水汽現象 的英文怎麼說
中文拼音 [shuǐqìxiànxiàng]
水汽現象
英文
hydrometeor-
As a result of brilliant bright glair not dissolve at water, because this finishs after brilliant bright glair, the phenomenon that need not worry to be solved by shui rong happens, can protect car lacquer area for a long time
由於晶亮釉不溶於水,因此做完晶亮釉后,不用擔心被水溶解的現象發生,可以長期保護汽車漆面。The contamination phenomenon of condensate water resulting from condenser leakage in operation of condensating steam turbine with open cycle cooling system by sea - water has been presented, the causes leading to condenser leakage being analysed, and leakage searching method as well as leakage preventing method under operation condition being given
摘要介紹海水開式循環冷卻的凝汽式汽輪機在運行中因凝汽器泄漏導致的凝結水污染現象,分析凝汽器發生泄漏原因,並給出運行狀態下凝汽器的查漏方法及其防泄漏措施。The article takes a 600mw natural cycle drum boiler ( soot blow using steam ) as investigating object, establishes soot accumulation loss and soot blowing energy loss models for its water cooling wall, superheater, economizer and air preheater respectively, set up instructions for soot blower operating. simulating calculation results are compared with site data to verify usefulness of key models. the article introduced the operation optimizing design of soot blowers of yanzhou no2 power plant based on theoretical research
本文以600mw汽包自然循環鍋爐(蒸汽吹灰)為具體分析對象,分別建立其水冷壁、過熱器、省煤器、空預器的積灰損失和各受熱面吹灰能量損失的模型,建立相應的吹灰器運行規則指導,對設計中的關鍵模型問題,通過模擬計算及與現場數據作比較的方法,驗證其可用程度。High water saturated vapour pressure leads to the more possible occurrence of cavitation phenomena in water hydraulic pump, and so as in sliding shoes hydraulic supporting without exception
水的高飽和蒸汽壓力使得水壓泵中極易發生氣蝕現象,滑靴靜壓支承也不例外。The values of some physical constants were determined from the cfd simulation. the condensation of moisture due to sun radiation was analyzed
另外,還討論了太陽輻射造成的水汽凝結現象,指出它與初始水汽濃度密切相關。In the paper, i construct a software platform for the turbine and feedwater pump. the platform is an object - oriented system that can be extended by the other models. i have programmed the classes of the performance of the turbine and feedwater pump. besides, the software platform has the functions of giving alarms, the storage of data, the analysis of accident, configuration of chart, administrator operation, report, the query of history data. the paper has explained the methods of constructing the platform at the same time i set forth in details the connections of mis with dcs and distributing the performance data
本文針對電廠開發了汽輪機與給水泵組性能分析與評價平臺,本系統平臺用面向對象方法編制,並與多位同學合作編寫了汽輪機與給水泵組與性能有關的多個模塊同時可以另外插入模塊擴充功能,此系統平臺還具有數據存儲、歷史數據查詢、報警處理、事故分析、曲線組態、管理員操作、數據報表等多種功能,此外,本文詳細闡述了平臺的構建過程並且詳細論述了dcs與系統的連接方法, activeform電廠設備性能數據網路發布的方法以及現今電廠流行的pi實時數據庫的深入開發與利用,並分別編寫了相應的程序。In the present experimental work i tried to learn some about the absorption phenomenon by allowing superheated ammonia vapor, which is existed in a cylinder, to flow into a test cell to be absorbed into ammonia liquid mixture with certain initial ammonia mass fraction
在本實驗研究中,首先在氨蒸汽罐中制備好過熱氨蒸汽,然後將過熱氨蒸汽注入到實驗件主體,在其中氨蒸汽被一定初始質量濃度的氨水混合液吸收。對該吸收現象現象進行了研究。There are many plants that have the character of time - varying, large delay, large inertia in the process of production of modern power station such as the superheated steam temperature, the reheated steam temperature, the water treatment of boiler and the load regulation. some of them have the strong character of nonlinear and some of them are multivariable coupling systems it is very difficult to obtain good effect of control by conventional pid control. it is necessary to set up the mathematics models of controlled plants if applying control means of modern control theory such as self - adaptive control, optimal control , decoupling control and predictive control. and these control systems have large calculation and bad character of real time in general. these disadvantages make them be not able to meet the need of real production process and limit the application of them in modern power station. now the generator units are developing towards large capacity and high parameters. many new kinds of generating electricity means are coming into being. the characers of production units of power station become more and more complex but the demand to quality of control becomes more and more strict. the new control means are in bad need to control them effectively
現代電站的生產過程中存在過熱汽溫、再熱汽溫、鍋爐水處理、負荷調節等許多大遲延、大滯后、特性時變的對象,它們中有些還是具有強非線性特性的對象或多變量耦合系統,採用常規的pid控制手段很難取得良好的控制效果。若應用現代控制理論中的自適應控制、最優控制、解耦控制、預測控制等控制手段,則需要建立被控對象的數學模型,而且往往控制系統的計算量大、實時性差。這些缺點使其很難滿足實際生產過程的需要從而極大地限制了其在現代電站中的應用。It make the nuclear power stations safe by bringing forword the unselfconscious security system, but the system must be accord with the condensation characteristics of vapour spewing to uppercooling water surface vertically. it is why we conduct the experiment and research based on the requirement and the commission of company
