節流方程 的英文怎麼說

中文拼音 [jiéliúfāngchéng]
節流方程 英文
orifice equation
  • 節 : 節構詞成分。
  • 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...
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 程 : 名詞1 （規章; 法式） rule; regulation 2 （進度; 程序） order; procedure 3 （路途; 一段路） journe...
  • 節流 : 1. （節省經費開支） reduce expenditure 2. [工業] orificing; choke; throttle down, throttle back; throttle
  1. Various sensors that are besotted in the 3d world through vrml can effectively sense all kinds of operators " behaviors ; java byte codes that are besotted in the interface between vrml and java through the " script " node can finish difficult tasks. so the alteration can be concluded as follows : operators touch parts of the shelf, and the java byte codes execute the relative function, finally results are reported to the operators. ( 3 ) through detailed studying the working function of the throttling experiment, i constructed a mathematical model of the experiment and simulated the model

    Vrml可以在瀏覽器環境中為3d實驗臺模型添加多種感知器，能夠良好地感知操作者的各種意圖；在vrml和java技術的介面中，可以利用java程序代碼來完成一些復雜的任務，從而實現了實驗的交互：實驗者感知實驗臺的各種儀器，程序完成相應的任務，然後返回相應的結果； 3 ）仔細研究了節流調速實驗的液壓迴路原理，對實驗過程建立了相關數學模型，進行模擬分析並獲得了模擬結果，實現了基於模型驅動方法的虛擬實驗； 4 ）實驗臺遠程訪問的實現。
  2. The change of indoor contaminating material concentration is dynamical simulated by adjusting the flow of fiowrator. at the same time, the path formulas of simulate pollutant source is modified by experiment, and providing theoretical base for dynamic simulation

    通過調節轉子流量計的流量來達到動態模擬室內污染物質濃度的變化情況，並根據對實驗結果的修正得出裝配式潔凈室室內模擬污染源的軌跡方程，為動態模擬提供了理論依據。
  3. We can get the flow rate of pipelines and the hydraulic pressure of nodes by solving the equation sets of nodes, and corresponding application program is developed

    通過解節點方程組的方法求解管網的管段流量和節點水壓，並編制了相應的應用程序。
  4. Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied

    本文針對電站風機性能監測系統研究較少的現狀，在實驗的基礎上分析了現場加裝進氣箱和由於安裝造成的導流器葉片開度不一致對風機性能曲線的影響，並在此基礎上採用無節流方法測量流量，以風機調節性能曲線為依據，建立了基於徑向基函數（ rbf ）神經網路的風機流量全程監測模型；以實驗室4 - 73no . 8d離心風機為研究對象，探討了rbf神經網路差壓模型在變轉速、變導流器開度和變管網阻力等工況下的應用精度和誤差分佈規律；最後用visualc + +語言開發了風機性能在線監測系統。
  5. Analysis is made on structure characteristics of the finned - tube, and analysis has been made on the special heat and mass transfer principle of every micro - unit under both dry and wet conditions. appropriate hypothesis is made and based on the energy, mass and momentum equivalent, the evaporator models of dynamic distributed parameters are set up. in addition, the gascooler and internal exchanger models of dynamic and distributed parameters, the throttling valve models and the compressor models are set up, too

    本文的內容如下： 1對翅片管蒸發器的結構特點進行分析，選取適當的微元體，對于干、濕工況下每個微元分別進行傳熱傳質分析，通過適當的假設，利用質量守恆方程、能量守恆方程和動量守恆方程建立了蒸發器的分佈參數數學模型；對回熱器劃分微元建立了分佈參數數學模型；對氣體冷卻器建立了分佈參數數學模型；對壓縮機建立了數學模型；建立了節流閥的數學模型，為系統模擬奠定了基礎。
  6. With the basic theory of air buffer, aiming to the key segment for modeling - flow equation and gas buffering process, theoretical analysis with experimental data is helpful to realize the modeling and simulation research. 3

    介紹了氣動緩沖的基本理論，通過機理分析建立了被研究對象的數學模型，針對建立精確數學模型的關鍵環節? ?流量方程和氣動緩沖過程，提出機理分析與實驗建模相結合的建模方法，並進行了模擬和實驗研究； 3
  7. Through analyzing the figure of energy wasting of pump, the quality in pipes is direct proportion of the speed of pump if the speed of pump is reduced. the power of electromotor fell the cube of the speed of pump. so the energy wasting of constant pressure water supply based on variable frequency speed regulating technology is envident less than the traditional mode is used throttle to supply water

