamber ; the temperature of stator of inner rotator - stator chamber and per - swirl chamber decreases as rotating reynold number increases ; when the axial mass flowrate maintains constant, heat transfer in the rotating disk of inner rotator - stator cavities does n ' t change as per - swirl mass flowrate increases, while heat transfer in the rotating disk of per - swirl chamber increases ; when the pre - swirl mass flowrate maintains constant, change of the axial mass flowrate has effect on the whole cavity

    結果表明,預旋氣的優點在於增強了葉片冷卻孔附近的對換熱效果,局部努謝爾數隨預旋角的增大而有所減小;隨旋轉雷諾數的增加,不論是內轉靜腔室還是預旋腔室的靜盤上的溫度都不同程度的降低:當中心氣質量量不變時,隨預旋氣的質量量增加,內轉靜腔室的轉盤盤面上的換熱基本沒有變化,而預旋腔室的轉盤盤面上的換熱效果增強;當預旋氣質量量不變時,中心氣的質量量的改變對整個盤腔都有影響。
  6. In different in terne die travel, the metal flow characterize in warm extrusion forming processes and the affection for the flow of metal stage which made by the difference between the blank bottom altitude and the axial direction limiting size in warm extrusion forming technique have been analysed we have gotten the equivalent strain field and the velocity field and other field variable that the blank in different in terne die travel and the die travel - load curve. at the same time, we have analyzed the contributing factor for the oil pump stator forming process optimized and achieve thereasonable die parameter for the war m extrusion forming finally, the optimized technics parameters were used into pilot production, then the qualified oil pump stator forging were produced, the analog results were compared with those of pilot production

    論文具體分析研究了不同成形工藝過程中金屬動的特點,並對不同凸模行程下溫擠成形過程中的金屬動特點、坯料連皮厚度(底部高度)與溫擠壓成形工藝中的界限尺寸的差值對金屬變形階段的影響行了分析,獲得了坯料在不同凸模行程下的等效應變場、速度場等場變量及凸模行程-載荷曲線,同時對油泵定子成形過程的影響因素等行了分析,優化並獲得了合理的溫擠成形工藝及模具參數。最後,利用模擬優化獲得的各項工藝參數行生產實驗,得到實際生產出的合格油泵定子件,並將模擬結果與生產實驗結果行比較。
  7. Three kinds of results are obtained by simulation calculating the two models : the composed vector diagrams of the axial velocity ( v ) and the radial velocity ( vr ) at the different times in the symmetry section ; diagrams of curves of the velocity vector ( v ^ ) and ( vr ) at the different times in the different sections ; diagrams of the secondary flow vectors at the different times in the different sections

    我們對兩種不同直徑的s型血管行了有限元模擬計算,得到三種結果:在對稱面內不同時刻的速度v _和徑速度v _ r的合成矢量;在不同截面不同時刻的速度分量v _和v _ r的曲線圖;在不同截面不同時刻的二次的矢量圖。
  8. 4. based on the viscous hydrodynamics, the leakage characteristics of newton liquid that is transmitted by helical gear pump are researched for the aim of the least power loss, and the leakage model is founded, the mathematic models of the radial and the axial leakage are gained. at the same time the optimal radial leakage and axial leakage are got, and the numerical calculation is achieved

    基於粘性體力學,以功率損失最小為目標,首次對牛頓體在斜齒齒輪泵中的漏特性行了研究,建立了泄漏模型,分別得到了斜齒齒輪泵的徑泄漏的數學計算模型;同時得到了斜齒齒輪泵最佳徑間隙和最佳間隙,並在此基礎上行了數值計算。
  9. In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology

