hydrodynamic process 中文意思是什麼

hydrodynamic process 解釋
流體動力過程
  • hydrodynamic : adj. 1. 水力的；水壓的。2. 流體動力學的。
  • process : n 1 進行，經過；過程，歷程；作用。 2 處置，方法，步驟；加工處理，工藝程序，工序；製作法。3 【攝影...
  1. 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。
  2. Output flux at po4 - p specification only accounted for 24 % of all phosphorus output in 1998. 3. din budget in jiaozhou bay : seawater - accommodated din in jiaozhou bay is attributable to discharge from the rivers around jiaozhou bay, input from seawater - bottom sediments exchanging, atmospheric deposition, and output to huanghai sea by hydrodynamic process

    模型計算結果表明，膠州灣的f比冬季最高，夏季最低，而春秋居中，月平均值在0 . 75一0 . 94之間，年平均值為0 . 80 ，膠州灣在初級生產過程中所需的din大部分是由新生源（外源）提供的。
  3. The calculated drafts covers the whole possible ship draft in the large amplitude motion ; secondly, the research creates and solves the ship large amplitude motion equations. on the one hand, the actual calculation takes into account the coupling between the different motion modes, on the other hand, in the process of calculation of the ship hydrodynamic coefficient, it considers the influence of the nonlinear factor. the hydrodynamic coefficient used in the calculation of froude - krylov force, diffraction force and radiation force changes instantaneously following the draft, and the hydrostatic buoyancy is computed very accurately for the instantaneous immerse hull

    本文的研究分為二個部分：首先利用frank源匯法計算水動力系數，計算包括不同吃水時的附加質量和阻尼系數，吃水范圍涵蓋了船舶大幅度運動時所有可能的吃水；然後建立和求解船舶大幅度運動方程，在實際計算時一方面考慮了運動模態之間的耦合，另一方面在計算水動力時，考慮了非線性因素的影響。 froude - krylov力、輻射力、繞射力中的水動力系數隨吃水瞬時變化，靜浮力的計算精確到船體瞬時濕表面積，最後用四階龍格?庫塔方法在時域內求解船舶運動方程，並進行了載荷計算。
  4. Based on the hydrodynamic theory, the riverbed deformation process of all reservoir area during long duration is investigated by using of computer numerical simulation. in the meantime, based on one dimensional sediment model, the simulation of the longitudinal scouring and sedimentation and lateral deformation in reservoir tidal flat and mainstream are researched. the quasi - two dimensional sediment numerical model forecasting longitudinal scouring and sedimentation and lateral deformation in reservoir and river are established

    應用水動力學理論，以計算機數值模擬為手段，主要考慮長歷時全庫段的河床變形過程，在一維泥沙數學模型基礎上，同時考慮水庫灘槽縱向沖淤和橫向變形的模擬，著重建立可以預測水庫及河道縱向沖淤及橫向變形的準二維泥沙數學模型。
  5. After analyzing, the author got the basic character of tidal flat hydrodynamic : the time of flooding on bare flat and ebbing is basically the same and the time of flooding on pioneer zone of salt marsh is a little short ; the process curve of current speed on bare flat did not appear peak value on the beginning of flooding and at the end of ebbing but presented double peak, that is, it presented double peak in winter and spring and ebbing peak value disappeared in summer and autumn, salt marsh presented single peak character in a year and the process curve in tidal creek presented double peak ; all current direction on every spot presented gyration current and the current speed changed rapidly during the high water level without obvious slack water period

    分析得到了潮灘水動力基本特徵：光灘水位漲潮和落潮時間基本相等，而鹽沼前緣帶水位漲潮時間略短；光灘流速過程線在漲潮初和落潮末出現峰值，呈現「雙峰型」特徵，鹽沼前緣帶則冬、春季節呈現「雙峰型」 ，夏、秋季節落潮峰值消失，鹽沼帶四季呈現單峰特徵，潮溝內過程線為「雙峰型」 ；各測點流向均呈現回轉流特徵，在高水位時流向迅速改變，不存在明顯的憩流。
  6. The author emphasized on the research of the process of tidal flat hydrodynamic and the process of total nitrogen, total phosphor dynamical transportation and got the conclusion as follows : ( 1 ) open tidal flat of dong tang chongming yangtze estuary was chosen as research object and two typical section plane was set up in order to measure four seasonal hydrology element and get index datum such as water level, current direction, current speed

