流動參量 的英文怎麼說

中文拼音 [liúdòngshēnliáng]
流動參量 英文
flow parameter
  • : 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...
  • : 參構詞成分。
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 流動 : 1. (液體或氣體移動) flow; run; circulate 2. (經常變換位置) going from place to place; on the move; mobile
  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,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,確定了較優的工藝數,制備出了堆積密度和結晶緻密程度較高、性較好的球形ni ( oh ) _ 2 。
  2. For obtaining the numeral solutions of round elastic plates in axisymmetrical deformation with varying - thickness in nonlinear deformation in the unsteady electromagnetic field and mechanical field, by establishing the equations of motion, the equations of distortion, the equations of lorentz force, the equations of electronic dynamic mechenical, and adopting iterative method, we gained the nonlinear magneto - elastic calculation method and outcome of current - carrying shell, and gained the influencing degree toward mechanical parameter of varying thickness round ferreous plates in the electromagnetic field and mechanical field

    摘要為了獲得內邊界固定的環形導電薄板在均布力與橫向磁場作用下的變形問題的數值解,通過建立運方程、變形方程、電力學方程和洛侖茲力方程,運用迭代法得出了載板殼的非線性磁彈性的計算方法和結果,以及機械場、電磁場對鐵質變厚度圓板各力學的影響程度。
  3. Second, it presents the project design of an astronauts ’ kinetic measurement system that can precisely measure the forces and moments of key points on motorial person. it presents a principle and flow of the project design of an astronauts ’ kinetic measurement system. and it particularly discusses the demarcate of camera system, the gathering and storage of experiment pictures, pick - up of the symbol data, the parameter calculating method of target movement, and the general design of assistant equipment

    然後給出航天員作用力測實驗系統的設計方案,該系統能夠克服重力影響,較精確地得出運時人體各關鍵點產生的力和力矩;給出了航天員運數測實驗系統的原理及程,並詳細論述了攝像系統標定,實驗圖像的採集與存儲,標志點數據的提取及目標運數解算的方法;給出了輔助設備的概要設計。
  4. Then, we caculate the dynamic character of the reflective mtn cell with the optimized parameter, give out the distribution of velocity, twist angle and tilt angle at the midle of the mtn cell when switch on or off in consideration of the backflow

    並針對選定數的mtn液晶盒作了力學上的計算。文中分別了給出mtn盒在加電壓和撤電壓時,引效應對反射率的影響,並比較指向矢,速度,中間層的傾斜角等分佈的情況。
  5. This text expanded the magnetoelastic stability issue of current - carrying component from coil, pole piece to thin current - carrying plates, and used special function to differentiate the critical state of losing magnetoelastic steady, the number value of getting the relevant parameter is solved. the text derives and provides the magnetoelastic movement equation of thin current - carrying plates, the geometry equations and the physics equations, the expression formula of lorent ’ s force, electro dynamics equation through the theory at first

    本文將載構件磁彈性穩定問題由線圈、桿件拓展到載薄板,並引入特殊函數判別磁彈性穩定問題的失穩臨界狀態,得到了相關的數值關系。首先通過理論推導給出了載薄板的磁彈性力學方程,幾何與物理方程,洛侖茲力的表達式,電力學方程。
  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的特點,並對不同凸模行程下溫擠成形過程中的金屬特點、坯料連皮厚度(底部高度)與溫擠壓成形工藝中的軸向界限尺寸的差值對金屬變形階段的影響進行了分析,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分析,優化並獲得了合理的溫擠成形工藝及模具數。最後,利用模擬優化獲得的各項工藝數進行生產實驗,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。
  7. Whether sand can saltate from sand bed surface and quality of sand incipience are very important to the sand transport and the form of wind - blown - sand

