穩態流動過程 的英文怎麼說

中文拼音 [wěntàiliúdòngguòchéng]
穩態流動過程 英文
stationaerer flieprozesteady-state-flow process
  • 穩 : 形容詞1 （穩定; 穩當） steady; stable; firm 2 （穩重） steady; staid; sedate 3 （穩妥） sure; rel...
  • 態 : 名詞1. （形狀; 狀態） form; condition; appearance 2. [物理學] （物質結構的狀態或階段） state 3. [語言學] （一種語法范疇） voice
  • 流 : 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...
  • 過 : 過Ⅰ動詞[口語] （超越） go beyond the limit; undue; excessiveⅡ名詞（姓氏） a surname
  • 程 : 名詞1 （規章; 法式） rule; regulation 2 （進度; 程序） order; procedure 3 （路途; 一段路） journe...
  • 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
  • 過程 : process; procedure; transversion; plication; course
  1. In order to realize the on - line prediction the baking temperature of ladle lining, and to study its temperature uniformity, a 3 - d transient mathematical model with multi - inlet and multi - outlet of ladle heating facility facilities was built

    摘要為了對鋼包的烘烤溫度進行在線預測，筆者耦合了流體流動、燃燒和換熱過程，建立了多入口、多出口的三維非穩態鋼包烘烤數學模型。
  2. The tested results showed that the collecting ring could be used for the dynamic stress test successfully and the experimental data would be used for determining load spectrum and analyzing fatigue life of spoke plate

    結果表明，動態測試過程穩定，所設計和製造的集流環完全滿足試驗要求，測試數據可以用於結構載荷譜的編制和疲勞壽命分析。
  3. Then the author pointed out the disadvantages of this unbalanced tax revenue system and the necessity of its reform from both domestic and international requirements. after investigating the evolving of tax systems in the world and the rising of income tax in developed countries, the author suggested the way to optimizing chinese tax revenue structure is to set up a two - main - body tax system with turnover tax and income tax. the conceived outline is to augment the incom e taxation, to adjust the comparative proportion between turnover tax and income tax, and hence to change the distorted tax system and set up a two - main - body one, in which turnover tax and income tax can function congenially and complementally

    在分析成因、指出弊端和改革必要性后，本文通過對稅制演變的規律總結和發達國家所得稅上升為主體稅種的過程考察，提出優化我國稅種收入結構的方向是建立雙主體稅種結構，總體思路是在穩定流轉稅收入的情況下，增加所得稅的規模及在稅收收入中的比重，以動態的方式改善商品流轉稅和所得稅的相對比例，改變我國稅種收入結構失衡、稅制功能扭曲的現狀，構建一個流轉稅和所得稅結構協調、功能互補的雙主體稅種結構。
  4. 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：半固態流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流動場，其工藝參數設計靈活；同等條件下，半固態流變壓鑄成形的型腔充填過程平穩，成形鑄件的質量優于液態壓鑄成形。
  5. 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量的關鍵因素之一，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參數對溫度場的影響也很大，需進行參數之間的協調，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流動的影響及變形力的變化過程和其影響因素。
  6. The possible factors including the deviation of temperature in length and breadth of rod, the changes of transfiguration resisting force under the changes of temperature, the adjustment of roll gap, the variation of rolling pressure, the changes of roller speed during dynamic adjusting press, the unmatched of seconds - flux under the dimension fluctuation of the coming sample and so on. the whole system was a closed loop which factors in it interacts each other

    可能的影響因素有:沿軋件縱橫向溫度變化、由溫度引起的軋件變形抗力變化、軋機輥縫值變化、負載變化、電機調節系統由不穩定向穩定過渡過程中軋輥轉速的變化（如咬鋼過程中的動態速降后的回復階段） 、來料尺寸波動造成秒流量不匹配等，整個模擬系統是各個因素相互影響關聯的一個閉環系統。
  7. Simulated results showed that the position and the evolution process of necks are influenced by tensile strain rates. uniform deformation covers only a small fraction of the total deformation. however, at the steady - like flow stage, restrictions and accommodations between scattered localizations promote large uniform deformation

    數值結果表明，頸縮的位置及發展過程受拉伸應變速率影響，完全均勻變形在總變形中實際占份量較小，而似穩流動階段的分散不均勻性的相互牽制與協調，使率敏感材料得以在接近均勻的狀態下經受大的變形。
  8. A transient, three - dimensional, non - isothermal and two - phase mathematical model based on computation fluid dynamics was developed to describe the dynamic process of pemfc

