重力輸水管道 的英文怎麼說
中文拼音 [zhònglìshūshuǐguǎndào]
重力輸水管道
英文
gravity main- 重 : 重Ⅰ名詞（重量; 分量） weight Ⅱ動詞（重視） lay [place put] stress on; place value upon; attach im...
- 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
- 輸 : Ⅰ動詞1 （運輸; 運送） transport; convey 2 [書面語] （捐獻） contribute money; donate 3 （失敗） l...
- 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
- 管 : Ⅰ名詞1 （管子） pipe; tube 2 （吹奏的樂器） wind musical instrument 3 （形狀似管的電器件） valve;...
- 道 : Ⅰ名詞（道路） road; way; route; path 2 （水流通過的途徑） channel; course 3 （方向; 方法; 道理） ...
- 重力 : [力學] gravity; force of gravity; gravity force; power of gravity; pull of gravity; gravitational...
- 管道 : [工業] pipeline; channel; tunnel; piping; canalis; pipe run; duct; conduit; conduit pipe; ducting...
-
The article, divided into 3 periods, describes the history of the development of zhujiang river ' s waterway transportation, and gives us a true picture of zhujiang river ' s waterway transportation in the following aspects : societal economy of zhujiang river valley, present conditions of fairway, harbors, ships and supporting & guarding systems such as waterway transportation industry, communication, piloting, and etc. the main contents include the characteristics of zhujiang river ' s layout, the fulfillments of zhujiang river ' s waterway transportation and the quantities of passengers and cargoes that zhujiang river carried, laying emphasis on the conveyance method and characteristics of zhujiang river as a main and important waterway transportation channel, and introducing characteristics of the fairway layout of the zhujiang river, present conditions of fairway grading structure, layout characteristics of the harbors in zhujiang river valley, harbor ' s handling capacity & container harbor ' s present situation, and gross tonnage & layout characteristics of shipping capacity of zhujiang river valley, ships " technical conditions and transportation methods
論文分三個階段論述了珠江航運發展的歷史沿革。從珠江流域社會經濟、航道、港口、船舶，以及水運工業、通訊導航等支持保障系統等方面論述了珠江航運的發展現狀，分析了珠江水系河流分佈特點，珠江航運生產，客貨運輸量，並重點論述珠江水系水運主通道和重要河道的運輸方式和運輸特點；珠江航道分佈特點、航道等級結構現狀；珠江水系港口分佈特點、港口吞吐量及集裝箱港口現狀；珠江水系船舶運力的總量、結構及分佈特點，船舶的技術狀況、運輸方式等。論文分析了珠江航運發展存在問題及制約因素，珠江航運發展存在的主要問題，一是內河航運建設資金投入不足；二是水資源未得到綜合利用；三是航運管理體制不順；四是技術裝備落後，限制了內河航運優勢的整體發揮。Based on optimization theories of genetic algorithms and the linear programming, a series of optimal design mathematics models and methods of water transmission conduits and water distribution networks have been presented, in the light of their characteristics. the results are as follows : 1 the linear programming models and calculations of the pressure gravity conduit, the gravity pressure conduit and channel, the pressure conduit with pump station and the pressure conduit in considering pump station flow variations are presented respectively
本文針對不同類型的輸水管線和配水管網系統的特點，應用遺傳演算法和線性規劃等優化設計理論和方法，對其優化設計問題進行了較為系統的研究，成果如下： 1分別建立了重力輸水管道系統、重力輸水管渠系統、泵站加壓輸水管道系統以及考慮流量變化的泵站加壓輸水管道系統優化設計的線性規劃數學模型，並提出了計算方法。By use of grid - shaping skill and multi - grid solver, the flow - induced vibration of the fluid - conveying pipe in water is studied. the vibration mechanism of the fluid - conveying pipe in water is analyzed, the lift and drag acting on pipe in water are calculated. the results obtained are analyzed and compared to the experimental data referred to
首先對水下輸液管道繞流渦激振動的機理進行了分析，然後，利用網格生成技術及多重網格法求得了輸液管道在不同來流條件（雷諾數）下的橫向升力系數及縱向阻力系數，最後對計算結果進行了分析，並將其與已有的間接實驗結果進行了對比。Research on pressure current rush to interception air - mass in pipeline based on the study of gas properties in pipeline system, the research which was performed through physical experiments and mathematical modeling calculation, current rush to interception air - mass contents in different pipeline, the influences of different stop gate closing - velocities to pressure current rush to interception air - mass in pipeline and some other factors, were given much consideration on the influence of current rush to interception air - mass in pressure pipeline
2 、輸水管道系統中壓力水流沖擊氣團研究在對輸水管道系統氣體特性研究的基礎上，通過試驗對壓力水流沖擊截留氣團進行了研究，著重研究不同的截留氣團含量、不同的閥門關閉速度等對水流沖擊管道截留氣團的影響。分享友人