等推力法 的英文怎麼說

中文拼音 [děngtuīlìfǎ]
等推力法 英文
constant thrust method
  • 等 : Ⅰ量詞1 （等級） class; grade; rank 2 （種; 類） kind; sort; type Ⅱ形容詞（程度或數量上相同） equa...
  • 推 : 動詞1 （向外用力使物體移動） push; shove 2 （磨或碾） turn a mill or grindstone; grind 3 （剪或削...
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  • 推力 : visatergo; soot; propulsive force; thrust; momentum thrust
  1. In this dissertation, through computer simulation, the problems of modeling, control and guidance of auvs are presented. the first part of this dissertation addresses the problem of dynamically modeling of auvs, and derives thrusters " two - dimension nonlinear dynamic model, which has axial flow speed and propeller rotational velocity as two state variables, voltage or current of motor as inputs, and thruster force and torque as output. the second part focuses on the nonlinear adaptive sliding mode control of auvs in diving plane and steering plane

    本論文系統研究了自主式水下航行器的建模、非線性自適應滑模控制、以及深度調整和水平面導引方法等問題，具體成果和創新點如下1 、根據流體力學理論，建立了螺旋槳推進器的動態模型，它以螺旋槳來流速度v _ p和螺旋槳轉速n為狀態變量，以電機施加轉矩為輸入，螺旋槳推力t和轉矩q為輸出。
  2. As to teaching methods, new - type teaching methods which stress practical ability such as object teaching, training emphasizing logical thinking and scientific experiments are promoted

    從教學方法上來看，直觀性教學、重視邏輯思維訓練及科學實驗等推崇實踐能力的新型教學方法得到提倡。
  3. From the feature of the force and deformation of the tpih, 5 different elements are used to mesh the different zones of the tube, which are structural beam 3d elastic 4, structural pipe plastic straight 20, structural pipe elastic elbow 18, structural shell elastic 4 node 63 and contact 3d pt - to - surf 49 ; the contact problem is assumed to be flexible - to - flexible ; the temperature field is assumed to be body load. a mechanical model corresponding to reality has been established for numerical simulation. based on the above, the 3 - d fem numerical simulation of tpih has been carried out by using the ansys program

    針對加熱彎管過程的受力和變形特點，採用三維梁單元、三維塑性直管單元、三維彈性曲管單元、三維殼單元與三維點對面接觸單元等5種不同的單元分別對管毛坯不同區域進行劃分，並對接觸單元採用柔體-柔體的處理方法，將溫度場作為體載荷處理，建立了符合實際的加熱彎管問題數值模擬力學模型：在此基礎上，應用商用軟體ansys對加熱彎管過程進行三維有限元模擬與研究，獲得了成形時推力、彎矩、支撐力大小及其變化趨勢。
  4. Different equations to corresponding components are presented by analysing and transformating the general equations of fluid routes, then static characteristics mathematical model of liquid propellant space propulsion system is presented. based on the data of static characteristics calculation, mass model of thruster, propellant, propellant tank, gas, gas bottle, pipe and valve is presented using both the method of statistical regression and the method of stress analysis, then corresponding mass model is presented. based on the characteristics of liquid propellant space propulsion systems, analyse the five phases ( concept and definition, design and improvement, manufactureing and arrangement, operation and ma intenance, disposal ) in which life cycle cost of liquid propellant space propulsion systems is cost separately, then discompsed structure of life cycle cost and model of life cycle cost are presented