    摘要為描述質子交換膜燃料電池的動態過程，發展了一個基於計算流體動力學的非穩態、非等溫的三維兩相流數學模型。
  9. Robert a. mundell, the 1999 winner of nobel prize of economics, madeinnovative contributions to international macro - economics. his originality lies in the following areas : ( 1 ) setting up the mundell flemming model which pointed out for the first time that the efficiency of various policies aimed at stability of economy depends on the flow of international capital ; ( 2 ) designing a framework for dynamic analysis of currency flow based on hume ' s theory in quantity of classical currency ; ( 3 ) putting forward a theory of “ optimum currency area ”, which lays a theoretical foundation for establishing the european monetary system

    1999年諾貝爾經濟學獎得主羅伯特?芒德爾在國際宏觀經濟學方面做出了開創性貢獻，主要是: （ 1 ）創立了芒德爾一弗萊明模型，第一次較為系統地指出了各種經濟穩定政策的效率依賴于國際資本流動的程度; （ 2 ）通過發展休謨的古典貨幣數量論，建立了一套貨幣動態學分析體系； （ 3 ）開創性地提出了「最優貨幣區理論」 ，為歐盟建立共同貨幣提供了核心的理論基礎。
  10. Examinations of steady status and analysis of dynamic experiments have been conducted on band - tube evaporator and parallel - flow condenser using r134a refrigerant. the steady examination show that the model error was under the allowable error, the inlet mass and enthalpy disturb experiments indicate that the subsection model, be good at reflecting the change of parameters of the heat exchanger, accord with the basic principle of thermodynamics theory and the actual work status. hence, the subsection simulation model research has important benefits both on theory and engineering application

    在進行模擬試驗時，以使用r134a作製冷劑的管帶式蒸發器和平行流式冷凝器為對象，完成了穩態模擬計算、試驗和動態模擬分析，穩態計算結果和試驗數據對比表明，其誤差在允許范圍內；進口質量和焓值的擾動試驗結果表明：本文所建的區段式換熱器模擬模型，能很好的反映換熱器性能參數的動態變化，與系統熱動力學理論和冷凝器、蒸發器的實際工作過程基本一致。
  11. Surge phenomenon is an instability flowing condition when centrifugal compressor working at low flux, it can make the compressor shut down, the production process interrupted, then bring us the loss of economy. further more, it can damage the compressor, make it broken and can even hurt people

    喘振現象是離心壓縮機工作在小流量時的不穩定流動狀態，它的出現輕則使壓縮機停機，中斷生產過程造成經濟損失;重則造成壓縮機葉片損壞，引起壓縮機設備報廢甚至造成人員傷害。
  12. Abstract : a continuity wave model is put forward for the dispersion processof liquid - liquid two - phase system, by coupling mass and momentum conservation equations of two - fluid model. the conditions that result in a dispersion choke and the weak instability of a dispersion process are derived from the model. the phenomena of catastrophic inversion and transitional inversion are explained. the effect of drop size distribution on the maximum volume concentration of a emulsion is predicted using the model. according to the theory herein, emulsion inversion is the regime transition of liquid - liquid system due to the instablity of a dispersion process. the effect of drop size distribution on the maximum volume concentration of a liquid - liquid emulsion only occurs in a certain range of weber numbers

    文摘:以雙流體模型為基礎，通過質量守恆方程和動量守恆方程的耦合，提出了液-液兩相系中彌散傳質的連續波模型.由該模型得到彌散傳質過程阻塞和彌散傳質過程弱不穩定性產生的條件，計算了液滴尺寸及其分佈對乳化液極大堆砌分數的影響，解釋了劇變型乳化逆變和漸變型乳化逆變現象.研究結果表明，乳化逆變是由於彌散傳質過程的不穩定性而引起的懸浮體型態的改變，隨液滴尺寸多分散性的增大，極大堆砌分數增大；隨液滴平均尺寸的增大，多分散性對極大堆砌分數的影響減弱；當韋伯數足夠大時，液滴尺寸及其分佈對乳化液極大堆砌分數無影響
  13. According to the physical model, a mathematical model and computational method were proposed. an axially symmetric transient thermal conduction equation was put forward, which included material pyrolysis, pyrolysis gas flow and chemical reaction in charred layer. chemical reaction was controlled by chemical dynamics, and the reaction rate was computed using arrhenious equation