    分析水泵工況的能耗比較圖，可以看出利用變頻調速實現恆壓供水，當轉速降低時，流量與轉速成正比，功率以轉速的三次方下降，與傳統供水方式中用閥門節流方式相比，在一定程度上可以減少能量損耗，能夠明顯節能。
  8. It has a long history using a throttle device to measure the flow volume of fluid in pipe the method has formed normalization at home and abroad the principle is to make the flow bunch form the particial shrink at the place where the throttle part is located so as to produce a static pressure difference then measure and calculate the flow volume at the moment when the fluid is flowing through the throttle device by the static pressure measured this method is based on the law of conservation of energy and the equation of flow continuity

    用節流裝置測量管道中流體流量已歷史悠久，在國內、國際上都已標準化，其原理是使流束在節流件處形成局部收縮，產生靜壓力差，通過測量靜壓力差來衡量流體流過節流裝置時的流量大小，這種測量方法是以能量守恆定律和流動連續性方程為基礎的。
  9. Overflow cofferdam and iversion tunnel are used offen to diverse the flow especialy where or the river discharge changing widely. there are many rivers in mountainous area in our country, so this kind of cofferdam is used relatively frequently in river divertion during construction

    過水圍堰和導流隧洞相結合的導流方式對于流量季節性變化懸殊的河流具有一定的適用性。我國的山區性河流較多，因此這種圍堰過流的導流方式在施工導流工程中較為常用。
  10. Based on the observation data such as coads and soda, the main climatological features of the tropical indian ocean and relationships of sea surface temperature ( sst ), heat budget with ocean dynamics and thermodynamics processes are analyzed ; the seasonal and interannual variability of the tropical indian ocean are well simulated using a ocean general circulation model ; based on the thermal equation and model output data, the variation mechanism of sst and heat budget are investigated in the tropical indian ocean ; besides, the effect of seasonal variation of wind stress, ekman pumping and horizontal diffusivity on the ocean current and heat budget are studied, using both ideal model and complex model

    本文根據coads 、 soda等實際觀測資料，較全面的分析了熱帶印度洋主要的氣候特點，並研究了海表面溫度（ sst ） 、熱收支與海洋動力、熱力過程的聯系；利用全球海洋環流模式較好地模擬出熱帶印度洋的季節和年際變化；基於熱力學方程和海洋環流模式輸出結果，探討了熱帶印度洋sst和北印度洋熱量收支的季節和年際變化機制，進一步揭示了海洋動力過程在北印度洋熱平衡中的重要作用；在此基礎上，利用理想化的數值試驗與數值模擬結果相結合的方式，證實了風應力的季節變化和ekman抽吸，以及水平熱量擴散系數對北印度洋海洋環流和熱收支的影響。
  11. In this paper, we aim at establish heat and mass coupled transfer model in the building wall, the emphasis of this study lies in creating a coupled and non - linear diferential equation system for the heat air and moisture transfer in the wall, which can be described by means of continuum mechanics and irreversible thermodynamics, the most dominant factor is moisture conten 9la gas pressure pc and temperature t, for the description of heatair and moisture transport, the general mass balance equation can be expressed by the temporal change of moisture conten 9 l, gas pressure pc and temperature t that means, in order to create a closed solvable equation system, the other additional dependencies have to be found, which the other variable depending on the variables of the solution : moisture conten 6 l gas pressure pc and temperature to the model is verified by the numerical simulation software which has been developed about building wall.,

    根據節能設計要求，本文用熱力學的方法，並根據多孔介質中多相流體流動描述方面的最新研究成果? ?體積平均方程，建立了墻體熱、濕和空氣耦合熱質傳遞模型，並推導出熱、濕和空氣耦合傳遞等效擴散方程；找到建築墻體熱、濕及空氣耦合作用下熱質傳遞過程的主要影響因素濕容量_ l 、氣壓p _ c和溫度t 。開發了單體材料墻體熱質傳遞數值模擬軟體，用實測數據對軟體進行調試並對模擬計算結果進行了驗證。模擬出了單材料墻體在熱、濕和空氣耦合作用下建築墻體內的溫度和濕度分佈規律。
  12. After the introduction of the innovations and the improvements of foreign hydraulic shock absorbers, the profound cushion mechanics study is done aiming to the shock absorbers chosen for the thesis ; the cushion process of hydraulic shock absorbers can be divided into several stages, which include local pressure loss caused by across sectional area shrinking, sharp edge throttling and aperture throttling

    在對國外新型液壓緩沖器的研究基礎上，針對本課題所選液壓緩沖器的結構特點，提出了分階段建立機理數學模型方法。將液壓緩沖器緩沖過程分為：由於流道斷面突然收縮引起的局部壓力損失階段，緩沖柱塞的邊緣和緩沖孔的邊緣形成銳緣節流階段，當緩沖柱塞進入緩沖孔中形成的縫隙節流階段等三過程。
  13. Secondly, the paper simplified the calculating model of fume in the high tunnel. took the fume restriction into account, the paper provided some equations to calculate the longitudinal fire ventilation. finally, the paper calculated three examples : the zhongliangshan tunnel and the left route of the yanmenguan tunnel

