水動力沖擊 的英文怎麼說
中文拼音 [shuǐdònglìchōngjī]
水動力沖擊
英文
hydrodynamic impact-
3. the magnitudes of anchor chain tension caused by heave and pitch is small. so is the effect on dragging anchor. 4. the depth of water, which anchored ship requires, is to large extent affected by heave and pitch
水深對橫蕩和首搖運動影響較大,水深增加,橫蕩和首搖運動幅度增大,因此,對錨鏈沖擊力增大,即對走錨的影響較大。This method applies the extended strip theory to establish the nonlinear ship motion equations in regular head seas, obtains stable time course by resolving in time domain, and then pressure vectors will be available. the pressure includes static pressure, incident waves pressure, diffraction pressure, radiation pressure, and wave impact pressure, and changed with instantaneous draft of each intersection
該方法應用擴展的切片理論建立迎浪規則波中船舶非線性運動方程,通過時域步進求解獲得船舶剛體運動的穩定時歷,進而給出與船體各橫剖面瞬時吃水相對應的靜水壓力變化、入射波壓力、繞射壓力、輻射壓力和波浪沖擊壓力諸分量。The characteristics of high pressure gyratory sprayed pumping discusses is presented, which is applicable in wide range of scope and ground layers, convenient for construction, long durability, wide source of materials. mechanism for subgrade strengthening : complex foundation of cement solid and earth between piles was formed by pulsant load of flowing pressure and spraying flow, water wallop, cavitation phenomenon, water wedge effect, extrusion force and air flow agitation etc so as to enhance foundation bearing force and reduce settlement and deformation
高壓旋噴注漿技術具有適用范圍、適用地層較廣,施工方便,耐久性好,材料廣闊等特點;其加固地基機理主要是通過流動壓、噴射流的脈動負荷、水塊的沖擊力、空穴現象、水楔效應、擠壓力、氣流攪動等效應形成水泥固結體與樁間土的復合地基,從而提高地基承載力,減少沉降變形。The main contents are as follows : in order to finish this work well, the author collected the basic parameters of water cushion in china and foreign countries, and analyzed the questions and shortcoming in the designing of cushion in domestic and abroad, and summarized the design experiment of xiao wan hydraulic power station and ertan hydraulic power station in china, finally the main controlling design parameters of baishan water cushion, that is the allow dynamic impact water pressure and unit water consumed energy rate were asserted
具體內容如下:為了做好白山水墊塘設計,本文通過收集國內外水墊塘設計的基本參數,分析水墊塘設計存在的問題及不足,總結國內小灣、二灘工程的經驗,確定白山水墊塘設計主要控制參數即允許動水沖擊壓力及水墊塘單位水體消能率。The horizontal and vertical momentum loss caused by the shock of heavy rain in low - level wind shear of thunderstorms on the airframe and wing are analyzed, the water film thickness on the airframe and wings estimated, and the flight resistance resulted from raindrops - striking caused by the roughness of airplane when the heavy rain shocks the airplane is discussed
摘要分析了雷暴低空風切變中大雨滴沖擊飛機的機身和機翼而引起的水平和垂直動量損失,估算了大雨累計在機身和機翼上的水膜厚度,並討論了因遇到大雨雨滴沖撞而粗糙化的機體所產生的阻力。It is means that gahc would be harmless to the stability of other generators, when it is used to reduce the ste of local generator. the simulating tests of gahc used on steam turbine and hydro turbine had been done in single machine system and multi - machine system. the results of simulating tests show that the generator stability could be improved by gahc, it is harmless to the stability of other generators in multi - machine system