    針對物理模型提出了相應的數學模型和數值計算方法，在材料內部建立了二維軸對稱的非穩態導熱控制方程，其中加入了材料熱解、熱解氣體流動以及炭化層內的化學反應等因素的影響，化學反應由化學動力學控制，通過arrhenius公式確定其反應速率。
  14. Vanadium is important and valuable in steel - making, electronic production and national defence industry etc. now, the operation pattern of refining vanadium in our nation is based on human experiences, and the automation degree is still at a low level. operation mode based on human experiences is one of the main reasons make the quality of semi - steel and vanadium product unstable. in developed contury such as russian, static model was used to control the process of vanadium refining

    我國目前的轉爐提釩為人工操作模式，由操作人員根據經驗和感覺進行操作，自動化水平低，存在著釩渣質量和半鋼質量不穩定的問題；在國外，俄羅斯等一些國家已經在使用靜態模型對提釩過程進行控制，取得了較好的效果，但是這些模型大都是根據復雜的物理化學規律研製的機理模型，要求有非常穩定的生產流程和工藝條件，對于鐵水成分、生產設備等變化的適應性差，不但移植困難，而且模型價格異常昂貴。
  15. Based on the dc diffusion model, we build a duplex diffusion layer model which is composed of inner pulse diffusion layer and outer stable diffusion layer. in inner pulse diffusion layer, the concentration of ions fluctuates with frequency of pulse current ; in outer stable diffusion layer, the transport speed of ions is almost stable all the time, the main purpose is to transport the ions from the mass to the pulse diffusion layer

    在直流電沉積的擴散理論基礎上，建立了脈沖電沉積的雙擴散層模型，靠近電極為脈沖擴散層，擴散層內金屬離子的濃度隨脈沖電流的頻率而波動;脈沖擴散層外麵包圍著一層穩態擴散層，其中離子的擴散速度在整個過程中基本是穩定的，作用是將主體溶液中的離子不斷向脈沖擴散層中補充。
  16. Through establishing three mathematics models including the movement equation of the mechanical and electrical transmission system, the control of the load and the sliding in stable status, direct - current - brake of ac motor, this paper ascertained the range of the frequency value of drive motor and the efficiency of transmission system, calculated the efficiency of load motor in stable status and the moment of load motor in braking. this paper completed the design of the mechanical part of inertia brake test platform and provides a tool for the measurement of the inertia brake parameters

    本文還通過建立慣性制動器試驗臺的包括機電傳動系統的運動方程、穩態運行時負載與轉差率控制、交流電動機直流制動在內的三個數學模型，確定驅動電機的頻率取值范圍和傳動系統的傳動效率，驗算慣性制動器穩態運行時負載電機軸功率和慣性制動器制動時負載電機軸力矩，完成慣性制動器試驗臺設計中的機械部分，為慣性制動器各參數的測量提供工具。
  17. Abstract : the 2 - d unsteady flow field calculating program has been developed. with this program, the flow processes have been calculated in pool

    文摘:開發了二維非穩定態流場計算軟體，應用該軟體計算了明渠中蓄水池內的非穩定態流動過程
  18. Abstract : the initial charge - process of dc capacitor and the steady working state of active voltage - source - inverter power filters are analyzed in this paper, and four new parameters are proposed to judge the working performance of active power filters and to aid their design

    文摘:分析了電壓逆變器型單相有源電力濾波器直流側儲能電容器的初始充電過程（有源電力濾波器的起動過程）和有源電力濾波器的穩定工作狀態，並提出了判定有源電力濾波器性能、幫助有源電力濾波器設計的四個標識性參數。
  19. After analyzing the mathematical model of wind turbine and doubly - fed induction generator, a schematic is given about the power flow in the wind turbine and generator and a static equivalent circuit is shown as well. then, through the reference frame transform, the electromagnetic equation, dynamic equivalent circuit, and vectorgraph of doubly - fed generator can be gotten in the dq reference frame. in virtue of the general dynamic equivalent circuit, it produces a asymmetry equivalent

    本文在對風力機和雙饋電機進行了數學分析后，給出了功率在風力機和雙饋電機中的流動過程圖解，同時給出了雙饋電機的穩態等效電路；然後，經過坐標變換，進一步得出了同步坐標系下雙饋電機的基本電磁方程、功率方程、動態等效電路和綜合矢量圖，並藉助通用動態等效電路的形式，得出了便於定子磁鏈分析的不對稱等效電路。
  20. Although there are many papers on the numerical analysis of hydraulic - element flow fields, and make a good effect on improving the element properties, usually they only study steady flow field, which can not describe the whole moving process of hydraulic elements

    液壓元件內動邊界流場的模擬，是了解與改進元件參數性能最有力的手段。以往液壓元件內流場的數值模擬，僅限於穩態流場，它不能反映運動的全過程。
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