steady state model 中文意思是什麼

steady state model 解釋
穩恆態模型
  • steady : adj 1 穩固的，平穩的，穩定的，不變的（腳步、努力等）。2 堅定的，扎實的，牢靠的（船等）。3 有規則...
  • state : n 1 〈常作 S 〉國，國家；〈通例作 S 〉（美國、澳洲的）州；〈the States〉 美國。2 國務，政權，政府...
  • model : n 1 模型，雛型；原型；設計圖；模範；（畫家、雕刻家的）模特兒；樣板。2 典型，模範。3 （女服裝店僱...
  1. 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。
  2. ( 2 ) a steady - state model for a water - to - water heat pump

    （ 2 ）水一水熱泵機組模型。
  3. For micro - cavity semiconductor laser, station model is proposed in this paper and its steady - state and instantaneous characteristics when the coupling efficiency of spontaneous emission into a lasing mode is equal to 1 are analysised. for current noise, sp noise, noise, p noise, as well as current modulation, sp modulation, modulation and p modulation, using small - signal approximation, we derive the laser ' s corresponding transfer functions. and we calculate their signal - to - noise ratio ( snr ) gain in various parameters through frequency domain analysis in the premiss of large input snr

    本文對于微腔半導體激光器，提出站模型，能夠較直觀簡潔地分析微腔半導體激光器的穩態和瞬態特性，利用此模型對具有重要實用價值的= 1的微腔半導體激光器進行了討論；對于電流i噪聲、自發發射壽命_ （ sp ）噪聲、自發發射因子噪聲、光子壽命_ p噪聲，以及電流調制、 _ （ sp ）調制、調制、 _ p調制，在小信號近似下，得到了相應的激光器的傳遞函數；在大信噪比的前提下，對激光器進行了頻域分析，分別計算了它們在不同參數下的信噪比增益，分析了其抗噪聲性能。
  4. Semi - empirical tire model of non - steady state side slip properties

    輪胎非穩態側偏特性非線性模型
  5. Non - linear side slip tire model in non - steady state

    考慮胎體復雜變形的輪胎非穩態轉向特性半經驗模型
  6. The viscid flux is discretized by second - order central difference scheme. baldwin - lomax turbulence model is implemented in navier - stokes flow solver. for steady - state calculations, a four - stage runge - kutta scheme with convergence acceleration techniques such as local - time stepping and implicit residual smoothing is used

    其中，定常計算中的時間推進採用四步runge ? kutta方法，並應用了當地時間步長、隱式殘值光順等加速收斂措施；非定常計算中的時間推進採用jameson的隱式雙時間方法。
  7. The interior size and the calorific capacity of the borehole are much smaller, moreover the temperature change is slow, so usually we can neglect the influence of calorific capacity but to consider according to the heat transfer in steady state process, thus we can establish one - dimensional and the two - dimensional thermal resistance model in the borehole

    而在鉆孔內部，包括回填材料，管壁和管內傳熱介質，與鉆孔外的傳熱過程相比較，由於其幾何尺寸和熱容量要小得多，而且溫度變化較為緩慢，因此通常可以忽略其熱容量的影響而按穩態傳熱過程來考慮，建立了鉆孔內的一維和二維的熱阻模型。
  8. The dynamic model of misaligned rotor - bearing system equipped with a flexible laminated membrane coupling was developed by using the method of lumped parameter in this dissertation, and the dynamic behavior, such as the nature characteristics, stability, steady state response of the system, etc. was analyzed based on the theory of linear vibration

    本文根據集總參數法建立了膜片聯軸器耦合的不對中轉子?軸承系統的動力學模型。基於線性振動理論分析了系統的固有特性、穩定性和不平衡響應。
  9. The steady - state growth rate derived from this integrated model is roughly in line with the result derived from the growth accounting equation

    本文構建了一個內生增長模型，以解釋人力資本積累和技術進步共同推動經濟增長的機制。
  10. The explicit finite element method ( fem ) based on the varying time - step was selected to analyse the dynamic roll - pass process ; the nodes on the leading face of the steady - state elements set was extracted and projected onto a plane to give the required mesh, also called the origin mesh ; the implicit fem was selected to analyses the inter - pass transient thermal process ; a geometric part from the mesh was generated and meshed by using the quadrilateral elements, a heat transfer analysis was selected to transfer the node temperature data ; a new model was created by using hexahedral elements, mapping the node temperature and the equivalent plastic strain on the integration points

