渦動性 的英文怎麼說

中文拼音 [guōdòngxìng]
渦動性 英文
vorticity
  • 渦 : 渦名詞1. （漩渦） eddy; whirlpool; vortex 2. （酒窩） dimple
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  1. One of factors which activize the explosive development of cyclone exists strong convective instability in lower layers from the analysis of the barotropic potential vorticity

    由正壓位渦分析得出，氣旋爆發性發展的啟動因子之一為低層存在強對流性不穩定。
  2. In a word, convective instability strong baxoclinicity barotropic advection of potential vorticity and latent heat release are factors which activize this explosive development of cyclone

    總之，對流不穩定、強斜壓性和正壓位渦平流、潛熱釋放是本次氣旋發展的啟動因子。
  3. Research on dynamic characteristic of eddy acceleration geophone

    渦流檢波器動特性的研究
  4. Inertial instability barotropic advection of potential vorticity the subsidence of the large value of potential vorticity above cyclone and geostrophic adjustment process is dynamical factors which make the cyclone developed violently

    慣性不穩定，正壓位渦平流以及正壓位渦大值下沉至氣旋上空和地轉適應過程是氣旋強烈發展的動力因子。
  5. In the first part, the steady nonlinear vortex lattice method is adopted to calculate the hydrodynamic characteristics of open water ichthyoid rudder, and the induced velocity of ichthyoid rudder is calculated using panel method

    本文理論計算部分，採用定常非線性渦格法計算魚形舵的水動力性能，用面元方法計算舵流場的誘導速度。
  6. Experimental studies on s1a - 02 gas turbine with water injection into compressor interstage / inlet as well as that on turbocharger self - loop test rig with inlet water injection are introduced. test results are in good accordance with simulation results, wet compression can lower compression work and increase engine power output so engine performance is enhanced, if engine power output is not changed, efficiencies of compressor and this engine become higher and turbine inlet temperature and fuel consumption become lower and if keeping t4 the same as that before wet compression is used, efficiencies become furthermore higher and engine power output increases greatly

    實驗結果和計算結果同樣表明：濕壓縮減少了壓氣機所消耗的壓縮功，增加了燃氣輪機的輸出功率，提高了燃氣輪機性能，如果保持發動機輸出功率恆定，濕壓縮可以提高壓氣機和整個燃氣輪機機組的效率，與此同時，渦輪進口溫度t _ 3 ~ *和燃油消耗率下降；如果保持渦輪排氣溫度t _ 4 ~ *恆定，壓氣機和燃氣輪機機組效率進一步提高，燃氣輪機輸出功率增加。
  7. The probe ' s linearity, temperature and dynamic characteristics are analyzed base on principal theory of eddy - current displacement sensor, such as the influence of the coil q value to the linearity characteristic, influence of the diameter of coil to the linearity characteristic, influence of coil resistance to the temperature characteristic, influence of the measuring coil to the syntony loop

    在介紹渦流位移傳感器的基本理論的基礎上，分析了傳感器探頭線性特性、溫度特性、動態特性的影響因素。從探頭線圈q值對線性特性的影響；探頭直徑對線性的影響；探頭線圈電阻對溫度特性的影響；激勵信號溫度特性的影響：檢測線圈?振迴路動態響應特性等方面分析並提出製作高質量傳感器探頭的改進措施。
  8. But when the markets went into a tailspin in august, volatility suddenly surged ; it became much more likely that those who had previously bought options would be able to exercise them ( particularly put options, which grant the right to sell at a given price )

    但當市場在8月捲入漩渦之中時，波動性就突然暴增了；這樣，那些之前買入期權的人就非常有可能去執行它（特別是看跌期權，它有權以約定價格出售資產） 。
  9. On the basis of axial vortex theory, the aerodynamic performance of tilt - rotor model has been built, and using it to analyze the aerodynamic performance of xv - 15, comparing to the actual data to prove the model ’ s validity, finally studied the variety of aerodynamic performance relative to the variable rotor diameter

    以軸向渦流理論為基礎，建立了適合於傾轉旋翼機氣動分析模型，以xv - 15傾轉旋翼機作為算例，通過結果的對比，表明本文的氣動模型能較好的分析傾轉旋翼機的氣動性能，並在氣動性能的基礎上分析了直徑變化對傾轉旋翼機氣動性能的影響。
  10. For the present two les models, adopting the subgrid eddy viscosity concept and introducing the transport equation of turbulence energy k, the subgrid scale turbulence is parameterized by the turbulence energy k and the length scale of turbulence / ( k - 1 model ). in addition, vegetation is considered as an internal source of resistant force and turbulence energy

