水動力的 的英文怎麼說
中文拼音 [shuǐdònglìde]
水動力的
英文
hydrodynamical-
" a submarine powered by baking soda.
「蘇打作動力的潛水艇」Multispectral data for bathymetry is often performed in relatively clear shallow waters, up to now, no one use multispectral data for bathymetry in estuary waters of yellow river, where the highest sediment concentration in the world has been observed. in another part of this thesis, multispectral data acquired by landsat - 5 tm and in situ data are used for bathymetry in estuarine waters of yellow river. statistical models based on one band and two bands of tm respectively are developed
利用兩期水深的比對可以揭示黃河水下三角洲的沖淤演變規律,但由於實測水深資料獲取較為困難,因而利用遙感來反演水深是一個重要的選擇,為此,本文在黃河口海現代黃河三角洲沖淤演變規律與遙感應用研究端走取兩個試驗區進行了多光譜遙感水深反演試驗,試驗結果表明,在極高泥沙濃度、較強水動力條件的黃河口海域,用多光譜遙感反演水深是可行的。The article is based on nation nature science foundation of china, " biogeochemical cycling of pollutants in complex environments of tidal flats in the yangtze estuary " ( no. 40131020 ). the author chose open tidal flat of dong tang chongming yangtze estuary as research object and set up typical section plane so that under the good condition, the author measured hydrology element, total nitrogen and total phosphor index
本文依託國家自然科學基金重點項目「長江口濱岸潮灘復雜環境條件下物質循環研究」 (批準號: 40131020 ) ,選擇了長江口崇明東灘敞開型潮灘為研究對象,設置典型斷面,在平靜天氣條件下,實測了水文、地球化學要素,獲得了水位、流向、流速、 tn及tp等指標6000多個實測數據,著重對長江口潮灘水動力過程、 tn和tp的動力輸移過程進行研究。About the load, consider the vertical load, when under the action of water, consider the horizontal still water press, the press which erects to the surface of slide, and consider the effect of hydrodynamic load and earthquake. ( 3 ) the software about the frame design, apply the stiffening bar method and elastic foundation method to account the endogen
對于荷載(或工況) ,考慮了外加垂直荷載;在有水作用的情況下,考慮了水平靜水壓力,垂直滑面的靜水壓力(也叫浮托力) ;考慮動水壓力的影響;同時也考慮了地震的影響。Under the hydrodynamitic condition in the outshelf heavy minerals are enriched to a certain extent. they are of horablede - epidote assemblage and contain some authigene ( pyrite and glauconite ). the content of stable mineral is small and mineral maturity index ( trzg / hp ) is low
在外陸架水動力的作用下,重礦物有一定富集,重礦物以角閃石?綠簾石礦物組合為特徵,含有一定量自生礦物(黃鐵礦和海綠石) ,穩定礦物少,礦物成熟度低。( 3 ) the blockage of filtering bed and the thickening of the argitan can cause the change of hydrodynamic properties in the filtering bed, which leads to the decrease of water quantity
( 3 )濾床堵塞和泥膜增厚可能產生濾床中水動力特徵的改變,會產生非飽和流導致出水量的衰減。By hydraulic modeling, this paper describes studies on the stability of a floating bulkhead operating in standing water and flowing water, and it ' s hydrodynamic stability characteristics that distinguish in standing water from in flowing water ; and direct measurements of the forces acting on the model floating body during floating and sinking is taken. as a result, the rotation stress curves are produced and analyzed ; to provide data for optimum operation schedule analyses of the sluice, the relationship of the impact forces acting on the side wall of the gate and the running speed is studied ; the reasons of unstably uplifting of the bulkhead are discussed and the method to solve the problem is also given in this paper
本文結合常州新閘防洪控制工程水工模型試驗,系統分析了浮箱門在靜水和動水中的穩定性及其影響因素,指出靜水穩性和動水穩性的不同特點;試驗測定了浮箱門動水運行時的受力情況,給出並分析了定位過程轉動力的變化過程曲線;根據浮箱門啟閉速度與門體和岸墻之間撞擊力大小的關系,選擇合理的動力設備,為設計和工程實踐提供可靠依據;分析浮箱門難以穩定上浮的原因,並給出解決方案。The research of fluvial incision in the future will explore more scientific problems concerning both fluvial dynamics and geodynamics
未來流水下切研究要在流水動力學和地球動力學兩方面探索更多的科學問題。This indicates a hydrodynamic condition with a very marked potentiometric gradient.
這說明水動力條件具有很明顯的位能梯度。Not all accumulations of hydrocarbons are necessarily the result of hydrodynamics.
