無旋流動 的英文怎麼說

中文拼音 [xuánliúdòng]
無旋流動 英文
acyclic motion
  • : 無Ⅰ動詞(沒有) not have; there is not; be without Ⅱ名詞1 (沒有) nothing; nil 2 (姓氏) a surn...
  • : 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...
  • : 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...
  • 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. Based on the principle of mechano - chemistry, the strong shock and crashing mechanical force produced by ls - 250 pulverizer can act to the surface of superfine carbon and white carbon particles during the process. the result of the experiment indicated that distortion and amorphism change occur to the surface crystal lattice of carbon particles, and the phenomena are prick up as the action time of mechano - chemical force

    依據機械化學原理利用ls一250型能粉碎機高速轉的齒工作過程中產生的強烈沖擊、碰撞機械力,使其作用於超細石墨及白碳黑顆粒表面,檢測表明,石墨粒子表面晶格發生畸變及定形化,且隨著機械力作用時間的延長而加劇。
  2. From the numerical modeling results, it can be found that there is a clockwise gyre in the middle part of bohai sea, whether in wintertime or in summertime. in summer, the clockwise gyre corresponding to the high - temperature and low - density center in the middle bohai sea is mainly dominated by the density circulation. and in winter, it is mainly dominated by the wind stress curl

    通過數值模擬結果發現,在渤海中部,論冬季還是夏季,都存在一個順時針的渦,夏季,對應于渤海中部的高溫低密中心,其場主體部分呈順時渤海冬夏季環特徵及變異的初步研究針向轉,這主要是密度環占優的結果,而冬季的順時針向的轉,主要是海面風應力度影響的結果。
  3. As being superfluid, particle current in bec is irrotational and this makes that its respondence to rotation is different from rotating as a whole for usual fluid and is to form a vortex or vortex lattice

    作為超體, bec中的粒子的,這使得它對轉的響應異于普通體的整體轉而產生渦或渦晶格。
  4. The results indicate that : the high positioned air inflow do good to heat transfer in rotator disk ; different size of radial outflow have small effects on flow and heat transfer ; the heat transfer near rotating disk increases as rotating reynold number increases or non - dimensional mass flow rate increases

    結果表明,高位軸向進氣對轉盤換熱有利;不同的徑向出口大小對盤腔內的換熱影響不大;隨轉雷諾數和量綱質量量增加,轉盤盤面的換熱效果增強。
  5. By comparing the results with relative experiment data, it is shown that rng k - is more exactly than the other turbulent model. 2 ) the influences of axial inflow position, radial outflow size, rotating reynold number, non - dimensional mass flowrate and axial inflow angle on the flow and heat transfer characteristics were numerically investigated for a typical rotator - stator cavity with axial inflow, radial inflow and radial outflow. the correlations for average nusselt number vs rotating reynold number or non - dimensional mass flowrate were established

    ( 2 )針對一典型的徑向、軸向進氣,徑向出氣的轉-靜盤腔結構,系統研究軸向進氣位置、徑向出口大小、轉雷諾數、量綱質量量和軸向垂直預進氣等對盤腔內和換熱的影響,整理出轉-靜盤腔內轉盤平均努謝爾數與轉雷諾數量綱質量量之間的準則關聯式。
  6. The shm ( single hole microblowing ) as a new perturbation active control technique has been applied to the slender body with different model noses at zero sideslip and high angle of attack

    摘要在亞臨界范圍內,對具有不同頭部形狀的尖拱形細長成體在側滑大迎角下進行單孔位微吹氣擾控制實驗。
  7. The lateral jets are caused to incline to the direction of rotating free flow and to weaken the effect upon base flow. furthermore, the spinning effect upon lateral jet is much stronger than that upon base bleed

    轉情況對比表明,轉對彈丸側噴以及底部均有影響,高速轉導致側噴射轉來方向傾斜,並減弱其對彈底的引射。
  8. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和分析了一個世紀以來有關曲線管道和換熱特性的研究成果的基礎上,以轉正交曲線坐標系統下的多參數轉螺管道中的對傳熱為物理模型,通過攝方法和有限體積法,首次對各種截面(圓截面、橢圓截面、環形截面、矩形截面)轉曲線管道內充分發展結構和傳熱特性(包括耦合對傳熱特性)以及轉曲線管道開口段發展結構和換熱特性進行了系統的數值模擬和理論分析,詳細討論了各種量綱參數對管道內軸向速度分佈、二次結構、溫度分佈、壁面摩擦力、摩擦系數比以及管道nusselt數的影響,獲得了若干創新性成果。
  9. Y42 series worm feeder fit for feeding granule materials which are easy to flow, have no or low viscidity, no or low milling performance, not be worried about crashing but need airproofing conveyance

    Y42系列螺給料機適應于易粘結性或粘結性小,磨琢性或磨琢性較微,不怕破碎又要求密封輸送的粉粒狀物料的給料。
  10. Cavitation is liable to appear in the first elbow. the angle of flare is always less than 5o

    由於轉子腔是與葉輪一起高速轉,其內部法用試驗的方法測出。
  11. Fisrt, the flow field of radial and tangential annulus with rotating flow are made by using an advanced piv system, its flow field characteristics are obtained preliminary probed. it is found that the flow field characteristics are not the same between unpermeateing flow and have permeateing flow, otherwise the flow field is compared between rotating flow and dynamic tubular membrane

    首先通過採用先進的piv測試系統,對膜器的徑向環隙和切向環隙處的場進行了實測,初步探討了其場特性,發現在滲透和有滲透的情況下其場並不相同,並與態膜的分離特性進行了比較。
  12. Presently most of the theoretical method to predict the propeller - induced hull pressure fluctuation is based on the calculation method in which the pressure is induced by pulsating source in infinite flow. the calculation method is adopted and the corresponded computer program is complied. the propeller - induced hull pressure fluctuation due to blade thickness, blade load, cavity thickness and the change of the cavity volume can be analyzed respectively in the computer program