    利用基於變步長中心差分格式的顯式積分方法分析瞬態軋制過程；提取穩態單元集節點形成截面網格；利用隱式積分方法分析軋制道次間隙瞬態溫度場；對型鋼斷面進行平面四邊形網格劃分並映射節點溫度數據；利用六面體單元構建有限元分析模型，映射單元節點的溫度、積分點的等效塑性應變，進行數值分析。
  11. 3. for the two - region model of one - dimensional solute transport through heterogeneous soils considering scale - dependent dispersion and immobile region under steady state flow, the numerical model is obtained by characteristic finite element method

    對于穩態水流條件下，非均質土壤中考慮水動力彌散尺度效應以及不動水體存在時，一維溶質運移的兩區模型，建立了相應的特徵有限元數值模型。
  12. The stability, response time, overshoots and steady - state errors of the systems are analyzed ; and the result indicates the feasibility of the model

    對系統的穩定性、過渡時間、超調量和穩態精度進行了分析，說明了該模型的可行性。
  13. Here are three parts in this thesis : building steady state model and transient model for water hydraulic valves. research on the property of flow field inside water hydraulic valves. analysis of the force on water hydraulic valves

    論文主要包含三部分的內容：水壓閥穩態模型和瞬態模型的建立；水壓閥內流場過流特性的研究；作用於水壓閥閥芯及閥體上的力特性分析。
  14. The ash fouling online monitoring models are built for furnace, convection heating surface and tri - sectional regenerative air preheater based on the analysis and summarization the researches on the ash fouling monitoring technic and models of boiler. clean factor ( cf ) is chosen to express the effect on heat transfer of ash fouling and is calculated by heat transfer steady - state model

    在分析研究總結現有的鍋爐各類受熱面的各種灰污監測技術和模型的基礎上，建立了鍋爐爐膛、對流受熱面和三分倉空預器的灰污在線監測模型，以清潔因子表徵受熱麵灰污對鍋爐受熱面傳熱的影響。
  15. The control equation for apf power switches was derived, and the steady state model of apf power stage was set up

    最後設計、安裝、調試完成一臺500w常頻積分復位器控制的apf實驗樣機。
  16. Speed prediction ability of unitire steady - state model

    輪胎穩態模型的速度預測能力
  17. By selecting the voltage space vector of the voltage across the equivalent converter impedance as the control variables, the steady - state model of hvdc - vsc is developed. on this basis, a steady - state feedback linearization strategy is proposed, then, linear and decoupled control is realized using pi controllers and feedforward compensation

    建立了以vsc等效換流阻抗上的基波壓降所對應的電壓空間矢量為控制量時hvdc - vsc的穩態模型，並根據所建立的穩態模型，提出了基於穩態模型的hvdc - vsc反饋線性化控制策略。
  18. The quasi - steady state model of temperature profile for the reverse flow reactor with catalytic combustion of air contaminated with volatile organic compounds ( vocs ), is developed by rbf ( radial basis function ) neural networks

    摘要用rbf神經網路建立了用於清除低濃度揮發性有機物的流向變換催化燃燒反應器擬定態溫度分佈模型。
  19. The first one is a two - dimensional, steady - state model for liquid - feed direct memanol fuel cell ( lfdmfc ), another one is a three - dimensional, comprehensive, steady - state mathematical model for h2 / o2 proton exchange membrane fuel cell ( pemfc )

    本文分別對dmfc和h _ 2 o _ 2pemfc建立了綜合的數學模型，研究了電池內的傳遞現象和電化學特性，得到了電池的極化性能。
  20. Meanwhile, in a distributed parameter approach a steady - state model of condenser and evaporator has also been established in the form of concentric counter - flow heat exchangers

    採用分佈參數法，建立了復合螺旋套管式冷凝器和蒸發器的穩態模型，並編制了冷凝器和蒸發器的設計和模擬軟體。
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