hydraulic transient 中文意思是什麼

hydraulic transient 解釋
液流過渡過程
  • hydraulic : adj. 1. 水力的,液力的;用水發動的。2. 液壓的,水壓的。3. 水力學的。4. 【建築】水硬的。adv. -lically
  • transient : adj 短暫的,一時的;過渡的;匆匆而過的;易逝的;虛幻的,無常的 (opp lasting permanent); 【物理...
  1. Ln power system full dynandc simulation, the electric - mechanical transient processes of dynamic elements of power system should be simulated in detail, and the detailed dynandc models of mid - term and long - term processes are necessary based on the research and analysis for the ndd - term and long - term models, the dynandc models, such as thermal power plant, hydraulic power plant, nuclear power plant and the automatic generation control ( agc ), which are necessary to power syst

    電力系統全過程動態模擬除了需要詳細模擬電力系統動態元件的機電暫態過程外,還要有詳細的中長期過程的模型。本文在綜合調查和分析的基礎上,研究了電力系統全過程動態模擬所需要的火電廠動力系統的數學模型、水電廠動態模型、壓水堆核電站模型以及自動發電控制( agc )模型及其演算法,並在電力系統全過程動態模擬軟體中得到了實現。
  2. In the hydraulic transmission systems, after the valve is suddenly open and shut off, there will be a fluid transient in the form of pressure pulsation propagating along the pipeline

    液壓系統中,閥門的快速開啟或關閉會在管路中發生壓力瞬態脈動過程。
  3. The transient simulation of power system uses usually simplified models of conduit system and hydro turbine. similarly the simplified models of synchronous generator and power system are used in transient simulation of hydraulic system

    電力系統模擬往往採用粗略的輸水系統?水輪機模型,而水力系統模擬則往往採用粗略的同步電機?電力系統模型。
  4. By use of - perturbation method with spatial discretization, the hydraulic transient system controlled by quasilinear partial differential equation was converted to a time - continuous linear system, so that the inverse problem of hydraulic transients under limited pressure could be sol ed with the optimal control theory for time - continuous systems

    採用-攝動法並經過空間離散,將由擬線性偏微分方程式控制制的有壓瞬變流系統轉化為時間連續線性系統,從而使有壓瞬變流限壓控制反問題能應用時間連續系統最優控制理論來求解。
  5. For getting the runner characteristics more correctly, researching the representation of runner characteristics of the kaplan turbine in this paper, and using this method of modifying runner characteristics to calculate the transient of hydraulic power station. improving the calculating model of the axial thrust in the kaplan turbine ' s transient. base on the theory of screw propeller without any boundary, using the theory of screw propeller with pipe, and the formula to calculate the dynamic axial thrust during transient is developed

    本文對轉槳機組在過渡過程中的槳葉劃水產生水推力的數學模型進行了改進,在原來使用無邊界螺旋槳進行等效的基礎上,使用了導管螺旋槳對轉槳機組中的槳葉劃水進行等效,並且比較詳細的分析了影響轉槳機組軸向水推力的各個因素,以及給出了動態計算軸向水推力的公式,通過計算表明,使用改進后的動態水推力計算模型得到的結果能較好的反應實測的動態軸向水推力。
  6. The hydraulic transient process and calculating have always been the problems regarded by the engineers

    調壓系統的水力瞬變過程和計算一直是設計人員關注的重要問題。
  7. The relap5 code is a great thermal - hydraulic transient analysis code at present, and it is as the tool of studying passive safety in this thesis

    Relap5程序是目前大型的熱工水力瞬態分析程序,本文把它作為非能動安全研究的工具。
  8. The augment of excitation setting " s control performance is fairly important to improve the static, transient and dynamic stability of power system, and enhance the setting " s utilization rating of the hydraulic turbine generator unit