    沙粒能否起以及起如何,如起初速度、起角度等數都直接關繫到沙粒的輸運和風沙兩相形成。
  8. Reynolds numbers ( based on average velocity at passage inlet and hydraulic diameter of the passage ) are changing from 20000 to 80000 and the extraction ratios ( suction ratios, sr ) are changing from 0. 30 to 0. 60 for each test model. so the influences of reynolds numbers, suction ratios and etc. on the discharge coefficients and pressure loss characterist ics are also presented. flow fields of typical passages are visualized with the flow visualization techniques and measured with hot - wire anemometer

    對每一種通道結構,實驗在不同通道進口雷諾數( re = 20000 、 40000 、 60000 、 80000 )和不同通道總出比( sr = 0 . 30 、 0 . 45 、 0 . 60 )下進行,以研究這兩個數及其它相應變化的數(氣膜孔的雷諾數re _ h 、氣膜孔與通道的比i等)對出特性和阻特性的影響規律。
  9. For a - early f type ms stars, stellar chromospheric activity decrease with stellar rotation period, but increase with rossby number ; for m type ms stars, stellar chromospheric activity increase with stellar rotation period and rossby number, and stellar chromospheric activity reach saturation at large color index ; for the ms stars between mid - f to m type, stellar chromospheric activity decrease with stellar rotation period and rossby number

    A ?早f型主序恆星的自轉周期和恆星對區的隨色指數的分佈明顯地影響著這些恆星的色球活行為。而m型主序星的色球活水平基本上隨自轉的增大呈上升趨勢,並且m型主序星的色球活水平在色指數較大時趨于飽和。
  10. 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和傳熱的三維數值模型計算所得的大數據,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數以及鉆井液的入口溫度、循環排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數值,考慮溫度壓力對熱物理數的影響,準確測鉆井液的入口溫度、排數值,對于井內溫度的準確模擬至關重要。
  11. A transfer model is established, which can be used to study the interaction between the land surface physical processes of inhomogeneous region and the structure of atmosphere boundary - layer over urban and rural terrains. the model has simulated surface heat flux, surface temperature, temperature profiles, height of mixture layer and so on. and the differences between urban area, suburban area and rural area have been compared. this model mainly depends on the parameters below : surface albedo, surface roughness coefficient, moisture available coefficient of soil, thermal capacity and thermal diffusion coefficient of errain, cloudage. the result shows that this model can simulate the structure and eigenvalues of atmosphere boundary layer and their changes in a day. parameters used in this model aim at beijing city, and the time is at the beginning of september. to other cities, or other time, the parameters should be adjusted accordingly. in addition, being adjusted, the model can also be used for other homogeneous and inhomogeneous terrains

    模式主要依賴于以下數和物理:地面反照率下墊面粗糙度土壤的可含水下墊面的熱容和熱擴散系數雲數。結果表明,本模式能合理地模擬不同地表熱平衡地表氣溫混合層高度湍交換系數湍能位溫廓線等,以及它們的日變化。該模式所取數主要針對北京市,時間為九月初,對于其他城市,數應作相應的調整。
  12. The computer simulation results showed that the effects of ingate dimension and ingate location on the rheo - diecasting were relatively small, and the casting process - design was easily to be done ; under the same condition, the semi - solid rheo - diecasting decreased the air entrapment during the mould filling process, and high quality metal castings could be obtained through semi - solid forming technology

    結果表明:半固態變壓鑄成形在不同的內澆口尺寸與位置條件下都可以獲得平穩的充型場,其工藝數設計靈活;同等條件下,半固態變壓鑄成形的型腔充填過程平穩,成形鑄件的質優于液態壓鑄成形。
  13. At the same time, the control circuit must realize power regulating of the rectifying circuit and the inverter circuit and keep some parameters impervious to the interferer. this paper has researched high frequency solid induction heating power supply

    同時,控制電路必須對整電路、逆變電路等系統主電路部分進行功率控制,使在各種擾下維持系統各不偏離其設定值。
  14. 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

    為使二維振傳感器在兩主軸方向的靈敏度大致相同,敏感元件採用高度對稱的四梁結構,其中每個軸向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數進行了計算,並利用有限元法進行了模擬分析,根據模擬結果得出了優化數;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介面電路進行了原理設計與分析,利用差技術得到由振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速度成正比的電壓信號。
  15. It is shown that the parameters of the flow field are disturbed and a condensation shock is generated due to the sudden release of the latent heat of condensation