    為使二維振動傳感器在兩主的靈敏度大致相同,敏感元件採用高度對稱的四梁結構,其中每個上均採用帶折疊梁的雙側叉指電容結構,採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件,具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數行了計算,並利用有限元法行了模擬分析,根據模擬結果得出了優化參數;在確定敏感結構的基礎上,研究了敏感元件採用體硅微機械加工工藝製作的工藝程和關鍵工藝技術;對敏感晶元內部的c - v介面電路行了原理設計與分析,利用差動測量技術得到由振動引起的微小電容變化量,經c - v介面電路行相位調制處理,然後通過解調輸出與加速度成正比的電壓信號。
  10. In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow, rotating speed and blade row spacing, plus inlet flow distortion, and considering aerodynamic characteristics and stability of the compressor, the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies. a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip, middle and hub section, then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data

    為探討壓氣機在工作量、工作轉速及動?靜葉排間距變化時的葉片排場非定常頻譜特性變化規律,並耦合氣畸變的影響,同時與壓氣機氣動性能和氣動穩定性相關聯,作者利用南京航空航天大學能源與動力學院的低速大尺寸壓氣機( lsc )試驗器,採取在靜子葉片表面埋入動態壓力傳感器的實驗方法,對葉尖、葉中和葉根三個截面的動態壓力行了測量,獲得了大量的可靠的實驗數據。
  11. The effect of leakage flow due to the upstream hub axial gap on the rotor performance and the mechanism of interaction between the hub leakage flow and the rotor blade passage flow were studied based on the numerical simulations of the flow fields of a transonic compressor rotor with upstream hub leakage

    摘要為研究壓氣機轉子上游葉根間隙泄漏對轉子性能的影響程度以及泄漏與轉子場之間的相互作用機制,對帶有葉根泄漏的跨聲壓氣機轉子行了數值模擬。
  12. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和分析了一個世紀以來有關曲線管道動和換熱特性的研究成果的基礎上,以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對傳熱為物理模型,通過攝動方法和有限體積法,首次對各種截面(圓截面、橢圓截面、環形截面、矩形截面)旋轉曲線管道內充分發展動的動結構和傳熱特性(包括耦合對傳熱特性)以及旋轉曲線管道開口段發展動的動結構和換熱特性行了系統的數值模擬和理論分析,詳細討論了各種無量綱參數對管道內速度分佈、二次結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響,獲得了若干創新性成果。
  13. In chapter 3, the subgrid eddy - viscosity model for large eddy simulation is applied to calculate the three dimensions unsteady periodic turbulent flow in yantan francis turbine. the pulsating characteristics of some main physical parameters in flow field are found. the calculated axial water thrust of hydraulic turbine agrees with the model - test value

    第三章採用大渦模擬亞格子渦粘模型,對巖灘混式水輪機的行三維非定常湍分析,得到了場中各物理量的脈動特性,計算出ms的水推力與模型試驗值大小相當;同時論證了對于下機架承重的混式水輪發電機組可採用其推力承負荷作為水電站廠房振動的最大垂直激振荷載。
  14. In order to investigate the distribution regularities of axial direction of emerging object, experimental research of paddy threshing and separation used axial flow threshing and separation installation designed by ourselves of screw vane with shutter tooth was carried on

    摘要利用自行研製的螺旋葉片帶板齒式脫粒與分離裝置,行了水稻脫粒試驗研究,目的是研究脫出物沿滾筒的分佈規律。
  15. In the third chapter, the mathematical models of project system have been established, and simulation has been done on the simulink enviroment of matlab software kits. the simulation focus on the effects of main parameters on the dynamic characteristics of speed control system, and the main parameters include viscosity damp coefficient and friction torque of electrical motor shaft, internal leakage coefficient of pump / motor of hydraulic circuits, gas volume of pressure accumulator, viscosity damp coefficient of cylinder piston and different running building floors, etc. at last, theoretical research effects of the flow and pressure pulsation of pump / motor on car speed and oil volume leakage theory are discussed. the fourth chapter of this thesis concerns the research on the key items about hydraulic power control system according to the ens 1 - 2 and other hydraulic elevator standards

