繞流研究 的英文怎麼說

中文拼音 [ràoliúyánjiū]
繞流研究 英文
airflow investigation
  • 繞 : 繞名詞1. [書面語] （彎曲） bend2. （姓氏） a surname
  • 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...
  • 研 : 研同 「硯」
  • 究 : Ⅰ動詞（仔細推求; 追查） study carefully; go into; investigate Ⅱ副詞[書面語] （到底; 究竟） actually; really; after all
  • 研究 : 1. （探求） study; research 2. （考慮或商討） consider; discuss; deliberate
  1. Numerical analysis of low - reynolds - number flow over airfoil

    繞翼型低雷諾數流動的數值分析研究
  2. In this paper a kind of cardio - cerebral arterial bifurcation vessel hemodynamic characteristics are studied with the boundary element method, and the blood flowing velocity vector distributions have been calculated. in addition, the flow field distribution and the pressure on the particle surface are also calculated, when there is flow - round particle at the place of bifurcation, the move tendency of the particle is judged, the possible reasons of causing the atherosclerosis, thrombus, angioma are analysed

    本文用邊界元方法研究了一類典型心腦動脈分支血管中血液流動的流體動力特性，計算了分支血管血液流動的速度矢量分佈，同時計算了分支附近有多個顆粒狀繞流物時血液的流場分佈，及顆粒物所受壓力狀況，給出了顆粒物的運動趨勢，分析了引起粥樣斑塊病變、血瘤、血栓的可能原因
  3. Abstract : the formation technologies, the structure and properties of tcs microporous man - made yarn - kind new polyester fibre which was spinned in tcs with some micrometallic - oxide have been studied. the results indicate that the rheological behaviour and spinnability of commixed polyester melt, and the structure and properties of the fibre, are relative to the spinning temperature, melt pressure, microporpus size for spinning, formation conditions, thermo - vascellum temperature, thermo - vascellum position and rolling speed, besides the viscosity of polyester cuts, coacervation particles, adding amount and size of micrometallic - oxide

    研究表明， tcs微孔化共混聚酯熔體在成型加工中的流變行為和可紡性，及其纖維的結構性能除了與原料切片的特性粘度、凝聚粒子和共混聚酯中超細金屬氧化物微粒的添加量、粒徑等因素的影響有關外，還與紡絲溫度、紡絲熔體壓力、噴絲板微孔尺寸、冷卻成形條件、熱管溫度、熱管安裝位置以及卷繞速度等因素的影響密切有關。
  4. The thesis is devoted to exploiting a permanent magnet synchronous machine ( pmsm ) for the parallel hybrid electric vehicle ( phev ). three parts are included as follows : at first, in the electromotor state, the current control strategies of pmsm are determined. giving the elementary method for solving the contradiction between enhancing the pmsm ' s flux - weakening capability in the electromotor state and reducing the pmsm ' s connatural adjustment ratio in the dynamotor state

    本課題的研究工作主要圍繞開發一臺並聯式混合動力電動汽車（ phev ）用永磁同步電機（ pmsm ）展開，所作的工作主要包括以下幾個部分：首先，確立了phev用pmsm電動機運行狀態時的電流控制策略，針對pmsm在電動機運行狀態時提高弱磁擴速能力和在發電機運行狀態時減小固有電壓調整率的相互矛盾，提出了初步的解決方法。
  5. The 3 - d complex flowfield of rocket - missile with wings and empennages induced by the interaction between by base jet and the flow around the body has been numerically simulated. the main work is as follows : first, the gordon - mcbride program was developed to make it more friendly and efficient to the users

    本文對帶彈翼/尾翼彈箭的三維噴流繞流復雜流場進行了數值模擬，其主要研究內容有：首先，對gordon - mcbride火箭程序作了改進，使改進后的軟體具有了非常友好的人機交互界面。
  6. Fluent was used to simulate the flowfield of 3 - d complex flowfield of rocket - missile with wings and empennages induced by the interaction by base jet and the flow around the body. in order to study the complex flow problem above, numerical simulations were performed under the following kinds of flow conditions : ( l ) flow of rocket - missile with wings disturbed by supersonic upstream flow. ( 2 ) flow of rocket - missile with wings disturbed by supersonic upstream flow with attack angle

