無旋轉流 的英文怎麼說

中文拼音 [wúxuánzhuǎnliú]
無旋轉流 英文
irrotational flow
  • 無 : 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 : 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...
  • 轉 : 轉構詞成分。
  • 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...
  • 旋轉 : revolve; gyrate; rotate; spin ; revolution; revolvement; rotation; circumgyration; circulation
  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型流能粉碎機高速旋轉的動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無定形化，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，無論冬季還是夏季，都存在一個順時針的渦旋運動，夏季，對應于渤海中部的高溫低密中心，其流場主體部分呈順時渤海冬夏季環流特徵及變異的初步研究針向旋轉，這主要是密度環流占優的結果，而冬季的順時針向的旋轉，主要是海面風應力旋度影響的結果。
  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

    作為超流體， bec中的粒子流是無旋的，這使得它對旋轉的響應異于普通流體的整體轉動而產生渦旋或渦旋晶格。
  4. The shortage of this kind of system is that the mechanical frictional waste and noises are n ' t neglectable. this results in the low efficiency and the short life of the equipment so that it ca n ' t guarantee the reliability of the system for long term running

    過去，物流傳輸系統由旋轉電機驅動，其缺點是機械磨損和噪音較大，這使得設備的效率不高，使用年限不長，無法保證系統長期運行的可靠性。
  5. Exchange non - clearane metal oxidate matter arrester is suitabe for the voltage protection of transformer switch cupboard, vacuum switch etc

    交流無間隙金屬氧化物避雷器，適用於變壓器、配電屏、開關櫃、真空開關、輸電線路、電力計量箱、並聯補償電容器、旋轉電機等電壓保護。
  6. 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流動換熱影響不大；隨旋轉雷諾數和無量綱質量流量增加，轉盤盤面的換熱效果增強。
  7. 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、旋轉雷諾數、無量綱質量流量和軸向垂直預旋進氣等對盤腔內流動和換熱的影響，整理出轉-靜盤腔內轉盤平均努謝爾數與旋轉雷諾數無量綱質量流量之間的準則關聯式。
  8. 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

    與無旋轉情況對比表明，旋轉對彈丸側噴流以及底部流動均有影響，高速旋轉導致側噴射流向旋轉來流方向傾斜，並減弱其對彈底流動的引射。
  9. Without spinning or attack angle, the three dimensional interaction flowfield over projectile with lateral jets is numerically simulated successfully, and unified interaction flowfield with lateral jets and base bleed is also calculated

    在無旋轉、無攻角條件下完成了彈丸側噴三維干擾湍流流場數值模擬，並完成了彈丸底噴流-側噴流共同干擾流場的一體化計算。
  10. A mathematic model of the motor is builded and emulated through matlab. the low - speed and constant - torque, high - speed and constant - power state is analyzed and researched, also the software approach of simulation to the driver has been done, a digital signal processor tms320lf2407 is developed successfully to control the perm square - wave bldcm driving airscrew of solar powered unmanned engine. it is useful to the further study

    在matlab下建立了電機的數學模型，通過計算機模擬，驗證了數學模型的正確性，同時在理論上對低速恆轉矩高速恆功率運行進行了分析與研究，提出了一種用模糊控制的方法實現恆功率控制，並對驅動器進行了系統模擬，成功的研製了以數字信號處理控制器tms320lf2407為控制核心的驅動器，控制無刷直流電動機驅動太陽能無人飛機的螺旋槳，為後面繼續研究工作提供了參考。
  11. 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流動和換熱特性的研究成果的基礎上，以旋轉正交曲線坐標系統下的多參數旋轉螺旋管道中的對流傳熱為物理模型，通過攝動方法和有限體積法，首次對各種截面（圓截面、橢圓截面、環形截面、矩形截面）旋轉曲線管道內充分發展流動的流動結構和傳熱特性（包括耦合對流傳熱特性）以及旋轉曲線管道開口段發展流動的流動結構和換熱特性進行了系統的數值模擬和理論分析，詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、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。
  12. 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旋轉，其內部流動無法用試驗的方法測出。
  13. Our factory increase a set of intensifier with non - grade - adjustable rating speed to form the intensive air drying, the wet material mixed with hot air fully by screw feeder in the intensifier and material surface is crashed into fine granules and moving to the outlet as well as drying, under rapid rotating hitting and pushing. in the long run, the materials get a further even drying in the dryer pulled by the wind force and those wet and weighty granules the wind force can not pull continue to be crashed, dried until they are pulled by the wind force into the dryer

