水動力參數 的英文怎麼說
中文拼音 [shuǐdònglìshēnshǔ]
水動力參數
英文
hydrodynamic parameter-
And the deficiencies are pointed out in present researches, such as highway capacity, level - of - service, influence factor of road alignments, etc. from these, it has confirmed that the thesis should be studied from rational analysis, quantitative analysis of level - of - service, impact on capacity of road alignments, setting - up simulation model, etc. the high - accuracy gps dynamic data acquisition appearance is proposed to be used for the first time to carry on the experiment of overtaking on two - lane highways, and experiment scheme is designed according to the driver ' s perceive to judge each overtaking course. based on the experiment data, it can get two important parameters of acceptant gap ? the critical gap of overtakable time headway and returnable time headway through data processing, which can offer the strong support to the research of two - lane highway capacity with qualitative and quantitative analysis. besides, the experiment methods is provided to observe overtaking ratio and to measure the
研究中首次提出了運用高精度gps動態數據採集儀對雙車道公路上的超車行為進行觀測，設計了根據駕駛員感受度來衡量超車過程的實驗方案，並通過後期數據處理得到了超車過程中兩個重要的可接受間隙參數-可超車車頭時距和可回車車頭時距的臨界間隙值，為定性和定量分析雙車道公路通行能力提供有力的數據支持;同時，還提出了觀測超車率的實驗方法以及測量加速度干擾的實驗方案，統一了計算加速度干擾的時間統計間隔，為雙車道公路的服務水平量化研究奠定基礎;最後還簡單介紹了駕駛員問卷調查法和模擬程序中模型參數標定和驗證的數據採集方法。Based on the demand of power department, a full distributed multifuncitional monitoring device is studied. this instrument not only can measure the data of hydroelectric plant, but also integrate the funcition of control the dynamotor, by cooperate with the program of epigynous system, it can realization the auto generate electricity on the hydroelectric plant and ordinal startup - stop of the dynamotor. 2 furthermore, performance of integrated dft arithmetic enhances the acturacy and reliability of measure. by communication several devices can run online to be controlled dispersedly and managed centrally
本文分析了國內外水電站自動控制裝置的研究和發展狀況，尤其是國內小型水電站的自動化現狀，針對現有電力部門的需求，設計並實現了一種單元式的微機自動監控裝置，該裝置不僅實現了對水電站內各種模擬參數和數字信號的實時監測功能，還對水輪發電機組進行了調控，通過與上位機處理程序的配合，可以實現水電站的自動發電控制、機組順序啟停；在測量發電機組機端電壓和電流參數的時候，採用32點離散傅立葉演算法（ dft ） ，增加了測量的準確性和可靠性；通過通訊可以實現裝置的聯網運行，做到「分散控制、集中管理」 。Based on the dynamic frame of mm5 and reisner 2 explicit cloud scheme, a new double - moment microphysical scheme was developed, in which both the mixing ratios and number concentrations of cloud water, rain water, cloud ice, snow and graupel were predicted
從本質上說，該方案預報的僅僅是粒子的比含水量。在mm5動力框架內，在其中的reisner2方案基礎上採用雙變參數方案，增加了雲水、雨水、雪和霰的數濃度預報方程。Due to complex and varied geological conditions for 4 headrace tunnels at zipingpu project, real time monitoring technique was used during informatization construction according to new austrian tunneling method, system observation for typical sections was conducted by following in - situ construction, based on which inverse analysis for rock mechanics parameters was conducted
針對紫坪鋪工程4條引水發電隧洞復雜多變的地質條件，採用新奧法隧洞信息化施工中倡導的實時動態監測技術，跟蹤現場施工進行了典型斷面的系統觀測，在此基礎上進行了圍巖宏觀力學參數的反分析研究。Based on seismic wave method, borehole acoustic method and indoor rock mechanics test, the dynamic and static parameters of the foundation rock for the toe slab of the concrete face rockfill dam for shuibuya hydropower station are tested, and then the relationship among the rock quality, dynamic parameter and static parameter are established with the parameters obtained from the test, furthermore, the classification and the quality evaluation are made as well
摘要採用地震波法、鉆孔聲波法以及室內巖石力學試驗法，對水布埡水電站面板壩趾板建基巖體進行了動、靜參數測試，並根據所獲的參數建立了巖體質量、巖體動力學和靜力學參數三者之間的相關關系，對工程巖體進行了質量分級和質量評價。According to the pavement structure dynamical analyze theory, the principle and process of the pavement modulus back - calculation have been discussed. the appliance ideas of the dynamical modulus among the pavement evaluation, the dynamical characteristic and correlative dynamical parameters of the cement concrete pavement surface, basement and subsoil have been investigated, and the contrast relationships between dynamical and static modulus of the cement concrete pavement have been established, and the evaluation standard of the structure layers " dynamical modulus of the cement concrete pavement has also been presented
