非穩定工況 的英文怎麼說

中文拼音 [fēiwěndìnggōngkuàng]
非穩定工況 英文
u teady stage condition
  • 非 : Ⅰ名詞1 （錯誤） mistake; wrong; errors 2 （指非洲） short for africa 3 （姓氏） a surname Ⅱ動詞1 ...
  • 穩 : 形容詞1 （穩定; 穩當） steady; stable; firm 2 （穩重） steady; staid; sedate 3 （穩妥） sure; rel...
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  • 工 : Ⅰ名詞1 （工人和工人階級） worker; workman; the working class 2 （工作; 生產勞動） work; labour 3 ...
  • 況 : Ⅰ名詞1 （情形） condition; situation 2 （姓氏） a surname Ⅱ動詞（比方） compare Ⅲ連詞[書面語] （...
  • 穩定 : 1 （使穩定） stabilize; steady 2 （穩固安定） stable; steady 3 （物質的性能不易改變的作用） stabi...
  1. The software ansys6. 0 is used to analysis the stability of the state after construction of tongwamen bridge, linear method is used in analyzing the finite element model of the bridge, the coeffient of stability of different state after construction is given. on the basis, the effect of different factors such as the arrangement of lateral brace, the sloping angle of arch ribs, the stiffness of bridge deck system, the effect of non - orientedly conservative loadings of the hanger and tie bar etc is discussed. the different coefficients of stability of changing these factors are given, so the factors that are vital to the lateral stability of x - type arches are found, and the rationality of the methods taken to enhance the lateral stability of tongwamen bridge is evaluated

    本文應用有限元分析商業軟體ansys6 . 0 ，採用線彈性方法，通過對該橋的空間有限元模型進行穩定性分析，得出其成橋運營階段各種工況下的穩定安全系數。在此基礎上，本文還通過有限元模型分析，就拱的矢跨比、吊桿（立柱）的非保向力效應、橋面系的剛度、橫撐布置形式、拱肋側傾角等因素對該橋整體穩定性的影響展開探討與研究。文中給出了各因素變化情況下的穩定安全系數，指出了對鋼管混凝土提籃拱橫向穩定性有顯著影響的因素及其合理變化范圍，並對銅瓦門大橋提高橫向穩定性的措施的經濟合理性進行了分析。
  2. During the trenching procedure, until concrete casting is taken, it is very crucial to maintain the stability of the trench wall, which relatives closely to geologic conditions, particle size, groundwater state, trenching skills and so on

    槽壁的穩定與地質結構、顆粒大小、地下水情況、施工工藝等因素有著密切的關系，泥漿固壁是保證槽孔穩定最有效的方法。泥漿固壁的機理和槽壁的穩定關系分析是一個非常復雜的問題。
  3. This paper establishes the linear model of hydro - turbine and deducts its transfer coefficients. then the optimized operation parameters are gained in the frequency disturbance and load rejection simulation. through comparing dynamically, this paper analyses the impact on its dynamic performance if some governing system parameter changes

    在研究小波動情形時，即系統在穩定工作工況點附近小瞬變時，可以把非線性系統進行線性化處理;本文建立了水輪機調節系統的線性化模型，推導了其中的傳遞系數;對水輪機調節系統的頻率擾動和機組突甩負荷工況進行了模擬試驗，整定了最佳調節參數;通過動態比較，分析了調節系統參數改變對其動態性能的影響。
  4. The choice dam type is especial importance, during the designed research of the rock - fill dam, particular under the rock - fill dam with very deeply cover layer, the stress and strain of the middle wall and cutting interpenetration wall of the dam foundation is mostly sensitive, whether the. design of dam is scientific and reasonable, it is very important for cutting interpenetration and stability of the dam, the article offer the reference for the design of cutting interpenetration in the foundation with deep cover with earth the water conservancy in xiaban zone, based on the study and analysis the design of cutting seep in the foundation with deep cover with earth, cutting interpenetration concrete wall and the joining model of cutting interpenetration material in body of dam and the applying effect in the practical worko based on the foundation which absorbed and summarize the achievement of design and research in the inter and outer country, for the project of the clay vertical middle wall and vertical cutting interpenetration, the asphalt concrete vertical middle wall and vertical cutting interpenetration the clay inclined middle wall and the lever carpet layer cutting interpenetration, respectively in terms of the different stage of complete period sluice period and working condition, adopting nonlinear calculate and analysis with the finite element method ; carrying the analysis and study with the 3d finite element method as to the different joining model of the left bank high slope cutting interpenetration body and the foundation concert cutting interpenetration wall ; carrying the analysis and study with the 3d finite element method as to the effect of the wall stress and strain because of the different elasticity modulus of the concert cutting interpenetration wall through the analysis and study with the different project. have comparatively all - around comprehended the various model dam, particular the distribute rule of stress and strain of the cutting interpenetration system, provide for the important evidence of the plastic area size the join model of the foundation cutting interpenetrate wall and dam body cutting interpenetrate system the choice of the dam model and the design of the structure of the dam body, the result of research and advice have very importance value in design and building for the similarity project