    在應用大渦模擬方法求解數值計算模型控制方程時，亞網格雷諾應力項沿用了亞網格渦粘性系數思路，引入亞網格紊流脈動動能k的輸運方程，建立了關于亞網格紊流脈動動能k和紊流特徵長度l的k - l模型求解。
  11. The vibration signals analytical result of rotating machinery mass imbalance and oil film turbulence fault verified its feasibility and validity

    旋轉機械質量不平衡和油膜渦動故障的振動信號分析結果進一步驗證了這種方法的可行性和有效性。
  12. The results show that increase of flow reynolds number and decrease of sensitivity of turbine performance to reynolds number are two key technologies to aerodynamic design of high performance lpt

    設計結果表明提高渦輪工作雷諾數和降低渦輪性能對雷諾數變化的敏感程度是低雷諾數環境下高性能渦輪氣動設計的關鍵。
  13. In this paper, maccormack explicit time - split scheme, baldwin - lomax algebraic turbulent model and two - steps hydrogen - air nonequilibrium chemical kinetics model are employed to simulate the 2 - d flow fields in a fixed geometry scramjet combustor in different injecting way of fuel in different flight conditions. the results show, in the same entrance condition, the operating mode of scramjet combustor is influenced by the control of fuel

    本文採用maccormack顯式時間分裂法、 b - l代數渦粘性湍流模型及氫-空氣兩步非平衡化學動力學反應模型，模擬了在不同的飛行馬赫數條件下，固定幾何的雙模態燃燒室在不同供油規律下的二維燃燒流場。
  14. Owing to unsteady ship driving power, vibration of ship body, sealing function of seal part and variable stern flow companying with rotating propeller, the unsteady force results to vibration of ship shaft, which makes the oil film of stern journal bearing vibrate

    由於船舶動力的非穩定性、船體的振動、尾軸密封裝置的密封作用及螺旋槳的不均勻伴流作用，導致尾軸振動，使得尾軸承潤滑油膜渦動。
  15. In this paper, the boundary layer characteristics of a supercritical airfoil is researched in wind tunnel. from the start to control boundary layer separation and to improve aerodynamics characteristics of this airfoil, three kinds of trapezoid, delta and airfoil shaped vortex generators are designed based on traditional, sub boundary layer and micro - vortex generators conceptual design. it include as follows : 1

    研究工作中，從控制該翼型附面層分離、提高大迎角氣動性能的角度出發，通過風洞實驗研究，研究了該翼型的附面層特性和氣動性能，針對其附面層特性，給出了梯形、三角形和翼型式三種渦流發生器設計方案，為下一步研究工作奠定了堅實基礎。
  16. It is analyzed that the values of external excitation, the internal damping of the shaft and the depth of the crack have effects on the amplitude frequency response curves. in chapter 5, the bifurcation and chao s of a rotor system are studied. the bifurcation parameter sets of the motion equation are determined by using the theoretical method

    從理論上確定了在垂直平面內振動的裂紋轉子運動方程的分叉參數集，且用數值方法驗證了理論分析的正確性，同時，還利用melnikov函數法給出了系統發生混沌運動的臨界條件，最後，利用數值方法研究了考慮渦動影響的轉子系統的動力特性。
  17. A " saddle " shape appears in the curve of relationship between smd ( sauter mean diameter ) and charging voltage, the droplets " size distribution fluctuates with the change of charging voltage. the influence of electric field on flow field is apparent. the distribution of velocity and turbulent energy, structure and size of vortex appear different changes with the increase of voltage of charging

    索太爾粒徑隨電壓的變化曲線中出現「馬鞍」現象，粒徑的分佈情況隨電壓的升高出現波動性變化；電場對流場的作用明顯，速度與湍能的分佈及渦的結構等流場特性隨電場的改變均有不同規律的變化。
  18. Nonlinear characteristics such as bifurcation and chaos under three kinds of models are compared. and nonlinear characteristics of coupled vibrations under the model supporting with bearings are analyzed detailedly. the acquired torsion properties and nonlinear characteristics of cracked rotor have good assistant effect on diagnosing cracked fault

    以重力占優的開閉裂紋模型為研究對象，研究了裂紋轉子升速過程的彎扭耦合振動瞬態響應特性及影響因素，探討了1 3階及1 2階亞諧共振特徵；在考慮轉速渦動情況下，比較了三種模型的分叉與混沌等非線性特性，並詳細分析了軸承支承模型的彎扭耦合振動非線性特性。
  19. Stability of rotor system with nonlinear vibration

    轉子軸承系統渦動的穩定性分析
  20. The applied research of large eddy simulation ( les ), the shape optimization and the aerodynamic performances analysis of the lightcraft propelled by laser are main content in this paper

    論文主要包括湍流大渦模擬應用研究和激光推進的光船外形優化及氣動性能分析兩部分。
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