    提高勵磁裝置的控制性能,對于改善電力系統靜態、暫態及動態穩定性相當重要,並且可以提高水輪發電機組的設備利用率。
  9. Three mathematical models are presented to express the characteristics based on the systematical analysis of mechanical, hydraulic and fluid dynamic characteristics during three transient process, and numerical calculation methods are carried out to the three mathematical models. with the rigid water hummer theory and hydraulic characteristics, this paper has improved the boundary condition equation at pump during the suspending period, and drew a simplified mathematical model

    針對大型低揚程泵站過渡過程的具體特點,利用剛性水錘理論,對事故停泵時泵處的邊界條件方程進行改進,並結合泵裝置水力特性,得出大型低揚程泵站停泵過渡過程簡易計算方法的數學模型;針對具體數學模型編製程序進行計算求解。
  10. Then the isoparametric finite - difference three - dimensional transient groundwater numerical model is presented. visual modflow, the most popular standard visualization software package approved by the hydraulic scientists and technicians on simulating the groundwater flow is used to simulate and calibrate the groundwater level and quantity of the research area. at last, the changes of the hydraulic head and the produced quantity in the future were predicted according to the tested parameter and the modified model

    在水文地質概念模型的基礎上,進一步建立了研究區完整的三維有限差分非穩定流數學模型,利用目前國際上最盛行,且被各國同行一致認可的三維地下水流模擬軟體? ? visualmodflow對該區地下水的水位和水量進行模擬求解,最後,利用識別的參數和驗證后的模型預測了今後的水位變化趨勢和可開采量。
  11. 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。
  12. The calculation of hydraulic friction in transient flow and the influence of hydraulic friction to transient

    瞬變流摩阻計算及摩阻對水力瞬變的影響
  13. The difference formulation and boundary condition have been gained by the method of characteristics and the hydraulic transient basic formulation

    從壓力管道水力瞬變基本方程出發,利用特徵線法求解了壓力管道水力瞬變的差分方程及邊界條件。
  14. In this thesis work, a 1 - d hydraulic transient model and a 2 - d compressible flow model with the large eddy simulation approach have been applied to analyse the hydrodynamic process of the unsteady separated flow. prototype observation data of gezhouba shiplock no. 3 has been used to verify the computational results. it has been found that two different types of flow regime - stably - varying and strongly - oscillating regimes - could occur in the radial gate tunnel

    本文採取將一維非恆定流模型與二維可壓縮流一大渦模擬模型相結合的方法,分析了急變分離流的水動力學特性,並利用葛洲壩三號船閘的原型觀測資料驗證了數值模型的可靠性,發現閥門段存在平穩變化型和劇烈振蕩型兩種不同的流態,並詳細計算、分析了它們的流動特徵
  15. Determining the location of batching interface in hydraulic transient simulation

    水力瞬變模擬中混油界面位置的確定
  16. Pipeline fluid monitoring and leak location based on hydraulic transient and extended kalman filter

    基於水力瞬變與擴展卡爾曼濾波的管道流體監測與泄漏定位
  17. For the non - minimum phase characteristic of hydraulic turbine power set, this paper proposes and analyses the tracking - differentiator ( td ) with invariable tracking time based on the idea of arranging the transient process

    針對水輪發電機組的非最小相位特性,基於設置過渡過程的思想,在傳統的pid控制器的基礎上應用改進的td設置合理的過渡過程,有效的減小了非最小相位中的反調。
  18. Analysis of transient hydraulic pressure pulsation in pipelines using matlab simulink

    的液壓管路瞬態壓力脈動分析
  19. Therefore, the study of the fluid transient accompanying the growing and collapsing of gas bubbles and cavitation in low pressure hydraulic pipelines is absolutely important for the prediction of the hydraulic pump performance and the safety of hydraulic system

    因此,研究低壓液壓管路有氣泡和氣穴產生的瞬態壓力脈動過程,對于液壓泵的流量特性預測以及液壓系統的正常工作有著重要的意義。
  20. Transient dynamic response of work device of hydraulic excavator

    單斗液壓挖掘機工作裝置的動力學響應
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