流體動力分量 的英文怎麼說
中文拼音 [liútǐdònglìfēnliáng]
流體動力分量
英文
hydrodynamic force component- 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...
- 體 : 體構詞成分。
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 流體 : [物理學] fluid; fluor流體力學 fluid mechanics; hydromechanics; 流體生物學 hydrobiology; 流體運動學 hydrokinematics
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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And the explicit finite difference method, the combining method of the central difference method and newmark s constant average acceleration method, and the transmitting boundary are used. by comparing the acceleration determined by the several methods of the displacements or velocities, a computing method of acceleration employed the one side difference of velocity is more practicality in this research. corresponding to normal incidence of the body waves, p waves or svwaves, and rayleigh surface waves, two two - dimensional finite difference programs are compiled to compu te the dynamic response of two - phase media
以土力學模型為基礎,利用以土骨架和孔隙流體的四個位移為基本未知量的數值方法去模擬二維飽水介質中的地震波傳播,採用了顯式差分方法(中心差分法和newmark常平均加速度法結合)和透射邊界,通過比較利用幾種差分格式求解的加速度結果,發現一種用速度單邊差分求解加速度的方法在本文研究中較為實用,分別編制了體波( p波或sv波) 、 rayleigh面波輸入時求解兩相介質動力響應的兩個二維數值分析程序。Fluid noise mainly comes from out put pulsation of rate of flow, the main reason of out put pulsation of rate of flow is the instant high pressure return flow that obturation cubage produced when the big round curve pressure transition. the v trough on the port plate can reduce the fluid noise. in this paper, the author based on the acting of dam a river and condensability of liquid and used matlab language as tool to calculate the v trough on the original port plate and drew out the p - t diagrammatic curve and analyzed its shortcoming and improved the design of original v trough and got that the best size of its angle was 12. 3 and its length was 5mm and the cross section was an equilateral triangle
流體噪聲主要來源於輸出流量脈動,造成輸出流量脈動的主要原因是閉死容積在大圓弧段壓力切換時產生的瞬時高壓迴流,在配流盤上開設v型尖槽可降低因高壓迴流而引起的流體噪聲,本文以截流作用和液體的可壓縮性為理論依據,以matlab語言為工具,對原配流盤上的v型尖槽進行了理論計算,繪制出p - t圖線,分析了它的不足,並對原有v型尖槽進行了優化設計,得出了v型尖槽的最佳幾何尺寸:配流盤平面上的v型尖槽的兩邊的夾角為12 . 3 ,槽長5mm ,槽的橫截面為等邊三角形。This article also analyzed the flowing regulation of air and ng. the energy equation of bernoulli can be gotten by the knowledge of hydrokinetics
論文在此基礎上,利用流體力學的原理上,分析了天然氣和空氣的流動規律,建立了伯努利能量方程。For example, it can enter human body to inspect inner organ, deliver drug to assigned spot and operate local body surgery. supported by the nation nature science foundation of mechanism, structure and control study on swimming micro robot in liquid ( item no. 69885002 ) and guangdong province science foundation of research on swimming micro robot in liquid ( item no. 980402 ) and guangdong province education department foundation of research on micro pipe robot driven by liquid self energy ( item no. 010043 ), this dissertation mainly study on the designing and manufacturing of swimming micro robot and its swimming performance, building up and analysing the dynamic model, natant problem of swimming micro robot and controlling the swimming velo city
本論文得到國家自然科學基金項目「泳動微機器人的機理、機構和控制」 (項目資助號: 69885002 ) 、廣東省自然科學基金項目「液體中泳動微機器人的研究」 (項目資助號: 980402 )和廣東省教育廳基金項目「基於流體自身能量的微管道機器人研究」 (項目資助號: 010043 )等的資助,主要對在液體中運動微機器人的國內外研究現狀、水生生物推進機理及其對泳動微機器人研究的借鑒和啟發作用、泳動微機器人的設計與製作、微機器人動力學模型的建立與分析、微機器人的自主浮遊與泳動速度控制等方面進行了大量的理論與實驗研究。Hydraulic fluid power - gas loaded accumulators - specification for seamless steel accumulator bodies above 0. 5 l water capacity
液壓流體動力.氣體加載蓄能器.第1部分:水容量0 . 5l以上無縫鋼蓄能器體規范In order to analyze the fluid dynamic characteristic in seawater pipeline system, the test device of fluid dynamic characteristic in seawater pipeline system is set up. in this experiment, the velocity of pressure wave propagation is measured by frequency analysis technique and the measured result is reliable. according to the frequency analysis technique and a basic theory of linear transfer matrix, the pulsation pressure value in pipeline is predicted by the measured values from four pressure transducers
為了分析海水管路系統內流體的動態特性,建立了海水管路系統流體動態特性實驗臺架;在實驗中利用譜分析技術對壓力波傳遞速度進行了測量,測量結果可信;並利用譜分析技術及線性傳遞矩陣基本理論,通過多個壓力傳感器的測量值預測了管路中的脈動壓力值,實驗結果與理論計算之間吻合很好;分析了流體動態特性實驗臺架本身的自循環特性對海水管路系統中脈動壓力測量的影響。In this paper, charge calculating formulas and their relations of cutting chamber loose blasting are firstly analyzed with the theories of dimension, fluid dynamics. explosive dynamics, etc and the significance of the explosive factor in it is pointed out. calculating methods of the explosive factor are researched by law of conservation of energy, and then a new one is brought forward which proves to be rational and reliable by a sample