    將組件分成氣路組件和液路組件，再對氣路組件和液路組件進行相應的分類，然後通過對通用流路方程進行分析和變換對不同類型的組件分別建立不同的方程，從而建立了一個適用於液體推進劑空間推進系統的靜態數學模型；根據靜態計算所得到的數據，應用統計回歸法和應力分析法分別建立推力室、推進劑、推進劑貯箱、氣體、氣瓶以及導管和活門等的質量模型，從而建立相應的質量模型；結合液體推進劑空間推進系統特點，對液體推進劑空間推進系統全壽命周期費用發生的五個階段（概念和定義、設計和改進、製造和安裝、運行和維修、處理）分別進行分析，建立了液體推進劑空間推進系統全壽命周期費用分解結構和全壽命周期費用模型。
  5. Focusing on the performance evaluating and the design of tripropellant injector, adopting the cold test rig with background pressure supply, malvem particle analyzer, ccd photography system, tripropellant hot test - bed, numerical simulation software and auxiliary theoretical a nalysis, the d ischarge c haracteristic a s w ell a s a tomization p erformance o f the injector and the combustion performance as well as the mode - transition characteristic of thrust chamber are studied detailedly based on the 3 different structures of coaxial tripropellant injector, large numbers of important conclusions are gained

    本文圍繞三組元噴嘴的性能評定及設計方法。採用反壓冷試臺、馬爾文測粒儀、 ccd高速攝影系統、三組元發動機熱態試驗臺、數值模擬程序及輔助理論分析等多種技術手段和研究方法，對三種結構的同軸式三組元噴嘴深入進行了噴嘴流量特性和霧化特性、推力室燃燒性能和轉工況性能研究，得到了大量重要結果。
  6. The primary of linear induction motor which drives the metro is installed on the chassis bogie, and because it is quite strict with laying down railway rail to use flat linear induction motor to drive metro, its secondary - - - - reaction board ( called induction board ), which is a kind of compound board of aluminum and steel, is fixed on the rail sleeper between the track. it is the airgap which is a gap between the primary and secondary of lim. the electromagnetic airgap is a very important parameter of lim

    利用有限元法對直線感應電動機二維非線性渦流場進行了數值計算，並在此基礎上，運用電磁場有限元分析的專用軟體ansoftmaxwell2d對單邊型直線感應電動機的瞬態特性進行了模擬分析，得到電機運行過程中的電磁推力、法向力、初級電流、氣隙磁密等曲線，通過改變直線電機參數，分析了電機氣隙對其瞬態性能的影響。
  7. Then, the author tries to find theoretical reasons and bases in party autonomy doctrine, contract principles and new theories for the transfer of international commercial arbitration clauses. abundant theoretical reasons and basis are given in this part part two analyzes the practices in the transfer of international commercial arbitration clauses with the presentation of relevant cases and legislation. the courts have adopted various grounds to valid the transfer while the new contract laws could be regarded as a strong and powerful support but the arbitration laws have avoided the complex problem of such transfer

    法院從不同角度出發，藉助仲裁條款獨立性不影響其轉讓、自動轉讓、法，力圖使國際商事仲裁條款轉讓生效;禁止翻供和利益分析等推理方商事仲裁條款轉讓強有力的法律支持，新的合同立法完全可以成為國際國《合同法》堪稱楷模; 1996年英國《仲裁法》 ，專門針對第三方權利的1999年英問題粵採取迴避態度，而仲裁立法在這方面的表現卻差強人意，不論是還是1999年瑞典《仲裁法》都在仲裁條款轉讓而把這個棘手的問題留給司法機構自行解決改戶抹
  8. B ) equivalent circuit method and finite element analysis ( fea ) to compute the static force are presented, the results obtained by each method are compared one with the other. c ) the results of dynamic simulation by means of the software, ansoft show the hlfm " s characteristics when the motor works in the special frequency and single stroke and the conditions used for position control. d ) the measured static thrust - displacement characteristics and the dynamic characteristics during starting show good correlation with the calculated results

