流態化數 的英文怎麼說
中文拼音 [liútàihuàshǔ]
流態化數
英文
fluidization number-
The additional flow is formed by the device of dentoid baffle, and the application of the device of dentoid baffle cooperated with a stilling basin has been investigated by systematic model tests. based on the research results, the hydraulic problems such as the characteristics of hydrodynamic pressure and cavitation on the head of the denotid baffle, the properties of flow under the condition that the device of denotid baffle is used with a stilling basin, the hydraulic computation about a stilling basin, the estimation of energy dissipation and its various affection factors, the mechanism and effect of energy dissipation, and distributions of velocity and pressure and aerating concentration, etc, have been analyzed ; the method and step of hydraulic design of device of denotid baffle by which the additional flow is produced has also been proposed
文中利用齒墩設施實現附加射流，對齒墩設施與消力池聯合應用進行了大量的和系統的模型試驗，分析研究了中低佛勞德數條件下，齒墩墩頭的動水壓強及空化特性，齒墩設施與消力池聯合應用時的流態特性，消力池的水力計算，消能量的估算及其各種影響因素，消能機理和效果，消力池內的流速、壓強特性，摻氣濃度分佈等水力學問題，並提出了實現附加射流齒墩設施的水力設計方法和步驟。In this thesis hydraulic experimental studies and theoretical analyses on the vortex - flow drop shaft were conduced and the following results were accomplished : ( 1 ) in the model test some hydraulic characteristics including the shape of air core in the center of the drop shaft, the radial distribution of water flow velocity and the distribution of pressure on the wall of the drop shaft were measured under the condition of high water head above 250m and large discharge above 1400m3 / s. ( 2 ) a kind of computational method for the spiral water flow in the air core region of drop shaft was discussed and applied and the results agree the experimental data well. ( 3 ) the total ratio of energy dissipation in the drop shaft can reach 90 % and the energy dissipation in every region was discussed quantitatively
本文通過試驗研究與理論分析對旋流式豎井泄洪洞應用於高水頭、大泄流量情況時存在的一些水力學問題進行了研究和探討，取得以下主要成果：一、結合小灣工程導流洞改建，對高水頭（ 252m ） 、大泄流量（ 1400m ~ 3 s ）條件下旋流式豎井中的水流運動特徵進行了比較全面的測量，包括空腔形態、徑向流速分佈及井壁壓強等；二、提出了豎井空腔段螺旋水流水力計算方法，其計算結果與實測值吻合良好；三、利用試驗與計算結果，對旋流式豎井的消能機理進行了探討，對豎井各部分的消能能力有了總體認識；四、對豎井下部消力井的合理井深進行了優化試驗研究，發現消力井合理深度為0 . 9d左右；五、通過試驗研究，歸納出豎井水流總摻氣量估算方法，為導流洞排氣方案的設計提供了參考依據；六、在高水頭、大流量條件下，豎井空腔段下部流速很高，盡管水流螺旋運動引起的離心力可以確保井壁壓強保持正壓，但空化數依然較低，因此豎井的空化空蝕始終是工程界關注的重大問題。After the ventilator is started, the dust catcher is under negative state and will absorb air with dust in the ductwork to the case on the dust catcher, then the air current will enter into the upper side of filter bag flowing from upper side to lower part ; most of the dust will come out from the filter bag under function of gravity and inertia and then fall into the lower case ( ash hopper ), then the clean air will enter into the air via ventilator
當通風機啟動后，除塵器便處于負壓狀態，並將余風管中的含塵空氣吸入到除塵器上箱體內，然後氣流進入濾袋上口自上而下流動，多數粉塵顆粒在重力和慣性力的作用下穿出濾袋下口，沉降至下箱體內（灰斗） ，被濾的凈化氣體經通風機排入大氣中。By using theories from the relevant disciplines such as geography, mathematics, physics, ecology, and system sciences, this thesis develops a framework employing the concept of system entropy to represent the state function of the man - earth relationship system. in this framework the entropy change is used to show the development change of the system, and the entropy flow to express the flow among the spatial parts of the system. following the framework, and based on a large set of household data from surveys, the thesis makes a quantitative analysis of the village - level man - earth relationship system from a micro - perspective
藉助地理學、數學、物理學、生態學、系統科學等有關學科理論，根據實地調查的大量農戶數據，從微觀視角對村域人地關繫系統進行了定量分析，用人地關繫系統熵來表徵人地關繫系統的狀態函數，用熵變來反映人地關繫系統的發展變化，用熵流來表示人地關繫系統各空間型式地域主體之間的流動。For studying the performance of solid rocket ramjet under the influence of different flight conditions, it ' s significant to simulate the integrated flow field of inlet and combustor