    為了研究以上復雜流場考慮了如下幾種情況： （ 1 ）帶彈翼彈箭超音速無攻角繞流； （ 2 ）帶彈翼彈箭超音速有攻角繞流； （ 3 ）帶彈翼彈箭亞音速有攻角繞流； （ 4 ）帶彈翼彈箭超音速有攻角繞流噴流干擾； （ 5 ）帶彈翼尾翼彈箭超音速有攻角繞流； （ 6 ）帶彈翼尾翼彈箭超音速有攻角繞流噴流干擾。
  7. We do research on the transitions between states of network protocol, the protocol misusage detection model based on markov chain, the framework of the ids technology and protocol anormity after we discuss the current technology. the main research contents of this paper include : research on transitions between states of network protocol and session process, protocol misuage and the anomaly detection model based on markov chain, the research of intrusion detection framework, more accurately model based on the characteristic of the network traffic and so on

    在分析了現有入侵檢測系統的基礎上，本文圍繞典型網路協議狀態轉換、基於馬爾可夫鏈的檢測模型、入侵檢測技術框架、以及協議異常等幾個方面展開深入研究，主要工作內容包括:典型網路協議轉換狀態的分析和會話過程的研究;基於馬爾可夫鏈的網路異常檢測模型;分散式的檢測架構;針對網路流量特徵而提出了精確的檢測模型等。
  8. Aiming at the present design fashion of domestic bigger tunnel, simulating a bigger tunnel with catholic characteristic, confirming the parameters of traffic inducement and controlling ( tunnel length, traffic, the selection and location of detection equipments, amount of roadway indicative lamp, etc ) on the base of the analog tunnel, discussing the controlling and revulsive mode of tunnel. briefly discussing the constitution of tunnel surveillance and controlling system and the executive means of traffic controlling and inducement subsystem and network structure of tunnel controlling system. finally discussing the conformation of emulational tunnel ' s database and detailed executive program by programming the computer emulation of controlling induce subsystem

    論文圍繞「交通誘導與控制」這一中心展開，探討長大隧道交通誘導與控制設備及其控制誘導方式；結合國內外對交通流模型研究的成果，提出一套適合長大隧道交通流特點的交通流模型；並針對目前國內長大隧道的普遍設計方式，模擬一個帶有普遍性特徵的長大隧道，確定了關于交通誘導與控制方面的參數（隧道長度、交通量、檢測設備的選取和位置、車道指示燈的數目等） ；以此模擬隧道為基礎，進一步探討隧道的具體控制與誘導方式；簡要探討隧道監控系統的構成、交通控制與誘導子系統的實現方式，隧道控制系統的網路架構；最後通過編程實現控制與誘導子系統的計算機模擬，討論關于模擬隧道數據庫的構建，具體編程實現等。
  9. This paper presents our research in actuating in - vivo micro - robot based on the capsule endoscope platform by the external power. while seeking secure driving method we take several factors into account, such as driving environment, power transmitting and consuming, motion requirement and controllability, and locating technique. we mainly deal with driving the capsule with spatial gradient magnetic field, so we employ combined electro - magnetic coils, including gradient coils and homogenous coils, which have rotational dof around a translatable patient bed, to compose a controllable uniform gradient which act on the permanent - magnet embedded robot, thereby get an appropriate spatial force and torque to fulfill the anticipant locomotion such as move, stop, pitch and yaw

    基於驅動環境、能量供給和消耗、驅動動作要求及驅動安全性與可控性，定位方案等多方面考慮，尋求安全可靠的腸胃檢查微機器人的外部驅動控制方法，並著重研究直接利用外磁場磁力驅動微機器人:在微機器人內部嵌入永磁性體，利用體外的組合電磁線圈產生加載電流控制的驅動磁場，其中外部的電磁線圈由多組梯度線圈和勻場線圈組合構成，通過繞病床的旋轉以及病床的平移共同控制微機器人所在位置的磁場強度及梯度，作用於微機器人內嵌磁體以獲得空間意義上的必要驅動力和調整轉矩，從而有效地完成驅動動作要求。
  10. As an example, the implementation of the laplace equation with the gridless method has been presented at first and the resulting large scale matrix equations are solved by gmres algorithm. the numerical simulations of the flows over a cylinder are tested successfully with clouds of different scales, which shows the " cloud " effects on the computational accuracy

