水動阻力 的英文怎麼說

中文拼音 [shuǐdòngzǔlì]
水動阻力 英文
hydrodynamicresistance
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 阻 : 動詞（阻擋; 阻礙） block; hinder; impede; obstruct
  • 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...
  • 阻力 : 1 （阻礙事物發展的外力） obstruction; resistance 2 [物理學] resistance; drag; drag force; nowel; ...
  1. Once the water reaches its maximum speed, the valve slams shut and pressure is built up in the pump. this pressure forces open a second valve linked to the delivery pipe. when nullah water falls past the hydraulic ram, its momentum will lift a tenth of the water to a storage tank located near the esther li building photo 2

    泵內有活門，當溪水在流動中受阻，會產生比正常壓力高十倍以上的瞬時水錘壓力，此時，泵內的另一活門會打開，把十分之一的溪水抽往設于李慧珍附近的儲水缸備用（圖二） 。
  2. As there is lost motion in every kind of machinery, so there is lost motion in the grain market due to momentum, which drives an option slightly above or below a resistance level

    每種機器都有空轉的情況，因此穀物市場當然也由於其運行在一個阻力水平上下很小的范圍內的動力而變成空轉。
  3. Work was done in turning the paddle wheel against the resistance of the water.

    轉動攪拌輪，克服水的阻力做功。
  4. Proceed from the angle of energy and taking considerations on interference factor and drag of airfoil profile, a kind of new typed calculation method on the design of vane air foil was put forward according to the vortex aerodynamics model of the rotor of wind turbines with horizontal axis

    摘要根據水平軸風力機轉子的渦流氣動模型，從能量的角度入手，考慮干涉因子和翼型阻力，提出了葉片翼型設計的一種新型計算方法。
  5. The results of hydraulic resistance and automatic measuring and controlling system presented by this paper have been applied to practical engineering hydraulic model research, forming a characteristics system

    本文關於水力阻力和自動測控系統的成果均應用於實際工程水力模型研究，形成了有一定特色的體系。
  6. As a shipbuilder, cockerell was trying to find a solution to the problem of the wave resistance which wastes a good deal of a surface ship ' s power and limits its speed

    作為一個船舶技師，科克雷爾在尋找解決波浪阻力的方法，因為波浪阻力浪費掉了船在水面行駛的大量動力，從而限制了船的速度。
  7. Flow resistance characteristics of symmetric fork tube used in a storage - pumped hydroelectric plant

    抽水蓄能電站對稱岔管的流動阻力特性
  8. The calculated drafts covers the whole possible ship draft in the large amplitude motion ; secondly, the research creates and solves the ship large amplitude motion equations. on the one hand, the actual calculation takes into account the coupling between the different motion modes, on the other hand, in the process of calculation of the ship hydrodynamic coefficient, it considers the influence of the nonlinear factor. the hydrodynamic coefficient used in the calculation of froude - krylov force, diffraction force and radiation force changes instantaneously following the draft, and the hydrostatic buoyancy is computed very accurately for the instantaneous immerse hull

    本文的研究分為二個部分：首先利用frank源匯法計算水動力系數，計算包括不同吃水時的附加質量和阻尼系數，吃水范圍涵蓋了船舶大幅度運動時所有可能的吃水；然後建立和求解船舶大幅度運動方程，在實際計算時一方面考慮了運動模態之間的耦合，另一方面在計算水動力時，考慮了非線性因素的影響。 froude - krylov力、輻射力、繞射力中的水動力系數隨吃水瞬時變化，靜浮力的計算精確到船體瞬時濕表面積，最後用四階龍格?庫塔方法在時域內求解船舶運動方程，並進行了載荷計算。
  9. The method is described as follows : the velocity of the moving part and the gas chamber pressure were measured with a dynamic test measurement system ; a dynamic model was built on force analysis of the moving part ; the total kinetic resistance replaced the horizontal friction and water resistance ; then the resistance - velocity relation curves at moving stages were obtained ; with the empirical formula of the gas chamber pressure and the resistance - velocity relation curves, the preliminary dynamic characteristics were analyzed and the structural form and key parameters of an underwater assault rifle were determined

