流動不穩定性 的英文怎麼說

中文拼音 [liúdòngwěndìngxìng]
流動不穩定性 英文
flow instability
  • : 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...
  • : 名詞[書面語] (剁物所用的木墩) a block of wood
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • 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
  • 穩定性 : antiwhip
  • 穩定 : 1 (使穩定) stabilize; steady 2 (穩固安定) stable; steady 3 (物質的性能不易改變的作用) stabi...
  1. Gross flow instabilities are damped and remain small.

    總體受到阻抑並且很小。
  2. The thesis built the relation between containing water and the properties of trail dam ' s soil by geomechanical properties of trail dam ' s soil ; analysed the seep rule of water in the trail dam ' s field and the change of soakage line. the thesis applied the limited element to analyze the trail dam of baogang by the engineering item in production. it calculates the dynamic and static response about the dam using the numerical simulation method

    本文通過大量的尾礦土物理力學質試驗資料,建立了含水量與尾礦土質之間關系曲線;分析了水在尾礦壩區的滲規律和同標高時浸潤線的變化情況,為分析尾礦壩的提供依據;結合生產上的工程項目,從包鋼尾礦壩的研究入手,應用有限元法,通過數值模擬分析了水對尾礦壩的靜力、影響。
  3. In this article, physical equations and relative three - dimensional finite - difference formulae in cylindrical and spherical geometries were derived and two - and three - dimensional code in cylindrical and spherical geometries for direct - drive by laser was made, based on the lared - s code in planar geometry. it consisted of the processes such as the inverse bremsstrahlung absorption, electic heat conduction and fluid dynamics

    本論文在lared - s程序平面版本基礎上,推導了三維柱和球幾何中激光驅的物理方程和相應的差分方程,編制了二維和三維柱和球幾何中激光驅的lared - s程序版本,主要物理過程包括:激光逆軔致吸收、電子熱傳導和體運
  4. The measurement and analysis of damping in relief - valve dynamic instability

    能中的阻尼測試及分析
  5. Using the two - stream fluid model, the linear dispersion relation is derived assuming a two - dimensional spatial geometry. two cases are considered, one is that the 2d spatial geometry is defined by the plane containing the two counterstreaming electron populations and the perturbation wave vector ( referred as the xy plane ), and the other is that the geometry is defined by the plane being vertical to the two counterstreaming electron populations ( referred as the yz plane )

    對高能束和電子迴構成的雙系統,建立冷等離子體體模型,採用簡正模分析方法,分別考慮擾波矢在平行於電傳播方向的平面(記為xy平面)上和在垂直於電傳播方向的平面(記為yz平面)上這兩種情況,推導了的色散關系。
  6. In this dissertation, the experimental study of rolling condition on two - phase flow instabilities of the forced - single - tube circulation system was carried out. furthermore, based on the d - partition method and the hypothesis of drift flow model, given some conservative equation, using the perturbation method the response of the pressure drop of the tube to the inlet flow rate perturbation was analyzed both in rolling condition and in normal upright position

    本文主要通過實驗對搖擺條件對單管強迫循環中汽液兩相流動不穩定性的影響,同時在d分區法的前提下,在兩相區基於漂移模型,一的守恆條件下,在搖擺和搖擺工況中用線小擾法對實驗段的壓降對入口速的擾的響應進行了分析。
  7. The growth rate of inflectional instability and viscous instability also saturate similarly to the primary and nonlinearly generated disturbances. the main effect of inflectional instability mode in the final breakdown seems to interact with the disturbances having developed and thus widens the frequency spectrum to turbulent state

    屬于拐點的高頻二次模態對最後轉捩的影響主要體現在與其它擾的相互作用,並導致出現紊狀態寬帶頻譜。
  8. Abstract : a continuity wave model is put forward for the dispersion processof liquid - liquid two - phase system, by coupling mass and momentum conservation equations of two - fluid model. the conditions that result in a dispersion choke and the weak instability of a dispersion process are derived from the model. the phenomena of catastrophic inversion and transitional inversion are explained. the effect of drop size distribution on the maximum volume concentration of a emulsion is predicted using the model. according to the theory herein, emulsion inversion is the regime transition of liquid - liquid system due to the instablity of a dispersion process. the effect of drop size distribution on the maximum volume concentration of a liquid - liquid emulsion only occurs in a certain range of weber numbers

    文摘:以雙體模型為基礎,通過質量守恆方程和量守恆方程的耦合,提出了液-液兩相系中彌散傳質的連續波模型.由該模型得到彌散傳質過程阻塞和彌散傳質過程弱產生的條件,計算了液滴尺寸及其分佈對乳化液極大堆砌分數的影響,解釋了劇變型乳化逆變和漸變型乳化逆變現象.研究結果表明,乳化逆變是由於彌散傳質過程的而引起的懸浮體型態的改變,隨液滴尺寸多分散的增大,極大堆砌分數增大;隨液滴平均尺寸的增大,多分散對極大堆砌分數的影響減弱;當韋伯數足夠大時,液滴尺寸及其分佈對乳化液極大堆砌分數無影響
  9. For initial rectangular and hexagonal disturbances on the interface, nonlinear fluid mechanics governing equations are solved respectively with the perturbation method, and 2nd - order approximate solutions are obtained. then effects of nonlinearity on r - t instability are discussed, and its significance is manifested

    應用攝方法求解非線體力學方程組,分別針對矩形和等六邊形的界面初始擾,得到了擾發展的二階近似解,並分析了非線對r - t發展的影響,指出非線在其中的重要意義。
  10. Logistics enterprise ' s six dimensionality of yielding ability and yielding ability ' s self - organization equation of motion were constituted. character of yielding ability ' s order parameter was analysed. at last of the chapter, evolvement and trend of logistics enterprise system ' s yielding ability were explored through analysis of yielding ability ' s potential function and non equilibrium phase transition