根據路面結構動力分析理論，對路面模量反算的原理及實現過程進行論述，研討了動態模量在路面評價中的應用思想及水泥混凝土路面面層、基層、土基的動態特性和相關的動力參數，建立了水泥混凝土路面動態模量與靜態模量的對比關系，提出了水泥混凝土路面各結構層動態模量的評價標準。Resu1 t ana1 yzing and dec i si on support s } ' stem etc. first1y the who11 } construct ion of dianchi system is d i scus sed, t hen hydrodynami c mode 1 " geograph i c informat i on system ( gis ) image processing and network commun1 cat l on are s t u d i e d d e t a i 1 ed 1 v. two - - dimensi onal wind - - driven current s mode1 on shal1 ow water i s used as hvdrodvnamic mode1
一個復雜系統的模擬實現，需要多種理論及技術手段的參與。滇池系統的設計涉及多個方面的內容，包括模型、數據庫、顯示系統、結果分析和決策支持等等。本文首先從系統的角度闡述滇池系統的組成，然後對系統中水動力模型、地理信息系統（ gis ） 、圖像處理和網路通信部分的設計過程進行詳細說明。Abstract : a dispersion test is carried out in field in order to get the dispersion parameters of the shallow aquifer. fem model is used to simulate the dispersion process in the test area
文摘:通過現場彌散試驗測定淺層含水層的水動力彌散參數，用有限分析法模型模擬彌散試驗場，為建立濱州市淺層地下水溶質運移模型提供依據。Based on underwater vehicle ' s nonlinear differential equation and observation equations, swarm intelligence algorithm is used to identify ten hydrodynamic parameters from simulation observed data of the motions of underwater vehicle
摘要通過水下航行體的狀態方程和試驗觀測方程，利用智能辨識技術對水下航行體的模擬運動數據進行了模擬辨識，求得了10個水動力參數。Research shows : change of temperature & pressure of sand rock results in prominent change of seismic p and s wave velocity and dynamic & static modul and seismic attenuation of sand rock. change of pore liquid character and saturation results in change of seismic p and s wave velocity and attenuation of sand rock
研究表明：巖石所處的溫度壓力條件的變化將導致縱橫波速度、動彈參數和衰減的顯著變化：孔隙流體性質（含水或油、氣）及飽和度的變化將引起縱、橫波速度、衰減的明顯變化。In this paper, starting with the physical mechanics of land surface hydrologic process and the introduction of the theory in probability statistic distribution, an analytical expression of heterogeneous evapotranspiration efficiency is given which takes heterogeneous soil water content ' s subgrid scale spatial variability into account, through which the parameterization scheme of subgrid scale soil surface ' s evapotranspiration efficiency ( which is generally called mosaic method ) is modified to a statistic - dynamic scheme in which a whole heterogeneity of the grid region is considered
本文從陸面水文過程的物理機制出發，引進概率統計分佈理論，推導出一種由非均勻土壤含水量次網格尺度空間變率所形成的非均勻蒸發散率解析表達式，從而將通常的次網格尺度地表蒸散率的參數化方案（ mosaic方法） ，改進為考慮網格區整體非均勻性的統計-動力參數化方案。The dynamical parameter was regarded as evaluation guideline, and through investigating the change characteristic of the basin and modulus under different destroy boards, different area and different level loads, the identify methods of the pavement bursted have been given and we advise to use synthesize modulus ratio to evaluate the pass - loads capacity of the joints. we have also discussed the influence of different level loads to the joints pass - loads capability, and confirmed the commonness and oneness of the influence of the pass - loads and bursted to the basin and modulus under the critical loads, and the range of the critical loads was also given. basing on the determination of the pass - loads a
以動態參數作為評價指標，通過研討不同破壞板的不同區域，在不同等級荷載作用下彎沉、模量的變化特性，提出了路面脫空識別辦法以及利用綜合模量比來評價接縫傳荷能力的思想，探討了不同等級荷載對接縫傳荷能力的影響特性，確定了臨界荷載下傳荷與脫空對彎沉、模量影響的共性和單一性，並確定了臨界荷載的范圍，在判定脫空和傳荷基礎上提出了水泥混凝土路面的壓漿效果的評價方法，通過研討荷載與動態模量的關系，對地基的動態性能進行了系統的分析與評價。Stability characteristics are obtained through numerical analysis. in general, the influence of fibre additives and their hydrodynamic interactions to the flow results in the increase of critical reynolds number and the reduction of unstable region of disturbances, therefore reinforces the flow stability
數值求解穩定性方程得到懸浮流的穩定性特徵，發現纖維參數h值和水動力相互作用系數c _ 1的增加導致流動臨界re數增大，不穩定擾動的最大增長率降低，擾動失穩范圍縮小。By means of wide investigation, instruments development, a series of model experiments and relative theory analysis, following results are obtained in river model time scale distortion ratio, model roughening, inflow and outflow controlling methods and equipment, new water level and velocity measuring technique, model automatic measuring and controlling system : ( 1 ) with the aid of configuration software, a large scale river model automatic measuring and controlling system is developed, realizing river model automatically controlling and basic hydraulic parameters automatically measuring
