量綱方程 的英文怎麼說

中文拼音 [liánggāngfāngchéng]
量綱方程 英文
dime ional equation
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 綱 : Ⅰ名詞1 （提網的總繩 多用於比喻） the headrope of a fishing net 2 （比喻事物最主要的部分） key lin...
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 程 : 名詞1 （規章; 法式） rule; regulation 2 （進度; 程序） order; procedure 3 （路途; 一段路） journe...
  1. ( 2 ) the liman problem is normally adopted to check the liability of numerical method. the calculation error was within 9 % by comparison with the theoretic solutions of liman problem in the following case, the dimensionless calculation length was 2 with high pressure zone 0. 8, and the dimensionless state parameters were p1 = 2, p2 = 1, p1 = p2 = 1, u1 = u2 = 0. experiment results in literature [ 8 ] were used to check the adaptability of the numerical model developed here for unconfined gas cloud explosions and the calculation error was within 13 %

    （ 2 ）數值方法的可靠性通常用黎曼問題的解析解檢驗，本文以無量綱計算區長度為2 ，高壓區長度為0 . 8 ，狀態參數為p _ 1 = 2 ， p _ 2 = 1 ， _ 1 = _ 2 = 1 ， u _ 1 = u _ 2 = 0條件下的黎曼問題解析解對所編制的爆炸場計算程序進行了考核，結果表明該程序的計算誤差在9以內；為考核本文計算模型預測開敞空間氣雲爆炸的適用性，以文獻[ 8 ]的實驗數據進行了校核，計算誤差在13以內。
  2. According to the theory of dimension analysis, the basic thoughts and methods of dimension analysis modeling in the direction of practical engineering prblems are explored

    摘要在量綱分析理論的基礎上，結合工程實際問題研究了量綱分析建模的基本思路和方法。
  3. Firstly, in order to treat the local weakened effect of the crack on the shaft, the equivalent line - spring model is built. then the constitutive equations are derived and the flexibility model of the rotating shaft is discussed. based on the lagrange equations, the non - linear dimensionless differential equations of the single rotor system with the disk and crack located at an arbitrary position of the shaft are obtained

    首先為處理裂紋對軸的局部削弱作用，提出了等效線彈簧模型，推導了線彈簧彈性本構關系，獲得了裂紋轉動軸的柔度模型，然後，應用lagrange方程建立了盤和裂紋處于軸任意位置的無量綱的單盤轉子系統的非線性運動控制微分方程。
  4. The existed material fatigue performance test curves are dealt with and analyzed, and the non - dimensional stress - strain curve, tangent modulus factor curve and fatigue life curve are drawn based on the experiment data, and these three non - dimensional parameter curves are used to find the inherent rules that the test curves can be replaced each other to some extent. it can be concluded that if the common character and system error of these materials are found, the test curve of a certain material can be used for reference by another material. this is a simple approach about fatigue life estimate and is engineering practical

    對已有的材料力學疲勞性能試驗曲線進行分析整理，利用試驗數據繪制了相對應力應變曲線、切線模量因子曲線和疲勞壽命曲線，利用這三種無量綱參數曲線發現了其中存在的規律性，即在某種程度上實驗曲線可以互相取代，並用試驗數據對此進行了討論，並由此推斷，如果找出材料彼此的共性或彼此之間的系統誤差就可以將一種材料的試驗曲線供其它材料參考使用，這是一種估算材料的疲勞壽命的簡便方法，對工程而言具有實用性。
  5. According to non - newtonian fluid mechanics theory and mathematical method, conbined with plunger moving property, the hypothesize fluid is imcompressive, hydraulic radius of flow of liquid in crevice is very little, and it is laminar flow, the flow is treated fixed continuous flow at every instant position of plunger, equation of motion and boundary condition were set up in condition of concentric and eccentric of pump barrel and plunger

    運用非牛頓流體力學理論和數理方法，結合抽油泵柱塞運動特點，假設液體為不可壓縮的，液體在縫隙中流動的水力半徑很小，呈層流流動，柱塞在每一位置的瞬間，流動做定常流處理，建立了泵筒與柱塞同心和偏心兩種情況下運動方程和邊界條件，引入無量綱坐標、無量綱速度和柱塞與泵筒偏心配合時的縫隙高度，並給出縫隙流流速、流量的解析解。
  6. In chapter 2, an accurate modified reynolds equation is derived. the modified reynolds equation is solved numerically with the finite different method, the generated axial thrust force, minimal mucus film thickness, load capacity of hydrodynamic pressure and circumferential friction under the rectangular screw are obtained. at last, using numeral methods and coordinate graphs, the influences of rectangular screw parameters on the generated axial thrust force, minimal mucus film thickness, load capacity of hydrodynamic pressure and circumferential friction are studied and analyzed

