流動應力 的英文怎麼說

中文拼音 [liúdòngyīnglì]
流動應力 英文
flow stress
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 應 : 應動詞1 （回答） answer; respond to; echo 2 （滿足要求） comply with; grant 3 （順應; 適應） suit...
  • 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...
  • 流動 : 1. （液體或氣體移動） flow; run; circulate 2. （經常變換位置） going from place to place; on the move; mobile
  1. A separated collecting ring with carbon brushes was designed and manufactured for the dynamic stress test of spoke plates of rotor of bulb tubular turbine generator

    摘要根據測試需要，設計自製了分體式碳刷集流環，對燈泡貫流式水輪發電機轉子輻板進行了動應力測試。
  2. Accord i ng the heat transfer mechanism and the fluid resistance of the tube and corrugated fin radiator, i apply the computer to compile program to check up and design radiator, which makes the research theory can be d i rect i y app i i ed to manufacture process

    並依據散熱器的傳熱機理及流動阻力特性，運用計算機編程，組建了有關散熱器校核、設計熱計算的程序軟體，使理論研究結果能直接應用於生產實際。
  3. The transient cfd simulation including the spiral case, stay vane, guide vane, runner vane and draft tube at different operation points is studied fitly, then the result of the pressure distribution on runner blade is provided for the runner transient structural simulation by fluid - structure interaction ( fsi ) method

    文中首先對高水頭小負荷的渦帶工況下混流式水輪機內流場進行非定常cfd計算，得到渦帶工況下葉片表面不同時刻的水壓力載荷，並利用流固耦合方法對轉輪進行結構場瞬態特性計算，分析轉輪葉片的動應力特性。
  4. A labyrinth seal is a non - contacting circumferential seal utilizing a tortured path for flow between the stationary and rotating ( or reciprocating ) parts. the design utilizes a series of pressure drops to reduce the leakage

    迷宮密封是一種通過曲折通道增大流動阻力來實現封嚴的非接觸密封，通常用於密封氣體，廣泛應用於航空、能源、流體等領域的動力機械中。
  5. The result indicates that the dynamic stress caused by hydraulic pulse at partial load is one of the important reason of the fatigue and cracks of the runner

    結果表明由於水壓力脈動引起的轉輪葉片上的振動交變動應力是混流式水輪機疲勞破壞的主要原因之一。
  6. The flow stress model of 35crmo structural steel during hot forming

    結構鋼熱塑性變形流動應力模型
  7. Flow stress and constitutive model of ofhc cu for large deformation, different temperatures and different strain rates

    不同溫度和不同應變率下的流動應力和本構模型
  8. The experimental result of superplastic compression indicates that strain rate has intensive effect on flow stress of ti - 1023 alloy and the effect of temperature is related with strain rate

    超塑性壓縮實驗結果表明，應變速率對ti - 1023合金流動應力具有強烈的影響，溫度對流動應力的影響程度與應變速率大小有關。
  9. With the increase of volume fraction of sic particles, the flow stress of composites increases. from the compare of the experiment result and the analysis result, the constitute equation of mmcs is given. the penetration experimental equipments and technologies are also introduced

    隨著sic顆粒的體積分數的增加，復合材料流動應力相應增加，並將實驗結果與理論計算結果進行了比較分析，得到反映顆粒增強金屬基復合材料性能的本構方程。
  10. It was observed, from experiments, that this alloy presented abnormal performance after undergoing low strain rate and high - temperature deformation. the flow stress reduced to only one percent of the yield point at room temperature and the elongation to fracture increase twice

    試驗發現： 480下ly12經歷低應變速率拉伸后，將其冷卻至室溫，性質會發生極大變化：流動應力只有普通室溫屈服應力的十分之一左右；延伸率比通常條件下增加一倍左右。
  11. Three models are proposed as follows by applying the model of " mixed flow " : the stress of increasing fluid on fouling, collision between solid particles and fouling, and solid particles movement velocity ; the effects of operating parameters, properties of particles, and the volume fraction of particles on stress in solid - liquid two phase flow, collision stress between solid particles and fouling, maximal contacting area between solid particles and fouling and maximal contacting time between solid particles and fouling are investigated systematically by calculating and theoretical analysis

    利用「混流」模型，建立了兩相流體的剪應力模型、固體顆粒與垢層的碰撞模型和固體顆粒的運動速度模型；通過計算和理論分析，系統地考察了操作參數、顆粒物性、顆粒體積分率等對固液兩相流剪應力、顆粒對垢層的碰撞力、顆粒與垢層的最大接觸時間和最大接觸面積的影響。
  12. The last part of the thesis, we test the model by using a second - branch " s data and provide the comprehensive assessment on the commercial bank, it gives an actual example to tell you how to use the system. one point that deserves mentioning is that some of the indexes need further research and amendment in the practice and the shortage of the system

    在對理論回顧和現狀調查分析的基礎上提出某商業銀行二級分行競爭力評價指標體系構建的思路、框架、層次、指標及權重設置，根據銀行經營的「三性」原則，制訂相應反映流動能力、安全能力、盈利能力、發展能力和其它共五方面能力的指標。
  13. In view of the fact that the power of the nano technology and its many potential application in thermal science, the thesis mainly discussed the potential application of the nano technology in micro scale heat transfer, the stability of the nano particle suspension. experimental facility was designed and built up to study flow and heat transfer performance of cuo nano particle suspension and water in mini tubes

    鑒于納米技術表現出的強大生命力和在熱科學領域中潛在的廣闊應用前景，本文探討了納米懸浮液的穩定性，設計和建立了實驗系統，實驗研究了細圓管內氧化銅納米顆粒懸浮液流動及換熱特性，包括流動阻力特性，流動的轉捩和換熱特性。
  14. The cubic law which describe the law of fluid flow in fracture is based on parallel plate joint model, in this paper the cubic law is modified and non - parallel wedge - shaped joint fluid flow equation is formed, coupling relation between seepage and stress is given based on permeability and joint distortion as the linkage between two field, while the coupling mechanism is simple and explicit