    在設計並製作了實驗樣機的基礎上所做的研究內容包括； （ 1 ）分別用能量法和麥克斯韋張量法推導電磁力的計算公式，並討論他們的不同應用范圍； （ 2 ）分別用等效磁路法和有限元法作直線力電機的靜特性分析，並比較分析它們的計算結果； （ 3 ）用有限元模擬軟體做直線力電機動態特性的模擬，分別分析直線力電機的頻率特性、動子開合閘特性和開環位置控制的工作特性； （ 4 ）做直線力電機的靜推力?位移特性實驗和動子開合閘的動態實驗，並將實驗結果與計算結果進行對比，實驗驗證了計算模型及計算方法的正確性。
  9. By analyzing the features of engineering geology of northeast part fenghuang mountain in yanan, the adverse geological problems including landslides, slumps, collapse and hazardous slopes are presented and their stability is assessed by virtue of bishop ' s method and surphas thrust method commonly used in limit equilibrium analysis, in order to supply the reliable basis for future design schemes

    摘要通過對鳳凰山東北麓工程地質特徵的分析，指出該區存在的不良地質問題有滑坡（滑塌）以及危險斜坡等，並對各滑坡（滑塌）以及危險斜坡的變形破壞特徵進行了分析，最後運用斜坡（滑坡）穩定性計算中常用的瑞典法、畢肖普法和剩餘推力法對其進行了穩定性驗算，為鳳凰山東北麓後期的治理設計提供了依據。
  10. The most important driving force in building a country ruled of law comes from the legal profession community composed of judges, procurators, lawyers and law professors, among which judges are an important part

    建設法治國家，最重要的推動力量是法律職業共同體，法官職業共同體由法官、檢察官、律師和法學教授等構成，法官是其中重要的組成部分。
  11. Calculating method of landslides drive force, and determination of the diameters of borehole and anchor cable, the number of the anchor cables, the anchorage length and types of the anchor head as well are also discussed

    本文還探討了作用在抗滑樁上的滑坡推力設計值的計算方法，以及錨索材料的選定、錨固深度計算、錨頭類型選擇、錨索與樁的連接設計、施工工藝與質量控制措施、檢測與監測等等。
  12. Thrust identity method

    等推力法
  13. Research on lim thrust, efficiency and control scheme is made to conclude some measures of improving lim performance. and the electromagnetism resistance in maglev traffic is discussed in order to see the interaction mechanism of electromagnetism. firstly, the characters of lim are analyzed by simulation

    本文圍繞直線感應電機牽引系統的性能展開研究，其中涉及了直線牽引過程中的推力、效率、控制方法以及磁浮交通中的電磁阻力等問題，為提升直線牽引系統性能及明確電磁作用機理提供了參考。
  14. Through these studies and analysis, following conclusions could be drawn : ( 1 ) it is necessary to study on harness engineering of landslide and dangerous rock since the main representations of this geological hazard are landslide and dangerous rock through geological investigation ; ( 2 ) it can be concluded though stability analysis that the dingzhuang landslide is stable naturally, which is identical to the in - situ investigation ; ( 3 ) through stability analysis, the landslide would slide if the water level dropped down from 175. 10m to 156. 0m and it rained successively after the three gorges reservoir work. ( 4 ) according to the results of calculation and the characteristic of the landslide, it is suggested that such measures as unloading at upper part, anchorage and pile supporting system and drainage system should be used on the landslide. ( 5 ) according to geological investigation, there are three kinds of dangerous rock in the engineering, those are failing - down rock, collapsing rock and sliding rock

    因此有必要對滑坡進行治理； （ 4 ）根據滑坡推力計算結果和本滑坡屬牽引式滑坡的特點，滑坡體上部相對較穩定，中下部處于基本穩定或不穩定狀態，因此建議此滑坡治理採用上部削坡減載與錨拉抗滑樁、擋墻進行支擋結合的處理方法，同時結合截排水等措施進行綜合治理； （ 5 ）根據地勘資料，通過對危巖體的形態、規模、基座和底界層及分佈特點和分析，將本工程危巖體失穩崩塌的方式歸納為墜落式、傾倒式和滑塌式三種類型並分別提出相應的穩定性計算方法； （ 6 ）分別對本工程中的危巖體進行了穩定性計算，並且發現其都處于不穩定狀態，因此根據實際情況分別提出相應襯砌支撐和清理等加固治理措施，最後還對加固后的危巖體進行了校核計算，滿足要求。
  15. Here, the aircraft is in extreme flight conditions that is high angles of attack and high angular rates. it can encounter severe nonlinear effects. detailed descriptions of the flight dynamic, aerodynamic models, inverse dynamic and the choice of the control variable are given