    第二章，首先推導了非牛頓流體的變形雷諾方程，化簡了雷諾方程，得出了矩形螺紋下有限差分方程；還推出了矩形螺紋作用下軸向摩擦牽引力、粘液膜厚度、粘液膜承載能力、周向摩擦阻力無量綱表達式，最後用數值計算方法求解，通過坐標圖分析了矩形螺紋參數對軸向摩擦牽引力、最小粘液膜厚度、粘液膜承載能力、周向摩擦阻力的影響。
  7. In mid - 1999, the government presented the amended draft central district extension outline zoning plan to the hong kong institute of engineers, hong kong institute of planners, hong kong institute of architects, hong kong institute of surveyors, hong kong institute of landscape architects and the real estate developers association of hong kong. they generally supported the minimum reclamation option that is the currently adopted option

    1999年年中，政府向香港工程師學會香港規劃師學會香港建築師學會香港測量師學會香港園景師學會和香港地產建設商會，介紹了經修訂的中區擴展部分分區計劃大綱草圖，草圖所包含的最小填海范圍方案即目前採用的方案獲得這些團體普遍接納。
  8. In mid - 1999, the government presented the amended draft ozp to the then central western district board and various professional bodies including the hong kong institution of engineers, hong kong institute of planners, hong kong institute of architects, hong kong institute of surveyors, hong kong institute of landscape architects and the real estate developers association of hong kong

    在1999年年中，政府向中西區區議會和不同的專業團體，包括香港工程師學會香港規劃師學會香港建築師學會香港測量師學會香港園景師學會和香港地產建設商會，介紹經修訂的分區計劃大綱草圖，最小填海范圍方案獲得普遍接納。
  9. This reference mode can also offer a guideline to colleges, which want to set up the quality management system or / and which want to adapt the qms editor to iso9000 : 2000 editor. as the size, framework and process are various among the colleges, the author offers a reasonable assessment method in order to make the quality audit more efficient and accurate. to design a framework or syllabus of audit check sheets, which can be applied to all colleges, will reduce contrived error if the quality management systems of the colleges are audited by different auditors and will make the administration get an intuitionistic understand of the systems

    由於各學校在規模、結構和所採用的過程不盡相同，為更好做好學校質量體系的審核工作，本文提出較為合理的評價方法，按iso9001 ： 2000標準質量管理體系的審核準則設計一個適用於各種學校的審核檢查表的框架或提綱對學校的iso9000質量管理體系進行評價，使不同審核員按此方法對學校的iso9000質量體系運行的真實狀況評價時，減少審核中的人為誤差，使主管機關對學校質量管理體系有較為直觀認識。
  10. In chapter three, the momentum integral equations and their solutions of two - phase fluids in boundary layer are given and the no - disturbance solutions on the surface of vane are required. leading into the disturbance factor of no - dimension and thickness coefficient ks in boundary layer, the numerical method of finite approximation is used to calculate the boundary layer

    第三章給出了固液兩相流泵的邊界層動量積分方程及其解的一般表達式，並得到葉片表面的無擾動解；引入了無量綱擾動因子及邊界層厚度系數k _ ，給出了用於邊界層計算的有限次逼近的計算方法。
  11. Firstly, based on n - s equation, the momentum differential equation （ contained centrifugal force ） is derived by simplification in boundary layer and then integrates the differential equation over the thickness of the boundary layer, the momentum integral equation is deduced. the dimensionless centrifugal factor is introduced, then the solution of the momentum integral equation is obtained. the dimensionless group is introduced to determined separation of boundary layer

    本文首先根據粘性流體力學的一般方程，通過在邊界層內進行量級比較，在所限定的范圍內得到了含有離心力的邊界層動量微分方程並給出其滿足的邊界條件，然後對該微分方程在邊界層內積分得到離心泵葉輪邊界層動量積分方程，在求解過程中引入了無量綱離心因子，並作了相應合理的假設，得出積分方程解的一般表達式，並引入以邊界層動量損失厚度為主要特徵量的無量綱參數對邊界層分離進行評價。
  12. In chapter 4, the modified reynolds equation is solved numerically with the finite different method, and the generated axial thrust force, minimal mucus film thickness, load capacity of hydrodynamic pressure and circumferential friction under the serrate screw are obtained. at last, using numeral methods and coordinate graphs, the influences of serrate screw parameters on the generated axial thrust force, minimal mucus film thickness, load capacity of hydrodynamic pressure and circumferential friction are studied and analyzed

    第四章，首先求出鋸齒形螺紋下數值計算所需的有限差分方程，再推出了鋸齒形螺紋作用下軸向摩擦牽引力、粘液膜厚度、粘液膜承載能力、周向摩擦阻力無量綱表達式，最後用數值計算方法求解，通過坐標圖分析了鋸齒形螺紋參數對軸向摩擦牽引力、最小粘液膜厚度、粘液膜承載能力、周向摩擦阻力的影響。
  13. When impact applies on a discrete system in which one of constraints is a constant with coulomb friction, the phenomenon of slip - stick at the point can cause the change of friction and the integration for frictional force during infinitesimal impulsive interval becomes impossible according to traditional impulsive dynamics of discrete systems. by introducing a new dimensional time parameter, first - order momentum - impulse differential equations are obtained and the discussion over infinitesimal impulsive interval is transformed into a piece - wise study on the finite region of impulse

