流體動力設計 的英文怎麼說
中文拼音 [liútǐdònglìshèjì]
流體動力設計
英文
hydrodynamic design- 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...
- 設 : Ⅰ動詞1 (設立; 布置) set up; establish; found 2 (籌劃) work out : 設計陷害 plot a frame up; fr...
- 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...
- 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
- 設計 : devise; project; plan; design; excogitation; layout; layout work; styling
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But almost none studies analysis and design principle about quasiliquid device by the numbers. for providing theory guidance for quasiliquid device design and improving capability and reliability of quasiliquid fuzes, taking experience formula of loose object orifice flowage of loose object mechanics, this paper constitutes three type quasiliquid safety and arming device mathematics models by force analysis
為了為引信準流體機構設計提供理論指導,提高準流體引信性能及其可靠性,本文以散體力學散粒體孔口流動經驗公式出發,結合典型準流體機構具體結構,通過受力分析,建立了離心力驅動、彈簧力驅動和離心力與彈簧力相結合驅動三種典型準流體延期解除保險機構地解除保險過程數學模型。This thesis first studies the hydrokinetics, heat transfer characteristics, combustion and dynamics of cfbb. three types of single fuzzy controllers and a kind of synthetically fuzzy controller are designed, through the analysis of the control system of a certain plant
本文通過對循環流化床的流體動力學特性、傳熱學特性、燃燒特性和動態特性等方面的研究,設計了三種單模糊控制器和一種綜合模糊控制器,分析了某一電廠實際控制系統,並對方案進行了比較。Through the study on the character of hydrokinetics and heat transfer and combustion and dynamic of cfbb, three kind of single fuzzy controllers and a kind of synthetically fuzzy controller are designed, and control system is analyzed in some one power plant, and the three kind of control scheme are simulated on deferent objects
本文通過對循環流化床的流體動力學特性、傳熱學特性、燃燒特性和動態特性等的研究,設計了三種單模糊控制器和一種綜合模糊控制器,分析了某一電廠實際控制系統,並對這三種控制方案進行了變對象的模擬。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。Specification for design and construction of reservoirs used in hydraulic fluid power systems
液壓流體動力系統用儲液器的設計與建造規范Plain bearings ; hydrodynamic plain journal bearings designed for operation under steady - state conditions ; design of circular cylindrical bearings
滑動軸承.設計用於穩定狀態使用的流體動力徑向滑動軸Plain bearings ; hydrodynamic plain journal bearings designed for operation under steady - state conditions ; operational parameters necessary when designing circular cylindrical bearings
滑動軸承.設計用於穩定狀態使用的流體動力徑向滑動軸In accordance with the principle o f fluid - dynamics, high capacityfluid - dynamic dewatering equipment for micro pa rticales is designed and its advantages in both technology and economics are des cribed
根據流體動力學原理,設計了一種針對微細粒的高效流體動力型脫水設備,並從技術和經濟上論述了其優越性。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。Based on the commonly used strip theory with the extension of taking into account the instantaneous variation of the wetted hull surface during the motion and its effects on the ship hydrodynamic characteristics, this dissertation mainly calculates the ship motions and loads in waves in time domain and elementarily investigates some nonlinear characteristic of ship motion and hydrodynamic coefficient. it is hoped that the research had an engineering value for the predication and evaluation of seakeeping performance in the concept ship design stage
本文基於擴展的切片理論,計入船體運動時濕表面的變化及其對船體流體動力性能的影響,在時域內計算了船舶在波浪中的運動和載荷,並對船舶水動力系數及運動中的一些非線性因素進行了初步的探討,本文的研究對船舶設計階段的耐波性能評估具有工程實用價值。Numerical prediction of ship hydrodynamic performance at design stage using computational fluid dynamics ( cfd ) technique is a most important and challenging subject in the field of ship hydrodynamics. with the rapid development of computational methods and computer technology, cfd is becoming a practical tool in ship design
採用計算流體動力學( cfd )技術實現在船舶設計階段對船舶水動力性能的精確預報,是船舶水動力學學科中一個具有重大理論和實用意義的、富有挑戰性的課題。On hydrodynamic design of underwater supercavitating high speed vehicle
水下超空泡航行體流體動力設計原理研究The method not only brings a new method for the calculation of the hydrodynamics of ship hull, but also provides an interface effect having no sew between the ship computer aided design ( cad ) and ship computational fluid dynamics ( cfd )
它不僅為船體水動力的研究帶來了新的處理方法,而且在船舶計算機輔助設計與船舶流體動力學之間起到了無縫的介面作用。Elastohydrodynamic lubrication for engine connectring rod bearings
內燃機連桿軸承的彈性流體動力潤滑設計Along with the development of computer scientific techniques and wide appliance in shipbuilding, numerical method based on cfd technique has become an effective tool for predicting the resistance and optimum design of ships
隨著計算機科學技術的發展及其在造船學科的日益廣泛的應用,基於計算流體動力學( computationalfluiddynamics , cfd )技術的數值計算方法已成為預報船舶阻力和優化設計船型的有效工具。In the aerodynamic optimization design of turbomachine, the approximation model methods enable to balance the computational cost and accuracy, whose successful applications in centrifugal compressor impeller, diffuser, and mixed - flow pump impeller designs are introduced to show a wide engineering foreground
基於統計學理論提出的近似模型方法有效地平衡了基於計算流體動力學分析的葉輪機械氣動優化設計中計算成本和計算精度這一對矛盾,在離心壓氣機葉片擴壓器、葉輪和混流泵葉輪設計等問題中得到了成功應用,展示了廣闊的工程應用前景。Plain bearings ; hydrodynamic plain journal bearings designed for operation under steady - state conditions ; functions necessary when designing circular cylindrical bearings
滑動軸承.穩態運行條件下設計用流體動力普通徑向軸承Especially, the approximation model methods can be applied to the aerodynamic optimization design instead of the time - consuming computational fluid dynamics ( cfd ) analysis to shorten the design process and reduce the computational cost
在氣動優化設計過程中,用該模型取代耗時的高精度的計算流體動力學分析,可以加速設計過程,降低設計成本。To estimate the influence of the flatness ratio on hydrodynamic performance, a group of torque converters with different widths were investigated by cfd simulation to improve the power diversity and reduce the mass based on the variable - width circulatory circle torque converter design method
摘要在變寬度循環圓設計方法的基礎上,為提高液力傳動系統功率密度,減輕質量,對幾組不同寬度比循環圓的變矩器進行了cfd (計算流體動力學)數值模擬,藉以評估對其整體傳動性能的影響。On the basis of the description of the structure, mechanism and conventional designing methods of the hydrodynamical sealing device of slag pulp pumps, the paper highlights the designing method for the optimized solution finding where the power consumption of the sealing device is taken as the object function
在闡述了渣漿泵的流體動力密封裝置的結構、原理及常規設計方法后,著重介紹了以該密封裝置的功耗為目標函數進行優化求解的設計方法。分享友人