旋渦理論 的英文怎麼說

中文拼音 [xuánguōlǐlún]
旋渦理論 英文
vortex conception
  • 旋 : 旋Ⅰ動詞1 （旋轉） whirl 2 （用車床切削或用刀子轉著圈地削） turn sth on a lathe; lathe; pare Ⅱ名詞...
  • 渦 : 渦名詞1. （漩渦） eddy; whirlpool; vortex 2. （酒窩） dimple
  • 理 : Ⅰ名詞1 （物質組織的條紋） texture; grain （in wood skin etc ） 2 （道理;事理） reason; logic; tru...
  • 論 : 論名詞（記錄孔子及其門徒的言行的「論語」） the analects of confucius
  • 旋渦 : vortex （pl vortices; vortexes）; whirlpool; vemous; eddy; vorticit; backset; swirl; [地質學] nuc...
  • 理論 : theory
  1. The noise of the fan is mainly consist of circumrotatory noise and backset noise based on the theoretical analysis

    首先基於風機噪聲理論的分析確定了影響風機噪聲源的主要因素是旋轉噪聲和渦流噪聲。
  2. 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。
  3. The paper analyzes the characteristic of aerodynamics with structure of helicopter propeller blade, dissertrates vortex theory and the theory about gliding air field which produce the power of helicopter propeller blade. at the same time it also deduce the method of computing the induced velocity produced by helicopter propeller blade with vortex theory. at last, an influcence to the spreading of sound is discussed

    並且將兩種定位演算法進行了比較，說明了優劣；結合直升機的結構分析了旋翼的空氣動力特性，論述了直升機旋翼產生拉力的滑流理論和渦流理論，結合渦流理論論述了直升機旋翼流場誘導速度的計算方法，在此基礎上分析了直升機旋翼流場對聲音傳播的影響。
  4. By performing fourier transformation, the relationship between the turbulent intensity of the particle and that of the carrier fluid was obtained which makes clear that particle size, specific gravity, velocity gradient, and the characteristic frequency of energy - containing eddies are four basic influencing parameters. it is proven theoretically that under certain conditions, the stream - wise and transverse particle turbulent intensities exceed those of the carrier fluid. based on the equations of two - phase flow, the presence of fine sediment suspension is shown to attenuate the turbulent intensity of the water

    通過對細小顆粒在剪切流場中運動方程的fourier分析，得到了顆粒脈動強度和流體脈動強度之間的定量關系，表明顆粒粒徑、顆粒密度、流速梯度以及紊動場含能旋渦的特徵頻率是影響顆粒脈動強度的主要因素，首次從理論上證明了在一定條件下，顆粒在縱、垂向的脈動強度均會超過相應的流體脈動強度，為已有的實測資料提供了合理的解釋。
  5. The theoretical analysis on the operational characteristics of gshps taking into consideration of the characteristics that taking soil as the heat source and cold source, by means of thermodynamic methods, the theoretical research on the operational changing patterns of gshps with a scroll compressor using r22 as refrigerant has been conducted

    土壤源熱泵系統運行特性的理論分析針對以土壤為冷熱源的特點，運用熱力學的方法，對r22渦旋壓縮式土壤源熱泵系統的運行變化規律進行理論研究。
  6. In the second chapter, the fluid mechanics principle of vortex flowmeter at first was introduced. the classical theory about vortex flowmeter and the method of computational fluid dynamics about flow around body were expanded on, and the model of the single bluff body and the dual bluff body vortex flowmeter were constructed. and then, fvm - finite volume method - analysis software fluent was applied to analyze the flow phenomenon of flow over single bluff body or dual bluff body

    然後通過大量實驗和理論分析給出雙鈍體渦街流量計的設計準則：當管徑為d ，鈍體形狀為三角形，則鈍體設計參數為：銳邊寬度= 0 . 26d ，高度= 0 . 34d ，鈍體之間的距離= 1 . 2d （即當兩鈍體寬度相等且鈍體距離等於單鈍體兩列旋渦之間的距離） 。
  7. 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。
  8. Based on the green ' s formula and the assumption of the propeller blade ' s thin sections, a lifting - surface method of propellers with the vortex lattice and equal source panel distributions on the mean camber surface has been introduced for the prediction of steady propeller ' s hydrodynamics in this paper. an approximate kurta condition was applied

    基於creen公式和薄翼理論假設導出的升力面方法，採用在螺旋槳拱弧面上分佈離散渦、源布置方法預報均勻流場中的螺旋槳的定常性能，螺旋槳尾渦面上壓力連續性條件採用近似的kutta條件處理。
  9. In the second part of the paper, with employing the game reanalysis data and on the basis of the theories of the baroclinic vorticity development, this paper inferred from the dynamic analysis that the horizontal vorticity can represent the baroclinic intensity of the large - scale atmosphere, and the conversion of the horizontal vorticity converting into the vertical vorticity is actually the phenomenon that the horizontal vorticity flux of the summer monsoon owning the striking longitudinal - direction vertical structure and the strong baroclinicity, influence on the horizontal movement of the atmosphere

    在第二部分，基於第一部分的結果，本文在斜壓渦度發展理論的基礎上，用在我國季風區具有更高準確性的game再分析資料，討論分析了能代表大尺度大氣斜壓性強度的水平渦度在向垂直渦度轉化的情況，說明了此轉化就是具有明顯經向垂直結構特徵和強斜壓性的夏季風環流圈將其經向垂直剖面上的渦旋通量強迫於水平運動的現象。
  10. The equation of the pressure of scroll chambers 、 the force of axis 、 the force of radial 、 the force of tangent 、 inertial force 、 the composition of forces and the inertial movement is given. a dynamic model of scroll compressor of combination profile is developed, based on the analysis of the movement of the moving parts. this can provide base of theory for dynamical balance design 、 intensity design and reliability analysis

