推流系統 的英文怎麼說
中文拼音 [tuīliúxìtǒng]
推流系統
英文
plug―flow system- 推 : 動詞1 (向外用力使物體移動) push; shove 2 (磨或碾) turn a mill or grindstone; grind 3 (剪或削...
- 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...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
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It further discusses the operation mechanism of the system of agrotechnical diffusion and indicates that the essence of technical diffusion is information diffusion, and the system depends on the course which information flows from the fountainhead to the receivers. and it analyzed the ingredients which influence the information flowing in the system. intruding shannon ’ s information
進一步探討了農業技術擴散系統的運行機制,並指出,技術擴散實質是信息的傳播,是建立在信息從信息源到接收者之間的流動過程,對技術推廣系統中影響信息流動的因素進行分析,引入shannon的信息熵計算方法,對信息接受者的信息接收含量進行測度,通過對所得的數值進行比較,運用定量與定性分析相結合的方法證明技術推廣活動的效率。Different equations to corresponding components are presented by analysing and transformating the general equations of fluid routes, then static characteristics mathematical model of liquid propellant space propulsion system is presented. based on the data of static characteristics calculation, mass model of thruster, propellant, propellant tank, gas, gas bottle, pipe and valve is presented using both the method of statistical regression and the method of stress analysis, then corresponding mass model is presented. based on the characteristics of liquid propellant space propulsion systems, analyse the five phases ( concept and definition, design and improvement, manufactureing and arrangement, operation and ma intenance, disposal ) in which life cycle cost of liquid propellant space propulsion systems is cost separately, then discompsed structure of life cycle cost and model of life cycle cost are presented
將組件分成氣路組件和液路組件,再對氣路組件和液路組件進行相應的分類,然後通過對通用流路方程進行分析和變換對不同類型的組件分別建立不同的方程,從而建立了一個適用於液體推進劑空間推進系統的靜態數學模型;根據靜態計算所得到的數據,應用統計回歸法和應力分析法分別建立推力室、推進劑、推進劑貯箱、氣體、氣瓶以及導管和活門等的質量模型,從而建立相應的質量模型;結合液體推進劑空間推進系統特點,對液體推進劑空間推進系統全壽命周期費用發生的五個階段(概念和定義、設計和改進、製造和安裝、運行和維修、處理)分別進行分析,建立了液體推進劑空間推進系統全壽命周期費用分解結構和全壽命周期費用模型。( 3 ) an efficient discovery method for useful data items is proposed. at first the definition of useful data items in distributed dsms is given, then the discovery method of single input data streams is extended to multiple environment and get the algorithm, which can solve the problem efficiently
給出了分散式數據流系統中有效數據的概念,將單輸入數據流的數據識別技術推廣到多輸入數據流環境,給出了一種有效數據識別演算法,該演算法較好地解決了分散式數據流應用中的有效數據識別這一技術問題。This paper based on the man and machine system theory, aims at the bottleneck problem exit in the automatic manufacturing system - material handling system. the paper puts forward a new material delivering equipment - semi - automatic guided vehicle, which is used to replace the agv ( automatic rail guided vehicle ) in ams ( advanced manufacturing system ), to make up its defects, such as high cost, great technical difficulty, low reliability, and difficult to spread in our country etc. the paper brings forward a new technique of communication that is combining mailslot with windows socket
本文以人機一體化系統理論為基礎,針對製造自動化系統目前存在的瓶頸問題?物流系統,提出開發一種全新的送料設備?半自動無軌運輸車,用來取代ams (先進製造車間)中的agv (自動導向小車) ,彌補其製造成本高、技術難度大、可靠性不高、在國內難以推廣的缺點。According to the relationship between characteristics of the traffic flow and traffic congestion, fuzzy logic is adopted to partition the basic parameters ( mean velocity and flow volume ) into several fuzzy subsets, then fuzzy inference system is established to generate loc
通過分析交通流基本參數與交通擁擠現象之間的關系,本文運用模糊數學的方法對交通參數(交通流量和平均速度)以及擁擠度進行描述,建立了交通擁擠度的模糊推理系統。The integral calculus formula is deduced, in which the first derivative of physical measures of system with respect to time equals the partial derivative of physical measures of control field to time plus clear flux of physical measures passing the control line within unit time
推導出交通流系統所具有的物理量對時間的全導數的積分公式,即系統內物理量對時間的全導數等於控制域內該物理量對時間的偏導數與單位時間經過控制線的該物理量的通量之和。Using the two - stream fluid model, the linear dispersion relation is derived assuming a two - dimensional spatial geometry. two cases are considered, one is that the 2d spatial geometry is defined by the plane containing the two counterstreaming electron populations and the perturbation wave vector ( referred as the xy plane ), and the other is that the geometry is defined by the plane being vertical to the two counterstreaming electron populations ( referred as the yz plane )
