管間耦合 的英文怎麼說
中文拼音 [guǎnjiānǒugě]
管間耦合
英文
intervalve coupling- 管 : Ⅰ名詞1 (管子) pipe; tube 2 (吹奏的樂器) wind musical instrument 3 (形狀似管的電器件) valve;...
- 間 : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
- 耦 : Ⅰ動詞[書面語] (兩人並耕) plough side by sideⅡ名詞1 (古農具名) plough2 [書面語] (兩人一組) a...
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 管間 : intertube
- 耦合 : [物理學] coupling; interconnection; catena; linkage; linking
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Second, the starting and stopping behaviors under disturbed condition are analyzed and calculated by using the dynamic concentrative parameter model, which gives some advice to better prescribe refrigeration system and set theoretic foundation for carrying out automatic control of refrigeration system. third, the normal running process is analyzed and calculated by means of rational matching theory, which gives some advice on how to better understand the parameter change under steady state and the affection of inlet - parameter on evaporator. fourth, the simulation software with dynamic characteristic is designed, which can be applied to calculate thernio - parameter of cryogen, air humidity and frost thickness under different initial and boundary conditions, and to carry out dynamic simulation under conditions of dryness, wetness and frostiness, at the same time, to achieve detection and simulation at any stage from starting to stopping
本文的主要內容如下: 1 )對翅片管蒸發器結構特點進行分析,選取適當的微元控制體,就干、濕和霜工況下對每個微元分別進行傳熱傳質分析,基於經驗關系式確定霜的有關參數,對于霜工況下的霜生長建立模型,經適當假設,運用質量守恆、能量守恆和動量守恆方程建立適合動態模擬的蒸發器數學模型,為系統模擬奠定基礎; 2 )對蒸發在大擾動下的開、停機過程,運用動態集中參數模型進行分析和計算,為更好地描述製冷系統運行的全過程奠定基礎,同時也為製冷系統實現自動控制提供一定的理論基礎; 3 )對蒸發器正常運行過程,運用動態分佈參數和參數間定量耦合的觀點來分析和計算,為更好地了解穩態工況下各點參數的變化情況及各入口參數對蒸發器動態特性的影響即蒸發器性能對各參數變化的敏感性; 4 )編寫翅片管蒸發器動態特性模擬計算程序,可以計算不同邊界條件和初始條件下的製冷劑熱力參數、空氣溫濕度和霜厚度分佈場,實現對翅片管蒸發器在干、濕和霜工況下的動態模擬。Vortex - induced vibrations of a submarine pipeline and the concomitant scour around the pipeline with close proximity to an erodible seabed are a complex dynamic interaction between current, pipeline and seabed
摘要海底管道渦激振動和管道周圍海床沖刷是海流管道海床之間復雜的動力耦合問題。In recent years, plentiful and substantial fruits achieved by the lb method in simulations of hydraulics, multiphase flows, flows in porous media and heat transfer as well as magnetohydrodynamics, have revealed a broad perspective of application of this method, it will become a powerful competitor to the conventional approaches. in order to absorb the recent achievement in theory and application of the lb method, explore new ways in hydraulic computation to promote the development of practice, some work is car ried out in this thesis, as following : advances in the theory research and application, deductive process of the d2q9 model and some other commonly used models of the lb method are summarized. based on the hydrodynamic and general boundary conditions, a new joint boundary condition is presented, it integrates advantage of the two conditions above and obtains very good results in dealing with all kinds of boundaries of flow fields
為了消化和吸收近年來lb方法在理論和應用方面的新成果,探索在水力計算方面的新途徑以促進lb方法實用化的發展,本文進行了下列研究工作:綜述了lb方法在理論研究和實際應用方面的新進展,以及d2q9模型的推導過程和其他一些常用的模型;在水動力邊界條件和通用邊界條件的基礎上提出了一種新的聯合邊界條件方法,它綜合了上述兩種邊界條件的優點,在流場的各種邊界處理中取得了非常好的效果,經過模塊化的處理以後這種邊界條件具有更好的實用性;針對均勻網格的lb方法計算效率較低的不足,提出了雙重網格的latticeboltzmann方法,通過二維poiseulle流動、后臺階流動和渠道方槽流動三個算例的模擬,證明這種方法能夠明顯地提高流場模擬的計算效率;此外,根據復雜區域流場的特徵提出了latticeboltzmann方法的分塊-耦合演算法,利用lb方法的計算特性實現塊與塊之間的數據交換,充分利用計算資源提高計算效率,通過對「 t 」型、 「十」型和「 x 」型分岔管道流場的模擬,展示了這種演算法的特徵和優點,以及它所具有的應用前景。The point of common coupling ( pcc ) is a bus which connects the customer and utility. the research of harmonics and its components at pcc is a valid way to distinguish the responsibility between customer and utility and to manage the harmonic producer
