消力 的英文怎麼說
中文拼音 [xiāolì]
消力
英文
baffle-
To use the athwart gradient protection which takes the end of dam as the datum mark will reduce the digging depth of the stilling basins is reducing, and increase the energy dissipation rate
採用以壩體末端為基準面的壩體逆坡防護時，消力池挖深減小，消能率提高，壩面平均流速減小，壩區防護難度降低。The additional flow is formed by the device of dentoid baffle, and the application of the device of dentoid baffle cooperated with a stilling basin has been investigated by systematic model tests. based on the research results, the hydraulic problems such as the characteristics of hydrodynamic pressure and cavitation on the head of the denotid baffle, the properties of flow under the condition that the device of denotid baffle is used with a stilling basin, the hydraulic computation about a stilling basin, the estimation of energy dissipation and its various affection factors, the mechanism and effect of energy dissipation, and distributions of velocity and pressure and aerating concentration, etc, have been analyzed ; the method and step of hydraulic design of device of denotid baffle by which the additional flow is produced has also been proposed
文中利用齒墩設施實現附加射流，對齒墩設施與消力池聯合應用進行了大量的和系統的模型試驗，分析研究了中低佛勞德數條件下，齒墩墩頭的動水壓強及空化特性，齒墩設施與消力池聯合應用時的流態特性，消力池的水力計算，消能量的估算及其各種影響因素，消能機理和效果，消力池內的流速、壓強特性，摻氣濃度分佈等水力學問題，並提出了實現附加射流齒墩設施的水力設計方法和步驟。The water current flows over the top of the dentoid baffle to the hydraulic jump as additional momentum. while it is cooperated with a stilling basin, the flowing condition emerged in the basin may be improved greatly and the length and downstream water depth required by the basin can be decreased to a great extent. such an appliance may be also used to solve the problems of insufficiently dissipating water flow energy and aerating flow, which are often faced with those hydraulic engineering constraction as acted by high waterhead, great specific discharge and low froude number
本文通過齒墩頂部的擴散水舌所形成的附加射流，從上部射入水躍，即可改善消力池內的水流流態，又可降低第二共軛水深，減小水躍長度，增進水躍消能效果，同時還能解決大單寬、低佛勞德數條件下摻氣和消能不足的問題，試驗證實它是一種安全、經濟的消能工。( 4 ) enhancing the downriver cofferdam will make the lower reaches of a river dissipate more energy. however, it will increase erosion and the protection will be more difficult
抬高下游圍堰可以使下游分擔更多的消能任務，減輕壩區的沖刷和消力池的消能負擔。( 1 ) it was found from the obtained results that increasing of flux will led to decrease in froude no. of the following water at the shrinking section which will reduce rate of disspated energy, this will make the protection of dam surface more difficult
主要結論如下;隨著流量的增加，消力池收縮斷面弗勞德數減小，消力池的消能率減小。壩面平均流速增大，壩面的防護難度增加。The t type barrier stilling basin has developed to a new energy dissipation technology which is adapted for energy dissipation of underflow in recent years
T形墩消力池是近年來發展起來的新型消能技術，適用於底流消能形式。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水頭、大泄流量情況時存在的一些水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，對高水頭（ 252m ） 、大泄流量（ 1400m ~ 3 s ）條件下旋流式豎井中的水流運動特徵進行了比較全面的測量，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水流水力計算方法，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，歸納出豎井水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、在高水頭、大流量條件下，豎井空腔段下部流速很高，盡管水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。The improvement plan for the right bank revetment of the first - step stilling basin for the normal spillway of huangbizhuang reservoir is optimized for many times, which has met the requirements to save the investment, shorten the construction period, guarantee the continuity of the boundary and satisfy the operation of the project at last
