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diffluent adj.1.流出性的,分流性的 (opp. conflu...

diffract

Current . in order to make diffluent piers with low ridge to be popularized and applied , the surface wave of low fr . current is chosen as the research object . we measure the surface wave elements and the velocity distribution of various diffluent piers scheme by the experiment of physical model . we also analyze the average wave height , the the average value of the square of wave , unit width of the wave ' s energy , the probability density distribution of wave height , and the power chart character , so as to reveal the weakening wave mechanism of the diffluent piers 低fr水流的核心是波浪問題,為了低坎分流墩的推廣應用,本研究以低fr水流的表面波浪作為研究對象,通過物理模型試驗,對各種分流墩方案消能工的下游水面波浪要素、流速分布進行測試,分析低坎分流墩下游波浪的平均波高、均方根、單寬波能、波高概率密度分布及功率譜特性變化規律,從而揭示了低坎分流墩的削波機理。

The system properties of single - loop system , such as velocity , torque , bifurcated power , transmission efficiency are researched deeply using theoretical analysis and numerical computing , and gives new methods for designing which according to the design parameter a and combine with the system diffluent coefficient q and the ratio of x , p cell transmission . so the theoretical expressions for designing this kind of transmission is established . the design parameter a is put forward as the ratio of confluent power and the input power of single - loop system 通過對單環路系統的運動學和動力學特性、功率流特性、傳動效率特性等所進行的理論分析和數值計算,提出了以單環路系統主支路功率大小與輸入總功率的比值為關鍵設計參數的設計新方法,并結合系統的功率分流系數q和各組成單元的傳動比,得到了單環路系統的速度、力矩、功率流、傳動效率等計算公式,為該種傳動類型的設計提供了必要的理論依據。

The second aspect is to combine the historical and actual analysis by synthesis and the sale practicality to demonstrate a league - cooperation marketing model , which is developed from assistant - selling model and direct - selling model , keep their advantages and avoiding its shortage , which resolving successfully diffluent problem with people , property and goods in selling process 該模式是在助銷及直營模式基礎上發展起來的,是一種先進的銷售管理模式,結合了二者的優勢,避免了二者的局限性,成功解決了公司銷售過程中的人、財、物的分流。

What ' s more , we put forward some experienced formulas on the basis of the cortical analysis . the result of the research show that by installing diffluent piers with low ridge , we can eliminate the root of oscillatiny water jump , perfect the energy dissipation effect of water jump , also , we can improve the flow condition of down - stream . the fact that the main flow of down - stream is in the middle , not only effectively lower the speed of the bottom flow in the ridge rear , alleviate the erosion to the river bed , but also avoid the heavy wave resulted from the main flow in the surface , thus improve the surface wave of down - stream obviously . we can work out the body style parameters of diffluent piers with low ridge according to the project flow condition and experience formulas , and then reckon the down - stream surface wave condition for the protected building of the down - stream bank 研究結果表明:設置低坎分流墩后,消除了擺動水躍水舌擺動的根源,提高了水躍的消能效果,改善了下游水流流態。下游水體的主流在中部,既有效的降低了坎后水流底流速,減輕水流對河床的沖刷,又避免了主流位于表面導致波浪過大的結果,下游的水面波浪明顯得到削減。依據經驗公式,可根據工程水流條件設計出低坎分流墩的體型參數,進而估算出下游沿程的水面波浪,為下游岸邊的砌護提供依據。

A new genetic algorithm based on diffluent mechanism ( dmga ) is put forward . its strategy is that excellent seeds are set limit to reproduce , certified seeds are crossed and bad seeds are mutated . the crossover probability and mutation probability is adjusted by the evolutionary equality 提出一種基于分流機制的新型遺傳算法( dmga ) ,該方法采用優種限量繁殖,達標種交叉和劣種變異的策略,交叉和變異概率根據進化質量自適應地調整,使種群具有很強的可進化性。

Firstly , simulate flow field of rear smoke channel , plot velocity magnitude and ash concentration distribution in section of entry of heat pipe air preheater , compare with data which were measured in guiyang power station , verify simulation to be reasonable and right . secondly , simulate all kinds of factors which affect flow field ' s uniformity such as length , thickness , location of diffluent board , ash concentration , ash diameter , and so on , find the chiefly factors . thirdly , install guide board in curve channel in rear smoke channel , then simulate its “ flow field , plot velocity magnitude and ash concentration distribution 在此基礎上模擬在冬夏兩季不同情況下,不同流速對熱管空氣預熱器壁面溫度的影響;然后對影響整個流場分布的各種因素:包括分流板長度、厚度、偏離中心流道位置的偏離度、飛灰濃度、飛灰粒徑等因素進行數值模擬;最后提出在分流煙道轉彎處加裝導流板,并模擬加裝導流板后的流場分布,得到下級空氣預熱器出口、熱管空氣預熱器進口處的斷面速度場分布、濃度場分布,以論證加裝導流板能達到流場均勻化的作用。

The upper of the east model boundary remains constant head and the at the lower of it , there might exists a diffluent interface . so the east and west sides of the diffluent interface are respectively the drainage area of east and west karst - groundwater of yellow river 模型東界上部以黃河水位為第一類水頭已知邊界,下部必存在一個分流面,分流面東西兩側分別是黃河東西兩塊巖溶水的排泄區,該分流面可視為零流量邊界。

In order to diffluent the tourists from the high lever tourism area to the low level tourism area , certain steps should be adopt to make sure the holistic area development , also make the destination in different level under control 要實現低級別旅游地對高級別旅游地的分流,通過一定的措施能達到區域旅游的整體發展,而且將不同級別旅游地的旅游環境承載力控制在可承受范圍之內。

Low - level cyclones usually imply horizontally confluent flow and vertically rising air resulting in inclement weather . low - level anti - cyclones bring in fine and stable weather due to horizontally diffluent flow and vertically sinking air 低空氣旋表徵水平匯聚、垂直上升的不穩定氣流,可以導致惡劣天氣產生;低空反氣旋則代表水平輻散、垂直下沉的穩定流場,伴隨著晴朗的天氣。

Additionally , it has utilized the harvest of the diffluent and confluence cross experiment made by beijing university of technology , which has enhance the application of the software and be of innovation 同時,軟件利用了北京工業大學建筑環境與設備實驗室多年來在帶調節拉桿閥片的合流及分流四通局部阻力系數的實驗研究成果。這一點,將擴大了軟件的工程應用范圍。

We look for the optimum alternative on the basis of analyzing the internal connection of the diffluent piers body style parameters and the wave 在分析分流墩體型參數與波浪間的內在聯系的基礎上,尋找較優的分流墩方案,并在理論分析的基礎上提出一些經驗公式。

By analyzing the optimal diffluent ratio and solder angle of the dies , the maximum stress in the body of improved dies is de - creased effectively 對模具的分流比和焊合角進行優化并再次模擬,發現分流模的最大應力大大降低。

Abstract : the structure and machining process of plane diffluent compounddie are introduced 文摘:介紹了平面分流組合模的結構和加工工藝。

Research on peculiarity of wave in the downstream of diffluent piers with low ridge 低坎分流墩消能工下游水流波動特性研究

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