流體動力計算 的英文怎麼說
中文拼音 [liútǐdònglìjìsuàn]
流體動力計算
英文
hydrodynamic computation- 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...
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 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
- 計算 : 1 (求得未知數) count; compute; calculate; reckon; enumerate 2 (考慮; 籌劃) consideration; pla...
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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A new method should be discovered to design the function block. the thesis is based on the rheology and hydrokinetics of the polymer melt, and calculates the velocity in the die by fem simulation, and provides die design with theory proof. according to the existed theory, i summarize and conclude the fem formula of the polymer flow, and then write the program to calculate on the computer
本論文中功能塊結構的研究,是以熔體的流變性以及流體動力學理論基礎上,對在口模中的熔體進行數值模擬,計算出熔體在口模中的流動參數(主要是速度的分佈) ,從而可以科學的對功能塊幾何結構進行優化。Active structure acoustic control ( asac ) is the leading field in the area of vibration and noise control. based on the most current academic and experiment results of domestic and overseas in asac, modern robust control theory ( h _ control theory ) and modern hydrokinetics theory 、 solid dynamics theory are used to build the control model of asac in this thesis. and the h _ control experimental system is build based on modern signal processing technology and compter technology
本文在國內外最新的asac理論研究與實驗成果的基礎上,首次將現代魯棒控制理論( h _控制理論)與現代流體動力學、固體動力學理論相結合,建立了結構振動聲輻射主動控制模型,提出了設計魯棒h _控制器的新方法,並採用現代信號處理技術、計算機技術建立了結構振動聲輻射魯棒h _控制實驗裝置,進行了實驗研究。Second, the imaging model built here has taken into account the tilt modulation, the hydrodynamic modulation, and current modulations of radar cross section. consequently, it has realized the imaging simulation of four kinds of wakes with the same imaging model. third, the orbital velocity of ocean wave was considered as the basic dynamic factor, and the imaging model calculates the influence on raw data by the wave m ovement according to the orbital velocity
該模型的主要特點是: ( 1 )它採用了三尺度復合表面模型的思想來計算海面的電磁散射,考慮了中等尺度波對紋波的進一步調製作用,彌補了傳統雙尺度模型的不足; ( 1 )它考慮了海浪的傾斜調製作用、流體動力調製作用和流場對雷達截面的調製作用,實現了用統一的模擬模型對四種艦船尾跡特徵進行成像模擬; ( 3 )它把海面長波的軌道速度作為基本的動態成分,並依此來考慮海面運動對sar回波信號的影響。Experience : minimum five ( 5 ) years work experience ( or 2 yrs with phd degree ) in one of the following technologies or related areas : wet flue gas desulpherization , dry flue gas desulpherization , electrostatic precipitation , fabric filter , computerized fluid dynamic , in air pollution control or a related industry
經驗:至少五年(或博士學位+兩年)下列技術或相關領域工作經驗:濕法脫硫,干法脫硫,靜電除塵,布袋除塵,計算機流體動力,空氣污染控制或相關工業。According to the engineering criterion of the cooling system, the function and the characteristic of the cooling system are checked at the case of rating and torque, thus two schemes are compared to select the better one, and also the boundary condition for further computational fluid dynamics ( cfd ) analysis is provided
按照冷卻系統工程規范,分標定點與轉矩點兩個工況來檢查冷卻系統的功能和特性,以比較兩種結構方案的優劣,也為下一步進行計算流體動力學分析( cfd )提供邊界條件。Hydraulic fluid power - calibration of liquid automatic particle counters - procedures used to certify the standard reference material srm 2806
液壓流體動力.液體粒子自動計算器的校驗. srm 2806標準參照物質認證所使用的程序In addition, considering the essential characteristics of the fusion - fission hybrid reactor, the preliminary analysis and research of the mhd pressure drop of liquid metal that flow through the fuel packed pebble bed - based blanket are given