    論文第三章針對組成系統的各個模塊行了機理建模,並且通過matlab軟體中的simulink圖形化模擬環境行了本課題系統的模擬研究,主要針對影響系統特性的主要參數變化,動態分析系統的輸出特性,在上下行工況中,分析了電機系粘性阻尼系數、系摩擦力矩、主迴路蓄能器迴路液壓泵馬達內泄漏系數、蓄能器氣體容積、液壓缸柱塞粘性阻尼摩擦系數以及不同運行樓層工況等參數對系統特性的影響;最後對柱塞泵馬達的量壓力脈動對電梯轎廂速度的影響和蓄能器內油液體積損失機理行了理論研究。
  16. From the experimental results, conclusions of particles " trajectories can be drawn for different densities and operating conditions. three axis segments were acquired, and three operating conditions were picked to study the distribution traits of particles inside the impeller under the different quality and concentration of the particles. based on the results, local wear of pump was forecasted and protecting measures were brought forward

    得到運行工況對單個粒子運動軌跡的影響以及不同密度(質量)的單個粒子運動軌跡變化規律;沿水泵葉輪取三個測量斷面,分別在三種不同運行工況下,研究各個斷面間(內)粒子分佈特徵,以及粒子質量和濃度對這種分佈特徵的影響;根據實驗結果,對輸送不同固液兩相介質時,水泵局部磨損行了預測並提出了一些防護措施。
  17. The results show that, when increasing the feed rate of the grinding wheel, decreasing the rotating speed of the wafer chuck table and using coarser grit grinding wheel, the material removal rate in the wafer rotating grinding increase, the feed rate of the grinding wheel has greater influence on the material removal rate ; when suitably increasing the rotating speed of the grinding wheel, decreasing the feed rate of the grinding wheel and using finer grit grinding wheel, the wafer surface roughness can be reduced ; there exists a critical rotating speed of the grinding wheel ( about 2300rpm ), beyond which the material removal rate evidently decreases and the spindle motor current and wafer surface roughness steeply increase ; when the grit size of the grinding wheel is finer than # 2000, the material removal rate decreases and the wafer surface roughness has no obvious improvement

    研究結果表明,增大砂輪給速度和減小工件轉速,採用粗粒度砂輪有利於提高磨削矽片的材料去除率,砂輪給速度對材料去除率的影響最為顯著;適當增大砂輪轉速,減小砂輪給速度,採用細粒度砂輪可以減小磨削表面粗糙度;在其它條件一定的情況下,砂輪速度超過一定值會導致材料去除率減小,主電機電急劇增大,表面粗糙度變差;採用比# 2000粒度更細的砂輪磨削時,材料去除率減小,矽片表面粗糙度沒有明顯改善。
  18. The axial - flow turbine generator set is suitable for low head from 2m to 70. its feature is that the water flow passes through the runner axially. the axialflow turbine generator set can be classified into two forms according to the runner construction : one is fixed blades propeller for small variation of head and power, the other is movable blades kaplan for large variation of head and power

    式水輪發電機組是低水頭大量電站的較好機型,一般適用於水頭2 ~ 15米,其特點是水水口到尾水出口都是的,道基本上成直線,因而貫式水輪發電機組具有水特性好,效率較高等特點。
  19. Prof. horii has invented three new types of spiral flow generators. they are applied in area of engineering practice. in this paper, we depicted the actuality and background of this type of spiral flow, illustrated the important significance of its applications in engineering and basic theory

    日本horii教授發明的三種自發生成螺旋的裝置引起人們研究的興趣,本文敘述了國際上對此類螺旋研究的現狀和背景,闡明了螺旋研究在工業應用上和基礎理論上的重要意義,針對「環狀對稱開口徑」旋發生裝置行了實驗研究。
  20. On the basis of experiments the axial vortex in pump system is analyzed and calculated, the vortex line formulas of planar, cylindrical and axial vortexes are given, and their vortex lines aregraphed

    在試驗研究的基礎上,對泵系統行了分析計算,給出了平面渦、柱面渦的渦線計算公式,並繪出了它們的渦線。
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