槳狀 的英文怎麼說

中文拼音 [jiǎngzhuàng]
槳狀 英文
certificate of merit
  • 槳 : 名詞1. （劃船用具） oar; paddle 2. （螺旋槳） propeller
  • 狀 : Ⅰ名詞1 （形狀） form; shape 2 （情況） state; condition; situation; circumstances 3 （陳述事件或...
  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. In the second part, firstly, the mathematical model for predicting hydrodynamic characteristics of varivec propeller under steady or unsteady condition are present, based on the general propeller lifting - surface theory, potential flow theory and green theorem. then, theoretical calculation methods for predicting hydrodynamic characteristics of varivec propeller designed above paragraphs are present, based on the finite basic solution method, the unsteady vortex lattice method and hess - smith method

    在理論計算部分，本文首先基於常規螺旋槳升力面理論、勢流理論和格林定理建立了定常和非定常狀態下全方向推進器水動力性能計算的數學模型，然後利用有限基本解法、非定常渦格法和赫斯?史密斯方法對全方向推進器定常和非定常狀態下的數學模型進行了數值離散，接下來針對前面所設計的全方位推進器進行了數值預報。
  3. The second chapter studies the economy of ship ' s power plants, based on the aspects of lowering fuel cost, waste heat recovery, the match of ship, machinery and propeller, increasing propulsion efficiency, increasing the economy of ship ' s power plants, etc. the third chapter discusses in detail the control measures of voyage change cost, analysizes systematically the voyage change cost based on the way of fuel cost, harbor cost, voyage venture cost. the fourth chapter studies the structures and control measures of seafarers cost, maintenance cost, spare parts and stores cost, lubricating oil cost, etc. which are relatively easy to be controlled ; based on the state maintenance decision - making, a mathematical model is put forward, the validity and its solve process are discussed. the control measures of spare parts, fuel cost and lubricating oil cost should be based on scientific budget, through the control means of application, reception, usage, store check, try to acquire the inosculation of theory

    第一章主要討論營運船舶運輸成本，對船舶運輸成本的概念、結構、性質與分攤、成本細分進行了分析，從宏觀上闡明了船舶運輸成本的生存環境和生長趨勢；第二章研究了船舶動力裝置的經濟性，在營運船舶降低油耗、廢熱利用、船機槳匹配、提高推進效率、提高船舶動力裝置經濟性的有效途徑等方面進行了闡述和論證；第三章詳細論述並論證了航次變動成本的控制措施，全面系統地分析和總結了航次變動成本，通過對燃油成本、港口使費、航次風險成本的分析與控制，提出了航次風險成本的概念並論述了若干航次風險成本的控制措施；第四章對船舶營運成本中的船員費用控制、維修保養及其費用控制、船舶備件物料管理及其費用控制等幾個主要可控性較高的成本進行了細致的分析並分別討論了相互的控制措施，提出了基於狀態維修決策的馬爾可夫數學模型並論證了模型的正確性及具體解算步驟，對于備件、燃潤物料的控制堅持以科學的預算為前提，以申領、接收、使用、盤存為控制環節，切實做到理論與實踐的密切結合；第五章，結合營運成本的預核算的案例，對船舶營運成本的預算及核算進行了有益的探討，旨在揭示成本發生的動因，並給出了成本預算、核算的編制方法。
  4. A part or surface, such as a wing, propeller blade, or rudder, whose shape and orientation control stability, direction, lift, thrust, or propulsion

    翼剖面；機翼；翼面一個部件或平面，如機翼、螺旋槳葉、方向舵等，其形狀或方位控制穩定性、方向、抬升、沖擊或驅動
  5. Frequency tests of helicopter rotating rotor blade

    直升機旋翼旋轉狀態下槳葉固有頻率的測試
  6. According to the effect of variable - pitch system, we can divide the operation process into three states : starting, below rated power and rated power

    變槳距風力發電機組根據變槳距系統所起的作用可分為三種運行狀態，即風力發電機組的起動狀態、欠功率狀態和額定功率狀態。
  7. The paper has improved the existing lifting - line and lifting - surface design method by including the rake and skew and solving the optimum circulation distribution with the optimum theory. the blade geometry is expressed with b - spline for the lift - surface method. the boundary condition on the blade is transformed to minimize the summation of the square of normal velocities, the fair blade geometry can be obtained by present technique and the design quality is better

    改進了現有的升力線和升力面設計方法，在升力線設計中計及槳葉的縱傾和側斜的影響，用優化理論求解最佳環量分佈，升力面設計中用b樣條來擬合槳葉，將物面邊界條件轉化為求法向速度分量的平方最小，由此可得到光順的槳葉幾何形狀，提高和改進了設計質量。
  8. Without any hypothesis of the propeller ' s geometry, the surface panel method satisfy the body surface boundary condition on the fact body surface, and make the geometry representation of the propeller more precise, the mathematical model is more perfect

    面元法是在實際物面上滿足物面邊界條件，沒有對螺旋槳的幾何形狀做任何假設，能更精確地描述螺旋槳的復雜幾何形狀，其數學模型更加完善。
  9. The formation mechanism of mash scale is the following : slightly soluble or soluble substances in hypersaturated state separate out during distillation, soluble calcium salt converts into calcium carbonate scale or soluble calcium salt resolves into indissoluble calcium carbonate scale by heating

