conventional flow 中文意思是什麼

conventional flow 解釋
亂流方式
  • conventional : adj 1 因襲的,傳統的。2 習用的;平常的,常規的;形式上的。3 約定的,協定的;會議的。n ism 依從俗...
  • flow : vi 1 流,流動。2 (血液等)流通,循環。3 流過;川流不息;(時間)飛逝;(言語等)流暢。4 (衣服、...
  1. The direction of conventional current flow is counterclockwise.

    傳統的電流方向是逆時針方向。
  2. 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。
  3. Conventional resonant tunnel diodes allow currents to flow at a specific voltage, one at which the electrons have an energy that is resonant with the tunneling barrier

    傳統共振穿隧二極體在特定電位下可讓電流通過,此時電子的能量共振于(即等於)穿隧位障。
  4. A slot was cut in the back plate of the double - foil shield to improve the flow field with air diversion method. the flow field and droplets trajectory near the shield are simulated in wind tunnel by fluent software to analyze the wake flow affecting the spray drift. from simulation, the improved shield spray in reducing drift is better than double - foil shield spray and conventional spray in six types of wind velocity

    本文採用導流法在雙圓弧罩蓋上開口,利用fluent模擬分析和比較罩蓋噴霧流場,並模擬該流場下的霧滴運動軌跡來分析霧滴的飄失性,模擬結果表明:結構改進后的罩蓋噴霧流場得到改善,其減少霧滴飄失的效果好於原罩蓋,更優于常規無罩蓋噴霧。
  5. In the final part, from the company strategy viewpoint the further discussions have made to indicate the importance of better understanding and management of information from cash flow statement an alysis. in author ' s opinion, a good understanding and management of information from the cash flow statement analysis make it possible for a company to better use and manage the cash resource, improve the conventional accounting report analysis system and prevent the false accounting information in order to achieve an effective and successful management in the company ' s operating, accounting and long term strategy

    筆者認為,通過對現金流量表的深入透徹的理論分析和實證研究,能夠全面了解和掌握作為企業經營活動血液的現金的來源和運用狀況,把企業的經營狀況、財務狀況、戰略管理狀況同企業的現金流量緊密的聯系起來,同時對于完善傳統的財務報表分析體系,防止會計信息失真以及充分發揮現金流量管理在企業管理中的重要作用都有積極意義。
  6. This dissertation presents approaches to analyze the cash flow position, the financial position and strategy management of a company through the information from its cash flow statement. it has also shown how to establish a new cash flow analysis model, in both theory and practice, of a company by combining with the conventional accounting analysis results and other relevant company ' s information

    本文主要探討利用現金流量表的信息來分析企業現金流量狀況、財務狀況及企業戰略管理情況,並結合企業其他報表等相關資料及傳統的財務分析成果,從理論和實踐上力圖構建新的企業現金流量表分析模式。
  7. The results show that high inlet velocity and porosity is favorable for fuel cell performance. based on above - mentioned 3 - d mathematical model, a comparison study of pemfc with conventional and interdigitated flow fields has been conducted at last

    最後,基於前面建立的數學模型,比較和計算了傳統流道設計和交叉梳狀流道設計pem燃料電池的流場、電流密度和物料等的多維分佈。
  8. The factors include antecedent precipitation of low flow period and status of karst basins ( such as lithology, landform, drainage area, drainage density, length and ratio of demotion of main river and so on. ). based on the former studies, integrated the conventional statistic methods, the technique of anns is applied in this paper for researching the law of the low flow of karst basins in guizhou altiplano

    影響喀斯特流域枯水徑流的因素異常復雜,其影響因素主要有枯季前期降水量和巖性、地貌、流域面積、河網密度、主河道長度及其比降等流域下墊面狀況。本文在前人研究的基礎上,採用人工神經網路技術,結合傳統的統計方法,研究貴州高原上喀斯特流域的枯水徑流規律。
  9. A brief introduction is described which indudes the state of the art of research and design about the trashracks of conventional and pumped - storage hydroelectric plants, the necessary to research the flow - induced vibration of the trashrack bar by use of hydro - elastricity similaymodel and the background of this study

    對抽水蓄能泵站攔污柵流激振動的研究狀況、設計方法,本研究課題的背景和採用水彈性模型研究柵條流激振動的必要性作了簡要說明。
  10. According to the working modes of mr devices, combining the ohm ' s law of magnetic circuit and the design theory of non - steady magnetic circuit, magnetic structures of the automotive damper have been worked out. to emulate the performance of conventional shock absorber, two automotive mr dampers were designed and fabricated at chongqing university. an applied magnetic field increase the yield stress of mr fluids in flow annular passages, which alters the velocity profile of mr fluid in the passages and raise the pressure gradient between low cavity and high one at some given flow rates