    在引入新的無量綱的時間參數后，通過建立相應的動量-沖量的一階微分方程，在趨近於零的沖擊區間的討論變為在有限區間中來分段研究含滑動-黏滯的沖擊過程，得到了受到多點打擊的離散系統考慮庫侖摩擦時的動力學的求解方法，即根據沖擊前的初始狀態無需回到繁瑣的微分方程的求解便可以得到沖擊后系統的動力學響應。
  14. The physical and mathematical models are founded. numerical simulation of marangoni convection in the liquid bridge and gas channel was performed by employing the primitive variable method and using galerkin finite element method, which is applied for discretization of non - dimensional governing equations and boundary conditions. the relationship between the suppressing status of mc in the liquid bridge and the inlet gas velocity or the channel width is obtained, and the suppressing status of some kinds of marangoni numbers ( ma ) or size ratios of liquid bridge a is analyzed

    採用原始變量法，用galerkin有限單元法對無量綱控制方程及邊界條件進行離散后，數值模擬了微重力條件下半浮區硅熔體及氣體流道內的marangoni對流，得出了無量綱氣流沖刷速度及流道寬度變化和熔體內熱毛細對流抑製程度的關系，進而分析了不同的無量綱參數ma數和不同熔體幾何尺寸比a下熱毛細對流抑制情況。
  15. A simplification in the foundation of actual dynamics model and the differential equation of aircraft movement are put forward, we have non - dimensionalized the equations. an optimal guidance model for orbit transfers is accomplished by the optimal control theory

    本文圍繞平面情況下飛行器最佳變軌路徑這一主題，在實際力學模型基礎上進行簡化，建立飛行器運動微分方程，並加以無量綱化處理。
  16. Serving a field, with satisfying the guest ' s requirement to the greastest extent, society of utmost ground redound is a tenet, regard the creed of directive servive routine and the base that improve service quality as service standard, on the foundation of normative service, stress flexibility, offer for the guest more individuation serves and exceed mufti wu, regard the soul of hotel servive routine as close service

    在服務方面，以最大程度地滿足客人的需求，最大限度地回報社會為宗旨，把服務規范作為指導服務工作的綱領和提高服務質量的基礎，在規范服務的基礎上，講究靈活性，多為客人提供個性化服務和超常服務，把貼心服務作為酒店服務工作的靈魂。
  17. The ados works closely with the dos and provides support in the following areas : management of the teaching team, staff recruitment, induction, training and professional development ; administration of academic matters including course planning, syllabus design and development ; maintenance of academic standards, timetabling, material and resource management, and participation in promotional activities

    教務長助理和教務長一起密切合作並在以下方面提供幫助：管理教師、招聘員工、日常工作管理、教師培訓、教學工作管理包括課程計劃、教學大綱的設計和完善、教學質量控制、課程表安排、資料管理以及參加學院的對外宣傳活動。
  18. In chapter 3, the modified reynolds equation is solved numerically with the finite different method, and the generated axial thrust force, minimal mucus film thickness, load capacity of hydrodynamic pressure and circumferential friction under the trapezoidal screw are obtained. at last, using numeral methods and coordinate graphs, the influences of trapezoidal screw parameters on the generated axial thrust force, minimal mucus film thickness, load capacity of hydrodynamic pressure and circumferential friction are studied and analyzed

    第三章，首先求出梯形螺紋下有限差分方程，然後推導了梯形螺紋作用下軸向摩擦牽引力、粘液膜厚度、粘液膜承載能力、周向摩擦阻力無量綱表達式，並用數值計算方法求解，通過坐標圖分析了梯形螺紋參數對軸向摩擦牽引力、最小粘液膜厚度、粘液膜承載能力、周向摩擦阻力的影響。
  19. By using feedback control theory, we simplify equations of motion for inverted pendulum, and then we obtain the dimensionless equations of notion for inverted pendulum

    並結合反饋控制理論，對倒立擺系統的運動方程進行簡化，無量綱化后，得到倒立擺系統的無量綱運動方程。
  20. The problem is described for the determination of optimal spacecraft trajectories in an inverse - square field using low - thrust in this paper. the differential equation of aircraft is obtained by simplification of atmospheric model, then we do non - dimensionalized the equations

    本文主要討論了在反平方場中採用小推力下飛行器的最優變軌問題，通過對大氣模型的簡化，建立了飛行器的運動微分方程，然後加以無量綱化。
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