本文通過廣泛調研、儀器研製、系列模型試驗和相關的理論分析，在河工模型時間變態率控制、模型加糙、出入流檢測方法和設備、水位流速測量新技術、模型自動測控系統等方面取得了下列成果： （ 1 ）應用工控組態軟體技術，開發了一套大型河工模型自動測控系統，實現了模型內外邊界的自動控制和基本水力參數的自動量測。The main dynamic parameter of the subsoil is the dynamic shear modulus. base on the data of the experiments, analyzing the relationship between the dynamic shear modulus and the characteristic parameters such as the density, the water content and the shear distortion, the expression of the dynamic shear modulus of the subsoil is picked out
地基土的主要動力參數為土的動剪切模量，而利用實驗所得的數據，分析動剪切模量g與地基土的干密度（孔隙比） 、含水量以及地基土的剪切變形等參數之間的關系，就可以得到地基土的動剪切模量的表達式。In view of geological and hydro - geological situations of the south anchor runyang yangtze river highway bridge, the paper bring forward mathematical model and calculation method of double deck structure groundwater, which can be used to lively calculate every layer ' s water table, so that we can realize every layer ' s settlement calculation and control ; establish the inter relationship between non - linear physical - mechanics parameter and hydro - geological parameter, objectively describe the non - linear change process of the porosity, hydraulic conductivity, specific storativity in the process of soil dewater and concretion
針對潤揚長江公路大橋南錨場地地質、水文地質條件提出了雙層結構地下水運動的數學模型和計算方法，該方法可以實時計算出各分層的地下水位，實現了各分層沉降計算與控制研究；建立了土層非線性物理力學參數與水文地質參數之間的內在聯系，客觀地描述土層降水? ?固結過程中孔隙度、滲透系數和貯水率等參數非線性變化過程。In this paper, according to work environment of trainsport plane, taking advantage of optimal matching between engine and transmission parameters improve performance of trainsport plane. and making design process is more strictly buy introducing design eidos of automobile. this paper provided design basis for improving design level of trainsport plane
本文根據拖拉機變型運輸機的工作環境，通過對傳動系參數的優化匹配，提高了拖拉機變型運輸機的動力性和經濟性，並在設計過程中引入了汽車的設計理念，使設計過程更加嚴謹，為提高拖拉機變型運輸機的設計水平提供了參考的依據。On the basis of consulting a large number of literatures domestic and aboard, the present situation and latest development of hydrodynamic characteristics of overland flow and slope erosion dynamic process were reviewed. aiming at revealing the effect of rainfall splash intensity on hydrodynamic features of sheet flow and slope erosion, with a combination of runoff experiment and simulated rainfall experiment with a fixed intensity, applying hydrodynamic and erosive theory, the effect of rainfall on overland flow velocity and the influence of rainfall splash intensity on hydrodynamic features ( such as velocity, flow depth, flow patterns, resistance ) of sheet flow on slope and the influence of rainfall splash intensity on the overland flow sediment contain was researched
本文在查閱了大量國內外文獻資料，全面了解了坡面流水動力學特性及坡面侵蝕動力過程等方面的研究現狀及最新進展的基礎上，以揭示雨滴打擊動能對坡面薄層水流水動力學特性及坡面侵蝕的影響為目標，採用水槽放水試驗和定雨強模擬試驗相結合的方法，運用水動力學與侵蝕理論，研究了降雨對坡面薄層水流流速的影響，雨滴打擊強度對坡面薄層水流流速、水深、流態、阻力等水動力學參數的影響，雨滴擊濺作用對坡面流泥沙含量的影響。In addition, this paper selects the water traveling wave model of the surface irrigation, and realizes the modeling of the water movement, according to the water movement characteristics of surface irrigation. furthermore, the optimization model for irrigation effects is used to produce the calculation pattern in which the water movement model is combined with optimization of technical parameters of irrigation. therefore, it is realized that the optimum unit discharge is calc ulated under the condition of definite length and slope of border check and the optimum length of border check is calculated under the condition of definite unit discharge and slope
與此同時，在分析項目區耕作條件下灌溉水流運動特點的基礎上，選擇地面灌溉水流運動波模型，實現了地面灌溉水流運動的數值模擬，並利用灌溉效果優化模型，構造了地面灌溉水流運動模擬與灌水技術參數優化相結合的計算模式，實現了定畦長、定坡降條件下的優化單寬流量求解和定單寬流量、定坡降條件下優化畦長的求解，為變灌水條件下優化灌水技術參數的確定提供了強有力的工具。First, we calculate the hydrodynamic performance of the caudal fin which is considered as a rigid body using surface panel method. then a detailed analysis is given
首先把尾鰭視為剛性體，採用面元法計算其水動力性能，詳細分析其水動力系數隨尾鰭運動參數的變化規律。分享友人