    最後，本文將公路隧道火災的通風模型進行簡化，考慮火災煙流阻力（節流阻力，摩擦阻力，火風壓）的影響，提出了縱向式火災通風計算的方程式，並對中梁山隧道的左右線、雁門關隧道的右線進行了實例計算。
  14. We practically applied the wnnd scheme to solve scalar conservation laws and euler system in one dimension and n - s equations in two and three dimensions. the numerical results of wnnd schemes indicated good shock transitions without any noticeable oscillations and uniformly high accuracy in smooth regions. the wnnd scheme could catch the detail o f the flow field more particularly

    本文應用wnnd格式數值模擬求解了一維標量方程、一維歐拉方程、二維n ? s方程和三維n ? s方程，數值結果表明， wnnd格式在激波附近基本無波動，且在解的光滑區保持空間的統一高階精度，較之nnd格式， wnnd格式能夠更高解析度的捕捉到流場細節。
  15. Transfer function of the closed - loop is presented after analyzing every part of the closed - loop of current control. the time - domain and frequency - domain characteristic of the closed - loop is analyzed and the stability error is discussed, and the closed - loop ’ s ability to restrain the noise is simulated by the tool of simulink, so as to optimize the parameters

    分析了穩流環路的各個環節，得出了穩流環路的控制方程，從控制角度分析了該環路的時域、頻域特性和穩態誤差，並對環路抑制電路噪聲性能進行了simulink模擬，從而得出最佳的參數。
  16. Then numerical experiments on forcing dissipation and heating response of dipole ( unipole ) are carried out using global spectral model of quasi - geostrophic barotropic vorticity equation. for every experiment model integration is run for 90 days on the condition of three waves quasi - resonance. the results are given as follows : ( 1 ) under the effects of basic flow intensity and dipole ( unipole ) forcing source, there exist strong interaction among the three planetary waves, and there also exist quasi - two - week and intra - seasonal oscillation of the three planetary waves

    然後，用數值試驗的方法，應用強迫耗散準地轉正壓渦度方程的全球譜模式，並在方程中考慮了偶（單）極子的熱力強迫作用，在三個行星波準共振的條件下，模式共積分90d ，得出： （ 1 ）在基本氣流強度和偶（單）極強迫熱源的共同作用下，三個行星波之間存在很強的波?波相互作用，且波動振蕩呈現準雙周和季節內振蕩。
  17. Patterns which are based on experience and experiment and wasteful in time, nonguarantecable in quality. high production efficiently is then achieved. and the same time, this paper puts forward a relative control system, changes and realizes the adjustment of spinning speed and the fixed increasing the technology and application of stone balls, yielding better economic efficienly. in the end of this paper, there is an appendix of computation program edited by c language, the geometry parameters of stone balls

    同時通過恆定總流的能量方程和動量矩方程，確定了風水球轉速的計算方法，建立了相應的控制系統，改變了過去風水球轉速、轉向固定不變的狀況，實現了對轉速轉向的調節，設計了轉向控制系統和轉速控制系統，提高了風水球的技術含量和可觀賞性，從而獲得更好的經濟效益。
  18. In order to match the logistics nodes accurately, to realize the seamless connection punctually and to decrease the cost and enhance service level, the fourth party logistics should coordinate the relationship among the organizations and control the whole logistics process

    為了使物流環節在時間和地理上精確配合，實現準時無縫連接、降低物流成本、提高物流服務水平，第四方物流需要對物流過程進行全面協調管理。
  19. Firstly, making out the walking poses and tracks of the robot, according to the study on the humans ’ gait and the sine and cosine curves are used to program its center - of - gravity track and its feet - lifting track. secondly, the kinematics model is established, and according to the constraint and the programmed tracks, the kinematics equations of each walking stages are available. then find the solutions of each equation and get the motion curves of its joints, which are also the motion curves of the mini - servomotor

    首先，結合對人類行走步態的研究，規劃機器人行走姿態及軌跡;在此基礎上建立並求解運動學方程，獲得機器人行走時各關節的轉角曲線;最後，針對前向運動與側向運動之間的耦合，對求得的運動曲線進行修正，使機器人在保證穩定的前提下，動作更加流暢。
  20. First, to extract the rc parameters of the power grid. second, to extract cell currents of all the devices in the design. finally, to construct the nodal analysis equation of the power grid and solve it

    電源網格的irdrop分析可分為三步來完成：首先提取電源網格的rc參數；然後計算各單元的工作電流；最後建立電源網格的節點電壓方程，並求解各點的irdrop 。
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