    目前,螺槳誘導的船體表面脈壓力的理論預報方法,大多是以場中點脈源誘導的周圍場的脈壓力的計算方法為基礎的,本文採用該方法編制了計算程序,可以分別考慮槳葉厚度、槳葉負荷、槳葉上空泡厚度及其體積變化在船體表面指定位置上產生的脈壓力。
  13. The flowing melody, lively mood, youthful passion, and progressive spirit of this piece leave us with an endless aftertaste

    樂曲那律,活潑的情緒,青春的熱情,向上的精神,讓人回味窮。
  14. Subsequently, the waves induced forces and their driven effects on currents are studied in detail. in the discussion of the effects of currents on waves, according to the wave radiation theory and the law of wave action conservation, the equivalence of none vorticity condition of the vector of wave number in constant wave field and fermat theory is testified. the dynamic and kinematics effects of background currents on waves are introduced concisely

    對浪的作用討論中,依據波的射線理論和由變分原理導出的波作用量守恆定律,闡明了穩定波場波數矢量的條件與費馬原理的等價性,扼要討論了背景場影響海浪的運學效應和力學效應,首次指出水位(包括天文潮位與風暴潮位)變化對海浪成長與消衰的影響,為浪潮聯合數值模式的發展提供必要的理論依據。
  15. ( 4 ) the conditions of no particle deposition or making deposited particles move along the membrane surface were determined with the help of the analysis of forces acting on particles, from which, it may be considered that in the helical flow these conditions would be easier to reach than in the axial flow. when these conditions be satisfied in the whole region, there would be no or only a dynamic cake on the membrane surface. in addition, to ensure a long time steady microfiltration, sometimes over - high flux should be avoided

    ( 4 )通過顆粒受力分析,推導出外方式下顆粒不沉積膜面的條件和已沉積顆粒沿膜面滾的條件,認為從減小顆粒的沉積到促使已沉積顆粒沿膜面的滾等方面,外方式相對外軸向較容易實現,當膜面上所有點上都滿足上述條件時,在膜面上將濾餅或形成一阻力較小的態濾餅層。
  16. The main contributions of this work are included as follows : ( 1 ) numerical tests of the outside axial and helical flows were carried out respectively. the velocities and pressure profiles and shear distributions have been obtained and they were compared due to the different flow field. it is concluded that when no particles are deposited, the helical flow would lower the pressure on membrane surface to some little extent but not markedly

    ( 1 )對外軸向和外切向兩種方式下膜器環隙內場進行變參數數值實驗,作出場及切應力的分佈規律,分析顆粒沉積時層條件下結構對過濾通量的影響,認為:採用外的方式將對膜面壓力有削弱作用,但並不明顯。
  17. If applied experiential formula mechanically to calculate the dynamic moment of the tri - eccentric butterfly vavle, its errors for the results would be larger. the paper, by virtue of the postulate of flow with fixed constant, eddiless of ideal liquid, calculated laplace equation by finite difference method in rectangular coordinates, gained pressure distribution on the butterfly disc section, thereby figured out its dynamic moment under each opening angle and the method was feasible for calculating dynamic moment of symmetry or not, designed the program and described the curve of dynamic moment. finally, the paper infered their laws

    採用經驗公式來計算三偏心蝶閥的水力矩,誤差比較大,本文根據三偏心蝶閥的結構特點,利用理想體的定常、無旋流動的假定,用有限差分法在直角坐標系中求解拉普拉斯方程,得到蝶板截面上的壓力分佈,從而計算出蝶板在各個開度下的水力矩,設計出了求解的程序,給出了程序運行的結果並進行了數據處理從而得到了水力矩曲線,總結了它的變化規律。
  18. A program is produced to simulate the particle ' s tracks in swirling air flow in a horizontal straight pipe and find that the tendency of particle migration towards pipe center is not affected by initial position of a particle and all particles are sent into pipe by the axial motion of the swirling flow

    編程計算顆粒在管中螺的運軌跡,數值結果表明,論顆粒初始位置如何,所有顆粒都被推向軸心位置,並被螺的軸向運推入管中。
  19. Then a laplace equation can be deduced and through computation, the blade profile coordinates and geometry of the cascade result from an analytical solution. next, an optimization method, taking the geometry parameters of the unclosed profile as its objective functions, is used to obtain an optimized blade profile. and last, the optimized profile is refined with round arcs added in the leading and trailing edges

    本文採用的勢、函數解析法法中,將方程用新的類方程替代,這樣在計算域上得出速度場的解析關系式,計算得出初始葉型;然後以此初始葉型的幾何參數,例如前尾緣的封閉程度和葉型彎角等為目標函數,通過優化程序對初始速度進行自調節直到目標函數值最小為止。
  20. First, the direction of fringe variation in the interference images is different with different intake duct, but in the same intake duct, the direction is the same. second, different intake duct has different rules to flow variation. third, the infinite width of interference fringe is visual, high precision, and easy to qualitative analysis, but the finite width of interference fringe is easy to judge the direction of fringe variation and to further detailed analysis

    實驗結果表明,氣道不同,條紋的變化方向不同,但同一氣道在不同的量下,條紋的變化方向是一致的;不同形狀的氣道對量的敏感程度不同,對氣體的擴散作用影響也有很大的差異;用限寬條紋法得到的圖像直觀,靈敏度大,易於做定性的分析對比,而有限寬條紋法可以進行體在運方向的判別,更有利於詳細的分析研究。
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