水頭面 的英文怎麼說

中文拼音 [shuǐtóumiàn]
水頭面 英文
hydraulic head surface
  • : 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...
  • : Ⅰ名詞1 (頭的前部; 臉) face 2 (物體的表面) surface; top 3 (外露的一層或正面) outside; the ri...
  • 水頭 : waterhead; head; flood peak水頭落差 head fall; 水頭坡降 water table gradient
  1. The piezometric head is also measured from the same datum level.

    測壓亦應從同一基準算起。
  2. Sand has accumulated in a deltaic pattern on both the marine and lagoon sides of the inlets in conjunction with this diminishing current flow.

    隨著流速度的減慢,砂質物遂以三角洲的形式堆積在進向海洋和瀉湖的兩
  3. 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位為第一類已知邊界,下部必存在一個分流,分流東西兩側分別是黃河東西兩塊巖溶的排泄區,該分流可視為零流量邊界。
  4. I must dip my hand again and again in the basin of blood and water, and wipe away the trickling gore. i must see the light of the unsnuffed candle wane on my employment ; the shadows darken on the wrought, antique tapestry round me, and grow black under the hangings of the vast old bed, and quiver strangely over the doors of a great cabinet opposite - whose front, divided into twelve panels, bore, in grim design, the heads of the twelve apostles, each enclosed in its separate panel as in a frame ; while above them at the top rose an ebon crucifix and a dying christ

    我得把手一次次浸入那盆血裡,擦去淌下的鮮血,我得在忙碌中眼看著沒有剪過燭蕊的燭光漸漸暗淡下去,陰影落到了我周圍精緻古老的掛毯上,在陳舊的大床的帷幔下變得越來越濃重,而且在對一個大櫃的門上奇異地抖動起來柜子的正分成十二塊嵌板,嵌板上畫著十二使徒的目猙獰,每個單獨佔一塊嵌板,就像在一個框框之中。
  5. Our company mainly deals with various kinds of marble and granite products including tiles, slabs, countertops, vanities, worktop, paving stone, window set, mosaic, staircase, carving, etc

    建材,石材,大板,臺板,工藝品我司擁有10多年的師材加工和銷售經驗,在廈門和各有一家工廠
  6. At that hour of the night the narrow, damp well of a court, with its pestiferous water closets, its fountain, its back view ot the kitchen stove and the collection of plants with which the portress used to litter the place, was drenched in dark mist ; but the two walls, rising pierced with windows on either hand, were flaming with light, since the property room and the firemen s office were situated on the ground floor, with the managerial bureau on the left, and on the right and upstairs the dressing rooms of the company

    這時候,狹窄的院子很潮濕,乍看上去像一口井的井底,周圍是臭氣熏人的廁所,,廚房的爐灶,還有女門房胡亂堆放在那裡的草木。這一切統統籠罩在黑色煙霧之中然而,開在兩堵墻上的各扇窗戶裏卻燈火輝煌。樓下是存放道具的倉庫和消防處,左邊是辦公室右邊和樓上是演員化妝室。
  7. The sand carried outside the bar is spread out over the slope by the expanding head of the rip current.

    從砂洲外搬出去的砂質物,在急流的洶涌作用下被展佈於整個斜坡上。
  8. The calculated result from an example shows that the stable sectional area reduces with the increase of working head, or the decrease of the tailrace tunnel length

    計算結果表明,尾調壓室斷積隨輪機工作的增大或尾洞長度的縮短而減小。
  9. The impacts of both the velocity head and momentum distribution in the t - junction of a tailrace surge tank on the critical stable sectional area of the tank were analyzed by using gardel ' s empirical equations for t - junction flow. based on thoma ' s theory, a formula of the critical stable sectional area is derived. 5

    基於gardel關於三通管損失的經驗公式,研究分析了連接管處的速度以及進出調壓室體與尾隧洞體之間的動量交換,對有連接管的尾調壓室穩定斷積的影響,並在托馬( thoma )假定基礎上,推導出相應的調壓室穩定斷的計算公式; 5
  10. Abstract : a research on theory and practice is conducted on the acoustic methods of discharge measurement in low head hydropower plant. taken hydraulic efficiency experiment in certain hydropower plant as examples, the general methods about how to locate the discharge measurement plane, install transducers and choose the integration methods are put forward. an improvement method is proposed finally

    文摘:從理論上和實踐上,對低電站超聲波測流進行了較為詳細的研究,並以某電站為例,對測流斷定位、聲路布置和積積分給出了一般方法
  11. 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、大泄流量情況時存在的一些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( 252m ) 、大泄流量( 1400m ~ 3 s )條件下旋流式豎井中的流運動特徵進行了比較全的測量,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、大流量條件下,豎井空腔段下部流速很高,盡管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。
  12. The value of correction coefficient of kinetic energy increases as a result. the water surface profiles of flume experiments are computed by three different methods : adjusting the local head loss coefficient, deduction of backwater area, and application of backwater expression