    工程設計中，壩型的選取顯得尤為重要，特別對于壩基有深厚覆蓋層的堆石壩，心墻和壩基防滲墻的應力和變形是壩體、壩基最敏感的部位，設計方案是否安全、科學和合理，對大壩防滲和穩定起到至觀重要的作用。本文研究分析了國內外深厚覆蓋層基礎防滲設計、壩基混凝土防滲墻與壩體防滲體銜接形式及工程實際應用效果，為下坂地水利樞紐工程深厚覆蓋層基礎防滲設計的方案選擇提供了參考；在吸收和歸納了國內外堆石壩的設計研究成果的基礎上，對粘土心墻和壩基垂直防滲方案、瀝青混凝土心墻和壩基垂直防滲方案以及粘土斜心墻和壩基水平鋪蓋防滲方案，分別按竣工期和蓄水運行期的不同工作情況進行了有限元非線性計算分析；對左岸高陡邊坡的大壩防滲體與基礎混凝土防滲墻的不同結合型式進行了三維有限元靜力計算分析和研究；對混凝土防滲墻不同彈性模量對墻體應力和變位的影響進行了三維有限元靜力計算分析和研究。通過對不同方案的計算分析和研究，比較全面的了解了各方案壩體，尤其是防滲體的應力和變形分佈規律，為壩型選擇、壩體結構設計、基礎防滲墻與壩體防滲體的結合型式以及塑性區大小的確定提供了重要依據。
  5. Globalisation is undermining the old certainties in lots of ways : employment is less secure, communities less rooted, the gaps between rich and poor, skilled and unskilled, young and old, are wider, and immigration has risen sharply in recent years

    全球化在許多方面破壞了過去一成不變的情況：工作少了保障，社區少了穩定，貧與富、技工與非技工以及年輕人與老年人之間的差距正在擴大，近年來移民也急速增加。
  6. The author investigated the influence of different informal institutions on development of engineering consultation corporation on base of evolutionary game theory, put forward evolutionarily direction of the informal institution needed by engineering consultation corporation

    本文運用進化博弈論中的復制動態模型和進化穩定均衡分析了有限理性情況下，受不同非正式制度影響的工程咨詢企業的進化博弈解，揭示了工程咨詢企業非正式制度的長期演化趨勢。
  7. Especially, when the isocline of x is monotone decreasing in 0 < x < 1, the svstem has no limit cycle and is globally stable ; next, we construct a saddle bifurcation at the boundary equilibrium and a degenerated bogdanov - takens bifurcation at the interior equilibrium by choosing appropriate parameter values in the following two sections, where our work are based on the theory of central manifolds and normal torms. we prove that is a codimention 3 focus - type equilibrium. system ( 6. 1 ) will have two limit cycles at some appropriate bifurcation parameter values, and have homoclinic or double - homoclinic orbits at some other appropriate bifurcation parameter values ; at last, we study the qualitative properties of the system at infinite in the poincare sphere

