空化計 的英文怎麼說
中文拼音 [kōnghuàjì]
空化計
英文
cavitation meter-
Now, simplified calculating methods of vertical frame and horizontal framed bent for plate structure are mostly used in this structure design. for the complex distribution of quality and rigidity of this structure, the calculating method of space turning coupled pair should be considered as a complemental checking calculation for this kind of irregular structure
該類結構設計目前大多採用縱向框架、橫向框排架的平面結構簡化計算方法，由於該類結構質量和剛度分佈復雜，對於此類不規則結構尚應採用考慮空間扭轉耦聯的計算方法進行補充驗算。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。Ultrasonic has being attracted much attention gradually in fuel atomization because of some specialities of cavitation and infection on liquid flow. in the course of atomization of pitchy oil, especially, does it show greatly its advantage, but its material atomizational mechanism need research ulteriorly. the primary content of this thesis is about adding cantilever reed to effervescent atomizer so as to combine ultrasonic and effervescent. this thesis has discussed ultrasonic some mechanism, ultrasonic dynamical procreator, effervescent and liquid mucosity infection on atomization, at the some time we make some experiments and discuss atomization rule following some machinery parameter and run parameter so as to find some rule about ultrasonic atomization and to rich the research of ultrasonic atomization mechanism. all that will be beneficial to the design about ultrasonic atomization atomizer
超聲波由於其空化機理及對液體的流變性影響等特性，在燃油霧化燃燒中逐步引起人們的重視，尤其在重渣油等高粘度液體的霧化過程中逐步顯示出其優越性，但其具體的霧化機理還需要做進一步的研究在氣泡霧化噴嘴基礎加入懸臂式簧片哨，將超聲波與氣泡霧化相結合是本文討論的主要內容本文從研究超聲波的一些機理入手，討論了超聲動力發生器氣泡霧化以及液體粘度對霧化質量的影響，並通過具體的實驗，根據實驗數據來討論霧化質量隨各種結構參數運行參數的變化規律，以便找到超聲霧化的一些規律，豐富對超聲霧化機理的研究，對超聲霧化噴嘴的設計具有一定的指導意義。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。Firstly it discusses the value, meaning, background and method of this topic. then it deducts the single - bubble sound pressure, spectrum of sound pressure, power spectrum. according to the real situation of traveling bubble cavitation noise around a schiebe body, the mathematical model of single - bubble collapse is selected, furthermore, the mathematical model of mass traveling bubbles without interference effect is established, and the multi - peaks and rebound phenomenon while bubbles collapse is also analyzed with statistical method
首先論證了本項研究的意義，價值，背景和方法，然後推出了單空泡輻射噪聲聲壓，聲壓譜和功率譜，針對回轉體流動泡空化噪聲的具體情況，選擇了雙指數模型作為單空泡潰滅的數學模型，進一步建立了無干涉條件下的群泡輻射噪聲的數學模型，並用統計的方法分析了空泡潰滅時的多峰值和反彈現象。Meanwhile, according to the reduced theoretic of the open - web truss, the strength simplification computational method are proposed, and in comparison of the theoretical calculating value with the tested one and the behavior analysis of the tested beams during the process, the hypothesis and the theory of the beam are verified and the stress distribution of the circular hole castellated beam is also obtained
通過費氏空腹桁架簡化計算理論值與實測值的對比分析以及對試驗梁在試驗過程中的性態分析，驗證了理論計算及各項假設的正確性，分析得出圓孔蜂窩梁圓孔周邊應力分佈特徵；並通過撓度分析，提出了實用的簡化計算式。As for a space - based cloud radar, the change of the radar reflectivity n and the change of attenuation rate along with the cloud liquid water content have been compared between 37 ghz and 94ghz. the transmittance t of single level cloud for different heights and liquid water content has also been calculated at 2 frequencies. by defining a = n tr, which combines both effects of radar reflectivity and transmittance, we have examined the values of a at 37ghz and 94ghz for high, middle and low cloud liquid water contents
對空間測雲雷達，討論了37ghz和94ghz這兩個頻率的雷達反射率和衰減系數隨雲液水含量的變化；計算了不同高度的單層雲在不同頻率，不同含水量情況下的雲層透過率_ ；定義a = _來綜合考慮雷達反射率和透過率對空間測雲雷達回波的影響，分析比較了雲含水量高、中、低時37ghz和94ghz的a值大小。A kind of measurement was developed to measure the air concentration of water and the result showed the possibility of entrained air existing near the wall of drop shaft. that is to say, the wall of drop shaft may be protected by entrained air from cavitation damage to some extent