    具體方法為：由動力學測量系統測得活動件速度和氣室壓力；分析活動件的受力，建立動力學模型；以運動總阻力代替水平方向上的摩擦阻力和水阻力，獲得各運動階段的阻力速度關系曲線；利用氣室壓力經驗公式和阻力速度關系曲線，對水下突擊步槍進行初步的動力學分析，確定其構造型式及主要參數。
  10. The total kinetic resistance of a moving part ( a firearm bolt ) was acquired by experiment because water resistance was difficult to be got accurately

    因水阻力較難準確求得，可利用實驗確定活動件（槍機）運動總阻力。
  11. Maintain correct tyre pressure by inspecting your tyres regularly and inflating them to the pressure recommended by the manufacturer

    保持正確輪胎氣壓：維持適當的輪胎氣壓以減低滾動阻力；定期檢驗輪胎，並確保輪胎氣壓達到製造商建議的水平。
  12. The tension force, shear forces ( including pushing force, cutting force and friction force ), impulse force, hydrodynamic drag on the suction pipes, and the force resulted from the pressure difference, etc, are the main forces for detail discussion in this paper

    詳細討論了主要作用力：在波浪補償器作用下的纜繩拉力、耙頭與海床間的土壤剪切力、作用在耙吸管上的水流阻力及由於壓力差在耙頭處產生的推動力等。
  13. It is believed that the suit creates less water resistance as it moves, behaving more like a shark skin than a human skin

    身穿此種游泳衣在水中移動時，就像擁有一身鯊魚的皮膚一樣，可以減輕水的阻力。
  14. As the moving particle in the turbulence boundary layer, the resistance on microbubble from water may be fallen inside the scope of the stokes law

    作為湍流邊界層中運動的粒子，微氣泡受到水的阻力可能會在stokes阻力范圍內。
  15. Research on wastewater flow resistance characteristic in using urban original wastewater as a cool and heat source

    城市原生污水冷熱源污水流動阻力特性研究
  16. Valves - test of flow resistance using water as test fluid

    閥門.用水作為試驗流體的流動阻力試驗
  17. Valves - test of flow resistance using water as test fluid ; german version en 1267 : 1999

    閥門.以水作試驗流體的流動阻力試驗
  18. A flap vlave used in pumping station is a kind of hydraulic - operated automatic gate, which is similar to a hinged check vaive. because of their simple structure and reliability, being able to shorten the length of outlet passage and facilitate the starting of pumping system in comparison with siphonic vacuum - distroied cutoff scheme. so it is propitious to be used and save investment but at the same time, flap valves always show some disadvantage

    因拍門簡單、可靠，與虹吸真空破壞截流閉鎖方式相比，可以縮短出水管道（流道）長度，並利於泵系統起動，與快速閘門相比，拍門也有諸多優點，閘門門體易關閉不到位或卡住不能活動，因為門槽和?塊較軸孔容易殘留異物，閘門門體克服滑動阻力不僅無機械增益，且阻力和動力不在一直線上，門體易傾斜而自鎖，而拍門的工作可靠性則遠高於快速閘門。
  19. In the first, designed and set up the visual experiment equipments, and carried on the visual experiment, the characteristic of low re flow was analyzed through injecting ink to the channel ; secondly, in order to analyzing channel fluid conduct heat mechanism of strengthening further, heat transfer and fluid flow experiment study device was designed and set up, and carried on the experiments under the equal heat flux border situation

    首先設計並建立了可視化實驗裝置，進行可視化實驗。通過向通道注墨水以顯示流體流動狀況，分析了低re數時的流體流動特點；其次，為進一步深入分析通道內流體傳熱強化機理，設計並建立了換熱及流體流動實驗研究裝置，進行了等熱流邊界條件換熱和流體流動阻力實驗。
  20. We studied its characteristics of enhanced heat transfer and flow resistance. this article analyzed the influence of some parameters on channel ' s enhanced heat transfer and flow resistance. such as re, the hole ' s diameter with no unit d / 1, level center distance with no unit sl / 1 and vertical center distance s2 / l etc. and compared the characteristics with the no hole baffle

    本文對通道內設置多種開孔折流板的換熱與流動阻力特性進行了實驗研究，討論分析了雷諾數re以及通道內設置開孔折流板的無量綱孔徑d w 、無量綱水平中心距s1 w和無量綱垂直中心距s2 w等多個參數對通道強化換熱與流動阻力特性的影響。
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