    因為系統在（ 0 ， 0 ）點處沒有定義，這給研究其在（ 0 ， 0 ）附近的動力學性質帶來了困難，我們應用文獻[ 17 ]中關于研究非線性方程奇點的系列理論和方法，圓滿解決了這一問題，給出了第一象限內當t +或t -時，在全參數狀態下系統的軌線趨于（ 0 ， 0 ）點的所有可能情況，其相圖也得以描繪；並且，系統不存在極限環的幾個充分條件我們也予以列出，當x的等傾線在0 x 1范圍內遞減時，系統不存在極限環，全局漸近穩定；然後，我們以中心流形定理和正規型方法為主要工具，巧妙選擇參數，分別構造了一個余維2的鞍點分岔和一個余維3退化bogdanov - takens分岔，證明了平衡點是余維3的焦點型平衡點，存在參數， m ，的值使得系統（ 6 . 1 ）有兩個極限環，還存在參數， m ，的另外值使得系統（ 6 . 1 ）有同宿軌或雙同宿軌。
  8. Its main contents is as follow : firstly, it makes the discrete model for the subsystems of the scraper conveyor and the whole system with the finite element method ; secondly, the modal analysis method is used to obtain the inhere frequency and mode of the viberation ; finally, computer simulation is applied to get the displacement, velocity, acceleration and tension of the anyplace on the scraper conveyor for the four special working condition

    其主要內容如下：用有限元方法建立了刮板輸送機子系統及整個系統的離散體動力學模型；應用模態分析法求解系統的固有頻率和振型；對四種非穩定工況下的動態特性進行計算機模擬，得出整個刮板輸送機在任意點的位移、速度、加速度和動張力。
  9. A new aerodynamic design system developed by authors for draft fan with enhanced efficiency, suppressed noise, enlarged flux and high load. the new design system features : a twist regulation for vortex control is employed in designing to lessen the secondary flow loss in the blade tip and hub ; the feasibility and high efficiency of this procedure has been verified by the tests of the prototype fan ; a new computer - aided 3d blading is used to optimize the blade ; numerical inverse checking is adopted to enhance accuracy in designing and cut down the period of the designing and production. this design system can make the optimized blade with " forward inclination ", " inclining sweep ", " bending sweep ", to minimize the various secondary flow losses, to expand the steady working range of the fan, and to suppress the aerodynamic noise source

    本文通過對一種新型高性能礦用局部通風機的設計、製造及試驗全過程的綜述，展現了新的先進設計體系在民用通風機上的成功運用，其研製特點是： （ 1 ）在葉片氣動設計中為了降低葉根及葉尖區二次流損失，採用可控渦扭向規律設計，樣機實測的高性能驗證了這種方法的可行性和高效性； （ 2 ）在設計方法中採用較精確的數值反驗算，獲取最優設計方案，大大提高設計的準確性和成功率，並縮短了設計試制周期； （ 3 ）在設計過程中發展了計算機輔助三維葉片造型新方法，可以根據設計需要簡便快捷地對葉片進行「前傾」 、 「傾掠」或「彎掠」造型，這些造型對減小各種二次流損失、擴大穩定工況范圍和控制葉輪機氣動噪聲源起到了非常好的作用。
  10. Abstract : a new aerodynamic design system developed by authors for draft fan with enhanced efficiency, suppressed noise, enlarged flux and high load. the new design system features : a twist regulation for vortex control is employed in designing to lessen the secondary flow loss in the blade tip and hub ; the feasibility and high efficiency of this procedure has been verified by the tests of the prototype fan ; a new computer - aided 3d blading is used to optimize the blade ; numerical inverse checking is adopted to enhance accuracy in designing and cut down the period of the designing and production. this design system can make the optimized blade with " forward inclination ", " inclining sweep ", " bending sweep ", to minimize the various secondary flow losses, to expand the steady working range of the fan, and to suppress the aerodynamic noise source

    文摘:本文通過對一種新型高性能礦用局部通風機的設計、製造及試驗全過程的綜述，展現了新的先進設計體系在民用通風機上的成功運用，其研製特點是： （ 1 ）在葉片氣動設計中為了降低葉根及葉尖區二次流損失，採用可控渦扭向規律設計，樣機實測的高性能驗證了這種方法的可行性和高效性； （ 2 ）在設計方法中採用較精確的數值反驗算，獲取最優設計方案，大大提高設計的準確性和成功率，並縮短了設計試制周期； （ 3 ）在設計過程中發展了計算機輔助三維葉片造型新方法，可以根據設計需要簡便快捷地對葉片進行「前傾」 、 「傾掠」或「彎掠」造型，這些造型對減小各種二次流損失、擴大穩定工況范圍和控制葉輪機氣動噪聲源起到了非常好的作用。
  11. Globalisation and the increasing complexity of international fund flows are making it more difficult to maintain monetary and financial stability. this is a task that cannot be achieved in automatic gear