    構建了企業的六大業務收入能力維度,建立物企業獲利能力的自組織運方程,對物企業系統整體結構和獲利能力序參量特徵進行了分析,最後從對物企業獲利能力的「勢」分析和非平衡相變現象的描述中探索物企業系統的演變和走勢。
  11. In the model, johnson - cook strength is combined with gurson - tvergaard - needleman yield criteria, and random distribution of microvoids is used. results show that quasi - periodic axial fracture will appear, which obstructs the mirror current of the armature

    在給微孔洞的初始擾時,計算結果解釋了鋁電樞表面將要形成的,它導致了電樞外表面出現周期的軸向裂紋,阻礙了鏡像電,使fcg損耗增加。
  12. Finally, compared with the 2d result, the synthetic jet that 3d numerical simulated has a definite direction. the 3d result, however, has a much smaller fluctuation owing to the span - wise instability which created a breakup of coherent vertical structure into smaller scales, it therefore compares more favorably with the measured data in tests

    三、三維模擬結果顯示合成射的方向極佳,與二維模擬相比較,三維數值模擬的速度波較二維模擬要小,旋渦的相干結構衰弱,這是因為三維模擬考慮了的橫向,這更加接近實際情況。
  13. This thesis researches on the stability of fibre suspensions applying theoretical, numerical and experimental methods. first the linear stability analysis is performed to fibre suspensions utilizing flow stability, slender - body and orientation tensor theories. the governing equations of channel and pipe suspensions of different stability handling modes and tensor closure approximations are derived

    首先綜合應用理論、細長體理論以及纖維方向張量工具,對纖維懸浮進行線分析,推導槽和管方程,並對槽導出在同的分析模式以及同的方向張量封閉格式下的多種形式方程。
  14. To study the aircraft - engine stability assessing technology about total - press distortion, four different structure insert - boards and testing schemes are designed, based on the technology of russian insert - board distortion and assessing compressor stability of english and usa. the low speed compressor ( lsc ) at college of energy and power in nuaa is used to carry out the all insert - board distortion experiments studies

    為了能夠更清楚地認識俄羅斯關于總壓畸變下的航空發的技術,本文在了解俄羅斯插板畸變試驗技術和英美等國家的技術的基礎上,設計了4塊同結構形式的插板畸變擾器裝置及試驗測量方案,利用南京航空航天大學能源與力學院的低速大尺寸軸壓氣機( lsc )試驗器,完成了各插板的畸變試驗。
  15. The two - dimensional axisymmetric subsonic - transonic - supersonic flow in an experimental arcjet thruster is simulated numerically using flux vector splitting method. the profiles of density, velocity, temperature, pressure and mach number can be obtained by the computation. the computation grid and some computed results are given here. the test equipment such as power supply system, ignition system, propellant supply system, arcjet thruster, thrust measuring device and vacuum system are introduced briefly. some working phenomena of the arcjet are observed and discussed. three different kinds of instability appeared in the process of the experiments. except some important parameters are measured, it is found that the operating stability of argon is better than that of nitrogen

    對一實驗電弧加熱式發機二維軸對稱亞跨超音速進行了數值模擬,所採用的方法是矢通量分裂演算法.通過計算可以得出密度、速度、溫度、壓力和馬赫數的分佈.給出了計算所使用的網格和一些計算結果.簡要介紹了實驗所使用的設備,如電源系統、點火系統、推進劑供給系統、電弧加熱式發機、推力測量裝置和真空系統.對所觀察到的一些工作現象進行了討論.有三種同的出現于實驗過程.除了所測量的一些重要參數,通過實驗發現氬比氮工作更
  16. Experiments with controlled excitation of primary and secondary instabilities have been performed to study the process leading to the final breakdown of laminar swept wing flow. two types of high frequency secondary instabilities are identified

    在人工激勵激發基頻與常擾條件下,施加高頻人工激勵,研究附面層在高頻二次的發生與增長過程。
  17. Based on such starting - point, the dissertation makes a systemic analysis on the new features of international short - term capital movement against the background of globalization of finance, clearly points out that the intrinsic instability of the short - term capital movement could escalate into abnormal system risk, which could result in financial crises if combined with the intrinsic vulnerability of financial system of the emerging markets

    本文以此為出發點,系統分析了金融全球化背景下國際短期資本發生的一系列新變化,鮮明地指出國際短期資本在金融全球化背景下其內在的可能上升為非正常的系統風險,在一的條件下同新興市場國家經濟金融體系的內在脆弱結合,必然引發金融危機。
  18. The key point in the research of the instability is how to capture exactly the movement of the contact interface

    在界面的數值研究中,最核心的當是運界面的精確描述,正是由於這?需要使得虛擬界面捕捉( ghostfluidmethod )方法得以充分發展。
  19. The initial instability development has been investigated for different modes of artificial disturbances and oncoming wind speeds. experimental studies in natural conditions are performed, where only artificial primary unsteady and steady disturbances are introduced

    在人工施加非常基頻與常擾的自然條件下,對橫控制的高頻二次進行實驗研究。
  20. Therefore, in this thesis, the magneto - rheological damper ( mrfd ) was studied which is of simple structure, high reliability and self adaption

    為此,本文研究了結構簡單、可靠高並具有自適應能力的磁變減擺器(阻尼器) ,用於控制直升機旋翼/機體耦合
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