    根據磁流變阻尼器工作模式,利用磁路中的歐姆定律和動態磁路設計原理,結合汽車懸架的技術要求和結構特點,提出了基於剪切模式和流動模式共同作用(混合工作模式)的汽車磁流變阻尼器設計原理,討論了阻尼器動態磁路設計中的若干技術問題;根據流體力學navier - stokes方程,分別利用newton流體特性和bingham流體特性,推導了基於平板模型和軸對稱模型的流變學方程,得出了阻尼器阻尼力的計算方法。
  11. Once up and running, oil - sands mines produce a steady flow of oil for 30 years or more, whereas the output of more conventional fields is much less predictable

    一旦建成運行,油沙礦在之後的30年或更長的時間里將持續不斷的提供石油資源,而那些傳統的油田的產量相對而言缺少可預見性。
  12. Although a variety of techniques, such as addition of surface area, swirl flow devices, vibration of heated surface, vibration of fluid, are applied to enhance heat transfer, major improvements in heat transfer capabilities have been held back because of the low thermal conductivity of conventional heat transfer fluids

    隨著對熱交換設備換熱表面強化傳熱技術研究的深入,換熱工質的傳熱性能已成為影響熱交換設備高效緊湊性能的一個主要因素,低導熱系數的換熱工質已成為研究新一代高效冷卻技術的主要障礙。
  13. ( 6 ) the ambiguity and uncertainty of reservoir actual structure and fluid flow mechanics make it difficult for conventional modeling and algorithms to describe and solve

    ( 6 )實際油藏構造和流動機理的模糊性和不確定性,使得傳統的模型和演算法無法或者很難描述和求解。
  14. To resolve the difficulty of installing flow sensors in the conventional microinjection system, based on the development status of mems and micro flow control technology, the possibility of constructing a kind of transgenic microinjection system is analyzed and explored

    為了解決常規系統中布置反映實際出流信息的傳感器的困難,結合微電子機械繫統和微流量控制系統的發展現狀,就構建基於mems的轉基因微注射控制系統進行了可行性分析與探索。
  15. Standard ( conventional ) port balls are up to one pipe size smaller than nominal pipe size, but still have significantly better flow than globe valves

    標準(常規)流道球閥用於管道直徑比管道公稱通徑小的管道,但是其流通能力仍然比截止閥好得多。
  16. Based on the concentration polarization models with conventional filter cake resistance and shear - induced diffusion, the critical point simulating model on cross flow microfiltration process in particulate suspension was developed

    摘要以傳統的濾餅層阻力和與誘導擴散相結合的濃差極化模型為基礎,建立了剛性顆粒懸浮液體系錯流微濾過程中模擬臨界點的數學模型。
  17. Pilot - scale experimental results showed that, comparing to conventional gravity filtration, the up - flow filtration has greater capacity in containing removed suspended solid and producing filtrate under the test conditions. coarse media with particle diameter ranging 0. 63 - 2. 00mm were used in order to apply relatively higher backwash rate of 21 l / ( m2. s ) for achieving better media clean - up after a filtration run. under the test conditions, the media thickness ranging 82 - 85 iron, water temperature ranging 6 - 27, and influx turbidity of 30 ntu, it achieved the results of the average filtration rate ranging 16 - 18 m / h, the average effluent turbidity of 1 ntu, and action cycle ranging 14 - 24h

    中試研究結果表明,粗石英砂濾料上向流過濾比傳統的重力流過濾具有更大的含污能力和產水量,為適用較高的反沖洗強度( 21l ( m ~ 2 ? s ) )以便濾料清洗更干凈,採用粒徑范圍為0 . 63 2 . 00mm的粗石英砂濾料,濾層厚82 85cm ,水溫6 27 ,進水濁度為30ntu左右等情況下,能獲得平均濾速為16 18m h 、平均濾后水濁度為1ntu左右、周期達14 24小時的好效果。
  18. Firstly, it designs the structure and functions of the system by the systematic analysis of the design work of the comparison of railway location projects. then, by analyzing the data involved in scrlid, the management of synthesis data in the design environment are proposed and implemented. finally, according to the conventional flow of the scrlid, the development of the subsystem of interactive design for railway location has been implemented

    本文主要完成了以下幾個方面的工作:以系統的觀點對線路方案比選工作做了詳細分析,設計了本系統的結構和功能;通過對線路方案比選過程中所涉及數據的分析,提出並實現了對線路方案比選綜合數據的管理;通過對線路方案設計過程的分析,完成了互動式線路方案設計子系統的開發。
  19. The advantages of this method were that the measurement results were n ' t affected by flow regime and the speed was faster than the conventional voidage measurement method by reconstructed ect image

    按三種流型建立模板庫,通過先進行流型的分類,再進行模板匹配的方法,減少了三分之二的運算量,大大加快了計算速度。
  20. The integrated simulation of wide area data distribution emerges as an issue with the interconnection and development of area network. while the conventional power flow and reactive power optimization methods are usually based on concentrated network data, the integrated network data simulation becomes intricate since the network power scheduling management by voltage levels and areas under various dispatching centers is hard to concentrate

    傳統的潮流、無功優化等方法都基於集中的電網數據資源,而當全網數據因電力調度管理的分層分區控制分佈在不同的調度部門難以集中時,如何對數據資源廣域分佈的電網進行一體化模擬就成了一個非常突出的問題。
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