    結果表明由於水蒸氣的凝結釋放熱場局部進行加熱,使數發生擾而產生凝結激波。
  16. 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數旋轉螺旋管道中的對傳熱為物理模型,通過攝方法和有限體積法,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結構和換熱特性進行了系統的數值模擬和理論分析,詳細討論了各種無數對管道內軸向速度分佈、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。
  17. During the temperature fields, the results indicate that the processing parameters such as the extrusion velocity, casting temperature, perform preheating temperature, die preheating temperature and so on are important for the temperature fields besides the dwell time. they are must be in concordance each other to the deforming zone is in the quasi - solid state, and the stable semi - solid extrusion is implemented. during the deforming fields, the hyperbolic sine thermo - rigid - viscoplastic fem model is selected according to the forming feature of the process, and the variations of the stress - strain fields are studied

    在溫度場的模擬中,模擬結果表明,保壓時間是影響製件成形質的關鍵因素之一,擠壓速度、液態金屬澆注溫度、預制體預熱溫度和模具預熱溫度等工藝數對溫度場的影響也很大,需進行數之間的協調,只有當變形區內部始終維持準固態時,才能實現穩定的液-固擠壓成形過程;在變形場的模擬中,根據液態浸滲擠壓的成形特徵,選用了雙曲正弦剛-粘塑性有限元計算模型,研究了變形過程中應力應變場的變化規律,研究了模角對變形和金屬的影響及變形力的變化過程和其影響因素。
  18. The relations between the parameters of gas charging and exhausting, heat quantity through the shell of tube ( q ), the length of the tube ( l ), the ratio of gas charging time to gas exhausting time ( ), the frequency of the jet flow ( f ), the ratio of the expansion ( ), the nature of thermal separator and the unsteady flow in the tube were established

    建立了進、排氣數、管壁散熱( q ) 、管長( l ) 、充、排氣時間比( ) 、射頻率( f ) 、膨脹比( )等數與熱分離機性能及管內非定常的關系,並分析了有關因素對熱分離機性能的影響。
  19. Based on prandtl ' s momentum transportation, this paper calculates in detail the physical quantities such as eddy viscosities, and ratio of eddy viscosity to motion viscosity, total stresses with respect to relative position in three regions of viscous sub - layer, buffer layer, and main turbulent stream for non - newtonian fluid flowing turbulently in ducts, which according to karman ' s three layer models and measurement of fluid parameters in evaluation apparatus, discusses the influence of polymer drag reduction on flowing properties of non - newton fluid, analyzes quantitatively principle of turbulent reduction phenomenon and condition of increasing reduction rate

    摘要以普蘭德傳遞理論為基礎,按照卡門的三層模型,通過室內模擬環道用0號柴油及加入減阻劑在圓管內的數的測定,計算了非牛頓型體管內湍邊界層的層內層、過渡層、湍中心的渦粘度,渦粘度與運粘度比、總應力隨相對位置的變化等定數,探討了高分子減阻劑對非牛頓特性的影響,對湍減阻現象的機理與增大減阻率的條件進行了定分析。
  20. ( 3 ) under the ideal conditions of no particle deposition, the complex effects of flow parameters and geometry on performance of microfiltration with outside helical flow were discussed. and it is suggested that when designing, several factors should be taken into account comprehensively. it is noted that increasing mf capability will, at the same time, increase the energy loss of the module

    ( 3 )綜合分析了在無顆粒沉積的理想情況下,數、結構數對微濾效果的影響情況,發現各數對微濾效果的影響復雜,在膜器優化設計時必須綜合考慮各因素而適當選取,且微濾效果的提高是以過膜器壓力損失的增大為代價的,從而從理論上對實際微濾過程中觀察到的通隨操作壓力的增大而增大的現象做出了解釋。
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