    摘要醪垢的形成因素有：微溶或可溶物質在蒸餾過程中處于過飽和狀態而析出；可溶性鈣鹽轉化成碳酸鈣垢；可溶性鈣鹽受熱分解生成難溶碳酸鈣垢；前處理的制槳工藝。
  10. 2. an unsteady, nonlinear state - space airfoil aerodynamics model was developed with onera dynamic stall model

    對於後行槳葉的動態失速行為，引入了對翼型實驗數據不敏感，並也具有狀態空間形式的onera動態失速模型。
  11. 5 ) sea trial of the actual vessel. as a result, the effect of power - saving for the hd type ' s 70, 000 deadweight panamax oil thaker is much higher, the performance of hd propeller is better than mau propeller and the cooperation among the hull, main engine and propeller is better too

    試驗結果表明：滬東型七萬噸級巴拿馬油輪的綜合節能效果顯著；滬東型（ hd ）螺旋槳效率較mau圖譜槳性能優良；滬東型（ hd ）螺旋槳與船、機匹配，經實船航行試驗驗證船舶在滿載狀況下（ t 12
  12. Wearable and anti - eroding coat is added after renewing the shape and dimensions to insure the life of mixer blade

    修復后的攪拌槳葉是在恢復原有的形狀后，表面再施加抗磨抗腐蝕耐磨塗層，確保攪拌槳的使用壽命。
  13. A long, thin, usually wooden pole with a blade at one end, used to row or steer a boat

    槳，櫓一根尾部有葉狀片的長而細的桿，多為木質，用於劃船或掌舵
  14. The blade section can be designed by parent section, thereby its chordwis circulation distributions can be worked out, and then lifting surface theory is used to design the three dimension blade geometry

    剖面採用母型剖面方法來設計，進而可確定槳葉弦向環量分佈，然後由升力面理論設計三維槳葉的幾何形狀。
  15. In the first part, firstly, the main dimensions of oar blade and propeller boss and other parameter of varivec propeller are selected. then, a suit of viable mechanism to control the work state of varivec propeller is designed, which is different from the mechanism designed by the japanese. it ' s principle is similar with the cycloid propeller

    在機構設計部分，本文首先確定了全方位推進器的槳葉及槳轂的主尺度以及其他的相關的參數，然後設計出一套可行的與擺線推進器工作原理相仿的調距機構用來對全方位推進器的工作狀態進行控制，該機構與日本的全方向推進器的連桿圓盤機構完全不同。
  16. In lifting - surface theory, the non - liner phenomena of the trailing vortex in the transition wake area and of the tip vortex separation are considered. in surface panel method hyperboloidal quadrilateral panels are employed and the morino ' s analytical formulation is used to determine the influence coefficients. the more reasonable pressure kutta condition is satisfied at the trailing edge of propeller blade

    在計算中，對于升力面理論，本論文考慮了過渡區尾渦收縮和葉梢分離的非線型現象的影響；對于面元法，本論文採用的是計算較為簡便的基於擾動速度勢的基本公式及雙曲面形狀的面元，在槳葉隨邊滿足更趨合理的壓力kutta條件，並用morino導出的解析公式計算面元的影響系數的快速有效的數值預報方法。
  17. For mechanical mixing pools, the effect depends greatly on the shape of the wheel of mixers

    對于機械混合池來說，對其混合效果影響極大的是所採用攪拌器的槳葉形狀。
  18. We were uncontrolled still at that point. the prop was fairly damaged causing lots of vibration

    那一刻我們仍舊處于失控狀態。飛機螺旋槳受到了相當大的損壞，導致巨大震顫。
  19. Second, the paper introduces the modeling of the major variable pitch wind turbine generator in detail and presents the simulink result of the major variable pitch wind turbine generator without controller. third, in the third chapter the paper puts forward a control tactics of the major variable pitch wind turbine generator. for comparing conveniently with the neural networks controller and the fuzzy controller that have been designed in the later chapters, this paper gives the simulink result of the major variable pitch wind turbine generator with pid controller in brief

    首先，簡單地介紹了控制理論、神經網路和模糊控制的發展概況以及風力發電機的現狀；其次，詳細地介紹了大型變槳距風力發電機的模型的建立，並給出了風力發電機系統的開環模擬結果；接著，在第三章提出了大型變槳距風力發電機的控制策略，為了便於和後面設計出的神經網路控制器和模糊控制器相比較，本論文還簡要地作出了pid控制器的模擬結果；然後，分別設計出了神經網路控制器和模糊控制器並模擬出了令人滿意的結果。
  20. To improve the stability, one common method is to install dampers at the roots of blades. however, commonly used dampers can hardly meet different demands when helicopter working in different conditions

    為提高旋翼/機體耦合動穩定性，一般採用在槳葉根部安裝減擺器的方法，但目前常用的減擺器很難滿足直升機不同工作狀態下對擺振器阻尼的不同需求。
分享友人
分享到 Line

分享到臉書