無旋轉流動 的英文怎麼說
中文拼音 [wúxuánzhuǎnliúdòng]
無旋轉流動
英文
flow,irrotational- 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
- 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
-
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。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。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。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。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。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。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。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。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。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。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。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。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。Low viscous drag and high - speed capability : the low viscous drag of the magnetic fluid, and non - contacting seal configuration of the magnetic fluid feed through assure its extremely smooth operation and its high - speed capabilities
低阻尼和高速旋轉能力:磁性流體極低的粘滯阻力和磁性流體進行給裝置無需接觸密封圈的結構,決定了它的穩定操作和高速轉動。At whatever pace the pirouette ( half - pirouette ) is executed, the horse, slightly bent in the direction in which he is turning, should, remaining ' on the bit ' with a light contact, turn smoothly round, maintaining the exact cadence and sequence of footfalls of that pace
無論用哪種步伐做定後肢?旋(定後肢半?旋) ,馬體都應當向著它轉動的方向稍稍彎曲,保持 '受銜 '和輕微的接觸,流暢地旋轉,保持正確的節奏和該種步伐運步的順序。分享友人