本文設計了一種適用於近壁區水流摻氣濃度測量的方法，對空腔段水流摻氣濃度進行初步測量，發現井壁附近水流存在摻氣的可能，這對改善水流空化條件能起到積極作用。As a lot of 11m and 12m air - con buses were deployed in north west new territories to meet the demand, and more volvo baby super olympian in service, more dennis baby dragon were become spare in depot and when there need of air - con buses, baby dragon will be the first choice and as a result, they were very easily seen on routes serving the urban area including the long journey express route
因新界西北路線空調化計劃，大量市區十一米及十二米空調巴士被徵調到該帶服務，加上短超豪投入服務，令到大量丹尼士短龍成為后備車，故此空調巴士路線要使用后備車時，短龍便成為首選，令到多條九巴?區路線，甚至長途特快線出現它們蹤影。The operation measures for controlling over - filling ( over - emptying ) are feasible ; the hoisting loads of valve and miter gate are less than their design values respectively ; but, there exists cavitation phenomenon needed to pay attention to the first crossover culvert when the value is near and after whole opening
控制超灌（泄）操作方式可行；閥門、人字門啟閉力均小於設計值；閥門接近全開至全開后，輸水廊道第一分流口有空化現象。The 3d parallel super element and the methods of simplifying for calculation of the shear - wall supported by frame and core - tube are presented for practice
結合結構的實際應用，提出了空間並聯超單元的簡化計算思路，給出了框支剪力墻及核芯筒體的簡化處理方法。Design and calculation method of cavitating propeller
空化螺旋槳的設計計算方法In 1981, a few weeks before being elected, in response to reporters ' questions he once commented, " can we succeed in embodying our cultural plan in spatial form, engraving it concretely in matter
1981年，他在當選總統的幾個星期前，回答記者的訪問就曾說道：我們能夠成功地將我們的文化計畫烙印在空間里、鏤刻在物質材料上嗎？Afterwards, this simplified spatial program is worked out on the base of this article ' s theory, and analyzed some main parameter ' s influence. some regular conclusion is gotten. at last, a example was calculated using this article ' s program, and compared with the actual measurement result
然後，在本文所提出的筏板剛度和復合樁基支撐剛度建立方法基礎上，編制了簡化的空間計算程序，並且分析了一些主要計算參數對筏板沉降和樁土承擔荷載的影響，得出一些規律性結論。This software can be used in steady - state simulation, components matching, optimization and performance analysis of automobile air conditioning system
利用該軟體能對汽車空調系統進行穩態模擬、匹配和優化計算以及性能分析。Numerical computation of steady natural cavitating flow based on transport equation cavitaion model
基於傳輸方程空化模型的定常自然空化流場數值計算This paper compares the spatial calculation of piled wharf with simplified plane bent structures ' calculation through selected models, and analyzes the effect on the simplified transverse beam at different location of the crane, so as to obtain the distribution rule and empiric coefficient of crane load
摘要通過所選模型進行高樁碼頭結構空間計算與簡化的平面排架計算對比，分析門機不同位置時傳遞到所簡化橫梁的作用效應，從而得出門機荷載的傳遞分配規律及傳遞的經驗系數。Adopting the plane mesh plus parameters to form automatically a large three - dimension spatial calculation mesh and adopting spatial fault calculation mesh formed by spatial arbitrary, dissection technology can solve the finite element mesh dissection in the calculation of huge underground cavern group
採用平面網格加參數化平推方式自動形成大三維空間計算網格，同時採用空間任意切面技術形成空間平面斷層計算網格，解決了巨型地下洞室群計算的有限元網格剖分問題。The results showed that : ( 1 ) the application of the above optimization method is feasible in the process of vacuum residue hydrotreating. ( 2 ) shaft power is a small part in the operation fees of the hydrogen system and has little influence on the optimization results. ( 3 ) vent should be decreased to reduce energy consumption because of the high concentration of the cycle hydrogen after rebuilding of the unit
在pc - 133微機上進行了模擬和優化計算，結果表明： （ 1 ）以復合形法為核心的可行路徑序貫模塊法在重油加氫過程中的應用是可行的； （ 2 ）壓縮機軸功率在重油加氫的氫氣系統操作費用中所佔比例較小，對優化結果影響不大； （ 3 ）裝置經過技術改造后循環氫純度過高，可以減少放空以節省能耗； （ 4 ）建立的氫耗模型能夠可靠地計算現有裝置的循環氫濃度、溶解氫總量和裝置氫耗量。Considering the statistical changes in spatial units and temporal indicators, gis - based spatio - temporal database is selected to manage multiple - year statistical datasets
考慮到統計項目與統計單元的變化，建立時空統計數據庫能有效地管理和應用統計數據。分享友人