    描述裂隙水流運動規律的立方定律是建立在平行板裂隙模型基礎上得出的，本文對立方定律進行了修正，推導了非平行楔形裂隙水流方程，根據滲透性和裂隙面變形關系給出了單裂隙滲流與應力耦合公式，耦合的機理十分簡單、明確。
  15. Researches show that high dynamic stress caused by hydraulic loads is the most important reason of the fatigue and cracks of the runner

    研究表明，水力激勵引起的混流式水輪機轉輪葉片動應力是引起葉片疲勞破壞的主要原因之一。
  16. A vertical two dimensional model for thermo stratified flows is proposed, which solves the velocity and pressure by a fractional step method, and large eddy simulation model is used to calculate the reynolds stress and turbulent diffusion effect

    摘要建立立面二維水動力學與水溫耦合模型，用分步法求解流速和壓力，採用大渦模型計算紊動應力和紊動擴散。
  17. A novel strip - coil - baffle structure used to enhance heat transfer and support the tube bundle for a tube - shell heat exchanger is proposed. the new structure can sleeve the tubes in bundle alternatively to create a vortex flow in a heat exchanger. the numerical simulation on the flow and heat transfer characteristics for this new structure heat exchanger is conducted. the computational domain consists of two strip - coil sleeved tubes and two bare tubes oppositely placed at each corner of a square. the velocity and temperature fields in such strip - coil - baffled channel are simulated using fluent software. the effects of the strip - coil - baffles on heat transfer enhancement and flow resistance in relation to the reynolds number are analyzed. the results show that this new structure bundle can enhance the heat transfer coefficient up to a range of 40 ? to 55 ? in comparison with a bare tube bundle ; meanwhile, higher flow resistance is also accompanied. it is believe that the strip - coil - baffled heat exchanger should have promising applications in many industry fields

    介紹了一種用於強化管殼式換熱器殼側傳熱和支撐管束的螺旋折流片新型結構，該結構是對換熱器管子相間地套上螺旋折流片以產生旋渦流動.研究模型是在正方形布置的4個管子中的2個對角管子套上螺旋折流片后形成的通道，利用fluent軟體對該上述四管通道模型的流場和溫度分佈情況進行了數值模擬;分析了四管通道模型中螺旋折流片對強化傳熱和流動阻力隨雷諾數的變化關系的影響.算例結果顯示該新型結構可比相同尺寸的光管通道中的情形傳熱系數提高約40 ? 55 ? ，同時也將伴隨較高的流動阻力.可以相信螺旋折流片式換熱器將會在許多工業領域有良好的應用前景
  18. Abstract : a novel strip - coil - baffle structure used to enhance heat transfer and support the tube bundle for a tube - shell heat exchanger is proposed. the new structure can sleeve the tubes in bundle alternatively to create a vortex flow in a heat exchanger. the numerical simulation on the flow and heat transfer characteristics for this new structure heat exchanger is conducted. the computational domain consists of two strip - coil sleeved tubes and two bare tubes oppositely placed at each corner of a square. the velocity and temperature fields in such strip - coil - baffled channel are simulated using fluent software. the effects of the strip - coil - baffles on heat transfer enhancement and flow resistance in relation to the reynolds number are analyzed. the results show that this new structure bundle can enhance the heat transfer coefficient up to a range of 40 ? to 55 ? in comparison with a bare tube bundle ; meanwhile, higher flow resistance is also accompanied. it is believe that the strip - coil - baffled heat exchanger should have promising applications in many industry fields

    文摘:介紹了一種用於強化管殼式換熱器殼側傳熱和支撐管束的螺旋折流片新型結構，該結構是對換熱器管子相間地套上螺旋折流片以產生旋渦流動.研究模型是在正方形布置的4個管子中的2個對角管子套上螺旋折流片后形成的通道，利用fluent軟體對該上述四管通道模型的流場和溫度分佈情況進行了數值模擬;分析了四管通道模型中螺旋折流片對強化傳熱和流動阻力隨雷諾數的變化關系的影響.算例結果顯示該新型結構可比相同尺寸的光管通道中的情形傳熱系數提高約40 ? 55 ? ，同時也將伴隨較高的流動阻力.可以相信螺旋折流片式換熱器將會在許多工業領域有良好的應用前景
  19. The degradation and lifetime model is deeply discussed, dynamic and static stress suffered by devices and circuits are compared and analyzed. a modified model for lc is proposed for better fitting the experimental data and the substrate current model parameters eerit and lc, degradation parameter h, m, n are extracted by the static stress experiment results

    詳細分析討論了mosfet的壽命與退化模型，並對電路中器件所受的動態應力與直流靜態電應力進行了分析比較：根據實驗結果改進了有效導電長度l _ c模型；應用直流電應力實驗數據進行了襯底電流模型中載流子速度飽和電子科技大學博士論文臨界電場e ； 、有效導電長度lc以及退化參數h 、 m和n的提取。
  20. In fact, the outlet flow of vane in the hydroelectric set is non - uniform flow for a variety of possible reasons. the flow is unsteady flow relative to vane and blade, and it is the main factor that affect self - excited vibration and dynamic characteristic of guide vane and hydraulic - turbine, which affect directly the power set to run safely and stably

    非均勻來流相對于導葉、葉片必然是一種非定常流。這種非定常流造成導葉和轉輪葉片的激振，是產生導葉和葉片動應力，改變它們頻率的最主要因素，而導葉和葉片的動力特性直接影響水輪機的穩定性。
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