在單機系統和三機無窮大系統中對汽輪發電機和水輪發電機的gahc控制進行了模擬實驗,模擬實驗結果驗證了: gahc提高了汽輪發電機和水輪發電機抵抗三相短路故障擾動沖擊的能力; gahc在多機系統中對其它發電機的穩定性不會產生危害作用;水輪機的gahc克服了水錘效應對穩定性的危害作用。The jellyfish floating face a big crisis, zhang your mouth and forward it to operate guide : space, the key to control movement, a missile launch capability, s eat too much plankton d. ordinary small attack
浮遊的水母遇到了大危機, ,張大你的口向前沖吧操作指南:空格開始,方向鍵控制移動, a發射能力彈, s張大口吃掉小浮游生物d普通攻擊Introduction : the jellyfish floating face a big crisis, zhang your mouth and forward it to operate guide : space, the key to control movement, a missile launch capability, s eat too much plankton d. ordinary small attack
攻略:浮遊的水母遇到了大危機, ,張大你的口向前沖吧操作指南:空格開始,方向鍵控制移動, a發射能力彈, s張大口吃掉小浮游生物d普通攻擊Dynamic response of stiffened composite submersible hull subjected to underwater explosive shock
水下爆炸沖擊載荷作用下加筋復合材料浸潛殼體結構的動力響應Abstract : based on laboratory test results, a model for predicting the residual deformation of soft clay under impact loading is proposed in this paper, which fits well with other test results. this model, considering several factors which affect the residual deformation such as confining pressure, impact energy and the number of impacting, can be used for the deformation prediction in the treatment of saturated soft clay by the drainage consolidation method of combining static and dynamic loading
文摘:在試驗基礎上建議了一個預測沖擊荷載作用下飽和軟粘土殘余變形的計算模式,該模式考慮了周圍壓力、沖擊能大小、沖擊次數和沖擊遍數等幾個因素.對計算模式的驗證表明,預測值與實測值吻合較好.該模型可用於動靜結合排水固結法處理軟基時的變形計算By employing cole ' s classical theory of bubble dynamics, the motion of bubble produced by the underwater explosion and the corresponding bubble pulsating pressure are calculated. a profile function of the shock wave and its parameters are determined according to the principle of wave profile similitude and the equality of impulses. finally an analytic formula is derived to simulate the whole time history of the pressure from the front shock wave to the bubble pulsation, representing the fluid loadings of the underwater explosion
木文首先應用庫爾的經典水下爆炸氣泡運動理論計算出氣泡的運動和脈動的壓力波形,再依據波形相似的原則尋找波形模擬函數,用沖量相等的原則確定波形參數,得出了從沖擊波到氣泡脈動壓力整個過程對水下爆炸載荷進行模擬的解析公式。According to the selected project, a stability test with scale of 1 : 35 of cushion bottom had been done. with the research results of the experiments and the flow shape of xiao wan hydraulic power station were thought about, on the other hand, the ternary complex jet shape of baishan water cushion was analyzed, all this gave a base for the analysis of the force of the cushion bottom. through observation, the dynamic water pressure, the fluctuation pressure, the time - homogeneous pressure on the surface of the bottom and the characteristics of the fluctuation pressure could be got, also the calculation method and the test results were compared to get the argument
針對選定的方案,進一步做了1 : 35比尺的水墊塘底板穩定性試驗;通過試驗及借鑒小灣水墊塘內水流流態的研究成果,分析白山水墊塘內三元復雜淹沒射流流態,為水墊塘內底板受力分析打下基礎;通過觀測得到水墊塘底板動水沖擊壓力、脈動壓力、底板上下表面的時均壓力及脈動壓力特性,並通過計算方法與試驗成果進行相互比較論證。The paper is on how to set up lab platform of vapour spewing to uppercooling water surface to coagulate directly and to observe and analyse which vapour coagulate on the water surface, the results enable people to know the security system of nuclear power. the range of the pressure parameters of prz is from 0. 2mpa to 0. 6mpa, and the range of the initial temperature parameters of cmt is from 23. 5 to 78. 5, all of the testing points are 30 and there are fifty thousand testing data. many results of vapour spewing to uppercooling water surface vertically to coagulate can get. for example : coagulating can make the water of cmt surge forcefully when vapour spews to uppercooling water surface, too many vapour - bubbles come into being and strike the water of cmt owing to rupture continually, all these will strengthen the surge because of the vapour pressure of cmt