    在金融市場全球化及國際資金流動愈趨復雜的情況下，保持貨幣及金融穩定的工作愈趨艱巨，並非可自動化進行。
  12. Basing on the coulomb friction model, a model reference adaptive control system is designed first according to lyarpnov stable theory. considering the real situation at low speed region, the stribeck model controller is put into use also. the both regulators are studied through simulation

    針對非線性摩擦對系統低速性能的影響，根據自適應控制理論，採用李雅普諾夫穩定理論，首先設計了基於庫侖摩擦的模型參考模型自適應控制系統，考慮到轉臺伺服系統低速時工作在stribeck區的真實情況，理論上綜合出利用非線性stribeck摩擦模型的自適應控制器，並進行了模擬研究。
  13. Firstly, the displacement, stress, strain fields and the working state of dam body and foundation are evaluated by fem. by overloading the upstream water level and reducing rock strength parameters, the failure process of dam foundation is simulated and the failure mode and paths are determined. the results show that when overload method is used, damaged area develops from up - stream to down stream with failure front stays near the interface between dam body and bedrock

    首先採用非線性有限單元法對壩體及壩基在不同荷載工況下的變位、應力應變狀態展開分析，評價各工況下壩基的運行狀態，而後採用超載法和綜合法對大壩穩定性進行分析，模擬壩基的漸進性破壞過程，追蹤巖體破壞狀態的發展演變過程，從而得到壩基在超載和強度下降過程中的破壞模式和破壞發展路徑。
  14. In this thesis, by the summarizing and analyzing about the present stability control study state of synchronous generator unit, it is achieved that the governor pss ( gpss ) is more suitable for the stability control of multi - machine system because of its better decoupled character than conventional pss ; the intelligence control theory is more reasonable than conventional methods to design the hydro - generator unit gpss because of the uncertainty of mathematical model of hydro - electricity system caused by intense nonlinear character and time - variant operating mode of hydro - turbine and water - hammer effect of hydraulic system

    本文對同步發電機組穩定控制的研究現狀進行了綜述和分析。認為：與常規pss相比，調速器側pss （ gpss ）具有良好的解耦特性，更宜用於多機系統的穩定控制；由於水輪機特性的強非線性、工況的時變性以及引水系統的水擊效應所導致的水電系統數學模型的不確定性，採用智能控制理論設計水電機組gpss較常規設計方法更為合理。
  15. The combustion process of the coal powder boiler is that a kind of very complicated heat radiation exchanges course, it ’ s operating mode is extremely unstable

    煤粉鍋爐的燃燒過程是一種非常復雜的熱輻射交換過程，其工況極不穩定。
  16. The emulation analysis of unstable temperature and creep stress fields of the difference work conditions that cause cracks are carried out in using 3d and 2d nonlinear finite element method

    對可能導致裂縫的幾種工況，本文應用三維和二維非線性有限元分別對其進行不穩定溫度場和徐變應力場的模擬分析。
  17. With the popularization of computer and flourish of cae software, it becomes more and more widely adopted to solve the engine problem by software simulation in engine and vehicle realm

    在電控技術廣泛應用於汽車發動機的今天，對發動機在非穩定工況下工作過程進行研究和控制，已越來越多地引起人們的重視。
  18. With the stricter requirements of engine power performance, economic performance and engine emission, it is not enough to improve engine performance only by researching its static performance

    汽車在運行條件下，發動機大多處于非穩定工況下工作，其在非穩定工況下的行使時間、燃油消耗量和有害物排放等均佔主導地位。
  19. In oil, energy, chemical and many other areas, the oxygen content in boiler can directly reflect the combustion conditions. so it is important to measure the oxygen content. with the increase of people ’ s energy saving and environmental protection consciousness, it is necessary to develop a new style and high - performanced intelligent oxygen analyzer based on zirconia material

    在石油、發電、化工等領域中，鍋爐中的氧氣含量可直接反映燃燒狀況，氧氣含量的測量是非常重要的，而人們對于節能、環保意識更是不斷增強，因此，研製一種新型性能穩定的智能型氧化鋯氧氣分析儀是十分必要的。
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