    2 、應用經典的微分幾何方法研究了一般的飛行狀態下飛機飛行的控制律，指出不利用矢量推力的飛行系統的控制方程一般都是可以逐步通過動態狀態反饋，適當的坐標變換和正則靜態反饋等三個步驟得以線性化。
  16. The more poles mode, the unequal pole width mode ; the low - frequency slot harmonic modulation mode and the mode of changing end magnetic conductance are presented, and these designing method can efficiently weaken the end effect and decrease the wave of the thrust

    提出的採用多極電機方式；初級與次級極距不等的方式；齒諧波低頻調制方式和改變電機兩端部磁導的方式等電機的設計原則和方法，都可有效地削弱端部效應，減小推力的波動。
  17. Based on widely assimilating the internal and overseas researches, the theory and methods of solid rocket motor ( srm ) thrust vector measurement and the automatic test technology are studied detailedly and comprehensively by means of theoretical analysis, engineering implement and experimental validation. the results attained are as follows

    論文在廣泛吸收國內外研究成果的基礎上，藉助理論分析、工程實現和試驗驗證等手段，對火箭發動機地面試驗中的推力矢量測量理論與方法以及自動測試技術進行了系統深入的研究，取得了一系列研究成果。
  18. Based on the content of each important stage of the optimum design on anti - slide pile, this paper discusses several key problems for optimum design on anti - slide pile, such as the choice of intensity parameter of the sliding zone, confirming the pile position, pushing force design, the pile interval and the anchoring depth, and then presents some methods for solution

    依據抗滑樁優化設計工作中各重要環節的工作內容，對滑帶土強度參數的選擇，抗滑樁位置和設計推力、抗滑樁問距、錨固段長度的確定等影響抗滑樁優化設計的關鍵技術問題進行了討論，提出解決這些問題的方法。
  19. Then, combined with the mechanism of vacuum preloading and based on the layer method, settlement calculation of vacuum preloading was analyzed. the study shows that the vacuum degree under membrane equivalent load method does not accord with the mechanism of vacuum preloading. based on the layer method, vacuum degree difference method and effective stress method are presented. the results show that the final settlement calculated by the vacuum degree difference method is more close to the observation results

    然後，結合真空預壓的機理，基於分層總和法的思想，對真空預壓沉降計算方法進行研究：指出用現有的膜下真空度等效荷載法進行沉降計算不符合真空預壓機理；提出了符合真空預壓機理的真空度差值法與有效應力法，前者所推算的最終沉降量較接近實測推算結果，後者與實際結果存在一定差距。
  20. This thesis attempts to explore some issues that deserve greater attention and further elucidation. based on a number of on - the - spot surveys and investigations, the thesis, taking statistics approaches such as factor analysis, one - way anova, independent - sample t test and regression, carries out in depth study of the push - pull theory, residents ’ perceptions and attitudes towards tourism in vernacular villages in southern anhui. furthermore, this thesis analyzes problems existing in tourism development of vernacular villages in southern anhui from a macroscopic perspective

    為了促進皖南古村落旅遊的可持續發展，本文試圖從目前皖南古村落旅遊研究中涉及較少或已涉及但有待深化的領域著手，在大量實地走訪、問卷調查的基礎上，通過因子分析、方差分析、 t檢驗法和回歸分析等定量評價方法，深入研究皖南古村落旅遊推力-引力體系和古村落居民感知與態度，並從宏觀層面上分析皖南古村落旅遊發展中存在的一些問題。
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