    論文利用pro / e軟體建立新型組合曲線渦旋壓縮機動渦盤的三維實體模型，在此基礎上根據受力情況對動渦盤的渦圈進行了有限元分析，探討動渦盤在工作過程中由於氣體力的作用而產生的應力與應變規律，為進一步完善動渦盤的設計提供了理論依據。
  11. After simulating the model of water hydraulic valves, the velocity distribution, pressure distribution, energy distribution can be obtained and relations between the valve channel and the energy loss, the negative pressure distribution can be analyzed, which offers the theory foundation for designing water hydraulic valves with the high efficiency, low energy loss and low noise

    通過對水壓閥模型的cfd穩態和瞬態解析，可以得到水壓閥內流場的速度分佈、壓力分佈及能量分佈，據此定性分析流道結構（速度、壓力、流動的分離與再附壁，旋渦的產生與消失等）與能量損失、負壓分佈等的關系，從而為設計出高效率、低能耗、低噪聲的水壓閥提供理論依據。
  12. In addition, from the angle of removing the negative gain media in the cycling gas and the excitation - counteracting media, we put forward the eliminating the impurity by using of the non - uniform stationary electrical field and the swirling electrical field so as to improve the effective excitation of the laser media

    本文還從清除循環氣體中負增益介質以及消激發介質的角度來改善激光介質的有效激發，提出了使用非均勻靜電場和渦旋電場清除雜質的方案。理論分析與部分實驗驗證表明，這兩種方案都能有效地清除混合氣中的雜質。
  13. In the 1960 ' s, the circumfluence theory has been used to design the shroud - propeller, and it can be divided to two methods, one is that the profile of die shroud is provided, the other is that the pressure distribution of the shroud is provided.

    到六十年代，函道螺旋槳的環流理論就可用來計算這種推進器的設計問題。本文中使用的方法是：函道用圓環渦系和圓環源、匯系模擬，用線性理論計算；螺旋槳用一個變負載的鼓動盤模擬。
  14. A model of letting out of no oil ubricated double whirlpools vortex air compressor was set up, the length of leak line of one cycle was calculated the change of the leak line at work, the change of the length of leak line varying with the crank corner, and the change of the leak amount varying with the pressure of revealing atmospheric and crank corner were analyzed

    摘要建立了無油潤滑雙渦圈渦旋壓縮機的泄露模型，根據型線的幾何理論計算了一個周期內泄漏線的長度，分析了在工作過程中泄漏線的變化，泄漏線長度隨曲柄轉角的變化，以及泄露量隨排氣壓力，曲柄轉角的變代情況。
  15. The theory includes quaternion and rotation vector, coning error, sculling error and scrolling error and the compensating methods of these errors. 2

    基本理論包括四元數和等效旋轉矢量演算法、圓錐誤差及其補償演算法、劃船誤差產生的機理及其補償演算法、渦卷誤差產生的機理及其補償演算法。
  16. Geometric, kinetic, and lifetime analysis of anti - rotation mechanism with thrust ball - bearing is conducted, which is commonly employed in the scroll compressor of automotive air - conditioning system, and its wear during later stage ' s operation is also analysed quantitatively. it is pointed out that, in the case of having radial flexible mechanism, the wear between anti - rotation mechanism and scroll wrap exhibits synchronism and self - compensation. otherwise slight rotation would take place with that mechanism and orbiting scroll, resulting in asymmetric pressure within compression chamber pair and radial leakage

    針對汽車空調渦旋壓縮機中最常見的防自轉機構滾珠防自轉止推軸承，進行了幾何、受力及壽命分析，並對其後期磨損加以定性的理論分析.指出在具有徑向柔性機構的情況下，該防自轉機構和渦旋盤齒的磨損具有同步性和自動補償性.在無徑向柔性機構的情況下，防自轉機構和渦旋盤會產生微自轉，可導致壓縮腔對壓力不對稱和產生徑向泄漏
  17. Abstract : a modified droplets trajectories analysis model is established for the efficiency estimation of liquid - liquid hydrocyclones based on the single vortex field theory

    文摘:在單渦流場理論基礎上建立了一種改進的油粒軌跡模型，用以預測油水旋流器粒級分離效率。
  18. Mesoscopic superconductor ; g - l theory ; vortex state ; order parameter

    介觀超導體ginzburg - landau理論渦旋序參量
  19. Compared with the scroll compressor of traditional circle profile, it has the advantages of high efficiency, little leakage and high quotient of volume using. the research work is given as follows. a whole volume theory for the scroll chamber working process of new type combination profile compressor is set up

    論文的研究工作主要表現在以下幾個方面:論文對新型分段組合曲線渦旋壓縮機的容積理論進行了論述，系統地研究了組合曲線渦旋壓縮機各個壓縮腔容積的求解方法。
  20. The assemble criterion of sensor for design was advanced. at last, a method of increasing signal - to - noise ratio and reducing flux lower limit value of vortex flowmeter was advanced. the experiment program was advanced

    針對旋進旋渦流量計的理論分析所存在的問題，論文應用fluent軟體對該流量計進行了直接流場模擬研究，分析模擬的結果和誤差，並提出了改善模擬精度的途徑。
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