軸向速度分量 的英文怎麼說

中文拼音 [zhóuxiàngfēnliáng]
軸向速度分量 英文
axial inflow velocity
  • : 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)
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. After analysing several kinds of light - weighting structures through ansys, hexagonal speculum structure is confirmed. in the aspect of the controling of speculum, the paper adopts the brushless dc motor which is partial assembled to drive the point speculum and the inductosyn as angle measuring component is selected, the ad2s80a the system is used to get directly angle and angular velocity. double closed - loop speed and position control is designed, as the pid control is the well - developed algorithm, which can achieve stable rotation and precise position control

    在指反射鏡的擺動控制方面,採用低性能好的裝式直流力矩電機作為指反射鏡的驅動電機,並採用感應同步器作為角元件,運用角轉換器ad2s80a進行角的輸出,採用技術成熟的pid控制方案,進行和位置雙閉環控制,以實現指反射鏡轉動的平穩性和位置的精確性。
  2. 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

    論文具體析研究了不同成形工藝過程中金屬流動的特點,並對不同凸模行程下溫擠成形過程中的金屬流動特點、坯料連皮厚(底部高)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進行了析,獲得了坯料在不同凸模行程下的等效應變場、場等場變及凸模行程-載荷曲線,同時對油泵定子成形過程的影響因素等進行了析,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進行生產實驗,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進行比較。
  3. 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型血管進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v _和徑v _ r的合成矢;在不同截面不同時刻的v _和v _ r的曲線圖;在不同截面不同時刻的二次流的矢圖。
  4. Exciting method is used to measure the damping, the four damping coefficients of the radial part and a damping coefficient of the thrust part can be obtained though hammering the testing bearing which is in a equilibrium position. based on the testing data, the dynamic characteristic curves of the radial - thrust floating ring hybrid bearing are drawn and compared with the theoretical curves

    採用激振法測承的阻尼,對處于平衡位置的測試別沿水平方、上45進行錘擊,根據錘擊法原理求得各個轉承徑內、外膜總阻尼系數以及推力部內、外膜總阻尼系數。
  5. 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大致相同,敏感元件採用高對稱的四梁結構,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、寬程、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進行了計算,並利用有限元法進行了模擬析,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流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與析,利用差動測技術得到由振動引起的微小電容變化,經c - v介面電路進行相位調制處理,然後通過解調輸出與加成正比的電壓信號。
  6. 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

    本文在總結和析了一個世紀以來有關曲線管道流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流傳熱為物理模型,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)旋轉曲線管道內充發展流動的流動結構和傳熱特性(包括耦合對流傳熱特性)以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論析,詳細討論了各種無綱參數對管道內佈、二次流結構、溫佈、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。
  7. With the different tripping annulus at the inlet, a new method of the distance definition from the wall was used to measure 35 mean velocity profiles on seven sections in the pipe length x / d = 125. 2

    採用新的離壁距離標定方法,在入口處設有改變擾動強擋環的條件下,利用熱線儀在管長x d約為125的范圍內完成了七個不同管流截面上的35個線方佈的測工作。
  8. 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進行了機理建模,並且通過matlab軟體中的simulink圖形化模擬環境進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,動態析系統的輸出特性,在上下行工況中,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流壓力脈動對電梯轎廂的影響和蓄能器內油液體積損失機理進行了理論研究。
  9. For sand, glass bean, quartz sand and pvc, pressure fluctuations were measured at different conditions. furthermore, statistics analysis, power spectral density ( psd ) analysis and chaos analysis of pressure fluctuations in gas - solid cfb were conducted. an investigation of the effect of circulating solid flux, superficial gas velocity, height from riser bottom and particle property on the parameters ( e. g

    本文測定了河砂、玻璃珠、玻璃砂和pvc四種顆粒在不同固體循環、不同表觀氣、不同下的壓力波動,進而對氣固循環流化床壓力波動時間序列進行了統計析、功率譜析和混沌析。
  10. Abstract : a tube reactor mixed by an axial continuous flow and four side jets as the dispersed flow is studied. the concentration distribution of the dispers ed flow was measured by means of the laser light scattering. the different flow patterns revealed the special construction of concentration distributions in relation with the velocity ratio of side flow and axial flow

    文摘:研究了圓管反應器中四束側對撞射流與流形成的混合流動.應用激光粒子散射成像測了側散相在混合流中的濃佈,得到了不同的濃布圖形隨側流與比關系,揭示了內在有規律的獨特的濃佈結構
  11. With the computer controlling the output of the digital signals and the analog signals, controls and adjusts startup, stop, turn and rotational rapidity of the transducer - electromotor and the strength of brake actuator ; installs the torque sensor on dynamical axis, and installs the encoder on non - dynamical axis of the dimensional globoidal indexing cam mechanism ; utilizes the virtual instrument language labview development the test and control system, with the computer real - time monitoring, late displays and storages the data of the test, and processes the data and analyses it

    利用計算機控制數字輸出和模擬輸出來達到控制和調節變頻電機啟停、轉、轉;控制制動器的啟停和加載力;在弧面凸輪的加載和空上安裝扭矩傳感器和編碼器;應用虛擬儀器語言labview開發試驗臺的測控軟體系統,用計算機進行實時監測與事後顯示與存儲,並進行信號處理與析。
  12. The results suggested that there lies certain regularity in the pattern of ci and the regularity depends on definite magnitude of coriolis stimulation ; the duration and the intensity of ci are positive related to the magnitude of coriolis stimulation ; the parameters of eng accompanying ci ca n ' t be used as the objective indication of ci