另外,基於聚變中子源驅動的次臨界清潔核能系統,針對聚變?裂變嬗變混合堆的本質特點,對液態金屬球床包層進行初步地探討和研究,進行了球床液態金屬溢流的磁流體動力學流動的建模分析和計算。In this paper, the theory of slender bodies was used to calculate hydrodynamic forces and to numerically simulate the underwater trajectory of supercaviting bodies, the motion stability of supercaviting bodies was analyzed, too
本文應用細長體理論計算航行體在超空泡狀態下的流體動力,成功類比了超空泡狀態下的航行體水下彈道。The thesis was written under the direction of dynamic theory of forming reservoir, follows the rules of comprehensive information, judgment, interpretation and assessment and even makes full use of outcrop geology, data from drilling and logging, data from laboratory analysis and achievements in geophysical exploration. considering the basic factors of forming reservoir in the south of ordos basin as the starting point, the thesis defines that yanchang group of triassic goes into the start of generating oil in the late period of mid - jurassic and that the largest oil generation peaks in the middle period of early cretaceous, after the analogue - history of hydrocarbon generation. meanwhile it also establishes the relationship between the evolution of oil and gas and the formation of traps, the time of oil exploration
本文以成藏動力學理論為指導,本著綜合信息、綜合判斷、綜合解釋、綜合評價的原則,充分利用露頭地質,鉆測井資料,實驗分析資料及物化探成果,以鄂爾多斯盆地南部的基本成藏要素為出發點,通過生烴史模擬,確定了三疊系延長組在中侏羅晚期( 150ma )進入生油門限,于早白堊世中期達到最大生油高峰期;同時並確立了油氣演化與圈閉形成、捕油時間的關系;通過流體勢的全區計算,提出了該區油勢具有明顯的「雙層」結構特徵,並建立了以靜水壓力為主的重力流系統和以差異壓實作用為主的壓實流系統的流體動力分佈模型;通過成藏動力學系統的劃分及事件分析,探討了該地區油氣聚集規律,最終指出了有利的含油氣遠景區。Computational fluid dynamics ( ( fd ) provides a condition for numerically simulating ship fluid flow field with the development and commercialization
計算流體動力學的發展和商業化,為數值模擬船舶流場提供了條件。A transient, three - dimensional, non - isothermal and two - phase mathematical model based on computation fluid dynamics was developed to describe the dynamic process of pemfc
摘要為描述質子交換膜燃料電池的動態過程,發展了一個基於計算流體動力學的非穩態、非等溫的三維兩相流數學模型。Computational fluid dynamics ( cfd ) solver aimed to solve multi - physics problems on unstructured grids ( inviscid euler, navier - stokes flows, heat transfer ). f90 based. mpi, cgns, metis, lapack libraries used
計算流體動力學的解決方案,特別是針對在無結構性的組合上的多種物理學問題。Abstract : this paper derives thecalculating formulas to the contact strength and oil - film thickness of the involute spur gear according to hydrodynamic lubrication principle. through check with test, shows that they may rully replace now available hertz formula and dowsonformula respectively
文摘:根據流體動力潤滑原理,推導出了漸開線直齒圓柱齒輪接觸強度及油膜厚度的計算公式,通過實驗驗證,說明它們可以完全分別代替現有的赫芝公式及通森公式。The results should be improved by reconsidering the boundary conditions. the research is useful for hydrodynamic calculation of the submerged body by using cfd technique
本論文的研究為用計算流體動力學( cfd )方法預報潛體的水動力性能打下了一定的基礎。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。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。For the vertical - axis variable - pitch cycloidal rotor, the article unify hydrodynamic performance symbol at first, classify and trim the calculation methods and formula of predicting fluid dynamical capability of water - power rotor and wind - power wheel that have been formed up to now
對于可調角直葉擺線式水輪機,首先統一定義了水動力性能符號,將已有的水力與風力轉輪的流體動力性能理論計算方法和計算公式進行分類和整理。Computer fluid dynamics ( cfd ) is adopted to simulate the flow fields of catalytic converter while researching the working process of emission postprocessor. the velocity field and pressure field of exhaust gas are obtained. methods of structural optimization of catalytic converter for improving gas flow and conversion efficiency are proposed
本文在汽車排氣后處理裝置工作過程研究方面,運用計算流體動力學軟體,對催化轉化裝置氣流場開展了模擬,得出了氣體速度場和壓力場的分佈情況,提出了以改善氣體流動和催化轉化效率的催化轉化裝置結構優化的方案。Study of calculating flow resistance of fluid flowing through sk - static mixer in laminar flow
型靜態混合器中作層流流動時流體阻力計算的探討分享友人