公共耦合節點( pcc )是聯繫系統和用戶之間的那條母線,研究公共耦合節點處的諧波含量及其中的諧波成分是明確用戶和系統責任所在以及管理產生諧波用戶的一個行之有效的方法。The coupling from the pulse jet in the nozzle to the unsteady flow in the tube was discussed. and the relations between the parameters of gas charge and discharge, structure, working, flowing in tube and ideal cooling efficiency were established. the theory foundation of the influence of pulse jet on the flowing in the tube and characteristic would be built
探討了脈動射流與管內非定常流動的耦合問題,建立了脈動射流有關參數如進、排氣參數、結構參數、運行參數等和振蕩管內流動參數及理想製冷效率之間的普遍聯系,為研究脈動射流參數對振蕩管內流動及其性能的影響打下了理論基礎。In this paper, the method of dimensional analysis is used to analyze the interaction between ocean current, pipeline and seabed, and the similarity laws that should be followed in the small - scale laboratory experiments are established
文章應用量綱分析方法對海流、管道與海床之間的動力耦合作用進行了分析,確定了在實驗模擬中應遵循的相似準則。Using plots with water and fertilizer fully controlled, the effect of photosynthetic characteristic and yield under different treatments of water and fertilizer coupling was investigated. the result showed that photosynthetic rates are different among treatments of water and fertilizer coupling, and the change of stomatal conductivity is the same as photosynthetic rat. there is almost no influence on evaporation rate and cellular co2 concentration the combination of fertilizer and manure under natural rainfall is beneficial to the maintenance of photosynthetic rate during grain filling, thus results in highter yield and good quality. however, the coupling of fertilizer and manure with sufficient water results in the decline of photosynthetic rate and stomatal conductivity, the yield decreased indicating there has a balance ratio between water and nutrients ( fertilizer and manure ) supply. the study proposed that the optimum management to exploring yield and qlality potential is the combination of fertilizer and manure application with no irrigation
利用可精確控制水分條件的水肥平衡場,在不同水肥耦合處理的條件下,研究了水肥耦合對玉米光合特性及產量的影響,結果表明:不同水肥耦合處理的條件下,玉米的光合速率有所不同,氣孔導度的變化與光合速率的變化表現基本一致,而對蒸騰速率、細胞間co2濃度影響不大.其中,在自然降水條件下,有機肥和無機肥的配合,有利於玉米子粒灌漿期維持較高的光合速率,表現出良好的產量潛力.充足水條件下,有機肥和無機肥的配合,光合速率及氣孔導度表現較低,表現產量有所下降,說明供水量與施肥量之間有一個平衡系數.表明黑龍江省北部黑土區自然生態條件下,為充分發揮玉米的產量潛力,最佳的管理措施是增施無機肥和有機肥的配合This model manages remote invokes through event driving, and supports two asynchronous invoke model such as asynchronous call back and polling ; the model uses router as message " store - forward " mechanism, and guarantees time independent invoke of loosely coupled application ; the model extends the traditional corba addressing way, defines a kind of logic object address, which can support object migration of loosely coupled application and increase transparency of object location ; the model also defines object group address, which supports message multicast and implements " i - to - n " communication model
該模型採用事件驅動的方式管理遠程調用,支持異步回調和異步輪詢兩種異步調用模式;模型採用路由代理作為消息的「存儲-轉發」機制,保障了松耦合應用的時間無關調用的需求;模型擴展了傳統corba的尋址方式,定義了邏輯對象地址,能夠支持松耦合應用的對象遷移,提高了對象定位的透明性;模型還定義了對象組地址,支持消息組播,實現了「一對多」的通信模式。 2This paper acquires managing stock informational system which is highly cohesive, loosely coupled, highly credible, easy to maintain and extend by means of unified modeling language ( uml ) and object - oriented rds ( vfp ) over the life cycle of software