因此，開展超聲速進氣道/補燃室流場一體化數值模擬研究對于考查飛行狀態對於火箭沖壓發動機性能的直接影響具有重要的現實意義。The main work is done with the help of model experiment. in the flood - relief experiment, the flood carrying capacity of spillway tunnel is checked. in the hydraulic experiment of the diversion power conduit system, the followings are studied : the flow condition and fluctuation in the surge chamber, the distribution of flow velocity before the rack in the surge shaft, the amplitude of stage in the quick gate bay etc. the test step, content and results of different proposals are introduced in details
本項優化試驗研究的目的主要在於，通過泄洪系統整體水力學試驗，校核泄洪洞的泄流能力；通過發電引水系統整體水力學試驗，研究調壓井內水流流態和水位波動情況、調壓井內攔污柵前流速分佈情況；確定快速閘門井內水位波動幅度；試驗確定壓力管道水擊壓力穿井系數以及泄洪洞弧形門處的水壓力。Abstract : variations of flow pattern, flow velocity in deep poo l and side bar, mainstream thread, and water surface, caused by excavation project, are investigated by two - dimensional mathematical model in an orthogonal curvili near coordinate system. the change of bed - load transport rate, and redeposition r ate are predicted. the influences of the excavation project on navigation are ana lyzed. grid - type and flat - type excavation alternatives are proposed and discuss ed
文摘:採用正交曲線坐標系下的河道平面二維數學模型，研究了嘉陵江何家磧邊灘采砂后河道流勢、流態、灘槽流速、主流位置、水面高程及比降的變化規律，預測了采砂方案完成後卵石推移質輸沙率變化及其對航道的影響，並對格形開挖和平整開挖方案進行了比較分析The paper calculates and analyzes the influences of the initial pressure, the volume of the expansion chamber, and the throat diameter of the nozzle on the non - loaded performance of the circuit breaker, and presents the variation of the state parameters of the expansion volume and the flow field during interruption period, also predicts the nature of the self - extinguishing circuit breaker
本文分析計算了起始壓力、膨脹室體積及噴口喉部直徑的變化對斷路器空載特性的影響，給出了斷路器膨脹室狀態參數及滅弧室內氣流場在斷路器開斷過程中的變化，得到了自能式sf _ 6斷路器固有的特性。The experiment of privates providing public goods includes subjects, initial endows, providing mechanism and payoff function, the reason that the practical voluntary contribution excels the dominant equilibrium is human behavior with homo - economics, including pure altruism, warm - glow effects. reciprocal, conformity effect and noise ; reducing the contribution cost may improve the level of voluntary contribution, incentive mechanisms include dynamic game, stake distribution, encouragement and punishment, symmetrical information, communicating each other and re - grouping
摘要公共產品私人提供實驗一般包括實驗受體、初始稟賦、供給機制和支付函數等，公共產品私人提供偏離占優策略均衡主要是因為人的行為對利己、理性的背離，包括利他主義、光熱效應、互惠行為、遵奉效應以及噪音或決策失誤等；而通過降低公共產品的私人貢獻成本可以提高公共產品私人貢獻水平，這種激勵機制主要包括博弈動態化、合理分配賭注、建立獎懲機制、公開貢獻信息、受體相互交流以及受體重新分組等。Parameters of the dynamic statistical model at the time - varying parameters, variation of parameter reflects the variable trend of seepage
動態模型的統計參數是隨時間變化的時變參數，參數的變化反映了大壩的滲流變化趨勢。In addition to, we summed the results of fields outcrop and fluvial engineering, established the geological thesaurus. ration the different type of fluvial channels shape parameters. then matched the logging interpretation model of shaliness. porosity unit, permeate ratio and hydrocarbon saturation originality, because using the measure of multianalysis and network. the precision is higher than the result of onventionality, so laid the fundation of knowing the characterof reservoir
此外，總結了國內外野外露頭及河流工程的研究成果，建立了研究區的地質知識庫，初步量化了不同類型河道的形態參數。還建立了不同類型河道的泥質含量、孔隙度、滲透率、原始含油飽和度的測井解釋模型，由於引入了多元擬合及人工智慧神經網路等手段，其計算精度高於常規解釋結果，為精細分析儲層內部性質奠定了基礎。In the theoretical aspect, performance analytical model of was proposed, in which allowances were made to allow for variable cross - sectional area, include the heat release of chemical reaction, and allow for mass addition. software was generated, and performance of rocket ejector was analyzed accounting for heat release location, flow parameters and structural configuration
在理論方面，建立了引射火箭模態的性能分析模型，該模型考慮了化學反應放熱、加質和變幾何截面的影響；編寫了相應的軟體，並結合放熱位置、流動參數和發動機結構進行了引射火箭的概念設計。Based on the fractal character of the small watershed topographic feature, the spatial and temporal variation character of sediment yield of the watershed model, the dynamic developing process and fractal character of the topog raphic feature of the watershed model, and the coupling relationship between the sediment yield and the topographic feature of the watershed model are " studied by simulate experiment, fractal theory, high precise photogrammetry and gis technology. the validation research is conducted in chabagou watershed where the observation data of rainfall, sediment and runoff for 11 years is collected. the study provides new theory and method for the topographic feature quantitative research in the prediction model of small watershed sediment yield