論文主要涉及蒸汽垂直噴向過冷水表面時的凝結特性研究實驗臺的設計和搭建,蒸汽在水表面直接凝結的現象和特性觀測和分析,以便人們能夠根據蒸汽垂直噴向過冷水表面凝結的相關特性來進一步了解非能動安全系統The phenomenon of condensation of low - pressure vapor in a horizontal tube is studied
結合蒸發式冷凝器的設計,對水平管內低壓蒸汽冷凝現象進行了實驗研究。Secondly, it has been noticed that there is a great affinity between ammonia vapor and water liquid to form ammonia aqueous. the complexity of this absorption phenomenon is that heat transfer and mass transfer occur at the same time during the chemical reaction
由於在氨水混合液吸收氨蒸汽的過程中傳熱傳質現象同時存在,實驗現象相對復雜,因此在實驗研究中使用了激光設備( mach - zehndertwo - beamlute , fe , o 。There will be a hot water layer in the water of cmt when vapour spews to uppercooling water surface vertically and coagulates directly. the higher of the vapour pressure of prz and the initial water temperature of cmt are, the deeper the hot water layer is. and obtaining the experience formula of the hot water layer is as follows : the condensation coefficient is high when vapour coagulate at first, then it will lessen with the process of coagulation, the higher of the vapour pressure of prz and the initial water temperature of cmt are, the higher of condensation coefficient is
蒸汽垂直噴入過冷水表面凝結時, cmt中水有明顯熱分層現象, prz中飽和蒸汽壓力越高, cmt中水初始溫度越高,熱分層厚度越大,熱分層厚度的經驗關聯式為:凝結剛開始時,凝結換熱系數非常大, ,隨著凝結的進行,凝結換熱系數越來越小, prz中飽和蒸汽壓力越高, cmt中水初始溫度越高,凝結換熱系數越大。Special and easily controllable wettability of solid has attracted much interest because it will bring great convenience on our daily life as well as in many industrial and agricultural processes, for example, super - hydrophobic surfaces ( water contact angle ( ca ) larger than 150o ) have or will play a important role in prevention of adhesion of snow to antennas and windows, self - cleaning traffic indicators, cell motility
無論是在工農業生產還是人們的日常生活中,潤濕都是一種非常重要的現象,具有特殊潤濕性和可控潤濕性材料一直是人們關注的熱點,比如超疏水材料(接觸角大於150o )在窗戶和天線的防雪防霜,汽車擋風玻璃的自清潔,以及生物細胞的活動等領域已經或者即將發揮極大的作用。Test investigation on sgtr of single tube break and three - tube break is carried out on hpitf of ciae to deeply understand the thermal - hydraulic behavior during pressurized - water - reactor ( pwr ) sgtr and to provide an integral data base for code assessment and development. the facility, a full height and 1 / 1000 - scale ( by volume ) of qinshan nuclear power plant, incorporates two identical loops with active pumps and steam generators ( sg ). the initial steady state of the test basically simulated that of the reference plant operation
為了深入了解核電廠蒸汽發生器傳熱管破裂事故發生后的熱工水力現象,以及對壓水堆( pwr )核電廠系統分析程序進行分析和評價,在高壓綜合試驗裝置上開展了蒸汽發生器傳熱管破裂試驗研究高壓綜合試驗裝置以秦山核電廠主迴路系統為模擬對象,該裝置為雙環迴路系統,容積比為1 : 1000 ,高度比為1 : 1 。Pressures, water level, surface and axial temperatures and total clotted liquid were obtained and analyzed. by experimental phenomenon, the condensation process was divided into two phases : steam supply limit and condensation limit. the interfacial heat transfer coefficient in steam supply limit phase was calculated
通過實驗,觀察飽和蒸汽在cmt內的冷凝現象,獲取cmt內壓力、水位變化、表面、軸向溫度分佈和累積冷凝量等重要實驗數據,對實驗所得的數據進行分析。The break was assumed to be a single tube double - ended and three - tube double - ended shear break. the diameter of the break orifice is 0. 876mm and 1. 518mm respectively. the characteristic responses of main thermal - hydraulic parameters, such as primary pressure, secondary pressure, break flow rate, pressurizer level, secondary side level of steam generator and so on, were presented in this thesis
試驗再現了核電廠蒸汽發生器單根傳熱管雙端斷裂事故和三根傳熱管雙端斷裂事故發生后的熱工水力現象,給出了事故過程中一次系統壓力、二次系統壓力、破口流量、蒸汽發生器二次側水位、穩壓器水位、元件表面溫度等主要參數的瞬態響應。Research on retrieval of gps water vapor and method of rainfall forecast are keen field which draws all attention from wide world. the dissertation is accomplished on the basis of sino - italy collaborative project - ' the integral system of flood risk programming, monitoring and real time forecasting " and the primary achievements and conclusion reached include : ( 1 ) a reasonable design has been made for gps water vapor monitoring network according to the theory of gps satellite signal propagation and vertical distribution of water vapor and local synoptic characteristic of binjiang basin, the effective area where water vapor can be detected by gps station has been determined under different cut - off angles. the conclusion has been reached that 3 ~ 4 gps receivers are enough for water vapor monitoring in binjiang basin
Gps水汽反演和降雨預報研究是當前氣象遙感應用的一個前沿探索領域,本論文依託于中意科技合作項目「洪水風險規劃、監測和實時預報的集成系統」 ,主要成果體現在以下方面: ( 1 )提出了一個合理的gps水汽監測網設計方案根據gps衛星信號傳播原理和水汽垂直分佈規律以及流域天氣的地方性特徵,確定了不同高度截角下一個gps站所能測定大氣水汽含量的有效范圍,得出了濱江流域只需要3 4個gps接收機就足以反映流域水汽變化的結論。分享友人