並不是所有烴類的儲集都必然是水動力的結果。Compared to an ordinary rudder, the value of lift coefficient of ichthyoid rudder is about 30 % higher and the maximum rudder angle of it nearly reaches 45 degrees. ichthyoid rudder is a design under such a conception as to effectively utilize the propellers slipstream for rudder action, and featured by having a fish - shaped one - piece construction that is to say - no part of ichthyoid rudder can move in the water
其研究的魚形舵是一個沒有在水下移動的魚尾形剖面單片結構,增加了全舵的剖面拱度,使螺旋槳尾流的折射水量增強,進而增大了水動力的作用,使之比普通流線形舵的升力提高30左右。The effect of reynolds number on rudder hydrodynamic performance is also analyzed. up to the stall angle the computed lift and drag agree well with measurements and other author ' s calculations, whereas stall angle, lift and drag beyond the stall angle are slightly under - predicted. the solver is used to investigate laminar and turbulent separated flows around a 6 : 1 prolate spheroid at high incidence angles and their effects on hydrodynamic forces
應用所開發的求解器,以naca0015翼型舵為算例計算了船舵在不同雷諾武漢理三;大學博士學位論文數下大舵角范圍內的三維粘性流場及水動力,成功地預報了舵的失速角和最大升力,並初步探討了雷諾數對舵水動力的影響;計算結果與現有試驗和計算數據比較,吻合程度相當好,初步檢驗和驗證了該求解器精確模擬粘性流動和計算水動力的能力。It is found out that both depth and forward speed have considerable effects on hydrodynamic coefficients of ship
數值結果顯示了水底效應對航行船舶水動力的影響,為進一步研究淺水航行船舶的耐波性提供了基礎。The computations are shown to agree well with available experimental and numerical data and the physics of 3d large - scale flow separations and vortex shedding are confirmed. the simulation of the flow around a maneuvering wigley hull is a demonstration of capability for calculations of sway forces and yaw moments acting on a hull moving obliquely at a large range of yaw angles. the focus of study is large - scale cross - section separation flows, bilge - vortex development along the hull in the longitudinal direction and their effects on hydrodynamic forces
應用所開發的求解器,以wigley船型為算例計算了大角度斜航船體粘性流場和水動力,分析了漂角的變化對船體所受到的粘性水動力的影響,相當精確地預報了以橫流分離和般渦生成與泄出為特徵的操縱運動船體特有流動形態及橫向水動力和轉脂力矩,經與現有試驗和計算數據比較,檢驗和驗證了該求解器精確模擬繞斜航運動船體的大尺度分離流動和計算非線性水動力的能力。Analytical solution to the interaction between linear water waves with a rigid vertical porous cylinder is derived
導出了線性波浪作用於上部可滲透的直立剛性圓柱體上的水動力的解析解。The method not only brings a new method for the calculation of the hydrodynamics of ship hull, but also provides an interface effect having no sew between the ship computer aided design ( cad ) and ship computational fluid dynamics ( cfd )
它不僅為船體水動力的研究帶來了新的處理方法,而且在船舶計算機輔助設計與船舶流體動力學之間起到了無縫的介面作用。In this respect, it tends to be an alternative of towing tank tests. the solution of 3d viscous flows around a ship in steady straightforward courses is capable of capturing more nearfield flow features than model tests and predicting viscous resistance with high accuracy, whilst for viscous flows around a ship in maneuvering motions such predictions are only in general good
三維船舶粘性流計算方法,具有準確捕捉船體周圍粘性流動細節包括船模試驗難以測量的流動形態的能力,已成功地應用於船舶快速性方面的阻力預報;在船舶操縱性方面,這類方法雖處于初始發展階段,但也已獲得重大進展,具有精確預報船舶操縱水動力的潛力。Incorporating the non uniform rational b spline ( nurbs ) which is the only definition of the form of industry products, the author selects the method of b spline to do the numerical computation research work of the hydrodynamics of three dimensional ship hull based on the reading and analysis of the documents about hydrodynamics, especially the interaction hydrodynamics
作者在對與船體水動力尤其是干擾水動力的研究相關的文獻的閱讀與分析的基礎上,結合作為定義工業產品幾何形狀的唯一數學描述的非均勻有理b樣條方法,選擇b樣條(統一成非均勻有理b樣條形式)來進行有關三維船體水動力的數值計算研究工作。In the aspect of ship maneuvering hydrodynamics, taking bulk carriers and oil tankers for an example, the prediction was done ; in the turning circle, different ships under different rudder angles were studied and predicted ; in the zigzag curve, different ships under constant rudder angle were studied to predict another two ships
在操縱運動水動力方面,以散貨船和油船為例探討應用bp網路完成水動力的學習和預報;在回轉圈方面,完成了不同船舶在不同舵角下的學習和預報;在z形曲線方面,對不同的船舶在同一舵角下進行學習,預報了另外兩艘船舶的z形曲線。Influenced by flood dominated current in the flood channels, the characteristics of surface sediments, such as grain size, light and heavy minerals, micro - paleontology and magnetism in the flood channel are very different from those in the ebb channels, this kind differences is the response for complex hydrodynamic in estuary
河口漲潮槽在漲潮優勢流作用下,槽內表層沉積物的粒度、輕重礦物、微體古生物和磁學等特徵不同於落潮槽相應的沉積特徵,體現了沉積物的分佈對河口復雜水動力的響應。分享友人