繞物體流 的英文怎麼說
中文拼音 [ràowùtǐliú]
繞物體流
英文
flow around a body-
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Chengang vice secretary - general china home appliance association said, the wave wheel washing machine depends on the bow wave to strike the clothes with the scour. it is the combination of the cleaning rate and the inertwist. more bow wave and more cleaning it is more intertwist, contrarily too
中國家用電器協會副秘書長陳剛介紹，波輪洗衣機是依靠波輪的高速運轉所產生的渦流沖擊衣物，再藉助洗滌劑的作用洗滌衣物，從原理上講其洗凈度和纏繞性是相矛盾的結合體。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。The major work is as follows : solution of two dimensional radiation or diffraction fluid field. this thesis extends multipole expansion method to adapt to disturbed fluid fields of 2d floating bodies with asymmetric forms, which is applied with symmetric forms originally. and given the solution of potential velocity and hydrodynamic pressure of radiation and diffraction fluid fields, which is incited by a 2d arbitrary form, actual application field of the multipole expansion method has been enlarged
關於二維擾動流場的求解：將通常僅適宜求解具有對稱形狀二維物體擾動流場的多極展開法（保角變換方法）擴展至非對稱形狀二維物體，給出了任意形狀二維物體的輻射和繞射流場的速度勢及水動壓力的頻域解，進一步擴大了多極展開法的實際應用范圍。Flow around a parabola
拋物線體繞流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。As to how to reduce inventory and optimize logistics to enhance the administrative level of the company, the article dwells with sound evidence on the points as follows : how to make sales forecast more accurate ; how to stengthen the execution of planning ; how to improve inventory management and how to have a better control of logistics in production, which says the company should creat a whole logistics management system to reduce the inventory, to optimise the management level, with all the processes basing on the same flat roof, so as to helping the company chance it " s management level, and the competitiveness in the market
文章圍繞著如何降低庫存，提高企業物流運作效率，提升企業整體運作水平的論點，聯系了物流的相關的理論知識與實踐經驗，在提高預測的準確率，加強計劃的制定與執行，改善倉庫的日常物流事務管理，強化企業生產物流管理等方面，以有力的論據進行了詳細地闡述，以此說明了企業必須建立一整套物流體系，使整個物流過程處于同一個操作平臺，以利於庫存降低和企業管理水平的提高，最終提高企業的市場競爭力。Calculation of the potential flow around a submerged body is an important problem in applications
水面下物體的繞流問題是一個有著重要應用背景的問題。The river has washed the images clean, made them into smooth stones for him to examine without pain or passion : ripped skin and crushed bone, the walls of a body and walls of stone surrounding him, tendrils of light consoling him and murmuring that a bird settled on a branch needs to fly to know the river ' s path
河水的沖刷，使印象變得愈發清晰，他們被帶到了光滑的石堆里，而他則無痛且平靜的體會著：渾身皮開肉綻，被人和石頭環繞著，捲曲四射的光亮物體安慰著他，喃喃道：棲于枝頭的鳥，只有凌空飛翔，才能知道河流的行徑。Third, the framework of marketing process reengineering is put forward according to the ideology and principle for mpr. marketing information systems, supplying chain, logistics and crm is designed for new marketing process to ensure realization for re - design marketing process. then, new model of marketing process is given on the basis of new process
第三，針對存在問題，依據營銷業務流程再造的指導思想和原則，提出營銷業務流程再造的總體框架和再造后的流程；圍繞如何實現新的營銷業務流程，從營銷渠道的信息系統、供應鏈、物流和客戶關系進行設計，然後基於再造后的營銷業務流程，提出新營銷組織應具有的特性，並設計出再造后營銷組織模式及實現組織再造的途徑。The radiation condition is satisfied numerically with collocation points shifting upstream. as applications of the method, flow around a 3 - d body, the wave pattern and wave resistance of a ship are solved. the encouraging numerical results are achieved
本文運用該方法計算了三維物體的繞流、興波波形和興波阻力，給出了wigley 、數學swath船型定常直航運動時的興波波形和興波阻力，其結果與實驗結果、理論結果進行了比較，結果比較令人滿意。This paper combines the application and research of cellular manufacturing resource management system in high - efficient numerical control machining technique research of commission of science technology and industry for national defense and demonstration project research of chengdu aerocraft corporation, studies and practice the management of workshop ' s resource management which according to mrp hand jit " s thoughts and the characteristic of manufacturing execution system to meet advanced management concept ; have realized the computer - assisted management of the measuring tool, cutter, fixture and material in numerical control manufacturing center of chengdu aerocraft corporation, have introduced some manage method, concept and the management thought in production planning and controlling management, stock management and cost management ; makes the information of cost manage department, technology department and resource management department can be shared and integrated with each other, have guaranteed the production of numerical control manufacturing center of chengdu aerocraft corporation can go on by order ; this paper is taking the management of cutter as a sample, have studied the major working process and the realistic demand of resource management in the environment of numerical control ; have established systematic function model and information model with the method of idefo, idef1x ; under the support of intranet, with the method of joint application and development, combines advanced management theory and reality, using mature software development tool, this paper have developed the computer - aided manufacturing resource management software under the pattern of c / s