    隨后結合實測位資料,通過採用調整局部損失系數、扣除回積以及壅公式等不同的曲線計算方法對實驗槽一維曲線進行計算。
  13. The incident wave height h1 / 3 is in the range from 0. 1m to 0. 25m, and the peak period tp in the range from 1. 0s to 2. 0s. the ratio of s / h1 / 3, which refers to the subface level of wharf deck ( s ) to the incident wave height ( h1 / 3 ), is between - 0. 1 and 0. 7. three different shore connecting types : open - piled, permeable slope with armored 1ayer of dolosse b locks and impermeable slope with armored layer of concrete plate, are set in the experiment for the research on the effects of boundary condition with different shore connecting types on the wave impact

    本文的物理模型試驗在大連理工大學海岸和近海工程國家重點實驗室的大波流槽中進行,試驗中選用的隨機波靶譜為改進的jonswap譜,入射波波高h _ ( 1 / 3 )范圍為0 . 1m 0 . 25m ,譜峰周期t _ p范圍為1 . 0s 2 . 0s ,碼板的相對凈空(碼板底距離靜的距離s與入射波波高h _ ( 1 / 3 )的比值)范圍為- 0 . 1 0 . 7 ,其中s / h _ ( 1 / 3 )為負值時表示碼板底位於靜以下。
  14. This paper analyses the stress and deformation of the two lining structure types of the surge shaft surrounded with crush rock under the action of high water pressure by using fem, compares the two lining types ' s merits and demerits in stress, deformation, fracture state, the combining bearing of surrounding rock and lining structure, the safety and economics

    本文針對圍巖條件比較破碎,裂隙發育的調壓井洞室結構,就兩種襯砌結構型式分別進行了高作用下的有限元數值模擬,從調壓井襯砌結構選型角度分析對比了兩種襯砌結構型式在圍巖及襯砌結構應力與變形、襯砌結構鋼筋混凝土開裂、圍巖與襯砌結構聯合承載、結構安全儲備、經濟等方的優劣。
  15. As for actual embankments, the hydraulic head, cross section shapes, properties of filled soil, geological conditions and so on all vary greatly, it ' s hard to define precisely the distribution of seepage field and take effective seepage prevention measures

    因實際工程中堤防的作用、堤身斷、填土性質、地質條件等均千變萬化,導致難以全而準確地分析其滲流場分佈並採取有效的防滲措施。
  16. The transient cfd simulation including the spiral case, stay vane, guide vane, runner vane and draft tube at different operation points is studied fitly, then the result of the pressure distribution on runner blade is provided for the runner transient structural simulation by fluid - structure interaction ( fsi ) method

    文中首先對高小負荷的渦帶工況下混流式輪機內流場進行非定常cfd計算,得到渦帶工況下葉片表不同時刻的壓力載荷,並利用流固耦合方法對轉輪進行結構場瞬態特性計算,分析轉輪葉片的動應力特性。
  17. So far as the aqueduct with large discharge and lower head is concerned, the non - uniform flow will occur in the aqueduct, when the discharge is enlarged after the water - carrying section being determined based on the design discharge and the given head ; for which the flow condition must be presumed, so as to determine the water surface profile

    摘要大流量低渡槽根據設計流量和給定確定過后,通過加大流量時,渡槽內就會發生非均勻流,需對這種流情況進行推算,以確定渡槽在通過加大流量時的線。
  18. Comparison of water level between measured and computation shows that the local head loss coefficient cannot give head loss by spur dike completely, and the effective area of passage is difficult to be ascertain. for this reason the two methods for water surface profile computation cannot predict the raise of water level upstream the spur dike accurately

    計算結果表明,局部損失系數並不能完全反映出由於丁壩阻擋所帶來的損失,而丁壩附近的有效過積難以準確地確定,這些導致前兩種方法均不能很好地計算出丁壩上游位的壅高值。
  19. He found a hydrant, with a trough which had once been used for horses, but there was no towel here, and his handkerchief was soiled from yesterday

    他找到一個,下有一個原來用來飲馬的槽。可是沒有毛巾,他的手帕昨天也弄臟了。
  20. The section of piles from above the water of the piled jetties in service is seriously corroded or damaged due to atrocious environmental factors

    摘要現役高樁碼部分由於惡劣環境因素導致的腐蝕等破壞令人擔憂。
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