    本文先以代表定常不可壓位勢繞流的laplace方程為例，研究了laplace方程的無網格離散形式，並運用gmres高效演算法對其快速求解，數值模擬了典型的圓柱繞流；並通過不同點雲尺度的數值模擬，顯示出點雲尺度對計算精度的影響。
  11. The hydrauli c model of gradual dike - break simulates numerically the 2 - d flow of gradual dike - break waves. it shows the variation of flow field on breach, and the complicated flow characteristic of the propagation, diffraction, reflection and deformation of the dike - break waves. the hydraulic model can realistically simulate the burst process of dike, and computational accuracy is satisfied with the engineering demands

    本文建立逐漸潰堤的水力模型首次對二維逐漸潰堤波的流動問題進行了數值研究，揭示了逐漸潰堤過程中潰口處流場的變化情況，以及潰堤波的傳播、繞射、反射及變形的復雜運動特徵，能較好地模擬實際工程中的潰堤失事，模擬比較逼近於真實潰決過程，計算精度可滿足工程要求。
  12. 2 ) based on the study and analysis of many security architecture standards, the security region and the defense layer are introduced, the information category, the threatening level and the security protection level ( spl ) are put forward, the methods and requires of the security analysis are discussed in this paper. 3 ) based on the security architecture model and the security analysis, the graded requires of the security management and the security technology is presented, so the security design of the cissa and the choice of security produces can be done conveniently. 4 ) a cooperative communication platform is designed and implemented to ensure the dynamic and cooperative ability of above cissa model

    針對計算機信息系統安全體系模型和實施標準的不足，本文緊密圍繞分層、分級、動態防禦以及協同通信平臺等關鍵技術開展研究工作，所做的工作主要集中在： 1 ）在深入研究了當前各種流行的安全體系模型基礎上，提出了用於指導計算機信息系統安全體系建設的動態縱深防禦安全體系模型； 2 ）在對各種安全體系標準進行研究與分析的基礎上，引入了安全域和安全防護層次的概念，提出了信息類別、威脅級別和安全保障級別的定義，闡述了進行計算機信息系統安全分析的方法和要求； 3 ）在安全體系模型和安全分析的基礎上，提出了安全管理及安全技術的分級要求，從而便於進行計算機信息系統的安全設計以及產品的選型； 4 ）設計並基本實現了用於保障上述安全體系動態協同能力的協同通信平臺。
  13. Centered on the investigation on the evolvement of permeability as well as the coupling action between seepage and stress, the following work is carried out : 1. a further examination is given to classical biot seepage theory to discover the basic assumption to form the coupling seepage equation, and discuss the variety of coupling equations between seepage and stress and their adaptabilities. the physical meanings, adaptability, testing method of seepage parameters used in equation of continuum are analyzed based on the experimental investigations on complete relationship between stress, strain and permeability of rock and engineering test on permeability of rock at different depth

    本文圍繞巖石破裂過程中滲透性的演化規律及其滲流-應力耦合作用機理這一課題，開展以下方面的研究工作: 1 .對經典biot滲流力學做了進一步的考察，揭示建立耦合滲流方程的主要假設，討論了各種滲流與應力耦合方程及數學模型的適用條件，通過巖石應力應變-滲透率全過程實驗研究和不同深度巖體滲透率工程試驗研究，分析了連續介質模型耦合滲流方程參數的物理意義、適用性、測試方法。
  14. Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively

    本文對大圓環直線感應電機進行了深入細致研究，內容包括： （ 1 ）本文採用有限長行波面電流作用於有限長鐵芯上的模型，引用了氣隙磁場一維解，研究了單層繞組磁場，奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較，簡單介紹了二維解； （ 2 ）用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析，並分析了結果； （ 3 ）用軟體進行了額定電壓下的瞬態分析，得到了轉矩，位移，轉速隨時間變化曲線圖，利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較，採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證，由實驗測得了三相電流波形，並與計算結果進行了比較，對其不對稱性進行了定性分析。
  15. Numerical investigations of the effects of different leading - edge profiles on the vortex flows over double - delta wings

    繞三角翼流動中的非定常現象研究
  16. On may 3, invited by the institutes deputy directors liu xiaobing and hu naizhe, dr. mclaughlin visited the experimental park in harbin and the black soil ecological experiment station in hailun. with deputy director liu xiaobing and the research fellow zhang xingyi, he had an in - depth discussion of some issues of common interest to both sides, like the deterioration and management of black soil, conservation farming, compacting of soil

    5月3日， neil博士應劉曉冰副所長和胡乃哲副所長的邀請，訪問了我所哈爾濱園區以及海倫黑土生態實驗站，與劉副所長張興義研究員等圍繞黑土退化與管理保護性耕作土壤壓實等雙方感興趣的問題進行了深入的交流。
  17. On the basis of the research for hi - fi audio development which relates to the mature family theater technology, this paper researched stream - media multi - channel surround sound technology which is a kind of front technique, also, analyzed difference between them, then, expatiated the making procedure of multi - channel surround sound technology in detail. finally outlook the applying of multi - channel surround sound technology in academic music quality education

    本文從當前已經發展成熟的家庭影院技術出發，詳細研究了與之相關的音頻製作處理技術，在此基礎上，對流媒體的多聲道環繞聲這項較前沿的技術也進行了跟蹤研究，分析了兩者之間的差異性，釐定出了兩類格式之間理論和技術差距，並對環繞聲製作的程序和步驟做了詳細的闡述。
  18. Focusing on the performance evaluating and the design of tripropellant injector, adopting the cold test rig with background pressure supply, malvem particle analyzer, ccd photography system, tripropellant hot test - bed, numerical simulation software and auxiliary theoretical a nalysis, the d ischarge c haracteristic a s w ell a s a tomization p erformance o f the injector and the combustion performance as well as the mode - transition characteristic of thrust chamber are studied detailedly based on the 3 different structures of coaxial tripropellant injector, large numbers of important conclusions are gained

    本文圍繞三組元噴嘴的性能評定及設計方法。採用反壓冷試臺、馬爾文測粒儀、 ccd高速攝影系統、三組元發動機熱態試驗臺、數值模擬程序及輔助理論分析等多種技術手段和研究方法，對三種結構的同軸式三組元噴嘴深入進行了噴嘴流量特性和霧化特性、推力室燃燒性能和轉工況性能研究，得到了大量重要結果。
  19. Abstract : a numerical investigation of three - dimensional separated flows about a hemisphere - cylinder is presented. the analysis has been restricted to transonic and laminar flows. results are given for the complex flow field structures including shock, boundary layer, separated flow, vertical flow and their mutual effects. the topological structures of the separated flow is shown

    文摘:本文數值模擬了半球柱在跨音速、中等攻角時的粘性層流繞流，研究了流場中的復雜三維分離形態結構，其中包含流向與橫向的主分離、二次分離、以及激波邊界層的相互干擾，解釋了在球柱接合部精確捕獲的壓力波動與流動主分離、二次分離的影響關系，這個現象是前人的計算5 ， 6未捕捉到的。
  20. The flowfield over low - drag and long - range projectile with small attack angle is numerically studied from transonic to supersonic velocity. it provides basic work for aerodynamics characteristic of this projectile and for lateral jet interaction flowfield, and it shows this projectile can decrease drag. zonal method is tried to compute flow over projectiles and results is satisfied, but computation is much slower

    系統研究了低阻遠程彈丸在小攻角狀態，低跨聲速、高跨聲速和超聲速時的非對稱繞流流場，為該彈形氣動力研究提供理論指導並為彈丸側噴流研究奠定基礎，結果顯示低阻遠程彈丸外形具有優化繞流場、減小空氣阻力的特點。
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