摘要黃壁莊水庫正常溢洪道一級消力池右岸躺坡改建方案經過多次優化，達到了節約投資、縮短工程工期，保證了邊界的連續性，滿足工程運用要求。It is concl uded that dental baffle - pier can increase energy dissipation rate of stilling b a sin and decrease engineering cost. the obvious economic benefits and the expected effect of additional momentum hydraulic jump theory are achieved
結果表明:採用齒墩設施，可增進消力池的消能作用，並取得顯著的經濟效益，達到了附加動量水躍理論所預期的效果。Discussion on optimizing design of stilling pool in low - head sluice across river
低水頭攔河閘消力池優化設計探討The research of stilling pond of arch net floor originated in 1990, but its overall and systematic studies are still blank now
拱網消力池的研究始於1990年，對它進行全面系統的研究還是空白。The achievements that are discussing in this essay perfect the theory of the arch floor stilling pond and are extremely valuable to the engineering design
文中所述成果對拱網消力池的理論完善及工程設計具有一定的價值。The structure of the arch net floor is not only light but also cheap. it can be used either in new - built projects or rebuilt works. now it has had practical applications in several projects in jilin province and has shown its higher social and economic benefits
拱網消力池具有優異的水力特性和消能防沖效果，而且拱網結構輕便、投資少，既可用於新建工程，又可用於改建工程，經吉林省幾個工程的實際應用，已顯示出它所具有的較高的社會效益和經濟效益。This essay is devoted to the research of arch netfloor stilling pond ' s hydraulic property and characteristic of energy dissipation through a series of hydraulic model experiments. the parameters of arch net floor gap rate, aperture, pore shape and thickness of net floor that have influences on the hydraulic property are discussed also, and advances hydraulic design method of arch net floor stilling pond
本文通過水力學系列模型試驗，研究了拱網消力池的水力特性和消能特性，探討了拱網開孔率、孔形、孔徑、網板厚度等各項參數對水力特性的影響，並且提出了拱網消力池的水力設計方法。The paper also introduced the applied situation of the actual projects about the t type barrier stilling basin through the helong reservoir spillway ' s hydraulic model experiment
本文還通過河龍水庫溢洪道水工整體模型試檢，描述了t形墩消力池在實際工程中的應用情況。The numerical simulation validates that the flow tongue of jet is helpful to dissipate the energy of water. it also proves the effect of dissipating energy is better
模擬計算證明了入流水舌有利於能量的消耗，山從川（淪卜驗證了錐形閥消力池消耗能量效果好的特點。Accessing the data, the knowledge, the model and the relative parameter from database, knowledge - base, model - base and the interface, the expert system automatically infers and calculates the maximum depth and length of stilling basin the bantai hydraulic project and the xiangyanghe dam have been given as the example
以班臺閘和向陽河壩為工程實例，根據數據庫、知識庫、模型庫中的相關數據、知識經驗、模型，以及人機交互界面的相關參數，進行分析推理計算，求出最大消力池深和池長，對系統的相關功能模塊進行的驗證。The reason to creates this kind of destruction to be very many, the main of them is that the apron partially has not been able fully to display it to eliminate energy affect so causes the ditch bed to wash out, forms flushes the pit, leading to the apron, to guard against flushes the trough and both banks slope protection destruction, for a long time, disappear power design of plunge basin and layout have been focused on disappear power. but not to give the enough value on uses the sea to inundate the section to disappear power and adjust speed to reduced downriver washes out
水閘閘下沖刷破壞的部位絕大多數發生在消力池下的海漫和防沖槽處，造成這種破壞的原因很多，其中很大一部分是由於海漫部分未能充分發揮其消能作用而引起渠床沖刷，形成沖坑，導致海漫、防沖槽及兩岸護坡的破壞。一直以來，人們把消能的研究重點放在消力池的消能設計及平面布置上，而對海漫段消能及調整流速功能研究甚少，至於對海漫加糙水流運動建立數學模型，在國內外還很少見相關的論文資料。I tell you frankly that we are absolutely opposed to friction between the anti - japanese parties, which cancels out their strength
我可以率直地告訴你們，我們根本反對抗日黨派之間那種互相對消力量的磨擦。Based on the model experiments, the way how to manage the multi - outlet sluice lock was provided. above all, this hydraulic structure is both efficient and economic than traditional dissipater for the projects of low head & low fr current, it will reserve the abroad practice
本文認為低鼻坎消力戽和傳統消力戽的適用條件有很大的區別，前者完全可以在布置了電站和船閘且地質條件較差的工程中被採用。分享友人