hydraulic jump 中文意思是什麼
hydraulic jump
解釋
水力跳躍-
Using the model experiment data, the authors calculate the decreased percentage of water jump length, unit width hydraulic jump volume and the water depth downstream of the jump ; and also calculate the energy dissipation rate of dentoid baffle, it is concluded that the device of dentoid baffle can increase the energy dissipation rate of hydraulic jump theory and decrease the engineering cost
計算了新增齒墩設施的消能量，同時計算了新增齒墩設施的躍后水深、水躍長度和單寬水躍容積減少的百分數。結果表明，採用齒墩設施，可增進消能作用，並取得顯著的經濟效益，達到附加射流水躍理論所預期的效果。 -
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。 -
The results show that it is the numerical method of high analyzable degree for the hybrid tvd scheme combinated with fvm, and the scheme is not only sufficiently accurate and nonoscillatory, but also capable of treating automatically hydraulic jump
算例驗證表明：應用組合型tvd ? muscl格式配合有限體積法是一種高解析度的數值方法，且tvd ? muscl格式對于自動捕捉激波和抑制間斷附近的數值解波動十分有效，它對間斷具有高解析度。 -
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。 -
Submerged hydraulic jump
潛水的水力學跳躍 -
Notice the hydraulic jump that forms, and see how it changes as you vary the jet velocity, flux, and dish depth ( horizontal dish )
注意水躍的形成，當你改變噴射的速度，流量以及盤的深度（水平的盤）的時候，看看它是怎麼變化的。 -
Uning the experimental data, the dec r eased percentages of conjugate depth, length of hydraulic jump or unit width hydr a ulic jump volume with the increased dissipated energy facilities are calculated
並通過模型試驗驗證了消能的理論分析，計算了新增設施的消能量、躍后水深、水躍長度或單寬水躍容積減少的百分數。 -
However, because of the particularity that is hydraulic jump, before jumping, when water ' s froude number is less than four point five, the damping ratio is so low that energy dissipator ' s lower river produce serious flushing, so much so that it may threaten energy dissipation structure ' s safty
然而，因為水躍本身又具有其特殊性，在躍前水流佛汝德數（ froudenumber ）小於4 . 5時，消能率很低，致使消能工下游產生嚴重的沖刷，甚至危及消能建築物本身的安全。 -
The economic benefits of new additional energy dissipation facilities are estimated in terms of the decreased percentage of the sequent depth of hydraulic jump and length of jump, or the capacity of hydraulic jump under the unit width. the additional flow hydraulic jump theory has been demonstrated by model tests
文中用新增齒墩設施的躍后水深、水躍長度和單寬水躍容積減少的百分數，估計新增設施的經濟效益，並通過模型試驗驗證了附加射流水躍消能的理論分析。 -
The correction factor of the pressure of cross section before a hydraulic jump in stilling basins under nappe flow of stepped spillways
跌落水流時臺階式溢洪道消力池躍前斷面壓力修正系數 -
The company was founded in 1980. through over 20 years development, the series of “ tianhong ” brand sports equipments won good praise by the beautiful appearance, hige quality and low price in all the previous china sports goodsfairs. the sale offices were founded all over the country. the main products are : series of basketball stands and basketball board with electro - hydraulic, hand hydraulic or moving single arm ; volleyball pole, tennis pole, badminton pole, table tennis table, platform, track and field apparatus, weight lifting apparatus, weight lifting apparatus and special mats for high jump, judo and wresting etc
1997年江總書記提出了「全民健身、利國利民，功在當代、利在千秋」的口號，全發健身小區、健身廣場在全國陸續興建，公司依據運動解剖學、生物學的原理，開發一系列集健身、休閑、趣味於一體的健身路徑器材，適用於休閑廣場、生活小區、公園綠地、學校、體育場館等空地。 -
( 2 ) validate whether the crest elevation can meet the require of energy dissipation and erosion prevention during the beginning period of flood discharge. ( 3 ) calculate the altitude of downriver cofferdam, and make it meet the require of energy dissipation and erosion prevention. ( 4 ) calculate some average velocity of flow through some sections, including contracted section in stilling basins behind upriver cofferdam, if the hydraulic jump happen in lower reaches of the river. the program will calculate the average velocity of flow of contracted section and the length of the apron
主要設計內容包括：計算上游圍堰后消力池的尺寸；驗證泄洪初期壩面高程是否能夠滿足消能防沖需要；計算下游圍堰堰頂高程，使其滿足泄洪期圍堰和壩體過流的消能防沖和工程進度的需要；計算部分斷面平均流速，包括：上游圍堰后消力池中收縮斷面的斷面平均流速；壩首和壩末的斷面平均流速；當下遊河道發生水躍時，計算下遊河道的收縮斷面平均流速及需要鋪設護坦的長度。
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