水沖擊壓力 的英文怎麼說
中文拼音 [shuǐchōngjīyālì]
水沖擊壓力
英文
water-hammer pressure-
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 pressure on dams and levee s is very strong
大壩和堤防需要承受巨大的洪水沖擊的壓力。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。Chapter two " impacts of china ' s accession to wto on retail industry " analyzes : the influence of accession to wto on domestic retail industry ; pressure from international business capital due to its advantages of capital strength, scale and advanced business pattern ; competition pressure from low profit criterion of supermarket business ; pressure from the management advantage of international business groups. chapter three " development strategy for retail industry after china ' s accession to wto " studies the development strategy for china ' s retail industry after accession to wto : formulating relevant laws and policies for foreign capital introduction as soon as possible ( asap ) ; working out plans for establishment of large - scale supermarket network asap ; developing multiple business patterns with mainstay business as the focus ; developing chain store business to bring about scale efficiency ; accelerating of modern enterprise institutional reform ; promoting scientific management level of retail enterprises ; setting up scientific and overall marketing concept, further strengthening sense of market orientation ; attaching greater importance on resources of talented persons and commodities ; making full use of information technologies, implementing e - commerce mode in retail enterprises ; actively exploring northwest china and developing new market
文章第二章「中國加入wto對零售業的沖擊」從中國零售業對外開放的歷史入手,簡要介紹了中國加入wto對國內零售業的影響,指出加入wto后,中國零售業可能面臨以下幾個方面的沖擊:國際商業資本在資金、規模和業態的先進性上所帶來的壓力;規模擴張壓力,即中國連鎖超市受到了投資規模擴張的資金壓力;超市行業低贏利水準的競爭壓力;國際商業集團在管理上的優勢對中國零售企業的壓力;新的管理理念、服務方式進入所帶來的沖擊;現代商業觀念的引進打破了中國商界固有的思維;國際經濟一體化程度的提高不斷促使中國零售業的絕對利潤和相對利潤下降;我國零售業網點的不足以及布局的不合理;零售業的信息革命所帶來的觀念沖擊。Ghg - electrical grade activated silica powder is produced by way of mingling on the basis of electrical grade silica powder. it has activt effect on surface & make silica powder mingled with resin, raise cohesive force between resin & silica powder, raise the water - resestance on the sunface and the compressive strength of pour object, reduce sediment, gradation & split, increase filler of silica powder, and replaced inpoted products on the producing line of imported dry type transfomer & high tension mutual induc tance equiment, it has been the best pouring insulate materual in electrical trade
電工級活性硅微粉是在電工級硅微粉的基礎上進行偶聯化處理而製成,具有表面活性作用,能使用硅微粉與樹脂發生交聯,提高樹脂與硅微粉的粘結力和界面增水性,提高澆注體抗沖擊強度,減少沉澱、分層、開裂現象,增加硅微粉的填充量,在引進的乾式變壓器、高壓互感器生產線上已成功地代替了進口產品,成為電工行業理想的環氧澆注絕緣材料。Peak pressure investigation of exploding wave influenced by interfaces in shallow - layer water
界面對淺層水中爆炸沖擊波峰值壓力影響的研究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Based on the experimental results for different wave height, wave period and the relative clearance of underside of the wharf deck, the properties of wave impact pressure on wharf deck are studied. the distribution of impact pressure along the underside of the deck model is analyzed. the influence of different incident wave parameters, structure dimension and relative clearance s / h1 / 3 on the impact pressure is discussed
通過對不同波浪參數、結構物尺度、結構物與靜水面的距離等情形的試驗結果的比較分析,研究隨機波浪對不同接岸型式碼頭面板的沖擊壓力特性,分析波浪沖擊壓力沿碼頭面板底面的分佈規律,討論入射波要素、結構物尺度、結構物相對凈空等要素對碼頭面板底面所受的沖擊壓力的影響規律,給出便於工程應用的計算波浪沖擊壓力的經驗公式。Meanwhile, deeply research has been done on the analytic root of current rush to interception air - mass with delivery system
本文同時還對輸水管道壓力水流沖擊截留氣團近似解析解進行了深入研究。Combining physical experiments and theoretical analysis, this literature has performed thorough research on gas properties of delivery pipeline system, pressure current rush to interception air - mass in pressure pipeline, water hammer with gas that happens with gas releasing and liquid column separating
本論文通過物理試驗與理論分析對輸水管道系統中的氣體特性、壓力水流沖擊截留氣團和包含氣體釋放和液柱分離現象的含氣水錘進行了深入研究。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。By comparing failure modes of shell caused by undex with and without outer hydrostatic pressure, their influences on loading effects are obtained
通過比較有和沒有外部壓力時,不同沖擊波下結構的破壞形式,得出外部水壓對耐壓結構受爆炸載荷時響應的影響。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。Breakdown stress is significantly enhanced when a hydrostatic pressure is applied to the water dielectrics. when the pressure of water changed from o. lmpa to 0. 7mpa, breakdown stress of water changed from 38mv / m to 70mv / m
在壓力的作用下,水介質的脈沖擊穿場強得到了較大的提高,當壓力變化由0 . 1mpa到0 . 7mpa時,水的擊穿場強由38mv m增加到70mv m 。The physical experiments and theoretical analysis indicate that rush pressure caused by current rush to interception air - mass in delivery pipeline system has much to do with the content of air - mass. the maximum rush pressure occurs not under the condition - much lower or much higher content of air - mass, but when the initiate volume of interception air - mass makes up 1 ~ 2 % of total pipeline volume, maximum current rush to interception air - mass pressure happens
試驗研究表明,輸水管道系統水流沖擊氣團(囊)造成的沖擊壓力與氣團(囊)的含量有密切關系,截留氣團含量太多或太少所產生的沖擊壓力都不是最大,當截留氣團在一個大氣壓下的初始體積占管道總體積在1 2左右,水流沖擊氣團壓力最大。This valve uses the principle of two - stage pressure reducing variation and, when to lower the switch valve, the shock from the water pressure to the valve casing shortens the start time of this valve under the highest medium pressure and makes it with the incomparable superiority of energy saving among the pulse - type electric - controlled valves
該閥採用二級減壓變化原理,降低開關閥時水壓對閥體等配件的沖擊,提高電磁閥的可靠性和工作壽命,縮短了閥在最高介質壓力下開啟時間,使其在脈沖式電控閥門中具有無可倫比的節能優勢。Fcd. 3 138d : 4ds outer - thread copper pipe union at both ends of the inlet and the outlet this valve uses the principle of two - stage pressure reducing variation and, when to lower the switch valve, the shock from the water pressure to the valve casing shortens the start time of this valve under the highest medium pressure and makes it with the incomparable superiority of energy saving among the pulse - type electric - controlled valves
該閥採用二級減壓變化原理,降低開關閥時水壓對閥體等配件的沖擊,提高電磁閥的可靠性和工作壽命,縮短了閥在最高介質壓力下開啟時間,使其在脈沖式電控閥門中具有無可倫比的節能優勢。分享友人