    我廠強化型氣流乾燥是在基本型上增加一套轉速可以無級調節的強化器組成，濕物料通過螺旋加料器進入強化器后和熱氣流充分混合，在飛速旋轉的擊刀擊碎和推進下，物料被破碎成細顆粒，在乾燥同時向出口移動，最後在風力吸引下進入乾燥管，進一步均勻乾燥，風力無法吸引的濕重顆粒繼續被擊碎、乾燥、直至能被風吸起進入乾燥管。
  14. 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，對旋轉流膜器的徑向環隙和切向環隙處的流場進行了實測，初步探討了其流場特性，發現在無滲透流和有滲透流的情況下其流場並不相同，並與旋轉動態膜的分離特性進行了比較。
  15. Since high tc superconducting ( hts ) tapes for practical applications became commercially available over the past few years, the development of superconducting power technology has achieved significant progress. it is foreseen that superconducting technology will be the prevailing high technology of the 21st century, and that superconducting power equipment will be commercialized soon, enjoying a large - scale worldwide market before 2010. china ' s economy is expanding fast, and the demand for electricity is increasing quickly. at the same time, higher electricity quality will be required. traditional power technology will no longer be able to satisfy future requirements, so superconducting power technology would be the best solution, leading a revolution in the power industry. the history, present status and prospects of superconducting power technology as well as the economic benefits and basic physics problems involved are reviewed

    人們認為，超導體在電力方面出現大規模應用的時間距離我們還非常遙遠.然而，隨著最近幾年來實用高溫超導材料的研製取得重大的進展，高溫超導電力技術的應用已經成為現實，預期將在2010年左右出現大規模的應用，並將帶來電力工業的革命.因此，下一個10年將是國際超導技術競爭最關鍵的10年.我國的經濟發展很快，電能需求量增加十分迅速，對電能質量的要求也越來越高.常規電力技術已經無法滿足我國電力發展的需要，超導電力技術是實現我國電力發展目標的必由之路.文章有代表性地介紹了超導電纜、超導限流器、超導磁儲能系統、超導變壓器和超導旋轉電機等的基本工作原理及研究發展歷史，並著重介紹高溫超導電力應用研究的現狀、應用前景、經濟可行性及基本物理問題
  16. High - pressure hose 10 m, pivoting stainless steel spray lance ( 850 mm ), triple nozzle 0 / 25 / 40, easy - press trigger gun woth soft grip insert

    帶軟護套引發槍， 10米高壓管， 850毫米可旋轉不銹鋼噴槍桿， 7升清潔劑箱，無級可調水壓和水流量控制，壓力控制開關，凱馳專利高壓管防纏繞設計。
  17. The first crowd can enjoy a full day of entertainment including encounters with such famous disney characters as mickey mouse, winnie the pooh and cinderella, as well as adventures on such classic disney attractions as jungle river cruise, mad hatter tea cups and space mountain

    第一批賓客可與著名迪士尼朋友（如米奇、米妮、小熊維尼和灰姑娘等）作近距離接觸，也可在適合任何年齡人士遊玩的游樂設施經歷各種旅程，如森林河流之旅、瘋帽子旋轉杯和飛越太空山，享受無窮樂趣。
  18. The rotational converter could not satisfy with the requirement anymore. compared with the rotational converter, asi is better in the efficiency, power density, reliability and electrical quality

    與傳統的旋轉變流機相比， asi具有效率高、功率密度高、無噪聲、可靠性高、壽命長、供電品質好、維護方便等優點。
  19. So the vsr can operate in any power factor. internal model control ( imc ) design concept has been introduced to the unbalanced control system of vsr. with imc design concept, the unbalanced control system not only achieve zero steady state error of sinusoidal ac current, but also obtains strong robustness of the control system

    由於在abc和靜止坐標系中，採用比例和比例積分調節器無法實現對時變正弦波信號的無差跟蹤控制，而在dq坐標系中需要用正、反兩套旋轉坐標系構成四個電流內環才能實現對正、負序dq電流的無差跟蹤。
  20. This results in the low efficiency and the short life of the equipment. and for that, it ca n ' t guarantee the reliability of the system for long term running

    過去，由旋轉電機驅動的物流傳輸系統，機械磨損和噪音較大，設備的效率不高，使用年限不長，無法保證系統長期運行的可靠性。
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