實驗中prz飽和蒸汽壓力變化范圍為: 0 . 2mpa - 0 . 6mpa , cmt中水初始溫度變化范圍: 23 . 5 - 78 . 5 ,實驗中測試工況30個左右,實驗測試數據50萬余個,得出了很多與非能動安全系統相關的蒸汽垂直噴向過冷水表面凝結時的結論:蒸汽垂直噴入過冷水表面凝結時會造成cmt中液面的強烈波動和振蕩,產生大量蒸汽汽泡,汽泡不斷破裂對cmt中液體帶來很大沖擊,勢必引起cmt中液體的振蕩,造成cmt汽空間汽壓不均勻,加強cmt液體的振蕩和波動。The ipcc has defined climate - forcing scenarios, used these for simulations of 21st - century climate, and estimated the impact of temperature and precipitation changes on agriculture, natural ecosystems, wildlife and other matters
Ipcc定義了氣候營力假想情況,用以模擬21世紀的氣候,並估計溫度與降水的改變對農業、自然生態系、野生動植物與其他事物的沖擊。Abstract : for high arch dams in valleys with the characteristics of high water head, large discharge and large power, the problems of energy dissipation and scour prevention are serious. based on scientific studies, new comprehensive measures are proposed, including dispersion of discharge to waken wallop of the current, and reinforcement of riverbed to enhance the erosion - resistance. the measures can be used to solve the problem of energy dissipation properly. a typical layout scheme has been proposed in which slotted bucket with diversion teeth, double deck with pores, and cushion pool are considered practice has proved that the scheme is reliable and the effect of energy dissipation is obvious
文摘:高拱壩泄洪消能的特點是壩高落差大,流量大,功率大,位於河谷狹窄地區,泄洪消能與防沖問題突出.經科學研究,採用「分散泄洪,削弱水流沖擊力,加固河床,增強河道抗沖能力」的綜合治理措施,較好地解決泄洪消能布置問題.提出了表孔大差動坎加分流齒、雙層多孔、水流撞擊、下設水墊塘聯合消能的典型布置方案,經實踐證明,方案可靠,消能效果好By means of some simulation examples, the dynamic process of pressure load and acceleration impact load which occur in the process of missile launching is deeply studied. the dangerous position where the maximum load occurs and the time when it occurs are given. these results can provide technological reference to structure design, water tight design and launching security evaluation
並通過部分算例,詳細研究了導彈在發射出管過程中所受的壓力載荷和加速度沖擊載荷的動態變化過程,給出的導彈所受最大載荷的危險部位及產生時間,可以為導彈的結構設計、水密性能設計和發射安全性評估提供技術參考。In practical engineering, reasonable solution of some important and key problems in common, such as the stability of the side slope in the explosion of water conservation construction ; using explosion to improve the productivity in oil production etc., require the thoroughly research on the dynamic mechanics of fluid - saturated porous media under impacting loading from the theories, numerical simulations and experiments
在實際的工程應用中,重大水利工程爆破施工時巖土邊坡的穩定性問題;採用爆破技術在油層中製造沖擊波以提高出油率時油層中的響應,以確定爆炸工藝對提高石油生產率的有效性等關鍵性技術問題的解決都要求對含有液體的多孔介質在動載荷作用下的力學行為進行深入的理論、數值和實驗研究。It also reduces impact, meaning no jarring or pounding on joints and bones
水也能減緩沖擊力,意即不會對筋骨造成強大撞擊或劇烈震動。Massaging the body, legs and feet with the vibration and impact of the water in order to achieve the effect of a relaxed body and refreshed energy
利用水噴震動、沖擊按摩身體、腿、足部,達到放鬆身體、恢復體力的效果。分享友人