本文結合國防科工委「高效數控加工技術研究?成飛示範工程」課題中單元化製造資源管理系統的研究與應用，從車間層開始圍繞製造資源計劃（ mrp ）和準時制生產（ justintime ，簡稱jit ）的需求並結合製造執行系統（ manufacturingexecutionsystem ）的特點對車間資源的管理作了一定的研究和探討，並付諸實踐，以適應先進的管理理念；實現了成飛數控加工中心刀具、量具、工裝、物料等製造資源的計算機輔助管理，介紹了一些計劃與調度管理、庫存管理、成本管理的管理思想、理念及方法，完成了與車間生產調度部門、工藝部門、經營管理部門的信息共享和集成，從製造資源的角度保證了成飛數控加工中心的生產能有序、受控的進行；對今後的車間層製造資源管理探索出了一條切實可行的解決途徑。本文以刀具管理為例，研究了高效數控環境下製造資源管理的現實需求及主要的工作流程；採用idefo 、 idef1x方法建立了系統的功能模型和信息模型；並在車間局域網的支持下，採用聯合應用開發（ jad ）方法（即程序開發人員與最終用戶共同開發系統） ，以先進的管理理論為指導，結合生產現場的實際情況，利用成熟的軟體開發工具開發了c s模式下的計算機輔助製造資源管理系統軟體。In the thesis the low drag - low noise optimization of the vehicle main form design is realized, main accomplishments are as follows. researched the knowledge of drag and flow noise, the parameters of the boundary layer are calculated by the hess - smith method and boundary layer momentum integral method. the calculation of the length of transition zone and change in boundary layer displacement thickness between laminar and turbulent states in the transition is improved, then the drag coefficient and self - noise from the transition zone are calculated as the objective functions of the optimization
主要研究內容和成果如下：對航行器繞流流場進行分析，深入研究了阻力和流噪聲產生機理，建立了阻力系數和自噪聲的評估數值計算模型；採用物面分佈源匯法和邊界層動量積分法對繞流流場的流體動力參數進行計算，改進了轉捩區長度和邊界層位移厚度的計算，應用於航行器頭部駐點自噪聲的計算；最後設計了阻力系數和自噪聲數值計算程序模塊。In the forward group there are three level : contacted dividing, orbital flows and tabular record level, in backward one : material optimizing, financial optimizing, brainpower resource optimizing. focus on the key management aspect of the material, producing, purchasing, selling, human resource, finance, all levels, through the kpi method, set up all - sided indicator and corresponding tools. at last, the demonstration shows the feasibility and usability of the model in practice
本模型面向製造業信息化建設，將企業的管理能力分為管理紀律和資源優化兩大級別，前者依次分為分工合同化、流程軌道化、記錄表格化三個等級，後者分為物力優化、財力優化、智力優化三個等級，每個級別利用關鍵性能指標的方法，圍繞製造業「產、供、銷、人、財、物」等管理關鍵環節，建立了立體的評價體系和評價指標，並提供了對應的具體應用工具。Chapter 4. giving detailed methods and procedures to establish a balanced logistics within production system : making forecast to material flow volume by making use of advanced technology ; figuring out the constraint resource by combining the status of manufacturing technology and enterprises " resources ; balancing the production logistics based on the constraint resources
第四章提出了在生產系統中建立物流平衡的具體方法和步驟：利用合理的預測技術對物流量進行預測；結合製造工藝和企業的資源狀況，找出企業中的約束資源；圍繞約束資源平衡生產物流。Simulation results for non - isothermal flow pass plate have been shown. the spatial correlations in a fluid subjected to an external temperature gradient have been computed by using cellular automata simulations of a simple lattice - gas model with temperature. but, this theory is found limitedly applied to mechanics
並給出了平板非等溫流體繞流流動現象的模擬結果；通過採用一個含有溫度的簡化格子氣模型，用細胞自動機方法，模擬計算了服從于外部溫度梯度的二維流體中的平衡與非平衡空間相關函數，數值結果表明：該方法的計算結果和由漲落流體動力學理論的預言在是性上是完全符合的； bernsdorf等人用ca討論在復雜障礙物情況時的流體流動問題。The three basic steps are as follows : firstly, the flow field is computed. secondly, the droplet trajectory equation is solved in order to determinate the limiting droplet trajectories and local collection coefficient. thirdly, a new iced shape is defined according to ice accretion model
其基本步驟一般分三步：計算物體的繞流流場；求解水滴軌跡方程以確定極限水滴軌跡和收集系數；根據冰增長模型來確定新的結冰翼型形狀。Common test methods for insulating and sheathing materials of electric cables - part 4 : methods specific to polyethylene and polypropylene compounds - section 1 : resistance to environmental stress cracking - wrapping test after thermal ageing in air - measurement of melt flow index - carbon black and or mineral filler content measurement in pe
電纜絕緣和鎧裝材料通用試驗方法.第4部分:聚乙烯和聚丙烯復合物專用方法.第1節:耐環境應力裂化試驗.空氣中熱老化后的纏繞試驗.溶體流動指數的測量. pe中炭黑和或礦物填充料的含量測量In order to verify the feasibility of the present method, chapter 3 takes the fluid flow of sphere, cylinder and the additive mass of two spheres as three examples, finishes the calculation by disposing the source or sink whose strength is expressed as the format of nurbs and emphatically the processing of the singular integral. it can be drawn from the comparison of the results of present method and the theoretical solution, i. e. a good precision can be gotten under a few collocation points with the method
為了考查本文方法的可行性，第3章以圓球體繞流、圓柱繞流以及兩個等圓球體在流場中的附加質量作為例子，通過在物體表面布置強度以非均勻有理b樣條表達的源匯和著重對奇異積分的處理后完成了相應的計算，從與理論解的比較可以看出本方法的優越：在數目很少的配置點下數值解可取得十分良好的精度。The team showed how these fields could be manipulated to flow around objects like a fluid, returning undisturbed to their original paths
該小組演示了如何對這些場施行控制，使其像流體一樣繞物體流過，無擾動地回到其最初的路徑。分享友人