本文首先採用量綱分析、流體動力學、功能平衡理論、爆炸動力學等理論,分析了路塹硐室松動爆破裝藥量計算公式及其內在聯系,並指出k值在現有藥量計算公式中的重要性;在分析現有k缺陷的基礎上,利用能量守恆原理,研究了路塹硐室松動爆破單位炸藥消耗量計算方法,並提出一種新的k值計算方法,實例驗證本方法合理、可靠,優于其它k值計算方法。Based on the hydrodynamic, by using momentum theory to the liquid in the flow channel, the computational formula of the air exciting - vibration force is acquired. by using four - step runge - kutta method, the periodic response results of the elastic rotor system with one single - disc are gained. then the dynamic characteristics of the rotor system at the certain rotate speed and the certain physic parameter of system are analyzed by using the phase spaces and poincare maps of this system
基於流體動力學,通過對葉片流道內的流體模型應用動量定理,得到此汽流激振力模型,並採用四階龍格庫塔法,得出了單盤彈性轉子系統的周期響應規律,然後根據系統的相軌跡及poincare映射圖,分析了系統在特定轉速及特定的轉子系統參數下的運動特徵。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。With a differential accumulation analysis of the fault closeness and the difference of faulted reservoir in beitang depression, it is suggested that ( 1 ) an inactive fault in clastic sequence may mainly restrict hydrocarbon migration ; ( 2 ) undercompacted shales with overpressure can lead to strongly restricting hydrocarbon migration along faults ; ( 3 ) hydrocarbon segregation associated with fault traps more probably takes place in undercompacted zone with abnormal hydropressure
通過黃驊坳陷北塘凹陷斷層的封閉性及斷層油氣藏差異聚集分析,表明斷層在活動停止期主要起封閉作用,但在正常壓實層序段仍有少量輕組分的烴類沿斷層發生運移而引起差異聚集;而在欠壓實帶,異常高孔隙流體壓力使斷層在縱向上具有很強的封閉性。Topics include the principles of conservation of mass, momentum and energy ; hydrostatic behavior of floating and submerged bodies ; lift and drag forces ; dimensional anaylsis ; wave forces on ships and offshore platforms ; laminar and turbulent flows
主題涵蓋質量守恆、動量守恆及能量守恆等原理、浮體及沈體之流體靜力行為、升力、拖曳力、因次分析、船舶及離岸平臺上作用的波力、層流及紊流。By analyzing flow status of fluid in aerating pipeline, giving up hydraulics and utilizing hydromechanics and advance numerical calculations, the prediction method to solve optimizations height on flow status in aerating pipeline is studied and put forward, which provides a scientific theory base to realize effective drag reduction and economic principle in blend phase transportation for pipeline design
摘要通過分析摻入少量高粘流體形成分層紊流層流的流動狀態,拋棄傳統的水力學研究方法,應用流體力學原理、高級程序設計語言和先進的數值計算技術研究了摻入少量高粘流體分層紊流層流減阻規律,為實現管道混相輸送時高效減阻和經濟節約的設計提供理論依據。Hydraulic fluid power - determination of characteristics of motors - part 3 : at constant flow and at constant torque
液壓流體動力.電動機特性的測定.第3部分:在恆定流量和恆定扭矩下進行的測定This thesis researches on the stability of fibre suspensions applying theoretical, numerical and experimental methods. first the linear stability analysis is performed to fibre suspensions utilizing flow stability, slender - body and orientation tensor theories. the governing equations of channel and pipe suspensions of different stability handling modes and tensor closure approximations are derived
首先綜合應用流體動力穩定性理論、細長體理論以及纖維方向張量工具,對纖維懸浮流進行線性穩定性分析,推導槽流和管流的穩定性方程,並對槽流導出在不同的穩定性分析模式以及不同的方向張量封閉格式下的多種形式方程。A large quantity of information of geology, test, well logging and earthquake has been well used. basing on comprehensive study and moving analysis, the really geological pattern is selected and the hydro - dynamical field is described using mathematics. and then the hydrodynamic is used to clue, the mathematical model on hydrodynamic fitting to wuerxun and beier depression has been set up
研究中,在正確分析海拉爾盆地水動力背景的前提下,充分利用已有的地質、鉆井、測井、測試及地震資料,立足於綜合研究和動態分析,通過大量基礎地質工作,選擇正確的地質模型,對地下水動力場進行數學描述,以水動力為主線,建立了適合該地區的數學模型:地層埋藏史、古流體壓力孕育史等。Hydraulic fluid power. electrically modulated hydraulic control valves. part 1 : test methods for four - way directional flow control valves
液壓流體動力.電動液壓控制閥.第1部分:四路定向流量控制閥的試驗方法Hydraulic fluid power. electrically modulated hydraulic control valves. part 2 : test methods for three - way directional flow control valves
液壓流體動力.電動液壓控制閥.第2部分:三路定向流量控制閥的試驗方法Lecture notes in computer science, 2004, 3358 : 757 - 764. 62 bisseling r h. parallel scientific computation : a structured approach using bsp and mpi
并行應用和使能技術部分主要介紹了計算流體動力學粒子輸運以及其他一些應用,如環境和能量生物學等。Hydraulic fluid power - measurement techniques - part 1 : general measurement principles
液壓流體動力.測量技術.第1部分:一般測量原則分享友人