    不同的線加對科里臭利錯覺的彤響本實驗在gl 2000高級空間定模擬器上,別對x線加為0 27gx與0gx時、 y線加為0 27gy與0gv時等的科里奧利加刺激n
  13. The main achievements are as follows : the theory models of defect mfl field are set up ; based on the magnetic dipole model and finite element model, the distribution of defect mfl field is simulated in the dissertation ; the component of flux density ( magnetic filed ) parallel to the surface of pipe is detected by a circumferential array of hall probes ; the factors including defect geometry parameters, defect surface angle and shape, pipe material, field intensity, vehicle velocity, background magnetization, operating pressure and remanent magnetization and so on influence the mfl signal characteristics

    採用霍爾元件作為缺陷漏磁檢測傳感器,獲得管道截面漏磁場切的漏磁信號;研究了缺陷外形尺寸、缺陷傾角和形狀、管道材質和磁化強、檢測儀移動、管道背底磁場、管內壓力和剩磁對漏磁信號的影響。提出了各通道增益放大、各路漏磁信號偏離調整、波形微、數字濾波和平滑等漏磁信號預處理方法;析了等空間采樣的漏磁信號轉換為等時間采樣信號的必要性,研究了漏磁信號的小波去噪方法。
  14. In this thesis, the basic arithmetic of piv software - cross - correlation arithmetic is introduced in detail, during the data process, through processing the two sequential images by the cross - correlation arithmetic, the vector charts of particles velocity can be obtained, so is the chart of absolute velocity, with velocity decomposed into the radial velocity and axial velocity

    本文對試驗所獲得的連續圖像通過互相關演算法,獲得顆粒圖,並將解為徑,對每一小區域內的顆粒按不同進行平均,獲得顆粒的平均佈曲線。
  15. In this paper theoretical and experimental studies are carried out on cross correlation techniques using electrical capacitance sensors applied to non - intrusive restrictive velocity and mass flow rate measurement in a cyclone separator. the mass flow rate is determined from two parameters, namely the solids velocity and the volumetric concentration

    本文同時將電容層成象和相關技術結合,採用雙層電容傳感器測了旋風離器料腿中固體顆粒的斷面濃佈,同時得到了固體顆粒沿和周的二維
  16. It is constructed that radial impact and rubbing dynamics differential equations of the rotor system having the nonlinear rigidity on the unsteady and non - linear oil film. the bifurcation and chaos behavior of impact and rubbing fault rotor system caused by the parameters of nonlinear rigidity, rotor rotating speed, eccentric mass is analyzed, in the numerical value analysis method. the bifurcation diagrams, maximum lyapunov exponent diagrams, poincar maps, phase plane portraits, trajectories of journal center, time - history curve, amplitude spectra diagrams of the rotor motion are used

    ( 2 )建立了具有非線性剛的轉子系統在非穩態非線性油膜力作用下的徑碰摩動力學微方程,並應用含高階余項的非線性動力方程的線性化數值法研究了此類系統響應的復雜動力學行為,利用轉子響應的岔圖、最大lyapunov指數曲線、 poincar截面映射、時域波形、相軌線、心軌跡、幅值譜等圖形析了系統響應的周期運動、擬周期運動、倍周期岔、混沌等運動形式的轉化與演變過程,重點研究了非線性剛、轉子轉、偏心質等系統參數對碰摩故障轉子系統的岔和混沌行為的影響。
  17. The radial, circumferential and axial distributions of static pressure amplitude under post - stall conditions are measured and compared. the experimental results have proved the feasibility of using one - dimensional model to analyze the post - stall behavior and recoverability of compression systems. at the same time, the results of experiment have provided the first - hand data for analyzing and calculating vibrating response of blades under post - stall conditions

    以單級流壓氣機實驗器為對象,研製了兩種型式的靜壓動態探針?梳形針和圓盤針,詳細測了過失狀態下流道中壓力沿徑、周佈,驗證了用一維模型析壓氣機過失性能和失可恢復性的可信,同時為過失狀態下葉片的振動響應析計算提供了第一手實驗數據。
  18. 2 ) temperature analysis of spindle bearings : using the basic theory of heat transfer, the paper founds the heat transfer model and derives the heat transfer resistance and heat transfer equations in spindle units. 3 ) running performance analysis of spindle bearings : the paper analyses the running performances with the influences of the friction heat, structure and application parameters through an example. 4 ) stiffness analysis and testing of spindle bearings : using hertz contact theory, the paper derives the stiffness formula, computes, analyzes and tests the stiffness through an example

    4xio 『 ,定壓預緊下,陶瓷球承的剛大於全鋼承,而定位預緊下則相反; 5 )一般,承中球的溫最高,內圈次之,外圈溫最低,但定壓預緊廠轉達到一定值時,外圈溫可能高於內圈; 6 )主平動固有頻率和承徑的測值與計算值基本一致,忽略w1 ) d的影響使測值小於計算值,表明理論析是正確的。
  19. Both qualitative analysis to the changing trend of droplet axial velocity profile and quantitative comparison with experimental data demonstrate the rationality of this model

    計算與實驗結果表明:無論是從液滴佈變化趨勢的定性析,還是從與實驗數據的定比較來看,建立的模型都是合理的。
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