    得到如下結論： （ 1 ）以長江口崇明東灘敞開型潮灘為研究對象，設置了兩條代表性斷面，實測了四個季節的水文要素，獲得了包含水位、流向、流速等指標數據。
  7. 2. po4 - p budget in jiaozhou bay : seawater - accommodated po4 - p in jiaozhou bay is attributable to discharge from the rivers around jiaozhou bay and input from seawater - bottom sediments exchanging, and output to huanghai sea by hydrodynamic process

    河流徑流輸入、沉積物釋放和大氣沉降是膠州灣海水中din的主要外部來源，由浮游生物活動而在水體中再生的din是膠州灣海水中din的內部來源。
  8. Secondly, proportional arc length method is used to conformal mapping process of asymmetry sections so as to solute the 2d radiation problem with the method of multipole expansion. on the basis of above, 3d hydrodynamic coefficients are given and motions of the container ship flokstra are predicted considering the initial heel

    然後，採用比例弧法對全剖面進行保角變換並在此基礎上用多極展開法計算非對稱剖面的輻射流場，進而採用切片理論合成全船的水動力系數並對flokstra集裝箱船進行了考慮橫傾影響的運動響應預報。
  9. 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
  10. 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。
  11. Although application of activity of 210pb in determining age of sediments of estuarine and coastal environment is very difficult, it provides important information about sediment environment and hydrodynamic. supported by gis, quantitative changes of erosion and deposition of the xinqiao channel are calculated. these results combing sediment characteristics of vertical profile illustrate the formation mechanism and evolution process

    將~ （ 210 ） pb放射性測年方法應用於河口海岸環境時需慎重，雖然由於活度的變化無法準確確定垂向沉積物的沉積年代，但仍可給我們提供沉積物沉積時環境和水動力變化的信息。
  12. Because these harmful phenomena are closely related to the dynamic process of the flow, it is of great importance, theoretically and practically to the engineering design, to study the flow regime and predict the variations of flow velocity and pressure so that the hydrodynamic mechanism of cavitation and gate vibration could be analysed

    由於這類有害現象的發生與水流的流動特性密切相關，探明閥門段水流急變分離的流態、預測流速、壓力時空變化規律，分析空化與振動的水動力學成因，在理論上和工程設計實踐上皆具有重要意義。
  13. This dissertation makes use of all data which would be gained, such as tectonics, sedimentation and stratum, etc., using new theories and methods of fluid history and pool analysis for petroleum basin, petroleum hydrodynamic system, fluid chemistry, etc., considering dynamics and evolution, and systemic studies the dynamic process of petroleum creating, migration and accumulation, and analyzing the rules. at the same time, by integrative analyzing of petroleum fluid system in the tuha basin, we research the fluid properties of the jurassic petroleum hydrodynamic system in the taibei depression

    本文充分利用盆地構造、沉積、地層、有機質等演化歷史的研究成果，應用「含油氣沉積盆地流體歷史與油氣藏形成分析」 、含油氣流體動力系統、盆地流體化學與動力學等新理論、新方法，從演化和動態的角度，系統研究油氣的生成、運移、聚集等成藏動力學過程；以及在成藏動力學過程中流體化學與動力學在地質體中的記錄，分析、預測油氣的運移、聚集規律。
  14. Magnetorheological dressing ( mrf ) is a new developed ultra - precision process abroad for optical aspheric surface which can fine finish optical facilities efficiently, it integrate electromagnetic, hydrodynamic and chemistry in optical facilities process

    磁流變拋光是國外近年來新興的一種光學非球面超精密加工方法，而超聲輔助磁流變拋光是在其基礎上派生出來的新型拋光方法，它將電磁學、流變學、化學綜合作用於光學加工中，可以實現對光學器件的高精密拋光。
  15. Industrial - process control valves - noise considerations - prediction of noise generated by hydrodynamic flow

    工業過程式控制制閥.第8部分:噪聲.第4節.氣動噪聲預測
  16. Industrial - process control valves - noise considerations - laboratory measurement of noise generated by hydrodynamic flow through control valves

    工業過程式控制制閥.第8部分:噪聲.第2節:控制閥氣動噪聲實驗室測量
  17. Industrial - process control valves ; part 8 : noise considerations ; section 2 : laboratory measurement of noise generated by hydrodynamic flow through control valves iec 60534 - 8 - 2 : 1991 ; german version en 60534 - 8 - 2 : 1993

    工業過程式控制制閥.第8部分:噪聲.第2節:控制閥液流噪聲
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