摘要採用統一建模語言( uml )和面向對象關系型數據庫( vfp )相結合,在軟體生命周期內採用面向對象的方法和工具實現庫存管理信息系統,在較短時間內得到了高內聚、低耦合、可靠性高、易於擴展、維護的系統。According to the test conditions, the double polarity inputting mode is adopted in the circuit of voltage - frequency converting part ; storage batteries are used in the optical emission part of optical fibre isolating and transmitting device, that can guarantee isolation between the main circuit and the testing system ; the 89c51 singlechip is used in the singlechip testing - controlling unit, the peripheral circuits are extended, data are transmitted through the serial port in this part ; the p opular software delphi5. 0 is used in the pc part, the communication between singlechip and pc by serial port, plotting of current wave, regulation of data ; the optical - electrical isolating and triggering are used in the controlling part, this can guarantee the veracity and reliability of breakers triggered, this triggering mode is also used in the triggering of the main closing breaker, the tested breaker and the assistant breaker, the triggering signals are sent out by a singlechip
壓頻轉換部分電路中根據實際情況採用了雙極性輸入方式;光纖隔離傳輸裝置的光發射部分電源採用了蓄電池供電,確保了主迴路與測試迴路的完全隔離;單片機測控部分採用了89c51單片機,擴充了外圍電路,通過串口向pc機傳送數據; pc機與單片機之間的串口通訊、波形繪制、數據管理等都採用了軟體delphi5 . 0編寫。該測試系統中預留了輸出口,可以對合成迴路中的主合閘開關、被試開關、輔助開關進行觸發,信號由單片機發出,控制部分採用了光電耦合隔離觸發的方法。軟體設計主要集中在對電流信號的數據採集、數據處理、數據傳送、人機界面、波形繪制和數據管理,軟體部分又可分為單片機和pc機程序設計兩大部分。The third, some groping researches are made on broadband coaxial line filter output circuit of klystron. a broadband output circuit - mode four coupling slots double - gap output cavity loaded with coaxial filter, which has a workable relative bandwidth bigger than 14 % and fits in with l - band multi - beam klystron, is designed. meanwhile some analysis of its stability and peak power capacity is made
第三,對速調管同軸線濾波器寬帶輸出迴路進行研究和探索,設計出了一個適合用於l波段多注速調管、相對帶寬超過14的四耦合槽模強耦合雙間隙腔加載同軸線濾波器輸出迴路,並對其穩定性和峰值功率容限做了一些分析。By a large amount of calculations, the influence of the structure dimensions and the dielectric parameters on dispersion characteristic and coupling impedance of this kind of slow - wave structure is obtained. then, the linear beam - wave interaction theories of the arbitrarily - shaped helical groove waveguide and the dielectric into the arbitrarily - shaped helical groove waveguide are deduced. by the numerical calculations, the relationship is got between the small signal gain, bandwidth, electromagnetic " hot " velocity and the electronic beam, the structural parameters
通過數值計算,獲得了此類慢波結構的色散特性和耦合阻抗隨結構幾何尺寸和介質參數的變化規律;在此基礎上,建立了任意槽形螺旋槽及中心加介質棒的任意槽形螺旋槽行波管的注-波互作用線性理論,並編製程序,計算了管子的小信號增益、帶寬、電磁慢波的「熱」相速與電子注參數、結構參數之間的關系,獲得了增加帶寬或增益的途徑。Basing on the foreshore digital terrain model and with the help of gis platform, the function of spatial information management and foreshore terrain analysis is integrated in the system, and coupling query and sql query are realized in it, too. the system has been used for several layout projects, and the effect has benn proved good
以灘塗數字地形模型為基礎,藉助于地理信息系統平臺,系統集空間信息管理和灘塗地形分析功能於一體,實現了多種數據的耦合查詢、條件查詢等,並且參與了相關項目的規劃工作,實踐證明效果良好。The unfavorable factors contain complicated production technology and wayward product quality, etc. first of all, on the basis of analyzing performance index of 3 - layer pe anticorrosion, technological process and operational environment, this paper advances the synthetic control schemes that have constant compound control of temperature and feedback control of speed. considering the production process of the 3 - layer pe, because it is affected by colloidized time of fbe, relatively strong coupling exists between the temperature and speed. through the rational matching and simplifying of the variable, the system realizes uncoupling