對高能束流和電子迴流構成的雙流系統,建立冷等離子體流體模型,採用簡正模分析方法,分別考慮擾動波矢在平行於電流傳播方向的平面(記為xy平面)上和在垂直於電流傳播方向的平面(記為yz平面)上這兩種情況,推導了不穩定性的色散關系。With the theory of electromagnetic field and the theory of hydrodynamic, a 2 - d mathematics model of internal planar ac - mhd thruster is built
從電磁場和流體力學的理論出發,建立了交流磁流體推進系統的二維數學模型。Typical application of electric propulsion system used on ac converter
交流變頻調速電力推進系統的典型應用A mathematics model in the form of differential equation was constructed base on the theory of motor timing. then the model was changed into the form of transfer function. with the help of matlab, the model in the form of transfer function can be easily solved
應用交流電機調速理論,建立了船舶電力推進系統的微分方程形式的數學模型,再將其轉化為傳遞函數形式的數學模型,應用matlab語言進行了動態特性模擬計算。In this paper, we focus on some typical nozzles of micron dimension being developed for micro - propulsion system in and abroad, and make modeling and simulation analysis of the performance of rarefied flow in the micro nozzle
本文針對國外研製的微推進系統所用典型微米級噴管,對稀薄氣流在微噴管內的流動性能進行了建模和模擬分析。With the rapid development of micro - satellite technology in china, micro nozzle being the key component of the micro - propulsion system has been paid much effort of research, in this realm, the simulation of rarefied flow in the micro nozzle is the key step for the design and performance improving of micro nozzle
隨著我國微小衛星研製的大力發展,作為微推進系統關鍵部件的微噴管研究成了重要的研究課題之一,對微噴管內流場稀薄氣流的模擬分析是微噴管設計和性能改善所需要解決的關鍵問題。In this papef, the torpedo ' s counterrotating propulsion dc motors ( including series excitation motor and permanent magnetic excitation motor ) are the core to stlldy ; combining the characteristics of battery shiffing electrical equipment and counterrotating propellers, the mathematic models of the torpedo ' s electrical counterrotating propulsion system ( including the mathematic models of the propulsion motors and the zn / ago battery and the shifting electrical equipment and counterrotating propellers ) are established
本論文以雙轉魚雷直流推進電機(包括直流串勵電動機和永磁他勵電動機)為研究重點,結合鋅銀電池組、變速電器、對轉螺旋槳的特性,建立魚雷電動力推進系統的數學模型(包括推進電機、鋅銀電池、變速電器和對轉螺旋槳等的數學模型) 。In these mathematic models, the essential vedables are propulsion motor ' s input voltage, input currefit and outpllt rotate rate and output torque. with these variables, the transient process of torpedo ' s electrical counterrotating propulsion system is studied both in quality and in quantity by computing its mathematic models
在這些數學模型中,以推進電機的輸入電壓、輸入電流、輸出轉矩和輸出轉速等為基本分析變量,對魚雷電動力推進系統的暫態過程進行定性定量的分析。The system eliminates the conventional rotating driving components, the absence of mechanical propeller system will lead to a reduction in the mechanical noise generated and make the arrangement of ship more expedient
由於磁流體推進取消了傳統的螺旋槳推進系統中的螺旋槳、傳動軸、減速齒輪等轉動裝置,因此,它具有噪音小、布局靈活等優點。To meet the needs for wider surge margin of the turbofan engine, a new model was developed to predict the characteristics of the fan / high pressure compressor and turbine in this thesis. several ways, including, variable inlet guide vanes of the fan, variable guide vanes of the high pressure compressor, the variable inlet area ratio of the mixer and the nozzle areas, were presented to enlarge the surge margin of the turbofan engine. meanwhile, a method of combined variable geometries for optimizing controls of inlet guide vanes of the fan, guide vanes and the first two stators of high pressure compressor, area ratio of mixer and noz zle areas was established
為了滿足下一代作戰飛機對推進系統的性能和穩定性要求,本文建立了壓縮系統特性和渦輪特性的新模型,並分別採用改變渦扇發動機風扇進口導流葉片、壓氣機導流葉片和前兩級靜葉片、混合室進口處內、外涵面積比和尾噴管面積,研究了其對發動機性能和穩定性的影響,進而得出了渦扇發動機變幾何擴穩的方法,為發動機變幾何擴穩研究打下理論基礎。These environmental changes of logistic system, in additional to the development of the logistics and information technology, have speeded up the innovation of logistic system of different types of logistic enterprises and the development of the course of supply - chain management
這些物流系統的環境變化加上物流技術及信息技術的發展,推動了不同類型物流企業物流系統的革新及供應鏈管理這門學科的發展。Conventional dc electric propulsion system always takes up dominant station in submarine propulsion. due to dc motor inherent limitation that machine commutation and brush results in stand - alone capability ' s limit low reliability, big noises, people manage to explore more quiet, high efficient and reliability, big stand - alone capability propulsion motor
傳統的直流電力推進系統一直在潛艇推進中占據主導地位,但由於直流電機本身固有的缺陷即有機械換向器和電刷從而導致單機容量有限和可靠性不高、噪音大,迫使人們探索更加安靜並且高效可靠、單機容量大的推進電機。The main effects on cavitation performance of large - scale mixed flow pump used in a special propulsion system are analysed
摘要分析了用於推進系統的大功率混流泵影響汽蝕特性的主要因素。The double - rotor permanent magnet brushless dc motor can be used in opposite - direction - thrust systems
雙轉式永磁無刷直流電動機主要應用在對轉推進系統中。分享友人