本文依據流域地貌形態所具有的顯著分形特徵，從模擬實驗出發，利用分形理論和方法，結合高精度攝影測量和gis技術，對流域模型侵蝕產沙時空變異特徵、地貌形態發育過程及其相應的分形特徵、流域模型侵蝕產沙與地貌形態耦合關系進行了深入研究，並以具有11年降雨泥沙徑流觀測資料的岔巴溝流域為例進行了驗證研究，為實現從單坡面侵蝕產沙模擬、預報向流域侵蝕產沙模擬、預報轉化過程中地貌形態參數的提取提供了理論和方法，為黃土高原小流域水土流失綜合治理提供了科學實踐依據。Considering the water spraying can effectively increase the contact area between gas and water and promote the hydrate production rate, a batch reactor with water spraying was built in order to experimentally investigate the forming performance of natural gas hydrate, the system ' s state parameters ' variation and its effect on induced time of initial pressure and water temperature
摘要考慮到水的霧化可以有效提高氣水接觸面積，有助於提高水合物生產速率，設計和建造了一個半間歇式霧流強化水合物實驗裝置，用於探索和揭示噴霧強化天然氣水合物制備過程的基本特性，包括制備水合物的形態特徵，形成過程中參數的變化規律，以及系統初始壓力和初始水溫度對形成過程誘導時間的影響。Material patterns are not only the conformation that minorities are subject to the cultural mainstream, but also the foundation from which minorities seek for their cultural identity and resistance
物質形態是少數族裔從屬于主流文化的形態，但同時也是少數族裔或者族裔認同和文化反抗的基礎。Therefore, the paper establishes the parallel computing platform and meets the demand of computing resources for large eddy simulation. it also studies the integration of cad / cam, grid generation system and cfd system, and brings the model computed in the paper into this system. on the bases of systematical and thorough numerical simulation researches in circular cylinder and the compares between instantaneous piv metrical results and numerical results of circular cylinder, the paper obtained some problems and several conclusions which should be noticed in les for making correct computatioa finally, by using these experiences and conclusions above and by putting them into an actual problem in engineering - optimized numerical simulation of static mixer, this paper achieved the turbulent high - level numerical simulation technique, i. e., system atical attempt in engineering application by les method
為此，搭建了微機并行計算平臺，解決了大渦模擬對計算資源要求；對cad cam 、網格生成與cfd系統集成進行研究，並將論文中所要計算的模型納入到此系統內；在對圓柱繞流問題進行了系統和深入的數值模擬研究和對圓柱繞流瞬態piv測量結果與數值計算結果進行比較工作基礎上，得到大渦模擬方法正確計算所需要注意問題和若干結論；最後利用以上得出的計算經驗和結論，通過對一個實際工程問題? ?靜態混合器優化的數值計算，完成了cfd中湍流高級數值模擬技術? ?大渦模擬方法工程應用的系統嘗試。Around the globe. these features include dynamic load leveling across all available bandwidth, automatic alternate path selection, network - based error detection and recovery, traffic prioritization, data compression, and pipelining
帶寬的動態測量、網路路徑自動選擇、網路級的錯誤檢測及恢復、數據傳輸的優化、數據壓縮、流水線技術等。A new method is developed to predict the temperature distribution of cooling - plate with non - uniform heat load on the surfaces, meanwhile, two types of cooling - plate used in the environment control system of airplane are studied experimentally under conditions of different reynolds number of air and surface heat loads
摘要提出了一種新的冷板簡化數學模型，把翅片摺合成導熱系數?各向異性的等效厚度層實芯板，將冷板與空氣的對流換熱作?等效層的穩態導熱問題，計算了表面熱源非均勻條件下冷板的溫度分佈。Based on a large amount of experimental data, nonlinear analysis, such as complexity theory, and approximate entropy ( apen ) which is adopted systematically in the fluidization research the first time, are implemented in the time series analysis of pressure fluctuation and particle concentration in gas - solid fluidized beds, and the nonlinear characteristics of fluidized beds are discussed comprehensively
本文在大量實驗數據基礎上，將非線性方法，包括復雜性理論，以及首次被系統引入流態化研究的近似熵，應用到氣固流化床壓力及顆粒濃度脈動時間序列分析中，較為系統地探討了流化床的非線性特徵。This provides a new method to confirm the non - linear characteristic of gas - solid fluidized bed. chaos theory are now widely used in the study of fluidized beds, however, due to many algorithm problems, the stability of the results are still poor
混沌理論作為研究的熱點，被廣泛應用於流態化理論研究中，但是混沌學研究中的幾個重要參數的計算在演算法的實現上存在諸多問題，計算的結果穩定性較差。分享友人