首先在分析三層pe防腐層性能指標、工藝過程及工況條件的基礎上,提出了溫度復合控制和速度反饋控制的綜合控制方案;考慮到三層pe生產過程中,由於受fbe膠化曲線的影響,溫度和速度之間存在較強的耦合,本方案通過合理的變量搭配,實現兩種變量的解耦;文中還依據傳熱理論、中頻感應理論等提出鋼管傳熱過程理論建模的方法,經實際驗證,表現出該方案和建模方法的科學性和實用性。The ml converter is a multi - input and multi - output, strongly coupled nonlinearly system, its control elements ( duty cycles ) and the controlled elements ( output voltage and flying capacitor voltages ) of the ml converter are strongly coupled, so the system should be decoupled to multiple single - input and single - output sub - systems such that each output can be controlled independently
多電平變換器的控制量(各開關管占空比)和被控量(輸出電壓及各飛跨電容電壓)之間存在耦合關系,它是一個多輸入多輸出、強耦合的非線性系統,因此需要將其解耦成多個單輸入單輸出系統,以對被控量進行獨立的閉環控制。So a new kind of microwave cavity - mode strongly coupling double gap cavity, which has higher characteristic impedance, smaller volume and fits in with lower frequency band multi - beam klystrons, is proposed
並提出了一類新型的、具有較高特性阻抗和較小體積的低頻率波段多注速調管輸出腔?模強耦合雙間隙微波諧振腔。This system can decrease the coupling influence of controlled objects, and has good anti - interference performance, so it can completely satisfy the need of coking craftwork. additional, the algorithm is so simple that it can be realized by plc and uses in practical production of coke oven process successfully
實際運行結果表明,該集氣管壓力解耦控制系統具有較好的動、靜態品質,能減小被控對象之間的耦合作用,抗干擾能力強,完全能夠滿足煉焦工藝要求,而且該控制器演算法簡單,能由plc加以實現。The conveying medium in pipe has great effect on buried pipeline ’ s damage, its flow pattern, temperature, pressure change, velocity, all of these can influence the shell of pipe and its stress distribution. so it is very important to analyze the fluid - pipe coupling
管道內部的輸送介質對管道破壞影響也很大,管內介質的流態、溫度、壓力變化、流速等對管壁變形和應力分佈都有影響,故管道內流體和管道間的耦合分析對地下管道破壞分析很重要。The ldap directory service is a cross platform service, based on the ldap unified user management system, provided the distribution access and the management different application system information resources ability for the urp platform. it simplifies the system resources maintenance and the management, realizes the seamless connection which between the application system access. meanwhile, the modular system structure guarantees the characteristic of independence and loose coupling system level
Ldap目錄服務是跨平臺的服務,基於ldap的統一用戶管理系統為urp平臺提供了分散式訪問和管理不同應用系統的信息資源的能力,簡化對系統資源的維護與管理,實現了應用系統之間訪問的無縫連接,同時模塊化的系統結構保證了系統的層次獨立、鬆散耦合的特性。By way of analysis of heat transfer process of the field - test model, the author formulated a 3 - dimensions heat transfer model which is correspondent to actual performance of buried pipe - in - pipe heat exchanger. coupled with field testing data, the short and long term operation features has been thoroughly analyzed by finite element solution and forward finite - difference analysis of the heat transfer differential equations of buried pipe - in - pipe heat exchanger. by interpreting regularity of continuous and intermittent operations of buried pipe - in - pipe heat exchanger, its heat transfer mechanism has been further explained in this thesis
本文通過對試驗模型熱過程的深入分析,建立了與實際地下埋管換熱器結構參數相吻合的三維傳熱數學模型,通過有限單元法和向前差分法求解相應微分方程並對分析結果進行關聯耦合,詳細分析了埋管換熱器的短期和長期運行特性,對地源熱泵套管式埋管換熱器連續運行、間斷運行規律進行了解析,進一步弄清了埋管換熱器的傳熱規律。分享友人